diff --git a/homeassistant/components/deconz/config_flow.py b/homeassistant/components/deconz/config_flow.py
index d1ea3826e2f..2029903bedf 100644
--- a/homeassistant/components/deconz/config_flow.py
+++ b/homeassistant/components/deconz/config_flow.py
@@ -199,7 +199,7 @@ class DeconzFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         parsed_url = urlparse(discovery_info[ssdp.ATTR_SSDP_LOCATION])
 
         entry = await self.async_set_unique_id(self.bridge_id)
-        if entry and entry.source == "hassio":
+        if entry and entry.source == config_entries.SOURCE_HASSIO:
             return self.async_abort(reason="already_configured")
 
         self._abort_if_unique_id_configured(
diff --git a/homeassistant/components/hassio/discovery.py b/homeassistant/components/hassio/discovery.py
index c682e34c301..e7f8df3b61d 100644
--- a/homeassistant/components/hassio/discovery.py
+++ b/homeassistant/components/hassio/discovery.py
@@ -5,6 +5,7 @@ import logging
 from aiohttp import web
 from aiohttp.web_exceptions import HTTPServiceUnavailable
 
+from homeassistant import config_entries
 from homeassistant.components.http import HomeAssistantView
 from homeassistant.const import ATTR_NAME, ATTR_SERVICE, EVENT_HOMEASSISTANT_START
 from homeassistant.core import callback
@@ -87,7 +88,7 @@ class HassIODiscovery(HomeAssistantView):
 
         # Use config flow
         await self.hass.config_entries.flow.async_init(
-            service, context={"source": "hassio"}, data=config_data
+            service, context={"source": config_entries.SOURCE_HASSIO}, data=config_data
         )
 
     async def async_process_del(self, data):
@@ -106,6 +107,6 @@ class HassIODiscovery(HomeAssistantView):
 
         # Use config flow
         for entry in self.hass.config_entries.async_entries(service):
-            if entry.source != "hassio":
+            if entry.source != config_entries.SOURCE_HASSIO:
                 continue
             await self.hass.config_entries.async_remove(entry)
diff --git a/homeassistant/components/heos/__init__.py b/homeassistant/components/heos/__init__.py
index fb51c1d158c..652aa844832 100644
--- a/homeassistant/components/heos/__init__.py
+++ b/homeassistant/components/heos/__init__.py
@@ -9,7 +9,7 @@ from pyheos import Heos, HeosError, const as heos_const
 import voluptuous as vol
 
 from homeassistant.components.media_player.const import DOMAIN as MEDIA_PLAYER_DOMAIN
-from homeassistant.config_entries import ConfigEntry
+from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
 from homeassistant.const import CONF_HOST, EVENT_HOMEASSISTANT_STOP
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady
@@ -47,7 +47,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType):
         # Create new entry based on config
         hass.async_create_task(
             hass.config_entries.flow.async_init(
-                DOMAIN, context={"source": "import"}, data={CONF_HOST: host}
+                DOMAIN, context={"source": SOURCE_IMPORT}, data={CONF_HOST: host}
             )
         )
     else:
diff --git a/homeassistant/components/samsungtv/__init__.py b/homeassistant/components/samsungtv/__init__.py
index 8c17ff4794c..64646533b2d 100644
--- a/homeassistant/components/samsungtv/__init__.py
+++ b/homeassistant/components/samsungtv/__init__.py
@@ -3,6 +3,7 @@ import socket
 
 import voluptuous as vol
 
+from homeassistant import config_entries
 from homeassistant.components.media_player.const import DOMAIN as MP_DOMAIN
 from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PORT
 import homeassistant.helpers.config_validation as cv
@@ -53,7 +54,9 @@ async def async_setup(hass, config):
             }
             hass.async_create_task(
                 hass.config_entries.flow.async_init(
-                    DOMAIN, context={"source": "import"}, data=entry_config
+                    DOMAIN,
+                    context={"source": config_entries.SOURCE_IMPORT},
+                    data=entry_config,
                 )
             )
 
diff --git a/homeassistant/components/smartthings/__init__.py b/homeassistant/components/smartthings/__init__.py
index 456857efc9b..d9a96301e66 100644
--- a/homeassistant/components/smartthings/__init__.py
+++ b/homeassistant/components/smartthings/__init__.py
@@ -10,7 +10,7 @@ from aiohttp.client_exceptions import ClientConnectionError, ClientResponseError
 from pysmartapp.event import EVENT_TYPE_DEVICE
 from pysmartthings import Attribute, Capability, SmartThings
 
-from homeassistant.config_entries import ConfigEntry
+from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
 from homeassistant.const import (
     CONF_ACCESS_TOKEN,
     CONF_CLIENT_ID,
@@ -75,7 +75,9 @@ async def async_migrate_entry(hass: HomeAssistant, entry: ConfigEntry):
     flows = hass.config_entries.flow.async_progress()
     if not [flow for flow in flows if flow["handler"] == DOMAIN]:
         hass.async_create_task(
-            hass.config_entries.flow.async_init(DOMAIN, context={"source": "import"})
+            hass.config_entries.flow.async_init(
+                DOMAIN, context={"source": SOURCE_IMPORT}
+            )
         )
 
     # Return False because it could not be migrated.
@@ -182,7 +184,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
         if not [flow for flow in flows if flow["handler"] == DOMAIN]:
             hass.async_create_task(
                 hass.config_entries.flow.async_init(
-                    DOMAIN, context={"source": "import"}
+                    DOMAIN, context={"source": SOURCE_IMPORT}
                 )
             )
         return False
diff --git a/homeassistant/components/zeroconf/__init__.py b/homeassistant/components/zeroconf/__init__.py
index 7d4205279ed..58d8ad21094 100644
--- a/homeassistant/components/zeroconf/__init__.py
+++ b/homeassistant/components/zeroconf/__init__.py
@@ -23,7 +23,7 @@ from zeroconf import (
     Zeroconf,
 )
 
-from homeassistant import util
+from homeassistant import config_entries, util
 from homeassistant.const import (
     EVENT_HOMEASSISTANT_START,
     EVENT_HOMEASSISTANT_STARTED,
@@ -401,7 +401,9 @@ def handle_homekit(
 
         hass.add_job(
             hass.config_entries.flow.async_init(
-                homekit_models[test_model], context={"source": "homekit"}, data=info
+                homekit_models[test_model],
+                context={"source": config_entries.SOURCE_HOMEKIT},
+                data=info,
             )  # type: ignore
         )
         return True
diff --git a/tests/components/abode/test_config_flow.py b/tests/components/abode/test_config_flow.py
index 026735ed536..806038194bb 100644
--- a/tests/components/abode/test_config_flow.py
+++ b/tests/components/abode/test_config_flow.py
@@ -7,7 +7,7 @@ from abodepy.helpers.errors import MFA_CODE_REQUIRED
 from homeassistant import data_entry_flow
 from homeassistant.components.abode import config_flow
 from homeassistant.components.abode.const import DOMAIN
-from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_USER
+from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_REAUTH, SOURCE_USER
 from homeassistant.const import (
     CONF_PASSWORD,
     CONF_USERNAME,
@@ -190,7 +190,7 @@ async def test_step_reauth(hass):
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth"},
+            context={"source": SOURCE_REAUTH},
             data=conf,
         )
 
diff --git a/tests/components/adguard/test_config_flow.py b/tests/components/adguard/test_config_flow.py
index 17fcbda666d..872f9e5807e 100644
--- a/tests/components/adguard/test_config_flow.py
+++ b/tests/components/adguard/test_config_flow.py
@@ -96,7 +96,7 @@ async def test_integration_already_exists(hass: HomeAssistant) -> None:
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
         data={"host": "mock-adguard", "port": "3000"},
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_configured"
@@ -111,7 +111,7 @@ async def test_hassio_already_configured(hass: HomeAssistant) -> None:
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
         data={"addon": "AdGuard Home Addon", "host": "mock-adguard", "port": "3000"},
-        context={"source": "hassio"},
+        context={"source": config_entries.SOURCE_HASSIO},
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_configured"
@@ -126,7 +126,7 @@ async def test_hassio_ignored(hass: HomeAssistant) -> None:
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
         data={"addon": "AdGuard Home Addon", "host": "mock-adguard", "port": "3000"},
-        context={"source": "hassio"},
+        context={"source": config_entries.SOURCE_HASSIO},
     )
 
     assert "type" in result
@@ -148,7 +148,7 @@ async def test_hassio_confirm(
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
         data={"addon": "AdGuard Home Addon", "host": "mock-adguard", "port": 3000},
-        context={"source": "hassio"},
+        context={"source": config_entries.SOURCE_HASSIO},
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "hassio_confirm"
@@ -176,7 +176,7 @@ async def test_hassio_connection_error(
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
         data={"addon": "AdGuard Home Addon", "host": "mock-adguard", "port": 3000},
-        context={"source": "hassio"},
+        context={"source": config_entries.SOURCE_HASSIO},
     )
 
     result = await hass.config_entries.flow.async_configure(result["flow_id"], {})
diff --git a/tests/components/airvisual/test_config_flow.py b/tests/components/airvisual/test_config_flow.py
index 248abaf6b5f..d7c5a08b62a 100644
--- a/tests/components/airvisual/test_config_flow.py
+++ b/tests/components/airvisual/test_config_flow.py
@@ -19,7 +19,7 @@ from homeassistant.components.airvisual.const import (
     INTEGRATION_TYPE_GEOGRAPHY_NAME,
     INTEGRATION_TYPE_NODE_PRO,
 )
-from homeassistant.config_entries import SOURCE_USER
+from homeassistant.config_entries import SOURCE_REAUTH, SOURCE_USER
 from homeassistant.const import (
     CONF_API_KEY,
     CONF_IP_ADDRESS,
@@ -349,7 +349,7 @@ async def test_step_reauth(hass):
     ).add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=entry_data
+        DOMAIN, context={"source": SOURCE_REAUTH}, data=entry_data
     )
     assert result["step_id"] == "reauth_confirm"
 
diff --git a/tests/components/almond/test_config_flow.py b/tests/components/almond/test_config_flow.py
index 8f6b68e47ee..892abaa9650 100644
--- a/tests/components/almond/test_config_flow.py
+++ b/tests/components/almond/test_config_flow.py
@@ -49,7 +49,7 @@ async def test_hassio(hass):
     """Test that Hass.io can discover this integration."""
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "hassio"},
+        context={"source": config_entries.SOURCE_HASSIO},
         data={"addon": "Almond add-on", "host": "almond-addon", "port": "1234"},
     )
 
diff --git a/tests/components/apple_tv/test_config_flow.py b/tests/components/apple_tv/test_config_flow.py
index c55bef8edfd..615a1f404f5 100644
--- a/tests/components/apple_tv/test_config_flow.py
+++ b/tests/components/apple_tv/test_config_flow.py
@@ -519,7 +519,7 @@ async def test_reconfigure_update_credentials(hass, mrp_device, pairing):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "reauth"},
+        context={"source": config_entries.SOURCE_REAUTH},
         data={"identifier": "mrpid", "name": "apple tv"},
     )
 
@@ -552,11 +552,11 @@ async def test_reconfigure_ongoing_aborts(hass, mrp_device):
     }
 
     await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=data
+        DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=data
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=data
+        DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=data
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_in_progress"
diff --git a/tests/components/august/test_config_flow.py b/tests/components/august/test_config_flow.py
index c87291e0f79..53dac38fb1e 100644
--- a/tests/components/august/test_config_flow.py
+++ b/tests/components/august/test_config_flow.py
@@ -238,7 +238,7 @@ async def test_form_reauth(hass):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=entry.data
+        DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=entry.data
     )
     assert result["type"] == "form"
     assert result["errors"] == {}
@@ -284,7 +284,7 @@ async def test_form_reauth_with_2fa(hass):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=entry.data
+        DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=entry.data
     )
     assert result["type"] == "form"
     assert result["errors"] == {}
diff --git a/tests/components/awair/test_config_flow.py b/tests/components/awair/test_config_flow.py
index 92d92dd5a63..84b92229161 100644
--- a/tests/components/awair/test_config_flow.py
+++ b/tests/components/awair/test_config_flow.py
@@ -6,7 +6,7 @@ from python_awair.exceptions import AuthError, AwairError
 
 from homeassistant import data_entry_flow
 from homeassistant.components.awair.const import DOMAIN
-from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_USER
+from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_REAUTH, SOURCE_USER
 from homeassistant.const import CONF_ACCESS_TOKEN
 
 from .const import CONFIG, DEVICES_FIXTURE, NO_DEVICES_FIXTURE, UNIQUE_ID, USER_FIXTURE
@@ -156,7 +156,7 @@ async def test_reauth(hass):
 
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "unique_id": UNIQUE_ID},
+            context={"source": SOURCE_REAUTH, "unique_id": UNIQUE_ID},
             data=CONFIG,
         )
 
@@ -166,7 +166,7 @@ async def test_reauth(hass):
     with patch("python_awair.AwairClient.query", side_effect=AuthError()):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "unique_id": UNIQUE_ID},
+            context={"source": SOURCE_REAUTH, "unique_id": UNIQUE_ID},
             data=CONFIG,
         )
 
@@ -175,7 +175,7 @@ async def test_reauth(hass):
     with patch("python_awair.AwairClient.query", side_effect=AwairError()):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "unique_id": UNIQUE_ID},
+            context={"source": SOURCE_REAUTH, "unique_id": UNIQUE_ID},
             data=CONFIG,
         )
 
diff --git a/tests/components/azure_devops/test_config_flow.py b/tests/components/azure_devops/test_config_flow.py
index 744d04042e0..7817f6fc570 100644
--- a/tests/components/azure_devops/test_config_flow.py
+++ b/tests/components/azure_devops/test_config_flow.py
@@ -62,7 +62,9 @@ async def test_reauth_authorization_error(hass: HomeAssistant) -> None:
         return_value=False,
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=FIXTURE_USER_INPUT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH},
+            data=FIXTURE_USER_INPUT,
         )
 
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -110,7 +112,9 @@ async def test_reauth_connection_error(hass: HomeAssistant) -> None:
         side_effect=aiohttp.ClientError,
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=FIXTURE_USER_INPUT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH},
+            data=FIXTURE_USER_INPUT,
         )
 
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -168,7 +172,9 @@ async def test_reauth_project_error(hass: HomeAssistant) -> None:
         return_value=None,
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=FIXTURE_USER_INPUT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH},
+            data=FIXTURE_USER_INPUT,
         )
 
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -197,7 +203,9 @@ async def test_reauth_flow(hass: HomeAssistant) -> None:
         mock_config.add_to_hass(hass)
 
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=FIXTURE_USER_INPUT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH},
+            data=FIXTURE_USER_INPUT,
         )
 
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
diff --git a/tests/components/blink/test_config_flow.py b/tests/components/blink/test_config_flow.py
index 2d1746b87ba..7da395a6f1f 100644
--- a/tests/components/blink/test_config_flow.py
+++ b/tests/components/blink/test_config_flow.py
@@ -246,7 +246,7 @@ async def test_form_unknown_error(hass):
 async def test_reauth_shows_user_step(hass):
     """Test reauth shows the user form."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}
+        DOMAIN, context={"source": config_entries.SOURCE_REAUTH}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
diff --git a/tests/components/bmw_connected_drive/test_config_flow.py b/tests/components/bmw_connected_drive/test_config_flow.py
index d56978deb27..ba3c69fe9c5 100644
--- a/tests/components/bmw_connected_drive/test_config_flow.py
+++ b/tests/components/bmw_connected_drive/test_config_flow.py
@@ -30,7 +30,7 @@ FIXTURE_CONFIG_ENTRY = {
     },
     "options": {CONF_READ_ONLY: False, CONF_USE_LOCATION: False},
     "system_options": {"disable_new_entities": False},
-    "source": "user",
+    "source": config_entries.SOURCE_USER,
     "connection_class": config_entries.CONN_CLASS_CLOUD_POLL,
     "unique_id": f"{FIXTURE_USER_INPUT[CONF_REGION]}-{FIXTURE_USER_INPUT[CONF_REGION]}",
 }
diff --git a/tests/components/broadlink/test_config_flow.py b/tests/components/broadlink/test_config_flow.py
index 135362d62d9..68f1c54f697 100644
--- a/tests/components/broadlink/test_config_flow.py
+++ b/tests/components/broadlink/test_config_flow.py
@@ -733,7 +733,7 @@ async def test_flow_reauth_works(hass):
 
     with patch(DEVICE_FACTORY, return_value=mock_api):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=data
+            DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=data
         )
 
     assert result["type"] == "form"
@@ -769,7 +769,7 @@ async def test_flow_reauth_invalid_host(hass):
 
     with patch(DEVICE_FACTORY, return_value=mock_api):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=data
+            DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=data
         )
 
     device.mac = get_device("Office").mac
@@ -803,7 +803,7 @@ async def test_flow_reauth_valid_host(hass):
 
     with patch(DEVICE_FACTORY, return_value=mock_api):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=data
+            DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=data
         )
 
     device.host = "192.168.1.128"
@@ -834,7 +834,7 @@ async def test_dhcp_can_finish(hass):
     with patch(DEVICE_HELLO, return_value=mock_api):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "broadlink",
                 IP_ADDRESS: "1.2.3.4",
@@ -868,7 +868,7 @@ async def test_dhcp_fails_to_connect(hass):
     with patch(DEVICE_HELLO, side_effect=blke.NetworkTimeoutError()):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "broadlink",
                 IP_ADDRESS: "1.2.3.4",
@@ -887,7 +887,7 @@ async def test_dhcp_unreachable(hass):
     with patch(DEVICE_HELLO, side_effect=OSError(errno.ENETUNREACH, None)):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "broadlink",
                 IP_ADDRESS: "1.2.3.4",
@@ -906,7 +906,7 @@ async def test_dhcp_connect_unknown_error(hass):
     with patch(DEVICE_HELLO, side_effect=OSError()):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "broadlink",
                 IP_ADDRESS: "1.2.3.4",
@@ -928,7 +928,7 @@ async def test_dhcp_device_not_supported(hass):
     with patch(DEVICE_HELLO, return_value=mock_api):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "broadlink",
                 IP_ADDRESS: device.host,
@@ -952,7 +952,7 @@ async def test_dhcp_already_exists(hass):
     with patch(DEVICE_HELLO, return_value=mock_api):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "broadlink",
                 IP_ADDRESS: "1.2.3.4",
@@ -978,7 +978,7 @@ async def test_dhcp_updates_host(hass):
     with patch(DEVICE_HELLO, return_value=mock_api):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "broadlink",
                 IP_ADDRESS: "4.5.6.7",
diff --git a/tests/components/cast/test_config_flow.py b/tests/components/cast/test_config_flow.py
index 1febd9d8803..cc67d585022 100644
--- a/tests/components/cast/test_config_flow.py
+++ b/tests/components/cast/test_config_flow.py
@@ -34,7 +34,14 @@ async def test_creating_entry_sets_up_media_player(hass):
     assert len(mock_setup.mock_calls) == 1
 
 
-@pytest.mark.parametrize("source", ["import", "user", "zeroconf"])
+@pytest.mark.parametrize(
+    "source",
+    [
+        config_entries.SOURCE_IMPORT,
+        config_entries.SOURCE_USER,
+        config_entries.SOURCE_ZEROCONF,
+    ],
+)
 async def test_single_instance(hass, source):
     """Test we only allow a single config flow."""
     MockConfigEntry(domain="cast").add_to_hass(hass)
@@ -50,7 +57,7 @@ async def test_single_instance(hass, source):
 async def test_user_setup(hass):
     """Test we can finish a config flow."""
     result = await hass.config_entries.flow.async_init(
-        "cast", context={"source": "user"}
+        "cast", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
 
@@ -70,7 +77,7 @@ async def test_user_setup(hass):
 async def test_user_setup_options(hass):
     """Test we can finish a config flow."""
     result = await hass.config_entries.flow.async_init(
-        "cast", context={"source": "user"}
+        "cast", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
 
@@ -92,7 +99,7 @@ async def test_user_setup_options(hass):
 async def test_zeroconf_setup(hass):
     """Test we can finish a config flow through zeroconf."""
     result = await hass.config_entries.flow.async_init(
-        "cast", context={"source": "zeroconf"}
+        "cast", context={"source": config_entries.SOURCE_ZEROCONF}
     )
     assert result["type"] == "form"
 
@@ -169,7 +176,7 @@ async def test_option_flow(hass, parameter_data):
     orig_data = dict(config_entry.data)
 
     # Reconfigure ignore_cec, known_hosts, uuid
-    context = {"source": "user", "show_advanced_options": True}
+    context = {"source": config_entries.SOURCE_USER, "show_advanced_options": True}
     result = await hass.config_entries.options.async_init(
         config_entry.entry_id, context=context
     )
@@ -213,7 +220,7 @@ async def test_option_flow(hass, parameter_data):
 async def test_known_hosts(hass, castbrowser_mock, castbrowser_constructor_mock):
     """Test known hosts is passed to pychromecasts."""
     result = await hass.config_entries.flow.async_init(
-        "cast", context={"source": "user"}
+        "cast", context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], {"known_hosts": "192.168.0.1, 192.168.0.2"}
diff --git a/tests/components/cert_expiry/test_config_flow.py b/tests/components/cert_expiry/test_config_flow.py
index ed51ebf70a4..a1cd1367e5f 100644
--- a/tests/components/cert_expiry/test_config_flow.py
+++ b/tests/components/cert_expiry/test_config_flow.py
@@ -3,7 +3,7 @@ import socket
 import ssl
 from unittest.mock import patch
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.cert_expiry.const import DEFAULT_PORT, DOMAIN
 from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PORT
 
@@ -16,7 +16,7 @@ from tests.common import MockConfigEntry
 async def test_user(hass):
     """Test user config."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -40,7 +40,7 @@ async def test_user(hass):
 async def test_user_with_bad_cert(hass):
     """Test user config with bad certificate."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -72,7 +72,9 @@ async def test_import_host_only(hass):
         return_value=future_timestamp(1),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "import"}, data={CONF_HOST: HOST}
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data={CONF_HOST: HOST},
         )
         await hass.async_block_till_done()
 
@@ -93,7 +95,7 @@ async def test_import_host_and_port(hass):
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "import"},
+            context={"source": config_entries.SOURCE_IMPORT},
             data={CONF_HOST: HOST, CONF_PORT: PORT},
         )
         await hass.async_block_till_done()
@@ -114,7 +116,9 @@ async def test_import_non_default_port(hass):
         return_value=future_timestamp(1),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "import"}, data={CONF_HOST: HOST, CONF_PORT: 888}
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data={CONF_HOST: HOST, CONF_PORT: 888},
         )
         await hass.async_block_till_done()
 
@@ -135,7 +139,7 @@ async def test_import_with_name(hass):
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "import"},
+            context={"source": config_entries.SOURCE_IMPORT},
             data={CONF_NAME: "legacy", CONF_HOST: HOST, CONF_PORT: PORT},
         )
         await hass.async_block_till_done()
@@ -154,7 +158,9 @@ async def test_bad_import(hass):
         side_effect=ConnectionRefusedError(),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "import"}, data={CONF_HOST: HOST}
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data={CONF_HOST: HOST},
         )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
@@ -170,13 +176,17 @@ async def test_abort_if_already_setup(hass):
     ).add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "import"}, data={CONF_HOST: HOST, CONF_PORT: PORT}
+        DOMAIN,
+        context={"source": config_entries.SOURCE_IMPORT},
+        data={CONF_HOST: HOST, CONF_PORT: PORT},
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_configured"
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data={CONF_HOST: HOST, CONF_PORT: PORT}
+        DOMAIN,
+        context={"source": config_entries.SOURCE_USER},
+        data={CONF_HOST: HOST, CONF_PORT: PORT},
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_configured"
@@ -185,7 +195,7 @@ async def test_abort_if_already_setup(hass):
 async def test_abort_on_socket_failed(hass):
     """Test we abort of we have errors during socket creation."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     with patch(
diff --git a/tests/components/config/test_config_entries.py b/tests/components/config/test_config_entries.py
index abad057b64c..2f7815c99bf 100644
--- a/tests/components/config/test_config_entries.py
+++ b/tests/components/config/test_config_entries.py
@@ -330,7 +330,7 @@ async def test_create_account(hass, client):
             "disabled_by": None,
             "domain": "test",
             "entry_id": entries[0].entry_id,
-            "source": "user",
+            "source": core_ce.SOURCE_USER,
             "state": "loaded",
             "supports_options": False,
             "supports_unload": False,
@@ -401,7 +401,7 @@ async def test_two_step_flow(hass, client):
                 "disabled_by": None,
                 "domain": "test",
                 "entry_id": entries[0].entry_id,
-                "source": "user",
+                "source": core_ce.SOURCE_USER,
                 "state": "loaded",
                 "supports_options": False,
                 "supports_unload": False,
@@ -476,7 +476,7 @@ async def test_get_progress_index(hass, hass_ws_client):
 
     with patch.dict(HANDLERS, {"test": TestFlow}):
         form = await hass.config_entries.flow.async_init(
-            "test", context={"source": "hassio"}
+            "test", context={"source": core_ce.SOURCE_HASSIO}
         )
 
     await ws_client.send_json({"id": 5, "type": "config_entries/flow/progress"})
@@ -488,7 +488,7 @@ async def test_get_progress_index(hass, hass_ws_client):
             "flow_id": form["flow_id"],
             "handler": "test",
             "step_id": "account",
-            "context": {"source": "hassio"},
+            "context": {"source": core_ce.SOURCE_HASSIO},
         }
     ]
 
@@ -886,7 +886,7 @@ async def test_ignore_flow(hass, hass_ws_client):
 
     with patch.dict(HANDLERS, {"test": TestFlow}):
         result = await hass.config_entries.flow.async_init(
-            "test", context={"source": "user"}
+            "test", context={"source": core_ce.SOURCE_USER}
         )
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
 
diff --git a/tests/components/deconz/test_gateway.py b/tests/components/deconz/test_gateway.py
index afd4e55499d..1712faaf080 100644
--- a/tests/components/deconz/test_gateway.py
+++ b/tests/components/deconz/test_gateway.py
@@ -32,7 +32,7 @@ from homeassistant.components.ssdp import (
     ATTR_UPNP_UDN,
 )
 from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN
-from homeassistant.config_entries import CONN_CLASS_LOCAL_PUSH, SOURCE_SSDP
+from homeassistant.config_entries import CONN_CLASS_LOCAL_PUSH, SOURCE_SSDP, SOURCE_USER
 from homeassistant.const import (
     CONF_API_KEY,
     CONF_HOST,
@@ -109,7 +109,7 @@ async def setup_deconz_integration(
     get_state_response=DECONZ_WEB_REQUEST,
     entry_id="1",
     unique_id=BRIDGEID,
-    source="user",
+    source=SOURCE_USER,
 ):
     """Create the deCONZ gateway."""
     config_entry = MockConfigEntry(
diff --git a/tests/components/devolo_home_control/test_config_flow.py b/tests/components/devolo_home_control/test_config_flow.py
index 7765e7335e4..94435545cc6 100644
--- a/tests/components/devolo_home_control/test_config_flow.py
+++ b/tests/components/devolo_home_control/test_config_flow.py
@@ -67,7 +67,8 @@ async def test_form_already_configured(hass):
 async def test_form_advanced_options(hass):
     """Test if we get the advanced options if user has enabled it."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user", "show_advanced_options": True}
+        DOMAIN,
+        context={"source": config_entries.SOURCE_USER, "show_advanced_options": True},
     )
     assert result["type"] == "form"
     assert result["errors"] == {}
diff --git a/tests/components/dhcp/test_init.py b/tests/components/dhcp/test_init.py
index 25fbbea459a..122e81786c2 100644
--- a/tests/components/dhcp/test_init.py
+++ b/tests/components/dhcp/test_init.py
@@ -7,6 +7,7 @@ from scapy.error import Scapy_Exception
 from scapy.layers.dhcp import DHCP
 from scapy.layers.l2 import Ether
 
+from homeassistant import config_entries
 from homeassistant.components import dhcp
 from homeassistant.components.device_tracker.const import (
     ATTR_HOST_NAME,
@@ -98,7 +99,9 @@ async def test_dhcp_match_hostname_and_macaddress(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "connect",
@@ -123,7 +126,9 @@ async def test_dhcp_renewal_match_hostname_and_macaddress(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.1.120",
         dhcp.HOSTNAME: "irobot-ae9ec12dd3b04885bcbfa36afb01e1cc",
@@ -144,7 +149,9 @@ async def test_dhcp_match_hostname(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "connect",
@@ -165,7 +172,9 @@ async def test_dhcp_match_macaddress(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "connect",
@@ -435,7 +444,9 @@ async def test_device_tracker_hostname_and_macaddress_exists_before_start(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "connect",
@@ -470,7 +481,9 @@ async def test_device_tracker_hostname_and_macaddress_after_start(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "connect",
@@ -614,7 +627,9 @@ async def test_aiodiscover_finds_new_hosts(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "connect",
@@ -667,14 +682,18 @@ async def test_aiodiscover_does_not_call_again_on_shorter_hostname(hass):
 
     assert len(mock_init.mock_calls) == 2
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "irobot-abc",
         dhcp.MAC_ADDRESS: "b8b7f16db533",
     }
     assert mock_init.mock_calls[1][1][0] == "mock-domain"
-    assert mock_init.mock_calls[1][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[1][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[1][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "irobot-abcdef",
@@ -715,7 +734,9 @@ async def test_aiodiscover_finds_new_hosts_after_interval(hass):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "dhcp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_DHCP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         dhcp.IP_ADDRESS: "192.168.210.56",
         dhcp.HOSTNAME: "connect",
diff --git a/tests/components/dialogflow/test_init.py b/tests/components/dialogflow/test_init.py
index 2213e52bef7..c2d0316245a 100644
--- a/tests/components/dialogflow/test_init.py
+++ b/tests/components/dialogflow/test_init.py
@@ -4,7 +4,7 @@ import json
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import dialogflow, intent_script
 from homeassistant.config import async_process_ha_core_config
 from homeassistant.core import callback
@@ -84,7 +84,7 @@ async def fixture(hass, aiohttp_client):
     )
 
     result = await hass.config_entries.flow.async_init(
-        "dialogflow", context={"source": "user"}
+        "dialogflow", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/eafm/test_config_flow.py b/tests/components/eafm/test_config_flow.py
index 8a1e2bd89fc..403ea4f028a 100644
--- a/tests/components/eafm/test_config_flow.py
+++ b/tests/components/eafm/test_config_flow.py
@@ -4,6 +4,7 @@ from unittest.mock import patch
 import pytest
 from voluptuous.error import MultipleInvalid
 
+from homeassistant import config_entries
 from homeassistant.components.eafm import const
 
 
@@ -11,7 +12,7 @@ async def test_flow_no_discovered_stations(hass, mock_get_stations):
     """Test config flow discovers no station."""
     mock_get_stations.return_value = []
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "user"}
+        const.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "abort"
     assert result["reason"] == "no_stations"
@@ -24,7 +25,7 @@ async def test_flow_invalid_station(hass, mock_get_stations):
     ]
 
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "user"}
+        const.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
 
@@ -44,7 +45,7 @@ async def test_flow_works(hass, mock_get_stations, mock_get_station):
     ]
 
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "user"}
+        const.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
 
diff --git a/tests/components/emonitor/test_config_flow.py b/tests/components/emonitor/test_config_flow.py
index 1d71275409a..ab2f62578b4 100644
--- a/tests/components/emonitor/test_config_flow.py
+++ b/tests/components/emonitor/test_config_flow.py
@@ -102,7 +102,7 @@ async def test_dhcp_can_confirm(hass):
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "emonitor",
                 IP_ADDRESS: "1.2.3.4",
@@ -146,7 +146,7 @@ async def test_dhcp_fails_to_connect(hass):
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "emonitor",
                 IP_ADDRESS: "1.2.3.4",
@@ -175,7 +175,7 @@ async def test_dhcp_already_exists(hass):
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "dhcp"},
+            context={"source": config_entries.SOURCE_DHCP},
             data={
                 HOSTNAME: "emonitor",
                 IP_ADDRESS: "1.2.3.4",
diff --git a/tests/components/enocean/test_config_flow.py b/tests/components/enocean/test_config_flow.py
index 60a20af5eae..d12b9a580c7 100644
--- a/tests/components/enocean/test_config_flow.py
+++ b/tests/components/enocean/test_config_flow.py
@@ -1,7 +1,7 @@
 """Tests for EnOcean config flow."""
 from unittest.mock import Mock, patch
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.enocean.config_flow import EnOceanFlowHandler
 from homeassistant.components.enocean.const import DOMAIN
 from homeassistant.const import CONF_DEVICE
@@ -21,7 +21,7 @@ async def test_user_flow_cannot_create_multiple_instances(hass):
 
     with patch(DONGLE_VALIDATE_PATH_METHOD, Mock(return_value=True)):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
@@ -34,7 +34,7 @@ async def test_user_flow_with_detected_dongle(hass):
 
     with patch(DONGLE_DETECT_METHOD, Mock(return_value=[FAKE_DONGLE_PATH])):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -48,7 +48,7 @@ async def test_user_flow_with_no_detected_dongle(hass):
     """Test the user flow with a detected ENOcean dongle."""
     with patch(DONGLE_DETECT_METHOD, Mock(return_value=[])):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -141,7 +141,9 @@ async def test_import_flow_with_valid_path(hass):
 
     with patch(DONGLE_VALIDATE_PATH_METHOD, Mock(return_value=True)):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "import"}, data=DATA_TO_IMPORT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data=DATA_TO_IMPORT,
         )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
@@ -157,7 +159,9 @@ async def test_import_flow_with_invalid_path(hass):
         Mock(return_value=False),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "import"}, data=DATA_TO_IMPORT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data=DATA_TO_IMPORT,
         )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
diff --git a/tests/components/enphase_envoy/test_config_flow.py b/tests/components/enphase_envoy/test_config_flow.py
index 0f48067ec6d..45aeecf912a 100644
--- a/tests/components/enphase_envoy/test_config_flow.py
+++ b/tests/components/enphase_envoy/test_config_flow.py
@@ -130,7 +130,7 @@ async def test_import(hass: HomeAssistant) -> None:
     ) as mock_setup_entry:
         result2 = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "import"},
+            context={"source": config_entries.SOURCE_IMPORT},
             data={
                 "ip_address": "1.1.1.1",
                 "name": "Pool Envoy",
@@ -156,7 +156,7 @@ async def test_zeroconf(hass: HomeAssistant) -> None:
     await setup.async_setup_component(hass, "persistent_notification", {})
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "zeroconf"},
+        context={"source": config_entries.SOURCE_ZEROCONF},
         data={
             "properties": {"serialnum": "1234"},
             "host": "1.1.1.1",
@@ -253,7 +253,7 @@ async def test_zeroconf_serial_already_exists(hass: HomeAssistant) -> None:
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "zeroconf"},
+        context={"source": config_entries.SOURCE_ZEROCONF},
         data={
             "properties": {"serialnum": "1234"},
             "host": "1.1.1.1",
@@ -288,7 +288,7 @@ async def test_zeroconf_host_already_exists(hass: HomeAssistant) -> None:
     ) as mock_setup_entry:
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "zeroconf"},
+            context={"source": config_entries.SOURCE_ZEROCONF},
             data={
                 "properties": {"serialnum": "1234"},
                 "host": "1.1.1.1",
diff --git a/tests/components/esphome/test_config_flow.py b/tests/components/esphome/test_config_flow.py
index 233255c1a89..d5968e7f731 100644
--- a/tests/components/esphome/test_config_flow.py
+++ b/tests/components/esphome/test_config_flow.py
@@ -4,6 +4,7 @@ from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components.esphome import DOMAIN
 from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_PORT
 from homeassistant.data_entry_flow import (
@@ -51,7 +52,7 @@ async def test_user_connection_works(hass, mock_client):
     """Test we can finish a config flow."""
     result = await hass.config_entries.flow.async_init(
         "esphome",
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
         data=None,
     )
 
@@ -62,7 +63,7 @@ async def test_user_connection_works(hass, mock_client):
 
     result = await hass.config_entries.flow.async_init(
         "esphome",
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
         data={CONF_HOST: "127.0.0.1", CONF_PORT: 80},
     )
 
@@ -95,7 +96,7 @@ async def test_user_resolve_error(hass, mock_api_connection_error, mock_client):
         mock_client.device_info.side_effect = exc
         result = await hass.config_entries.flow.async_init(
             "esphome",
-            context={"source": "user"},
+            context={"source": config_entries.SOURCE_USER},
             data={CONF_HOST: "127.0.0.1", CONF_PORT: 6053},
         )
 
@@ -114,7 +115,7 @@ async def test_user_connection_error(hass, mock_api_connection_error, mock_clien
 
     result = await hass.config_entries.flow.async_init(
         "esphome",
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
         data={CONF_HOST: "127.0.0.1", CONF_PORT: 6053},
     )
 
@@ -133,7 +134,7 @@ async def test_user_with_password(hass, mock_client):
 
     result = await hass.config_entries.flow.async_init(
         "esphome",
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
         data={CONF_HOST: "127.0.0.1", CONF_PORT: 6053},
     )
 
@@ -159,7 +160,7 @@ async def test_user_invalid_password(hass, mock_api_connection_error, mock_clien
 
     result = await hass.config_entries.flow.async_init(
         "esphome",
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
         data={CONF_HOST: "127.0.0.1", CONF_PORT: 6053},
     )
 
@@ -188,7 +189,7 @@ async def test_discovery_initiation(hass, mock_client):
         "properties": {},
     }
     flow = await hass.config_entries.flow.async_init(
-        "esphome", context={"source": "zeroconf"}, data=service_info
+        "esphome", context={"source": config_entries.SOURCE_ZEROCONF}, data=service_info
     )
 
     result = await hass.config_entries.flow.async_configure(
@@ -220,7 +221,7 @@ async def test_discovery_already_configured_hostname(hass, mock_client):
         "properties": {},
     }
     result = await hass.config_entries.flow.async_init(
-        "esphome", context={"source": "zeroconf"}, data=service_info
+        "esphome", context={"source": config_entries.SOURCE_ZEROCONF}, data=service_info
     )
 
     assert result["type"] == RESULT_TYPE_ABORT
@@ -245,7 +246,7 @@ async def test_discovery_already_configured_ip(hass, mock_client):
         "properties": {"address": "192.168.43.183"},
     }
     result = await hass.config_entries.flow.async_init(
-        "esphome", context={"source": "zeroconf"}, data=service_info
+        "esphome", context={"source": config_entries.SOURCE_ZEROCONF}, data=service_info
     )
 
     assert result["type"] == RESULT_TYPE_ABORT
@@ -273,7 +274,7 @@ async def test_discovery_already_configured_name(hass, mock_client):
         "properties": {"address": "test8266.local"},
     }
     result = await hass.config_entries.flow.async_init(
-        "esphome", context={"source": "zeroconf"}, data=service_info
+        "esphome", context={"source": config_entries.SOURCE_ZEROCONF}, data=service_info
     )
 
     assert result["type"] == RESULT_TYPE_ABORT
@@ -295,13 +296,13 @@ async def test_discovery_duplicate_data(hass, mock_client):
     mock_client.device_info = AsyncMock(return_value=MockDeviceInfo(False, "test8266"))
 
     result = await hass.config_entries.flow.async_init(
-        "esphome", data=service_info, context={"source": "zeroconf"}
+        "esphome", data=service_info, context={"source": config_entries.SOURCE_ZEROCONF}
     )
     assert result["type"] == RESULT_TYPE_FORM
     assert result["step_id"] == "discovery_confirm"
 
     result = await hass.config_entries.flow.async_init(
-        "esphome", data=service_info, context={"source": "zeroconf"}
+        "esphome", data=service_info, context={"source": config_entries.SOURCE_ZEROCONF}
     )
     assert result["type"] == RESULT_TYPE_ABORT
     assert result["reason"] == "already_in_progress"
@@ -323,7 +324,7 @@ async def test_discovery_updates_unique_id(hass, mock_client):
         "properties": {"address": "test8266.local"},
     }
     result = await hass.config_entries.flow.async_init(
-        "esphome", context={"source": "zeroconf"}, data=service_info
+        "esphome", context={"source": config_entries.SOURCE_ZEROCONF}, data=service_info
     )
 
     assert result["type"] == RESULT_TYPE_ABORT
diff --git a/tests/components/fireservicerota/test_config_flow.py b/tests/components/fireservicerota/test_config_flow.py
index 6f4fd21a534..0553574ae77 100644
--- a/tests/components/fireservicerota/test_config_flow.py
+++ b/tests/components/fireservicerota/test_config_flow.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 from pyfireservicerota import InvalidAuthError
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.fireservicerota.const import DOMAIN
 from homeassistant.const import CONF_PASSWORD, CONF_URL, CONF_USERNAME
 
@@ -40,7 +40,7 @@ MOCK_TOKEN_INFO = {
 async def test_show_form(hass):
     """Test that the form is served with no input."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -53,7 +53,7 @@ async def test_abort_if_already_setup(hass):
     )
     entry.add_to_hass(hass)
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_CONF
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_configured"
@@ -67,7 +67,7 @@ async def test_invalid_credentials(hass):
         side_effect=InvalidAuthError,
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_CONF
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
         )
         assert result["errors"] == {"base": "invalid_auth"}
 
@@ -86,7 +86,7 @@ async def test_step_user(hass):
         mock_fireservicerota.request_tokens.return_value = MOCK_TOKEN_INFO
 
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_CONF
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
         )
 
         await hass.async_block_till_done()
@@ -123,7 +123,10 @@ async def test_reauth(hass):
 
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "unique_id": entry.unique_id},
+            context={
+                "source": config_entries.SOURCE_REAUTH,
+                "unique_id": entry.unique_id,
+            },
             data=MOCK_CONF,
         )
 
diff --git a/tests/components/fritzbox/test_config_flow.py b/tests/components/fritzbox/test_config_flow.py
index 2ffa14003f0..64e8c691638 100644
--- a/tests/components/fritzbox/test_config_flow.py
+++ b/tests/components/fritzbox/test_config_flow.py
@@ -12,7 +12,12 @@ from homeassistant.components.ssdp import (
     ATTR_UPNP_FRIENDLY_NAME,
     ATTR_UPNP_UDN,
 )
-from homeassistant.config_entries import SOURCE_REAUTH, SOURCE_SSDP, SOURCE_USER
+from homeassistant.config_entries import (
+    SOURCE_IMPORT,
+    SOURCE_REAUTH,
+    SOURCE_SSDP,
+    SOURCE_USER,
+)
 from homeassistant.const import CONF_DEVICES, CONF_HOST, CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import (
@@ -182,7 +187,7 @@ async def test_reauth_not_successful(hass: HomeAssistant, fritz: Mock):
 async def test_import(hass: HomeAssistant, fritz: Mock):
     """Test starting a flow by import."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "import"}, data=MOCK_USER_DATA
+        DOMAIN, context={"source": SOURCE_IMPORT}, data=MOCK_USER_DATA
     )
     assert result["type"] == RESULT_TYPE_CREATE_ENTRY
     assert result["title"] == "fake_host"
diff --git a/tests/components/garmin_connect/test_config_flow.py b/tests/components/garmin_connect/test_config_flow.py
index eed9d8dceae..f3784d5e2e2 100644
--- a/tests/components/garmin_connect/test_config_flow.py
+++ b/tests/components/garmin_connect/test_config_flow.py
@@ -8,7 +8,7 @@ from garminconnect import (
 )
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.garmin_connect.const import DOMAIN
 from homeassistant.const import CONF_ID, CONF_PASSWORD, CONF_USERNAME
 
@@ -34,7 +34,7 @@ def mock_garmin():
 async def test_show_form(hass):
     """Test that the form is served with no input."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -47,7 +47,7 @@ async def test_step_user(hass, mock_garmin_connect):
         "homeassistant.components.garmin_connect.async_setup_entry", return_value=True
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_CONF
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
     assert result["data"] == MOCK_CONF
@@ -57,7 +57,7 @@ async def test_connection_error(hass, mock_garmin_connect):
     """Test for connection error."""
     mock_garmin_connect.login.side_effect = GarminConnectConnectionError("errormsg")
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_CONF
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["errors"] == {"base": "cannot_connect"}
@@ -67,7 +67,7 @@ async def test_authentication_error(hass, mock_garmin_connect):
     """Test for authentication error."""
     mock_garmin_connect.login.side_effect = GarminConnectAuthenticationError("errormsg")
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_CONF
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["errors"] == {"base": "invalid_auth"}
@@ -79,7 +79,7 @@ async def test_toomanyrequest_error(hass, mock_garmin_connect):
         "errormsg"
     )
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_CONF
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["errors"] == {"base": "too_many_requests"}
@@ -89,7 +89,7 @@ async def test_unknown_error(hass, mock_garmin_connect):
     """Test for unknown error."""
     mock_garmin_connect.login.side_effect = Exception
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_CONF
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["errors"] == {"base": "unknown"}
@@ -100,7 +100,7 @@ async def test_abort_if_already_setup(hass, mock_garmin_connect):
     entry = MockConfigEntry(domain=DOMAIN, data=MOCK_CONF, unique_id=MOCK_CONF[CONF_ID])
     entry.add_to_hass(hass)
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_CONF
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_CONF
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_configured"
diff --git a/tests/components/gdacs/test_config_flow.py b/tests/components/gdacs/test_config_flow.py
index e2ecd3902d5..8496f0ca5a2 100644
--- a/tests/components/gdacs/test_config_flow.py
+++ b/tests/components/gdacs/test_config_flow.py
@@ -4,7 +4,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.gdacs import CONF_CATEGORIES, DOMAIN
 from homeassistant.const import (
     CONF_LATITUDE,
@@ -27,7 +27,7 @@ async def test_duplicate_error(hass, config_entry):
     config_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=conf
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=conf
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_configured"
@@ -36,7 +36,7 @@ async def test_duplicate_error(hass, config_entry):
 async def test_show_form(hass):
     """Test that the form is served with no input."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -53,7 +53,7 @@ async def test_step_import(hass):
     }
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "import"}, data=conf
+        DOMAIN, context={"source": config_entries.SOURCE_IMPORT}, data=conf
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
     assert result["title"] == "-41.2, 174.7"
@@ -73,7 +73,7 @@ async def test_step_user(hass):
     conf = {CONF_RADIUS: 25}
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=conf
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=conf
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
     assert result["title"] == "-41.2, 174.7"
diff --git a/tests/components/geofency/test_init.py b/tests/components/geofency/test_init.py
index b84b6b681ae..169cfebae17 100644
--- a/tests/components/geofency/test_init.py
+++ b/tests/components/geofency/test_init.py
@@ -4,7 +4,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import zone
 from homeassistant.components.geofency import CONF_MOBILE_BEACONS, DOMAIN
 from homeassistant.config import async_process_ha_core_config
@@ -157,7 +157,7 @@ async def webhook_id(hass, geofency_client):
         {"internal_url": "http://example.local:8123"},
     )
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/geonetnz_quakes/test_config_flow.py b/tests/components/geonetnz_quakes/test_config_flow.py
index d362e9cdf0f..9b471051656 100644
--- a/tests/components/geonetnz_quakes/test_config_flow.py
+++ b/tests/components/geonetnz_quakes/test_config_flow.py
@@ -2,7 +2,7 @@
 from datetime import timedelta
 from unittest.mock import patch
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.geonetnz_quakes import (
     CONF_MINIMUM_MAGNITUDE,
     CONF_MMI,
@@ -23,7 +23,7 @@ async def test_duplicate_error(hass, config_entry):
     config_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=conf
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=conf
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "already_configured"
@@ -32,7 +32,7 @@ async def test_duplicate_error(hass, config_entry):
 async def test_show_form(hass):
     """Test that the form is served with no input."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -54,7 +54,7 @@ async def test_step_import(hass):
         "homeassistant.components.geonetnz_quakes.async_setup_entry", return_value=True
     ), patch("homeassistant.components.geonetnz_quakes.async_setup", return_value=True):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "import"}, data=conf
+            DOMAIN, context={"source": config_entries.SOURCE_IMPORT}, data=conf
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
     assert result["title"] == "-41.2, 174.7"
@@ -79,7 +79,7 @@ async def test_step_user(hass):
         "homeassistant.components.geonetnz_quakes.async_setup_entry", return_value=True
     ), patch("homeassistant.components.geonetnz_quakes.async_setup", return_value=True):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=conf
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=conf
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
     assert result["title"] == "-41.2, 174.7"
diff --git a/tests/components/glances/test_config_flow.py b/tests/components/glances/test_config_flow.py
index 8734ca0e60d..c9a2c333b8b 100644
--- a/tests/components/glances/test_config_flow.py
+++ b/tests/components/glances/test_config_flow.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 from glances_api import Glances
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import glances
 from homeassistant.const import CONF_SCAN_INTERVAL
 
@@ -33,7 +33,7 @@ async def test_form(hass):
     """Test config entry configured successfully."""
 
     result = await hass.config_entries.flow.async_init(
-        glances.DOMAIN, context={"source": "user"}
+        glances.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -56,7 +56,7 @@ async def test_form_cannot_connect(hass):
 
     with patch("glances_api.Glances"):
         result = await hass.config_entries.flow.async_init(
-            glances.DOMAIN, context={"source": "user"}
+            glances.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
         result = await hass.config_entries.flow.async_configure(
             result["flow_id"], user_input=DEMO_USER_INPUT
@@ -72,7 +72,7 @@ async def test_form_wrong_version(hass):
     user_input = DEMO_USER_INPUT.copy()
     user_input.update(version=1)
     result = await hass.config_entries.flow.async_init(
-        glances.DOMAIN, context={"source": "user"}
+        glances.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], user_input=user_input
@@ -90,7 +90,7 @@ async def test_form_already_configured(hass):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        glances.DOMAIN, context={"source": "user"}
+        glances.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], user_input=DEMO_USER_INPUT
diff --git a/tests/components/gpslogger/test_init.py b/tests/components/gpslogger/test_init.py
index 1dad262a285..61e5862d3b1 100644
--- a/tests/components/gpslogger/test_init.py
+++ b/tests/components/gpslogger/test_init.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import gpslogger, zone
 from homeassistant.components.device_tracker import DOMAIN as DEVICE_TRACKER_DOMAIN
 from homeassistant.components.gpslogger import DOMAIN, TRACKER_UPDATE
@@ -69,7 +69,7 @@ async def webhook_id(hass, gpslogger_client):
         {"internal_url": "http://example.local:8123"},
     )
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/heos/test_config_flow.py b/tests/components/heos/test_config_flow.py
index e62578e5108..76ff06e2a96 100644
--- a/tests/components/heos/test_config_flow.py
+++ b/tests/components/heos/test_config_flow.py
@@ -8,7 +8,7 @@ from homeassistant import data_entry_flow
 from homeassistant.components import heos, ssdp
 from homeassistant.components.heos.config_flow import HeosFlowHandler
 from homeassistant.components.heos.const import DATA_DISCOVERED_HOSTS, DOMAIN
-from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_SSDP
+from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_SSDP, SOURCE_USER
 from homeassistant.const import CONF_HOST
 
 
@@ -36,7 +36,7 @@ async def test_cannot_connect_shows_error_form(hass, controller):
     """Test form is shown with error when cannot connect."""
     controller.connect.side_effect = HeosError()
     result = await hass.config_entries.flow.async_init(
-        heos.DOMAIN, context={"source": "user"}, data={CONF_HOST: "127.0.0.1"}
+        heos.DOMAIN, context={"source": SOURCE_USER}, data={CONF_HOST: "127.0.0.1"}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -52,7 +52,7 @@ async def test_create_entry_when_host_valid(hass, controller):
     data = {CONF_HOST: "127.0.0.1"}
     with patch("homeassistant.components.heos.async_setup_entry", return_value=True):
         result = await hass.config_entries.flow.async_init(
-            heos.DOMAIN, context={"source": "user"}, data=data
+            heos.DOMAIN, context={"source": SOURCE_USER}, data=data
         )
         assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
         assert result["result"].unique_id == DOMAIN
@@ -68,7 +68,7 @@ async def test_create_entry_when_friendly_name_valid(hass, controller):
     data = {CONF_HOST: "Office (127.0.0.1)"}
     with patch("homeassistant.components.heos.async_setup_entry", return_value=True):
         result = await hass.config_entries.flow.async_init(
-            heos.DOMAIN, context={"source": "user"}, data=data
+            heos.DOMAIN, context={"source": SOURCE_USER}, data=data
         )
         assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
         assert result["result"].unique_id == DOMAIN
@@ -83,7 +83,7 @@ async def test_discovery_shows_create_form(hass, controller, discovery_data):
     """Test discovery shows form to confirm setup and subsequent abort."""
 
     await hass.config_entries.flow.async_init(
-        heos.DOMAIN, context={"source": "ssdp"}, data=discovery_data
+        heos.DOMAIN, context={"source": SOURCE_SSDP}, data=discovery_data
     )
     await hass.async_block_till_done()
     flows_in_progress = hass.config_entries.flow.async_progress()
@@ -96,7 +96,7 @@ async def test_discovery_shows_create_form(hass, controller, discovery_data):
     discovery_data[ssdp.ATTR_UPNP_FRIENDLY_NAME] = "Bedroom"
 
     await hass.config_entries.flow.async_init(
-        heos.DOMAIN, context={"source": "ssdp"}, data=discovery_data
+        heos.DOMAIN, context={"source": SOURCE_SSDP}, data=discovery_data
     )
     await hass.async_block_till_done()
     flows_in_progress = hass.config_entries.flow.async_progress()
diff --git a/tests/components/homekit_controller/test_config_flow.py b/tests/components/homekit_controller/test_config_flow.py
index 42903a53062..12381614a83 100644
--- a/tests/components/homekit_controller/test_config_flow.py
+++ b/tests/components/homekit_controller/test_config_flow.py
@@ -9,6 +9,7 @@ from aiohomekit.model.characteristics import CharacteristicsTypes
 from aiohomekit.model.services import ServicesTypes
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components.homekit_controller import config_flow
 from homeassistant.helpers import device_registry
 
@@ -177,13 +178,15 @@ async def test_discovery_works(hass, controller, upper_case_props, missing_cshar
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "form"
     assert result["step_id"] == "pair"
     assert get_flow_context(hass, result) == {
         "hkid": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
     }
@@ -209,13 +212,17 @@ async def test_abort_duplicate_flow(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "form"
     assert result["step_id"] == "pair"
 
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_in_progress"
@@ -231,7 +238,9 @@ async def test_pair_already_paired_1(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_paired"
@@ -247,7 +256,9 @@ async def test_id_missing(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "abort"
     assert result["reason"] == "invalid_properties"
@@ -262,7 +273,9 @@ async def test_discovery_ignored_model(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "abort"
     assert result["reason"] == "ignored_model"
@@ -287,7 +300,9 @@ async def test_discovery_ignored_hk_bridge(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "abort"
     assert result["reason"] == "ignored_model"
@@ -312,7 +327,9 @@ async def test_discovery_does_not_ignore_non_homekit(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "form"
 
@@ -333,7 +350,9 @@ async def test_discovery_invalid_config_entry(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
 
     # Discovery of a HKID that is in a pairable state but for which there is
@@ -362,7 +381,9 @@ async def test_discovery_already_configured(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_configured"
@@ -377,7 +398,9 @@ async def test_pair_abort_errors_on_start(hass, controller, exception, expected)
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
 
     # User initiates pairing - device refuses to enter pairing mode
@@ -397,7 +420,9 @@ async def test_pair_try_later_errors_on_start(hass, controller, exception, expec
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
 
     # User initiates pairing - device refuses to enter pairing mode but may be successful after entering pairing mode or rebooting
@@ -432,14 +457,16 @@ async def test_pair_form_errors_on_start(hass, controller, exception, expected):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
 
     assert get_flow_context(hass, result) == {
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
     }
 
     # User initiates pairing - device refuses to enter pairing mode
@@ -455,7 +482,7 @@ async def test_pair_form_errors_on_start(hass, controller, exception, expected):
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
     }
 
     # User gets back the form
@@ -480,14 +507,16 @@ async def test_pair_abort_errors_on_finish(hass, controller, exception, expected
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
 
     assert get_flow_context(hass, result) == {
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
     }
 
     # User initiates pairing - this triggers the device to show a pairing code
@@ -501,7 +530,7 @@ async def test_pair_abort_errors_on_finish(hass, controller, exception, expected
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
     }
 
     # User enters pairing code
@@ -520,14 +549,16 @@ async def test_pair_form_errors_on_finish(hass, controller, exception, expected)
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "zeroconf"}, data=discovery_info
+        "homekit_controller",
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=discovery_info,
     )
 
     assert get_flow_context(hass, result) == {
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
     }
 
     # User initiates pairing - this triggers the device to show a pairing code
@@ -541,7 +572,7 @@ async def test_pair_form_errors_on_finish(hass, controller, exception, expected)
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
     }
 
     # User enters pairing code
@@ -555,7 +586,7 @@ async def test_pair_form_errors_on_finish(hass, controller, exception, expected)
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "zeroconf",
+        "source": config_entries.SOURCE_ZEROCONF,
     }
 
 
@@ -565,13 +596,13 @@ async def test_user_works(hass, controller):
 
     # Device is discovered
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "user"}
+        "homekit_controller", context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
     assert result["step_id"] == "user"
     assert get_flow_context(hass, result) == {
-        "source": "user",
+        "source": config_entries.SOURCE_USER,
     }
 
     result = await hass.config_entries.flow.async_configure(
@@ -581,7 +612,7 @@ async def test_user_works(hass, controller):
     assert result["step_id"] == "pair"
 
     assert get_flow_context(hass, result) == {
-        "source": "user",
+        "source": config_entries.SOURCE_USER,
         "unique_id": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
     }
@@ -596,7 +627,7 @@ async def test_user_works(hass, controller):
 async def test_user_no_devices(hass, controller):
     """Test user initiated pairing where no devices discovered."""
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "user"}
+        "homekit_controller", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "abort"
     assert result["reason"] == "no_devices"
@@ -612,7 +643,7 @@ async def test_user_no_unpaired_devices(hass, controller):
 
     # Device discovery is requested
     result = await hass.config_entries.flow.async_init(
-        "homekit_controller", context={"source": "user"}
+        "homekit_controller", context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "abort"
@@ -626,7 +657,7 @@ async def test_unignore_works(hass, controller):
     # Device is unignored
     result = await hass.config_entries.flow.async_init(
         "homekit_controller",
-        context={"source": "unignore"},
+        context={"source": config_entries.SOURCE_UNIGNORE},
         data={"unique_id": device.device_id},
     )
     assert result["type"] == "form"
@@ -635,7 +666,7 @@ async def test_unignore_works(hass, controller):
         "hkid": "00:00:00:00:00:00",
         "title_placeholders": {"name": "TestDevice"},
         "unique_id": "00:00:00:00:00:00",
-        "source": "unignore",
+        "source": config_entries.SOURCE_UNIGNORE,
     }
 
     # User initiates pairing by clicking on 'configure' - device enters pairing mode and displays code
@@ -658,7 +689,7 @@ async def test_unignore_ignores_missing_devices(hass, controller):
     # Device is unignored
     result = await hass.config_entries.flow.async_init(
         "homekit_controller",
-        context={"source": "unignore"},
+        context={"source": config_entries.SOURCE_UNIGNORE},
         data={"unique_id": "00:00:00:00:00:01"},
     )
 
diff --git a/tests/components/homematicip_cloud/test_config_flow.py b/tests/components/homematicip_cloud/test_config_flow.py
index 0b573e66b1d..002a5540fe5 100644
--- a/tests/components/homematicip_cloud/test_config_flow.py
+++ b/tests/components/homematicip_cloud/test_config_flow.py
@@ -1,6 +1,7 @@
 """Tests for HomematicIP Cloud config flow."""
 from unittest.mock import patch
 
+from homeassistant import config_entries
 from homeassistant.components.homematicip_cloud.const import (
     DOMAIN as HMIPC_DOMAIN,
     HMIPC_AUTHTOKEN,
@@ -27,7 +28,9 @@ async def test_flow_works(hass, simple_mock_home):
         return_value=True,
     ):
         result = await hass.config_entries.flow.async_init(
-            HMIPC_DOMAIN, context={"source": "user"}, data=DEFAULT_CONFIG
+            HMIPC_DOMAIN,
+            context={"source": config_entries.SOURCE_USER},
+            data=DEFAULT_CONFIG,
         )
 
     assert result["type"] == "form"
@@ -70,7 +73,9 @@ async def test_flow_init_connection_error(hass):
         return_value=False,
     ):
         result = await hass.config_entries.flow.async_init(
-            HMIPC_DOMAIN, context={"source": "user"}, data=DEFAULT_CONFIG
+            HMIPC_DOMAIN,
+            context={"source": config_entries.SOURCE_USER},
+            data=DEFAULT_CONFIG,
         )
 
     assert result["type"] == "form"
@@ -90,7 +95,9 @@ async def test_flow_link_connection_error(hass):
         return_value=False,
     ):
         result = await hass.config_entries.flow.async_init(
-            HMIPC_DOMAIN, context={"source": "user"}, data=DEFAULT_CONFIG
+            HMIPC_DOMAIN,
+            context={"source": config_entries.SOURCE_USER},
+            data=DEFAULT_CONFIG,
         )
 
     assert result["type"] == "abort"
@@ -107,7 +114,9 @@ async def test_flow_link_press_button(hass):
         return_value=True,
     ):
         result = await hass.config_entries.flow.async_init(
-            HMIPC_DOMAIN, context={"source": "user"}, data=DEFAULT_CONFIG
+            HMIPC_DOMAIN,
+            context={"source": config_entries.SOURCE_USER},
+            data=DEFAULT_CONFIG,
         )
 
     assert result["type"] == "form"
@@ -119,7 +128,7 @@ async def test_init_flow_show_form(hass):
     """Test config flow shows up with a form."""
 
     result = await hass.config_entries.flow.async_init(
-        HMIPC_DOMAIN, context={"source": "user"}
+        HMIPC_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "init"
@@ -133,7 +142,9 @@ async def test_init_already_configured(hass):
         return_value=True,
     ):
         result = await hass.config_entries.flow.async_init(
-            HMIPC_DOMAIN, context={"source": "user"}, data=DEFAULT_CONFIG
+            HMIPC_DOMAIN,
+            context={"source": config_entries.SOURCE_USER},
+            data=DEFAULT_CONFIG,
         )
 
     assert result["type"] == "abort"
@@ -155,7 +166,9 @@ async def test_import_config(hass, simple_mock_home):
         "homeassistant.components.homematicip_cloud.hap.HomematicipHAP.async_connect",
     ):
         result = await hass.config_entries.flow.async_init(
-            HMIPC_DOMAIN, context={"source": "import"}, data=IMPORT_CONFIG
+            HMIPC_DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data=IMPORT_CONFIG,
         )
 
     assert result["type"] == "create_entry"
@@ -178,7 +191,9 @@ async def test_import_existing_config(hass):
         return_value=True,
     ):
         result = await hass.config_entries.flow.async_init(
-            HMIPC_DOMAIN, context={"source": "import"}, data=IMPORT_CONFIG
+            HMIPC_DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data=IMPORT_CONFIG,
         )
 
     assert result["type"] == "abort"
diff --git a/tests/components/hue/test_config_flow.py b/tests/components/hue/test_config_flow.py
index 12a360cdf94..3deec0988fa 100644
--- a/tests/components/hue/test_config_flow.py
+++ b/tests/components/hue/test_config_flow.py
@@ -54,7 +54,7 @@ async def test_flow_works(hass):
         return_value=[mock_bridge],
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     assert result["type"] == "form"
@@ -101,7 +101,7 @@ async def test_manual_flow_works(hass, aioclient_mock):
         return_value=[mock_bridge],
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     assert result["type"] == "form"
@@ -157,7 +157,7 @@ async def test_manual_flow_bridge_exist(hass, aioclient_mock):
         return_value=[],
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     assert result["type"] == "form"
@@ -184,7 +184,7 @@ async def test_manual_flow_no_discovered_bridges(hass, aioclient_mock):
     aioclient_mock.get(URL_NUPNP, json=[])
 
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "user"}
+        const.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "manual"
@@ -198,7 +198,7 @@ async def test_flow_all_discovered_bridges_exist(hass, aioclient_mock):
     ).add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "user"}
+        const.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -221,7 +221,7 @@ async def test_flow_bridges_discovered(hass, aioclient_mock):
     )
 
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "user"}
+        const.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "init"
@@ -248,7 +248,7 @@ async def test_flow_two_bridges_discovered_one_new(hass, aioclient_mock):
     ).add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "user"}
+        const.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -266,7 +266,7 @@ async def test_flow_timeout_discovery(hass):
         side_effect=asyncio.TimeoutError,
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     assert result["type"] == "abort"
@@ -283,7 +283,7 @@ async def test_flow_link_timeout(hass):
         return_value=[mock_bridge],
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     result = await hass.config_entries.flow.async_configure(
@@ -308,7 +308,7 @@ async def test_flow_link_unknown_error(hass):
         return_value=[mock_bridge],
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     result = await hass.config_entries.flow.async_configure(
@@ -334,7 +334,7 @@ async def test_flow_link_button_not_pressed(hass):
         return_value=[mock_bridge],
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     result = await hass.config_entries.flow.async_configure(
@@ -360,7 +360,7 @@ async def test_flow_link_unknown_host(hass):
         return_value=[mock_bridge],
     ):
         result = await hass.config_entries.flow.async_init(
-            const.DOMAIN, context={"source": "user"}
+            const.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
 
     result = await hass.config_entries.flow.async_configure(
@@ -380,7 +380,7 @@ async def test_bridge_ssdp(hass, mf_url):
     """Test a bridge being discovered."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             ssdp.ATTR_SSDP_LOCATION: "http://0.0.0.0/",
             ssdp.ATTR_UPNP_MANUFACTURER_URL: mf_url,
@@ -396,7 +396,7 @@ async def test_bridge_ssdp_discover_other_bridge(hass):
     """Test that discovery ignores other bridges."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={ssdp.ATTR_UPNP_MANUFACTURER_URL: "http://www.notphilips.com"},
     )
 
@@ -408,7 +408,7 @@ async def test_bridge_ssdp_emulated_hue(hass):
     """Test if discovery info is from an emulated hue instance."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             ssdp.ATTR_SSDP_LOCATION: "http://0.0.0.0/",
             ssdp.ATTR_UPNP_FRIENDLY_NAME: "Home Assistant Bridge",
@@ -425,7 +425,7 @@ async def test_bridge_ssdp_missing_location(hass):
     """Test if discovery info is missing a location attribute."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             ssdp.ATTR_UPNP_MANUFACTURER_URL: config_flow.HUE_MANUFACTURERURL[0],
             ssdp.ATTR_UPNP_SERIAL: "1234",
@@ -440,7 +440,7 @@ async def test_bridge_ssdp_missing_serial(hass):
     """Test if discovery info is a serial attribute."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             ssdp.ATTR_SSDP_LOCATION: "http://0.0.0.0/",
             ssdp.ATTR_UPNP_MANUFACTURER_URL: config_flow.HUE_MANUFACTURERURL[0],
@@ -455,7 +455,7 @@ async def test_bridge_ssdp_espalexa(hass):
     """Test if discovery info is from an Espalexa based device."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             ssdp.ATTR_SSDP_LOCATION: "http://0.0.0.0/",
             ssdp.ATTR_UPNP_FRIENDLY_NAME: "Espalexa (0.0.0.0)",
@@ -476,7 +476,7 @@ async def test_bridge_ssdp_already_configured(hass):
 
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             ssdp.ATTR_SSDP_LOCATION: "http://0.0.0.0/",
             ssdp.ATTR_UPNP_MANUFACTURER_URL: config_flow.HUE_MANUFACTURERURL[0],
@@ -492,7 +492,7 @@ async def test_import_with_no_config(hass):
     """Test importing a host without an existing config file."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={"host": "0.0.0.0"},
     )
 
@@ -531,7 +531,9 @@ async def test_creating_entry_removes_entries_for_same_host_or_bridge(hass):
         return_value=bridge,
     ):
         result = await hass.config_entries.flow.async_init(
-            "hue", data={"host": "2.2.2.2"}, context={"source": "import"}
+            "hue",
+            data={"host": "2.2.2.2"},
+            context={"source": config_entries.SOURCE_IMPORT},
         )
 
     assert result["type"] == "form"
@@ -561,7 +563,7 @@ async def test_bridge_homekit(hass, aioclient_mock):
 
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={
             "host": "0.0.0.0",
             "serial": "1234",
@@ -589,7 +591,7 @@ async def test_bridge_import_already_configured(hass):
 
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={"host": "0.0.0.0", "properties": {"id": "aa:bb:cc:dd:ee:ff"}},
     )
 
@@ -605,7 +607,7 @@ async def test_bridge_homekit_already_configured(hass):
 
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"host": "0.0.0.0", "properties": {"id": "aa:bb:cc:dd:ee:ff"}},
     )
 
@@ -622,7 +624,7 @@ async def test_ssdp_discovery_update_configuration(hass):
 
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             ssdp.ATTR_SSDP_LOCATION: "http://1.1.1.1/",
             ssdp.ATTR_UPNP_MANUFACTURER_URL: config_flow.HUE_MANUFACTURERURL[0],
diff --git a/tests/components/hunterdouglas_powerview/test_config_flow.py b/tests/components/hunterdouglas_powerview/test_config_flow.py
index 442cd42f0bc..f88e65ff854 100644
--- a/tests/components/hunterdouglas_powerview/test_config_flow.py
+++ b/tests/components/hunterdouglas_powerview/test_config_flow.py
@@ -69,7 +69,9 @@ async def test_form_homekit(hass):
     """Test we get the form with homekit source."""
     await setup.async_setup_component(hass, "persistent_notification", {})
 
-    ignored_config_entry = MockConfigEntry(domain=DOMAIN, data={}, source="ignore")
+    ignored_config_entry = MockConfigEntry(
+        domain=DOMAIN, data={}, source=config_entries.SOURCE_IGNORE
+    )
     ignored_config_entry.add_to_hass(hass)
 
     mock_powerview_userdata = _get_mock_powerview_userdata()
@@ -79,7 +81,7 @@ async def test_form_homekit(hass):
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "homekit"},
+            context={"source": config_entries.SOURCE_HOMEKIT},
             data={
                 "host": "1.2.3.4",
                 "properties": {"id": "AA::BB::CC::DD::EE::FF"},
@@ -114,7 +116,7 @@ async def test_form_homekit(hass):
 
     result3 = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={
             "host": "1.2.3.4",
             "properties": {"id": "AA::BB::CC::DD::EE::FF"},
diff --git a/tests/components/hvv_departures/test_config_flow.py b/tests/components/hvv_departures/test_config_flow.py
index 3773dbb5967..2042c6b95d1 100644
--- a/tests/components/hvv_departures/test_config_flow.py
+++ b/tests/components/hvv_departures/test_config_flow.py
@@ -255,7 +255,7 @@ async def test_options_flow(hass):
         domain=DOMAIN,
         title="Wartenau",
         data=FIXTURE_CONFIG_ENTRY,
-        source="user",
+        source=SOURCE_USER,
         connection_class=CONN_CLASS_CLOUD_POLL,
         system_options={"disable_new_entities": False},
         options=FIXTURE_OPTIONS,
@@ -306,7 +306,7 @@ async def test_options_flow_invalid_auth(hass):
         domain=DOMAIN,
         title="Wartenau",
         data=FIXTURE_CONFIG_ENTRY,
-        source="user",
+        source=SOURCE_USER,
         connection_class=CONN_CLASS_CLOUD_POLL,
         system_options={"disable_new_entities": False},
         options=FIXTURE_OPTIONS,
@@ -347,7 +347,7 @@ async def test_options_flow_cannot_connect(hass):
         domain=DOMAIN,
         title="Wartenau",
         data=FIXTURE_CONFIG_ENTRY,
-        source="user",
+        source=SOURCE_USER,
         connection_class=CONN_CLASS_CLOUD_POLL,
         system_options={"disable_new_entities": False},
         options=FIXTURE_OPTIONS,
diff --git a/tests/components/ifttt/test_init.py b/tests/components/ifttt/test_init.py
index 41885f0cd26..077fb6d7470 100644
--- a/tests/components/ifttt/test_init.py
+++ b/tests/components/ifttt/test_init.py
@@ -1,5 +1,5 @@
 """Test the init file of IFTTT."""
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import ifttt
 from homeassistant.config import async_process_ha_core_config
 from homeassistant.core import callback
@@ -13,7 +13,7 @@ async def test_config_flow_registers_webhook(hass, aiohttp_client):
     )
 
     result = await hass.config_entries.flow.async_init(
-        "ifttt", context={"source": "user"}
+        "ifttt", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/islamic_prayer_times/test_config_flow.py b/tests/components/islamic_prayer_times/test_config_flow.py
index b7a942e4f14..842a877e292 100644
--- a/tests/components/islamic_prayer_times/test_config_flow.py
+++ b/tests/components/islamic_prayer_times/test_config_flow.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import islamic_prayer_times
 from homeassistant.components.islamic_prayer_times.const import CONF_CALC_METHOD, DOMAIN
 
@@ -23,7 +23,7 @@ def mock_setup():
 async def test_flow_works(hass):
     """Test user config."""
     result = await hass.config_entries.flow.async_init(
-        islamic_prayer_times.DOMAIN, context={"source": "user"}
+        islamic_prayer_times.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -62,7 +62,7 @@ async def test_import(hass):
     """Test import step."""
     result = await hass.config_entries.flow.async_init(
         islamic_prayer_times.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={CONF_CALC_METHOD: "makkah"},
     )
 
@@ -80,7 +80,7 @@ async def test_integration_already_configured(hass):
     )
     entry.add_to_hass(hass)
     result = await hass.config_entries.flow.async_init(
-        islamic_prayer_times.DOMAIN, context={"source": "user"}
+        islamic_prayer_times.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
diff --git a/tests/components/keenetic_ndms2/test_config_flow.py b/tests/components/keenetic_ndms2/test_config_flow.py
index b96448101cf..7561fb03839 100644
--- a/tests/components/keenetic_ndms2/test_config_flow.py
+++ b/tests/components/keenetic_ndms2/test_config_flow.py
@@ -136,7 +136,7 @@ async def test_host_already_configured(hass, connect):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        keenetic.DOMAIN, context={"source": "user"}
+        keenetic.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     result2 = await hass.config_entries.flow.async_configure(
@@ -151,7 +151,7 @@ async def test_connection_error(hass, connect_error):
     """Test error when connection is unsuccessful."""
 
     result = await hass.config_entries.flow.async_init(
-        keenetic.DOMAIN, context={"source": "user"}
+        keenetic.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], user_input=MOCK_DATA
diff --git a/tests/components/kodi/test_config_flow.py b/tests/components/kodi/test_config_flow.py
index 8b8bcf7e88a..5ffa231239b 100644
--- a/tests/components/kodi/test_config_flow.py
+++ b/tests/components/kodi/test_config_flow.py
@@ -411,7 +411,9 @@ async def test_discovery(hass):
         return_value=MockConnection(),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+            DOMAIN,
+            context={"source": config_entries.SOURCE_ZEROCONF},
+            data=TEST_DISCOVERY,
         )
 
     assert result["type"] == "form"
@@ -450,7 +452,9 @@ async def test_discovery_cannot_connect_http(hass):
         return_value=MockConnection(),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+            DOMAIN,
+            context={"source": config_entries.SOURCE_ZEROCONF},
+            data=TEST_DISCOVERY,
         )
 
     assert result["type"] == "abort"
@@ -471,7 +475,9 @@ async def test_discovery_cannot_connect_ws(hass):
         new=get_kodi_connection,
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+            DOMAIN,
+            context={"source": config_entries.SOURCE_ZEROCONF},
+            data=TEST_DISCOVERY,
         )
 
     assert result["type"] == "form"
@@ -489,7 +495,9 @@ async def test_discovery_exception_http(hass, user_flow):
         return_value=MockConnection(),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+            DOMAIN,
+            context={"source": config_entries.SOURCE_ZEROCONF},
+            data=TEST_DISCOVERY,
         )
 
     assert result["type"] == "abort"
@@ -506,7 +514,9 @@ async def test_discovery_invalid_auth(hass):
         return_value=MockConnection(),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+            DOMAIN,
+            context={"source": config_entries.SOURCE_ZEROCONF},
+            data=TEST_DISCOVERY,
         )
 
     assert result["type"] == "form"
@@ -524,14 +534,16 @@ async def test_discovery_duplicate_data(hass):
         return_value=MockConnection(),
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+            DOMAIN,
+            context={"source": config_entries.SOURCE_ZEROCONF},
+            data=TEST_DISCOVERY,
         )
 
     assert result["type"] == "form"
     assert result["step_id"] == "discovery_confirm"
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+        DOMAIN, context={"source": config_entries.SOURCE_ZEROCONF}, data=TEST_DISCOVERY
     )
 
     assert result["type"] == "abort"
@@ -549,7 +561,7 @@ async def test_discovery_updates_unique_id(hass):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+        DOMAIN, context={"source": config_entries.SOURCE_ZEROCONF}, data=TEST_DISCOVERY
     )
 
     assert result["type"] == "abort"
@@ -563,7 +575,9 @@ async def test_discovery_updates_unique_id(hass):
 async def test_discovery_without_unique_id(hass):
     """Test a discovery flow with no unique id aborts."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY_WO_UUID
+        DOMAIN,
+        context={"source": config_entries.SOURCE_ZEROCONF},
+        data=TEST_DISCOVERY_WO_UUID,
     )
 
     assert result["type"] == "abort"
diff --git a/tests/components/konnected/test_config_flow.py b/tests/components/konnected/test_config_flow.py
index 4b5cc602f99..36f582fcb57 100644
--- a/tests/components/konnected/test_config_flow.py
+++ b/tests/components/konnected/test_config_flow.py
@@ -3,6 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components import konnected
 from homeassistant.components.konnected import config_flow
 
@@ -28,7 +29,7 @@ async def mock_panel_fixture():
 async def test_flow_works(hass, mock_panel):
     """Test config flow ."""
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user"}
+        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -65,7 +66,7 @@ async def test_flow_works(hass, mock_panel):
 async def test_pro_flow_works(hass, mock_panel):
     """Test config flow ."""
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user"}
+        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -110,7 +111,7 @@ async def test_ssdp(hass, mock_panel):
 
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             "ssdp_location": "http://1.2.3.4:1234/Device.xml",
             "manufacturer": config_flow.KONN_MANUFACTURER,
@@ -137,7 +138,7 @@ async def test_import_no_host_user_finish(hass, mock_panel):
 
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={
             "default_options": {
                 "blink": True,
@@ -204,7 +205,7 @@ async def test_import_ssdp_host_user_finish(hass, mock_panel):
 
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={
             "default_options": {
                 "blink": True,
@@ -238,7 +239,7 @@ async def test_import_ssdp_host_user_finish(hass, mock_panel):
     # discover the panel via ssdp
     ssdp_result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             "ssdp_location": "http://0.0.0.0:1234/Device.xml",
             "manufacturer": config_flow.KONN_MANUFACTURER,
@@ -281,7 +282,7 @@ async def test_ssdp_already_configured(hass, mock_panel):
 
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             "ssdp_location": "http://0.0.0.0:1234/Device.xml",
             "manufacturer": config_flow.KONN_MANUFACTURER,
@@ -357,7 +358,7 @@ async def test_ssdp_host_update(hass, mock_panel):
 
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "ssdp"},
+        context={"source": config_entries.SOURCE_SSDP},
         data={
             "ssdp_location": "http://1.1.1.1:1234/Device.xml",
             "manufacturer": config_flow.KONN_MANUFACTURER,
@@ -382,7 +383,7 @@ async def test_import_existing_config(hass, mock_panel):
 
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data=konnected.DEVICE_SCHEMA_YAML(
             {
                 "host": "1.2.3.4",
@@ -515,7 +516,7 @@ async def test_import_existing_config_entry(hass, mock_panel):
     hass.data[config_flow.DOMAIN] = {"access_token": "SUPERSECRETTOKEN"}
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={
             "host": "1.2.3.4",
             "port": 1234,
@@ -573,7 +574,7 @@ async def test_import_pin_config(hass, mock_panel):
 
     result = await hass.config_entries.flow.async_init(
         config_flow.DOMAIN,
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data=konnected.DEVICE_SCHEMA_YAML(
             {
                 "host": "1.2.3.4",
diff --git a/tests/components/litejet/test_config_flow.py b/tests/components/litejet/test_config_flow.py
index 015ba1c6494..1d72324f484 100644
--- a/tests/components/litejet/test_config_flow.py
+++ b/tests/components/litejet/test_config_flow.py
@@ -3,6 +3,7 @@ from unittest.mock import patch
 
 from serial import SerialException
 
+from homeassistant import config_entries
 from homeassistant.components.litejet.const import DOMAIN
 from homeassistant.const import CONF_PORT
 
@@ -12,7 +13,7 @@ from tests.common import MockConfigEntry
 async def test_show_config_form(hass):
     """Test show configuration form."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -24,7 +25,7 @@ async def test_create_entry(hass, mock_litejet):
     test_data = {CONF_PORT: "/dev/test"}
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=test_data
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
     )
 
     assert result["type"] == "create_entry"
@@ -43,7 +44,7 @@ async def test_flow_entry_already_exists(hass):
     test_data = {CONF_PORT: "/dev/test"}
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=test_data
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
     )
 
     assert result["type"] == "abort"
@@ -58,7 +59,7 @@ async def test_flow_open_failed(hass):
         mock_pylitejet.side_effect = SerialException
 
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=test_data
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
         )
 
     assert result["type"] == "form"
@@ -69,7 +70,7 @@ async def test_import_step(hass):
     """Test initializing via import step."""
     test_data = {CONF_PORT: "/dev/imported"}
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "import"}, data=test_data
+        DOMAIN, context={"source": config_entries.SOURCE_IMPORT}, data=test_data
     )
 
     assert result["type"] == "create_entry"
diff --git a/tests/components/locative/test_init.py b/tests/components/locative/test_init.py
index d183cb9814a..bd39ec42978 100644
--- a/tests/components/locative/test_init.py
+++ b/tests/components/locative/test_init.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import locative
 from homeassistant.components.device_tracker import DOMAIN as DEVICE_TRACKER_DOMAIN
 from homeassistant.components.locative import DOMAIN, TRACKER_UPDATE
@@ -39,7 +39,7 @@ async def webhook_id(hass, locative_client):
         {"internal_url": "http://example.local:8123"},
     )
     result = await hass.config_entries.flow.async_init(
-        "locative", context={"source": "user"}
+        "locative", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/lutron_caseta/test_config_flow.py b/tests/components/lutron_caseta/test_config_flow.py
index e65eb9d5f47..14adefc37db 100644
--- a/tests/components/lutron_caseta/test_config_flow.py
+++ b/tests/components/lutron_caseta/test_config_flow.py
@@ -197,7 +197,9 @@ async def test_already_configured_with_ignored(hass):
     """Test ignored entries do not break checking for existing entries."""
     await setup.async_setup_component(hass, "persistent_notification", {})
 
-    config_entry = MockConfigEntry(domain=DOMAIN, data={}, source="ignore")
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data={}, source=config_entries.SOURCE_IGNORE
+    )
     config_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
diff --git a/tests/components/lyric/test_config_flow.py b/tests/components/lyric/test_config_flow.py
index 71fb473127d..f5f41da08fd 100644
--- a/tests/components/lyric/test_config_flow.py
+++ b/tests/components/lyric/test_config_flow.py
@@ -160,7 +160,7 @@ async def test_reauthentication_flow(
     old_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=old_entry.data
+        DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=old_entry.data
     )
 
     flows = hass.config_entries.flow.async_progress()
diff --git a/tests/components/mailgun/test_init.py b/tests/components/mailgun/test_init.py
index fd244d87a8f..bf0df205c93 100644
--- a/tests/components/mailgun/test_init.py
+++ b/tests/components/mailgun/test_init.py
@@ -4,7 +4,7 @@ import hmac
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import mailgun, webhook
 from homeassistant.config import async_process_ha_core_config
 from homeassistant.const import CONF_API_KEY, CONF_DOMAIN
@@ -35,7 +35,7 @@ async def webhook_id_with_api_key(hass):
         {"internal_url": "http://example.local:8123"},
     )
     result = await hass.config_entries.flow.async_init(
-        "mailgun", context={"source": "user"}
+        "mailgun", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
@@ -55,7 +55,7 @@ async def webhook_id_without_api_key(hass):
         {"internal_url": "http://example.local:8123"},
     )
     result = await hass.config_entries.flow.async_init(
-        "mailgun", context={"source": "user"}
+        "mailgun", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/mazda/test_config_flow.py b/tests/components/mazda/test_config_flow.py
index 06cb0e15d09..f6ea8c73a9b 100644
--- a/tests/components/mazda/test_config_flow.py
+++ b/tests/components/mazda/test_config_flow.py
@@ -199,7 +199,10 @@ async def test_reauth_flow(hass: HomeAssistant) -> None:
 
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "entry_id": mock_config.entry_id},
+            context={
+                "source": config_entries.SOURCE_REAUTH,
+                "entry_id": mock_config.entry_id,
+            },
             data=FIXTURE_USER_INPUT,
         )
 
@@ -239,7 +242,10 @@ async def test_reauth_authorization_error(hass: HomeAssistant) -> None:
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "entry_id": mock_config.entry_id},
+            context={
+                "source": config_entries.SOURCE_REAUTH,
+                "entry_id": mock_config.entry_id,
+            },
             data=FIXTURE_USER_INPUT,
         )
 
@@ -275,7 +281,10 @@ async def test_reauth_account_locked(hass: HomeAssistant) -> None:
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "entry_id": mock_config.entry_id},
+            context={
+                "source": config_entries.SOURCE_REAUTH,
+                "entry_id": mock_config.entry_id,
+            },
             data=FIXTURE_USER_INPUT,
         )
 
@@ -311,7 +320,10 @@ async def test_reauth_connection_error(hass: HomeAssistant) -> None:
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "entry_id": mock_config.entry_id},
+            context={
+                "source": config_entries.SOURCE_REAUTH,
+                "entry_id": mock_config.entry_id,
+            },
             data=FIXTURE_USER_INPUT,
         )
 
@@ -347,7 +359,10 @@ async def test_reauth_unknown_error(hass: HomeAssistant) -> None:
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "entry_id": mock_config.entry_id},
+            context={
+                "source": config_entries.SOURCE_REAUTH,
+                "entry_id": mock_config.entry_id,
+            },
             data=FIXTURE_USER_INPUT,
         )
 
@@ -383,7 +398,10 @@ async def test_reauth_user_has_new_email_address(hass: HomeAssistant) -> None:
     ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "entry_id": mock_config.entry_id},
+            context={
+                "source": config_entries.SOURCE_REAUTH,
+                "entry_id": mock_config.entry_id,
+            },
             data=FIXTURE_USER_INPUT,
         )
 
diff --git a/tests/components/met/test_config_flow.py b/tests/components/met/test_config_flow.py
index 25e123f67e8..ff5deb18194 100644
--- a/tests/components/met/test_config_flow.py
+++ b/tests/components/met/test_config_flow.py
@@ -3,6 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components.met.const import DOMAIN, HOME_LOCATION_NAME
 from homeassistant.config import async_process_ha_core_config
 from homeassistant.const import CONF_ELEVATION, CONF_LATITUDE, CONF_LONGITUDE
@@ -20,7 +21,7 @@ def met_setup_fixture():
 async def test_show_config_form(hass):
     """Test show configuration form."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -38,7 +39,7 @@ async def test_flow_with_home_location(hass):
     hass.config.elevation = 3
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -61,7 +62,7 @@ async def test_create_entry(hass):
     }
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=test_data
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
     )
 
     assert result["type"] == "create_entry"
@@ -89,7 +90,7 @@ async def test_flow_entry_already_exists(hass):
     }
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=test_data
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
     )
 
     assert result["type"] == "form"
@@ -136,7 +137,7 @@ async def test_import_step(hass):
         "track_home": True,
     }
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "import"}, data=test_data
+        DOMAIN, context={"source": config_entries.SOURCE_IMPORT}, data=test_data
     )
 
     assert result["type"] == "create_entry"
diff --git a/tests/components/met/test_weather.py b/tests/components/met/test_weather.py
index 32f36d09630..8ffa4076b8a 100644
--- a/tests/components/met/test_weather.py
+++ b/tests/components/met/test_weather.py
@@ -1,5 +1,6 @@
 """Test Met weather entity."""
 
+from homeassistant import config_entries
 from homeassistant.components.met import DOMAIN
 from homeassistant.components.weather import DOMAIN as WEATHER_DOMAIN
 from homeassistant.helpers import entity_registry as er
@@ -55,7 +56,7 @@ async def test_not_tracking_home(hass, mock_weather):
 
     await hass.config_entries.flow.async_init(
         "met",
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
         data={"name": "Somewhere", "latitude": 10, "longitude": 20, "elevation": 0},
     )
     await hass.async_block_till_done()
diff --git a/tests/components/mikrotik/test_config_flow.py b/tests/components/mikrotik/test_config_flow.py
index c884315f400..411408e8c98 100644
--- a/tests/components/mikrotik/test_config_flow.py
+++ b/tests/components/mikrotik/test_config_flow.py
@@ -5,7 +5,7 @@ from unittest.mock import patch
 import librouteros
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import mikrotik
 from homeassistant.const import (
     CONF_HOST,
@@ -81,7 +81,9 @@ def mock_api_connection_error():
 async def test_import(hass, api):
     """Test import step."""
     result = await hass.config_entries.flow.async_init(
-        mikrotik.DOMAIN, context={"source": "import"}, data=DEMO_CONFIG
+        mikrotik.DOMAIN,
+        context={"source": config_entries.SOURCE_IMPORT},
+        data=DEMO_CONFIG,
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
@@ -98,7 +100,7 @@ async def test_flow_works(hass, api):
     """Test config flow."""
 
     result = await hass.config_entries.flow.async_init(
-        mikrotik.DOMAIN, context={"source": "user"}
+        mikrotik.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -150,7 +152,7 @@ async def test_host_already_configured(hass, auth_error):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        mikrotik.DOMAIN, context={"source": "user"}
+        mikrotik.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], user_input=DEMO_USER_INPUT
@@ -168,7 +170,7 @@ async def test_name_exists(hass, api):
     user_input[CONF_HOST] = "0.0.0.1"
 
     result = await hass.config_entries.flow.async_init(
-        mikrotik.DOMAIN, context={"source": "user"}
+        mikrotik.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], user_input=user_input
@@ -182,7 +184,7 @@ async def test_connection_error(hass, conn_error):
     """Test error when connection is unsuccessful."""
 
     result = await hass.config_entries.flow.async_init(
-        mikrotik.DOMAIN, context={"source": "user"}
+        mikrotik.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], user_input=DEMO_USER_INPUT
@@ -195,7 +197,7 @@ async def test_wrong_credentials(hass, auth_error):
     """Test error when credentials are wrong."""
 
     result = await hass.config_entries.flow.async_init(
-        mikrotik.DOMAIN, context={"source": "user"}
+        mikrotik.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     result = await hass.config_entries.flow.async_configure(
         result["flow_id"], user_input=DEMO_USER_INPUT
diff --git a/tests/components/mill/test_config_flow.py b/tests/components/mill/test_config_flow.py
index ee565d32211..ce35b3d9708 100644
--- a/tests/components/mill/test_config_flow.py
+++ b/tests/components/mill/test_config_flow.py
@@ -3,6 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components.mill.const import DOMAIN
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 
@@ -19,7 +20,7 @@ def mill_setup_fixture():
 async def test_show_config_form(hass):
     """Test show configuration form."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -35,7 +36,7 @@ async def test_create_entry(hass):
 
     with patch("mill.Mill.connect", return_value=True):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=test_data
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
         )
 
     assert result["type"] == "create_entry"
@@ -60,7 +61,7 @@ async def test_flow_entry_already_exists(hass):
 
     with patch("mill.Mill.connect", return_value=True):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=test_data
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
         )
 
     assert result["type"] == "abort"
@@ -84,7 +85,7 @@ async def test_connection_error(hass):
 
     with patch("mill.Mill.connect", return_value=False):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=test_data
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
         )
 
     assert result["type"] == "form"
diff --git a/tests/components/mqtt/test_config_flow.py b/tests/components/mqtt/test_config_flow.py
index b41a446a8c0..55bacb0ef91 100644
--- a/tests/components/mqtt/test_config_flow.py
+++ b/tests/components/mqtt/test_config_flow.py
@@ -5,7 +5,7 @@ from unittest.mock import patch
 import pytest
 import voluptuous as vol
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import mqtt
 from homeassistant.setup import async_setup_component
 
@@ -33,7 +33,7 @@ async def test_user_connection_works(hass, mock_try_connection, mock_finish_setu
     mock_try_connection.return_value = True
 
     result = await hass.config_entries.flow.async_init(
-        "mqtt", context={"source": "user"}
+        "mqtt", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
 
@@ -58,7 +58,7 @@ async def test_user_connection_fails(hass, mock_try_connection, mock_finish_setu
     mock_try_connection.return_value = False
 
     result = await hass.config_entries.flow.async_init(
-        "mqtt", context={"source": "user"}
+        "mqtt", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
 
@@ -84,7 +84,7 @@ async def test_manual_config_set(hass, mock_try_connection, mock_finish_setup):
     mock_try_connection.return_value = True
 
     result = await hass.config_entries.flow.async_init(
-        "mqtt", context={"source": "user"}
+        "mqtt", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "abort"
 
@@ -94,7 +94,7 @@ async def test_user_single_instance(hass):
     MockConfigEntry(domain="mqtt").add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        "mqtt", context={"source": "user"}
+        "mqtt", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "abort"
     assert result["reason"] == "single_instance_allowed"
@@ -105,7 +105,7 @@ async def test_hassio_single_instance(hass):
     MockConfigEntry(domain="mqtt").add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        "mqtt", context={"source": "hassio"}
+        "mqtt", context={"source": config_entries.SOURCE_HASSIO}
     )
     assert result["type"] == "abort"
     assert result["reason"] == "single_instance_allowed"
@@ -125,7 +125,7 @@ async def test_hassio_confirm(hass, mock_try_connection, mock_finish_setup):
             "password": "mock-pass",
             "protocol": "3.1.1",
         },
-        context={"source": "hassio"},
+        context={"source": config_entries.SOURCE_HASSIO},
     )
     assert result["type"] == "form"
     assert result["step_id"] == "hassio_confirm"
diff --git a/tests/components/myq/test_config_flow.py b/tests/components/myq/test_config_flow.py
index bbfa090b01c..683b6beab8a 100644
--- a/tests/components/myq/test_config_flow.py
+++ b/tests/components/myq/test_config_flow.py
@@ -88,7 +88,7 @@ async def test_form_homekit(hass):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
     )
     assert result["type"] == "form"
@@ -107,7 +107,7 @@ async def test_form_homekit(hass):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
     )
     assert result["type"] == "abort"
diff --git a/tests/components/netatmo/test_config_flow.py b/tests/components/netatmo/test_config_flow.py
index 03c751aae96..6bd8086c820 100644
--- a/tests/components/netatmo/test_config_flow.py
+++ b/tests/components/netatmo/test_config_flow.py
@@ -36,7 +36,7 @@ async def test_abort_if_existing_entry(hass):
 
     result = await hass.config_entries.flow.async_init(
         "netatmo",
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"host": "0.0.0.0", "properties": {"id": "aa:bb:cc:dd:ee:ff"}},
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
diff --git a/tests/components/onewire/__init__.py b/tests/components/onewire/__init__.py
index fdc0c7fe12c..088c6a3ad11 100644
--- a/tests/components/onewire/__init__.py
+++ b/tests/components/onewire/__init__.py
@@ -14,7 +14,7 @@ from homeassistant.components.onewire.const import (
     DEFAULT_SYSBUS_MOUNT_DIR,
     DOMAIN,
 )
-from homeassistant.config_entries import CONN_CLASS_LOCAL_POLL
+from homeassistant.config_entries import CONN_CLASS_LOCAL_POLL, SOURCE_USER
 from homeassistant.const import CONF_HOST, CONF_PORT, CONF_TYPE
 
 from .const import MOCK_OWPROXY_DEVICES, MOCK_SYSBUS_DEVICES
@@ -26,7 +26,7 @@ async def setup_onewire_sysbus_integration(hass):
     """Create the 1-Wire integration."""
     config_entry = MockConfigEntry(
         domain=DOMAIN,
-        source="user",
+        source=SOURCE_USER,
         data={
             CONF_TYPE: CONF_TYPE_SYSBUS,
             CONF_MOUNT_DIR: DEFAULT_SYSBUS_MOUNT_DIR,
@@ -51,7 +51,7 @@ async def setup_onewire_owserver_integration(hass):
     """Create the 1-Wire integration."""
     config_entry = MockConfigEntry(
         domain=DOMAIN,
-        source="user",
+        source=SOURCE_USER,
         data={
             CONF_TYPE: CONF_TYPE_OWSERVER,
             CONF_HOST: "1.2.3.4",
@@ -76,7 +76,7 @@ async def setup_onewire_patched_owserver_integration(hass):
     """Create the 1-Wire integration."""
     config_entry = MockConfigEntry(
         domain=DOMAIN,
-        source="user",
+        source=SOURCE_USER,
         data={
             CONF_TYPE: CONF_TYPE_OWSERVER,
             CONF_HOST: "1.2.3.4",
diff --git a/tests/components/onewire/test_init.py b/tests/components/onewire/test_init.py
index 5783b241a2f..21e512a2229 100644
--- a/tests/components/onewire/test_init.py
+++ b/tests/components/onewire/test_init.py
@@ -10,6 +10,7 @@ from homeassistant.config_entries import (
     ENTRY_STATE_LOADED,
     ENTRY_STATE_NOT_LOADED,
     ENTRY_STATE_SETUP_RETRY,
+    SOURCE_USER,
 )
 from homeassistant.const import CONF_HOST, CONF_PORT, CONF_TYPE
 from homeassistant.helpers import device_registry as dr, entity_registry as er
@@ -29,7 +30,7 @@ async def test_owserver_connect_failure(hass):
     """Test connection failure raises ConfigEntryNotReady."""
     config_entry_owserver = MockConfigEntry(
         domain=DOMAIN,
-        source="user",
+        source=SOURCE_USER,
         data={
             CONF_TYPE: CONF_TYPE_OWSERVER,
             CONF_HOST: "1.2.3.4",
@@ -58,7 +59,7 @@ async def test_failed_owserver_listing(hass):
     """Create the 1-Wire integration."""
     config_entry_owserver = MockConfigEntry(
         domain=DOMAIN,
-        source="user",
+        source=SOURCE_USER,
         data={
             CONF_TYPE: CONF_TYPE_OWSERVER,
             CONF_HOST: "1.2.3.4",
diff --git a/tests/components/onvif/test_config_flow.py b/tests/components/onvif/test_config_flow.py
index 1802d211348..a8827247689 100644
--- a/tests/components/onvif/test_config_flow.py
+++ b/tests/components/onvif/test_config_flow.py
@@ -137,7 +137,7 @@ async def setup_onvif_integration(
     options=None,
     unique_id=MAC,
     entry_id="1",
-    source="user",
+    source=config_entries.SOURCE_USER,
 ):
     """Create an ONVIF config entry."""
     if not config:
@@ -180,7 +180,7 @@ async def test_flow_discovered_devices(hass):
     """Test that config flow works for discovered devices."""
 
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user"}
+        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -245,7 +245,7 @@ async def test_flow_discovered_devices_ignore_configured_manual_input(hass):
     await setup_onvif_integration(hass)
 
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user"}
+        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -296,7 +296,7 @@ async def test_flow_discovery_ignore_existing_and_abort(hass):
     )
 
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user"}
+        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -348,7 +348,7 @@ async def test_flow_discovery_ignore_existing_and_abort(hass):
 async def test_flow_manual_entry(hass):
     """Test that config flow works for discovered devices."""
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user"}
+        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
diff --git a/tests/components/ovo_energy/test_config_flow.py b/tests/components/ovo_energy/test_config_flow.py
index d5ee8c6d3d9..a8f0c098aba 100644
--- a/tests/components/ovo_energy/test_config_flow.py
+++ b/tests/components/ovo_energy/test_config_flow.py
@@ -105,7 +105,9 @@ async def test_reauth_authorization_error(hass: HomeAssistant) -> None:
         return_value=False,
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=FIXTURE_USER_INPUT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH},
+            data=FIXTURE_USER_INPUT,
         )
 
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -129,7 +131,9 @@ async def test_reauth_connection_error(hass: HomeAssistant) -> None:
         side_effect=aiohttp.ClientError,
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=FIXTURE_USER_INPUT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH},
+            data=FIXTURE_USER_INPUT,
         )
 
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -158,7 +162,9 @@ async def test_reauth_flow(hass: HomeAssistant) -> None:
         mock_config.add_to_hass(hass)
 
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth"}, data=FIXTURE_USER_INPUT
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH},
+            data=FIXTURE_USER_INPUT,
         )
 
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
diff --git a/tests/components/owntracks/test_config_flow.py b/tests/components/owntracks/test_config_flow.py
index d6ac059ce26..93d4bf5385b 100644
--- a/tests/components/owntracks/test_config_flow.py
+++ b/tests/components/owntracks/test_config_flow.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.owntracks import config_flow
 from homeassistant.components.owntracks.config_flow import CONF_CLOUDHOOK, CONF_SECRET
 from homeassistant.components.owntracks.const import DOMAIN
@@ -143,7 +143,7 @@ async def test_unload(hass):
         "homeassistant.config_entries.ConfigEntries.async_forward_entry_setup"
     ) as mock_forward:
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "import"}, data={}
+            DOMAIN, context={"source": config_entries.SOURCE_IMPORT}, data={}
         )
 
     assert len(mock_forward.mock_calls) == 1
@@ -175,7 +175,7 @@ async def test_with_cloud_sub(hass):
         return_value="https://hooks.nabu.casa/ABCD",
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data={}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data={}
         )
 
     entry = result["result"]
diff --git a/tests/components/plex/test_config_flow.py b/tests/components/plex/test_config_flow.py
index e0555bab0e8..d5209201d94 100644
--- a/tests/components/plex/test_config_flow.py
+++ b/tests/components/plex/test_config_flow.py
@@ -26,6 +26,7 @@ from homeassistant.config_entries import (
     ENTRY_STATE_LOADED,
     SOURCE_INTEGRATION_DISCOVERY,
     SOURCE_REAUTH,
+    SOURCE_USER,
 )
 from homeassistant.const import (
     CONF_HOST,
@@ -52,7 +53,7 @@ async def test_bad_credentials(hass):
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -85,7 +86,7 @@ async def test_bad_hostname(hass, mock_plex_calls):
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -119,7 +120,7 @@ async def test_unknown_exception(hass):
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -150,7 +151,7 @@ async def test_no_servers_found(hass, mock_plex_calls, requests_mock, empty_payl
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -181,7 +182,7 @@ async def test_single_available_server(hass, mock_plex_calls):
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -226,7 +227,7 @@ async def test_multiple_servers_with_selection(
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -290,7 +291,7 @@ async def test_adding_last_unconfigured_server(
     ).add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -350,7 +351,7 @@ async def test_all_available_servers_configured(
     ).add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -478,7 +479,7 @@ async def test_external_timed_out(hass):
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -508,7 +509,7 @@ async def test_callback_view(hass, aiohttp_client):
     )
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -545,7 +546,7 @@ async def test_manual_config(hass, mock_plex_calls):
 
     # Basic mode
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user"}
+        config_flow.DOMAIN, context={"source": SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -555,7 +556,8 @@ async def test_manual_config(hass, mock_plex_calls):
 
     # Advanced automatic
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user", "show_advanced_options": True}
+        config_flow.DOMAIN,
+        context={"source": SOURCE_USER, "show_advanced_options": True},
     )
 
     assert result["data_schema"] is not None
@@ -572,7 +574,8 @@ async def test_manual_config(hass, mock_plex_calls):
 
     # Advanced manual
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user", "show_advanced_options": True}
+        config_flow.DOMAIN,
+        context={"source": SOURCE_USER, "show_advanced_options": True},
     )
 
     assert result["data_schema"] is not None
@@ -668,7 +671,8 @@ async def test_manual_config_with_token(hass, mock_plex_calls):
     """Test creating via manual configuration with only token."""
 
     result = await hass.config_entries.flow.async_init(
-        config_flow.DOMAIN, context={"source": "user", "show_advanced_options": True}
+        config_flow.DOMAIN,
+        context={"source": SOURCE_USER, "show_advanced_options": True},
     )
 
     assert result["type"] == "form"
diff --git a/tests/components/powerwall/test_config_flow.py b/tests/components/powerwall/test_config_flow.py
index 407a63bac23..61230f59e52 100644
--- a/tests/components/powerwall/test_config_flow.py
+++ b/tests/components/powerwall/test_config_flow.py
@@ -159,7 +159,9 @@ async def test_already_configured_with_ignored(hass):
     """Test ignored entries do not break checking for existing entries."""
     await setup.async_setup_component(hass, "persistent_notification", {})
 
-    config_entry = MockConfigEntry(domain=DOMAIN, data={}, source="ignore")
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data={}, source=config_entries.SOURCE_IGNORE
+    )
     config_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
@@ -220,7 +222,7 @@ async def test_form_reauth(hass):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=entry.data
+        DOMAIN, context={"source": config_entries.SOURCE_REAUTH}, data=entry.data
     )
     assert result["type"] == "form"
     assert result["errors"] == {}
diff --git a/tests/components/ps4/test_config_flow.py b/tests/components/ps4/test_config_flow.py
index bcae74c19fb..f8c28d236be 100644
--- a/tests/components/ps4/test_config_flow.py
+++ b/tests/components/ps4/test_config_flow.py
@@ -4,7 +4,7 @@ from unittest.mock import patch
 from pyps4_2ndscreen.errors import CredentialTimeout
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import ps4
 from homeassistant.components.ps4.config_flow import LOCAL_UDP_PORT
 from homeassistant.components.ps4.const import (
@@ -101,7 +101,7 @@ async def test_full_flow_implementation(hass):
     # User Step Started, results in Step Creds
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -142,7 +142,7 @@ async def test_multiple_flow_implementation(hass):
     # User Step Started, results in Step Creds
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -194,7 +194,7 @@ async def test_multiple_flow_implementation(hass):
         return_value=[{"host-ip": MOCK_HOST}, {"host-ip": MOCK_HOST_ADDITIONAL}],
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -247,7 +247,7 @@ async def test_port_bind_abort(hass):
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=MOCK_UDP_PORT):
         reason = "port_987_bind_error"
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == reason
@@ -255,7 +255,7 @@ async def test_port_bind_abort(hass):
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=MOCK_TCP_PORT):
         reason = "port_997_bind_error"
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == reason
@@ -267,7 +267,7 @@ async def test_duplicate_abort(hass):
 
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -297,7 +297,7 @@ async def test_additional_device(hass):
 
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -370,7 +370,7 @@ async def test_no_devices_found_abort(hass):
     """Test that failure to find devices aborts flow."""
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -395,7 +395,7 @@ async def test_manual_mode(hass):
     """Test host specified in manual mode is passed to Step Link."""
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -423,7 +423,7 @@ async def test_credential_abort(hass):
     """Test that failure to get credentials aborts flow."""
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -441,7 +441,7 @@ async def test_credential_timeout(hass):
     """Test that Credential Timeout shows error."""
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -460,7 +460,7 @@ async def test_wrong_pin_error(hass):
     """Test that incorrect pin throws an error."""
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -492,7 +492,7 @@ async def test_device_connection_error(hass):
     """Test that device not connected or on throws an error."""
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
@@ -524,7 +524,7 @@ async def test_manual_mode_no_ip_error(hass):
     """Test no IP specified in manual mode throws an error."""
     with patch("pyps4_2ndscreen.Helper.port_bind", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "creds"
diff --git a/tests/components/pvpc_hourly_pricing/test_config_flow.py b/tests/components/pvpc_hourly_pricing/test_config_flow.py
index 038b106f6c8..31a7005c4cc 100644
--- a/tests/components/pvpc_hourly_pricing/test_config_flow.py
+++ b/tests/components/pvpc_hourly_pricing/test_config_flow.py
@@ -4,7 +4,7 @@ from unittest.mock import patch
 
 from pytz import timezone
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.pvpc_hourly_pricing import ATTR_TARIFF, DOMAIN
 from homeassistant.const import CONF_NAME
 from homeassistant.helpers import entity_registry as er
@@ -34,7 +34,7 @@ async def test_config_flow(
 
     with patch("homeassistant.util.dt.utcnow", new=mock_now):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
 
@@ -50,7 +50,7 @@ async def test_config_flow(
 
         # Check abort when configuring another with same tariff
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
         result = await hass.config_entries.flow.async_configure(
@@ -66,7 +66,7 @@ async def test_config_flow(
 
         # and add it again with UI
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
 
diff --git a/tests/components/rachio/test_config_flow.py b/tests/components/rachio/test_config_flow.py
index ddf403343cf..324cfd0fbf1 100644
--- a/tests/components/rachio/test_config_flow.py
+++ b/tests/components/rachio/test_config_flow.py
@@ -111,7 +111,7 @@ async def test_form_homekit(hass):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
     )
     assert result["type"] == "form"
@@ -128,7 +128,7 @@ async def test_form_homekit(hass):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
     )
     assert result["type"] == "abort"
diff --git a/tests/components/roomba/test_config_flow.py b/tests/components/roomba/test_config_flow.py
index 32b3c1d95b3..bebf1724761 100644
--- a/tests/components/roomba/test_config_flow.py
+++ b/tests/components/roomba/test_config_flow.py
@@ -820,7 +820,9 @@ async def test_dhcp_discovery_with_ignored(hass):
     """Test ignored entries do not break checking for existing entries."""
     await setup.async_setup_component(hass, "persistent_notification", {})
 
-    config_entry = MockConfigEntry(domain=DOMAIN, data={}, source="ignore")
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data={}, source=config_entries.SOURCE_IGNORE
+    )
     config_entry.add_to_hass(hass)
 
     with patch(
diff --git a/tests/components/samsungtv/test_config_flow.py b/tests/components/samsungtv/test_config_flow.py
index ea78ecacb3e..fb1b2a2bc67 100644
--- a/tests/components/samsungtv/test_config_flow.py
+++ b/tests/components/samsungtv/test_config_flow.py
@@ -6,6 +6,7 @@ from samsungctl.exceptions import AccessDenied, UnhandledResponse
 from samsungtvws.exceptions import ConnectionFailure
 from websocket import WebSocketProtocolException
 
+from homeassistant import config_entries
 from homeassistant.components.samsungtv.const import (
     CONF_MANUFACTURER,
     CONF_MODEL,
@@ -102,7 +103,7 @@ async def test_user_legacy(hass, remote):
     """Test starting a flow by user."""
     # show form
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
     assert result["step_id"] == "user"
@@ -129,7 +130,7 @@ async def test_user_websocket(hass, remotews):
     ):
         # show form
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
         assert result["type"] == "form"
         assert result["step_id"] == "user"
@@ -157,7 +158,7 @@ async def test_user_legacy_missing_auth(hass):
     ), patch("homeassistant.components.samsungtv.config_flow.socket"):
         # legacy device missing authentication
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "auth_missing"
@@ -171,7 +172,7 @@ async def test_user_legacy_not_supported(hass):
     ), patch("homeassistant.components.samsungtv.config_flow.socket"):
         # legacy device not supported
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "not_supported"
@@ -190,7 +191,7 @@ async def test_user_websocket_not_supported(hass):
     ):
         # websocket device not supported
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "not_supported"
@@ -208,7 +209,7 @@ async def test_user_not_successful(hass):
         "homeassistant.components.samsungtv.config_flow.socket"
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "cannot_connect"
@@ -226,7 +227,7 @@ async def test_user_not_successful_2(hass):
         "homeassistant.components.samsungtv.config_flow.socket"
     ):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "cannot_connect"
@@ -237,13 +238,13 @@ async def test_user_already_configured(hass, remote):
 
     # entry was added
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
     )
     assert result["type"] == "create_entry"
 
     # failed as already configured
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_configured"
@@ -254,7 +255,7 @@ async def test_ssdp(hass, remote):
 
     # confirm to add the entry
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+        DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
     )
     assert result["type"] == "form"
     assert result["step_id"] == "confirm"
@@ -277,7 +278,9 @@ async def test_ssdp_noprefix(hass, remote):
 
     # confirm to add the entry
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA_NOPREFIX
+        DOMAIN,
+        context={"source": config_entries.SOURCE_SSDP},
+        data=MOCK_SSDP_DATA_NOPREFIX,
     )
     assert result["type"] == "form"
     assert result["step_id"] == "confirm"
@@ -304,7 +307,7 @@ async def test_ssdp_legacy_missing_auth(hass):
 
         # confirm to add the entry
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
         )
         assert result["type"] == "form"
         assert result["step_id"] == "confirm"
@@ -326,7 +329,7 @@ async def test_ssdp_legacy_not_supported(hass):
 
         # confirm to add the entry
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
         )
         assert result["type"] == "form"
         assert result["step_id"] == "confirm"
@@ -352,7 +355,7 @@ async def test_ssdp_websocket_not_supported(hass):
     ):
         # confirm to add the entry
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
         )
         assert result["type"] == "form"
         assert result["step_id"] == "confirm"
@@ -379,7 +382,7 @@ async def test_ssdp_not_successful(hass):
 
         # confirm to add the entry
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
         )
         assert result["type"] == "form"
         assert result["step_id"] == "confirm"
@@ -406,7 +409,7 @@ async def test_ssdp_not_successful_2(hass):
 
         # confirm to add the entry
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
         )
         assert result["type"] == "form"
         assert result["step_id"] == "confirm"
@@ -424,14 +427,14 @@ async def test_ssdp_already_in_progress(hass, remote):
 
     # confirm to add the entry
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+        DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
     )
     assert result["type"] == "form"
     assert result["step_id"] == "confirm"
 
     # failed as already in progress
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+        DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_in_progress"
@@ -442,7 +445,7 @@ async def test_ssdp_already_configured(hass, remote):
 
     # entry was added
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+        DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
     )
     assert result["type"] == "create_entry"
     entry = result["result"]
@@ -452,7 +455,7 @@ async def test_ssdp_already_configured(hass, remote):
 
     # failed as already configured
     result2 = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "ssdp"}, data=MOCK_SSDP_DATA
+        DOMAIN, context={"source": config_entries.SOURCE_SSDP}, data=MOCK_SSDP_DATA
     )
     assert result2["type"] == "abort"
     assert result2["reason"] == "already_configured"
@@ -477,7 +480,7 @@ async def test_autodetect_websocket(hass, remote, remotews):
         remotews.return_value = remote
 
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "create_entry"
         assert result["data"][CONF_METHOD] == "websocket"
@@ -503,7 +506,7 @@ async def test_autodetect_websocket_ssl(hass, remote, remotews):
         remotews.return_value = remote
 
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "create_entry"
         assert result["data"][CONF_METHOD] == "websocket"
@@ -522,7 +525,7 @@ async def test_autodetect_auth_missing(hass, remote):
         side_effect=[AccessDenied("Boom")],
     ) as remote:
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "auth_missing"
@@ -537,7 +540,7 @@ async def test_autodetect_not_supported(hass, remote):
         side_effect=[UnhandledResponse("Boom")],
     ) as remote:
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "not_supported"
@@ -549,7 +552,7 @@ async def test_autodetect_legacy(hass, remote):
     """Test for send key with autodetection of protocol."""
     with patch("homeassistant.components.samsungtv.bridge.Remote") as remote:
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "create_entry"
         assert result["data"][CONF_METHOD] == "legacy"
@@ -567,7 +570,7 @@ async def test_autodetect_none(hass, remote, remotews):
         side_effect=OSError("Boom"),
     ) as remotews:
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
         assert result["reason"] == "cannot_connect"
diff --git a/tests/components/screenlogic/test_config_flow.py b/tests/components/screenlogic/test_config_flow.py
index 71dc4935001..f64e35a28b6 100644
--- a/tests/components/screenlogic/test_config_flow.py
+++ b/tests/components/screenlogic/test_config_flow.py
@@ -137,7 +137,7 @@ async def test_dhcp(hass):
     await setup.async_setup_component(hass, "persistent_notification", {})
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "dhcp"},
+        context={"source": config_entries.SOURCE_DHCP},
         data={
             HOSTNAME: "Pentair: 01-01-01",
             IP_ADDRESS: "1.1.1.1",
diff --git a/tests/components/sharkiq/test_config_flow.py b/tests/components/sharkiq/test_config_flow.py
index d291d9f1bd1..dc631f48a46 100644
--- a/tests/components/sharkiq/test_config_flow.py
+++ b/tests/components/sharkiq/test_config_flow.py
@@ -73,7 +73,9 @@ async def test_reauth_success(hass: HomeAssistant):
         mock_config.add_to_hass(hass)
 
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "reauth", "unique_id": UNIQUE_ID}, data=CONFIG
+            DOMAIN,
+            context={"source": config_entries.SOURCE_REAUTH, "unique_id": UNIQUE_ID},
+            data=CONFIG,
         )
 
         assert result["type"] == "abort"
@@ -99,7 +101,7 @@ async def test_reauth(
     with patch("sharkiqpy.AylaApi.async_sign_in", side_effect=side_effect):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
-            context={"source": "reauth", "unique_id": UNIQUE_ID},
+            context={"source": config_entries.SOURCE_REAUTH, "unique_id": UNIQUE_ID},
             data=CONFIG,
         )
 
diff --git a/tests/components/simplisafe/test_config_flow.py b/tests/components/simplisafe/test_config_flow.py
index 8f9d3a9897c..a048e4b0745 100644
--- a/tests/components/simplisafe/test_config_flow.py
+++ b/tests/components/simplisafe/test_config_flow.py
@@ -9,7 +9,7 @@ from simplipy.errors import (
 
 from homeassistant import data_entry_flow
 from homeassistant.components.simplisafe import DOMAIN
-from homeassistant.config_entries import SOURCE_USER
+from homeassistant.config_entries import SOURCE_REAUTH, SOURCE_USER
 from homeassistant.const import CONF_CODE, CONF_PASSWORD, CONF_TOKEN, CONF_USERNAME
 
 from tests.common import MockConfigEntry
@@ -107,7 +107,7 @@ async def test_step_reauth(hass):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "reauth"},
+        context={"source": SOURCE_REAUTH},
         data={CONF_CODE: "1234", CONF_USERNAME: "user@email.com"},
     )
     assert result["step_id"] == "reauth_confirm"
diff --git a/tests/components/sma/conftest.py b/tests/components/sma/conftest.py
index 7522aeedf1b..9ec9e1f5a11 100644
--- a/tests/components/sma/conftest.py
+++ b/tests/components/sma/conftest.py
@@ -3,6 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components.sma.const import DOMAIN
 
 from . import MOCK_CUSTOM_SETUP_DATA, MOCK_DEVICE
@@ -18,7 +19,7 @@ def mock_config_entry():
         title=MOCK_DEVICE["name"],
         unique_id=MOCK_DEVICE["serial"],
         data=MOCK_CUSTOM_SETUP_DATA,
-        source="import",
+        source=config_entries.SOURCE_IMPORT,
     )
 
 
diff --git a/tests/components/smartthings/test_config_flow.py b/tests/components/smartthings/test_config_flow.py
index d8e0f6ed784..15e045338af 100644
--- a/tests/components/smartthings/test_config_flow.py
+++ b/tests/components/smartthings/test_config_flow.py
@@ -6,7 +6,7 @@ from aiohttp import ClientResponseError
 from pysmartthings import APIResponseError
 from pysmartthings.installedapp import format_install_url
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.smartthings import smartapp
 from homeassistant.components.smartthings.const import (
     CONF_APP_ID,
@@ -31,7 +31,7 @@ async def test_import_shows_user_step(hass):
     """Test import source shows the user form."""
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "import"}
+        DOMAIN, context={"source": config_entries.SOURCE_IMPORT}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -56,7 +56,7 @@ async def test_entry_created(hass, app, app_oauth_client, location, smartthings_
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -127,7 +127,7 @@ async def test_entry_created_from_update_event(
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -198,7 +198,7 @@ async def test_entry_created_existing_app_new_oauth_client(
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -282,7 +282,7 @@ async def test_entry_created_existing_app_copies_oauth_client(
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -372,7 +372,7 @@ async def test_entry_created_with_cloudhook(
 
         # Webhook confirmation shown
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}
+            DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
         assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
         assert result["step_id"] == "user"
@@ -434,7 +434,7 @@ async def test_invalid_webhook_aborts(hass):
         {"external_url": "http://example.local:8123"},
     )
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "invalid_webhook_url"
@@ -450,7 +450,7 @@ async def test_invalid_token_shows_error(hass):
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -487,7 +487,7 @@ async def test_unauthorized_token_shows_error(hass, smartthings_mock):
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -524,7 +524,7 @@ async def test_forbidden_token_shows_error(hass, smartthings_mock):
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -564,7 +564,7 @@ async def test_webhook_problem_shows_error(hass, smartthings_mock):
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -603,7 +603,7 @@ async def test_api_error_shows_error(hass, smartthings_mock):
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -641,7 +641,7 @@ async def test_unknown_response_error_shows_error(hass, smartthings_mock):
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -675,7 +675,7 @@ async def test_unknown_error_shows_error(hass, smartthings_mock):
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -717,7 +717,7 @@ async def test_no_available_locations_aborts(
 
     # Webhook confirmation shown
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
diff --git a/tests/components/smartthings/test_init.py b/tests/components/smartthings/test_init.py
index eed1d5d26b1..e38c123829c 100644
--- a/tests/components/smartthings/test_init.py
+++ b/tests/components/smartthings/test_init.py
@@ -6,6 +6,7 @@ from aiohttp import ClientConnectionError, ClientResponseError
 from pysmartthings import InstalledAppStatus, OAuthToken
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components import cloud, smartthings
 from homeassistant.components.smartthings.const import (
     CONF_CLOUDHOOK_URL,
@@ -41,7 +42,7 @@ async def test_migration_creates_new_flow(hass, smartthings_mock, config_entry):
     flows = hass.config_entries.flow.async_progress()
     assert len(flows) == 1
     assert flows[0]["handler"] == "smartthings"
-    assert flows[0]["context"] == {"source": "import"}
+    assert flows[0]["context"] == {"source": config_entries.SOURCE_IMPORT}
 
 
 async def test_unrecoverable_api_errors_create_new_flow(
@@ -71,7 +72,7 @@ async def test_unrecoverable_api_errors_create_new_flow(
     flows = hass.config_entries.flow.async_progress()
     assert len(flows) == 1
     assert flows[0]["handler"] == "smartthings"
-    assert flows[0]["context"] == {"source": "import"}
+    assert flows[0]["context"] == {"source": config_entries.SOURCE_IMPORT}
     hass.config_entries.flow.async_abort(flows[0]["flow_id"])
 
 
diff --git a/tests/components/somfy_mylink/test_config_flow.py b/tests/components/somfy_mylink/test_config_flow.py
index 980a01f318c..59f6bd37407 100644
--- a/tests/components/somfy_mylink/test_config_flow.py
+++ b/tests/components/somfy_mylink/test_config_flow.py
@@ -465,7 +465,9 @@ async def test_already_configured_with_ignored(hass):
     """Test ignored entries do not break checking for existing entries."""
     await setup.async_setup_component(hass, "persistent_notification", {})
 
-    config_entry = MockConfigEntry(domain=DOMAIN, data={}, source="ignore")
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data={}, source=config_entries.SOURCE_IGNORE
+    )
     config_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
diff --git a/tests/components/speedtestdotnet/test_config_flow.py b/tests/components/speedtestdotnet/test_config_flow.py
index dee271d94a3..a7a65511ee5 100644
--- a/tests/components/speedtestdotnet/test_config_flow.py
+++ b/tests/components/speedtestdotnet/test_config_flow.py
@@ -5,7 +5,7 @@ from unittest.mock import patch
 import pytest
 from speedtest import NoMatchedServers
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import speedtestdotnet
 from homeassistant.components.speedtestdotnet.const import (
     CONF_MANUAL,
@@ -34,7 +34,7 @@ def mock_setup():
 async def test_flow_works(hass, mock_setup):
     """Test user config."""
     result = await hass.config_entries.flow.async_init(
-        speedtestdotnet.DOMAIN, context={"source": "user"}
+        speedtestdotnet.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -53,7 +53,7 @@ async def test_import_fails(hass, mock_setup):
         mock_api.return_value.get_servers.side_effect = NoMatchedServers
         result = await hass.config_entries.flow.async_init(
             speedtestdotnet.DOMAIN,
-            context={"source": "import"},
+            context={"source": config_entries.SOURCE_IMPORT},
             data={
                 CONF_SERVER_ID: "223",
                 CONF_MANUAL: True,
@@ -71,7 +71,7 @@ async def test_import_success(hass, mock_setup):
     with patch("speedtest.Speedtest"):
         result = await hass.config_entries.flow.async_init(
             speedtestdotnet.DOMAIN,
-            context={"source": "import"},
+            context={"source": config_entries.SOURCE_IMPORT},
             data={
                 CONF_SERVER_ID: "1",
                 CONF_MANUAL: True,
@@ -132,7 +132,7 @@ async def test_integration_already_configured(hass):
     )
     entry.add_to_hass(hass)
     result = await hass.config_entries.flow.async_init(
-        speedtestdotnet.DOMAIN, context={"source": "user"}
+        speedtestdotnet.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "single_instance_allowed"
diff --git a/tests/components/spotify/test_config_flow.py b/tests/components/spotify/test_config_flow.py
index 37a33ef66b2..cd0be3f7cc8 100644
--- a/tests/components/spotify/test_config_flow.py
+++ b/tests/components/spotify/test_config_flow.py
@@ -5,7 +5,7 @@ from spotipy import SpotifyException
 
 from homeassistant import data_entry_flow, setup
 from homeassistant.components.spotify.const import DOMAIN
-from homeassistant.config_entries import SOURCE_USER, SOURCE_ZEROCONF
+from homeassistant.config_entries import SOURCE_REAUTH, SOURCE_USER, SOURCE_ZEROCONF
 from homeassistant.const import CONF_CLIENT_ID, CONF_CLIENT_SECRET
 from homeassistant.helpers import config_entry_oauth2_flow
 
@@ -181,7 +181,7 @@ async def test_reauthentication(
     old_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=old_entry.data
+        DOMAIN, context={"source": SOURCE_REAUTH}, data=old_entry.data
     )
 
     flows = hass.config_entries.flow.async_progress()
@@ -246,7 +246,7 @@ async def test_reauth_account_mismatch(
     old_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=old_entry.data
+        DOMAIN, context={"source": SOURCE_REAUTH}, data=old_entry.data
     )
 
     flows = hass.config_entries.flow.async_progress()
diff --git a/tests/components/srp_energy/__init__.py b/tests/components/srp_energy/__init__.py
index 5e2a4695d0b..e14f9186f44 100644
--- a/tests/components/srp_energy/__init__.py
+++ b/tests/components/srp_energy/__init__.py
@@ -23,7 +23,7 @@ async def init_integration(
     config=None,
     options=None,
     entry_id="1",
-    source="user",
+    source=config_entries.SOURCE_USER,
     side_effect=None,
     usage=None,
 ):
diff --git a/tests/components/srp_energy/test_config_flow.py b/tests/components/srp_energy/test_config_flow.py
index 5295d8cdb13..c8d458dfb82 100644
--- a/tests/components/srp_energy/test_config_flow.py
+++ b/tests/components/srp_energy/test_config_flow.py
@@ -11,7 +11,7 @@ async def test_form(hass):
     """Test user config."""
     # First get the form
     result = await hass.config_entries.flow.async_init(
-        SRP_ENERGY_DOMAIN, context={"source": "user"}
+        SRP_ENERGY_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -40,7 +40,7 @@ async def test_form(hass):
 async def test_form_invalid_auth(hass):
     """Test user config with invalid auth."""
     result = await hass.config_entries.flow.async_init(
-        SRP_ENERGY_DOMAIN, context={"source": "user"}
+        SRP_ENERGY_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     with patch(
@@ -58,7 +58,7 @@ async def test_form_invalid_auth(hass):
 async def test_form_value_error(hass):
     """Test user config that throws a value error."""
     result = await hass.config_entries.flow.async_init(
-        SRP_ENERGY_DOMAIN, context={"source": "user"}
+        SRP_ENERGY_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     with patch(
@@ -76,7 +76,7 @@ async def test_form_value_error(hass):
 async def test_form_unknown_exception(hass):
     """Test user config that throws an unknown exception."""
     result = await hass.config_entries.flow.async_init(
-        SRP_ENERGY_DOMAIN, context={"source": "user"}
+        SRP_ENERGY_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     with patch(
@@ -106,7 +106,7 @@ async def test_integration_already_configured(hass):
     """Test integration is already configured."""
     await init_integration(hass)
     result = await hass.config_entries.flow.async_init(
-        SRP_ENERGY_DOMAIN, context={"source": "user"}
+        SRP_ENERGY_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
     assert result["reason"] == "single_instance_allowed"
diff --git a/tests/components/ssdp/test_init.py b/tests/components/ssdp/test_init.py
index f0f4a94e562..78b0f9e05b6 100644
--- a/tests/components/ssdp/test_init.py
+++ b/tests/components/ssdp/test_init.py
@@ -6,6 +6,7 @@ from unittest.mock import patch
 import aiohttp
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components import ssdp
 from homeassistant.const import EVENT_HOMEASSISTANT_STARTED, EVENT_HOMEASSISTANT_STOP
 from homeassistant.setup import async_setup_component
@@ -39,7 +40,9 @@ async def test_scan_match_st(hass, caplog):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "ssdp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_SSDP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         ssdp.ATTR_SSDP_ST: "mock-st",
         ssdp.ATTR_SSDP_LOCATION: None,
@@ -88,7 +91,9 @@ async def test_scan_match_upnp_devicedesc(hass, aioclient_mock, key):
     assert len(aioclient_mock.mock_calls) == 1
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "ssdp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_SSDP
+    }
 
 
 async def test_scan_not_all_present(hass, aioclient_mock):
@@ -266,7 +271,9 @@ async def test_invalid_characters(hass, aioclient_mock):
 
     assert len(mock_init.mock_calls) == 1
     assert mock_init.mock_calls[0][1][0] == "mock-domain"
-    assert mock_init.mock_calls[0][2]["context"] == {"source": "ssdp"}
+    assert mock_init.mock_calls[0][2]["context"] == {
+        "source": config_entries.SOURCE_SSDP
+    }
     assert mock_init.mock_calls[0][2]["data"] == {
         "ssdp_location": "http://1.1.1.1",
         "ssdp_st": "mock-st",
diff --git a/tests/components/starline/test_config_flow.py b/tests/components/starline/test_config_flow.py
index 7050376dbfe..4cd222dbc91 100644
--- a/tests/components/starline/test_config_flow.py
+++ b/tests/components/starline/test_config_flow.py
@@ -1,6 +1,7 @@
 """Tests for StarLine config flow."""
 import requests_mock
 
+from homeassistant import config_entries
 from homeassistant.components.starline import config_flow
 
 TEST_APP_ID = "666"
@@ -42,7 +43,7 @@ async def test_flow_works(hass):
         )
 
         result = await hass.config_entries.flow.async_init(
-            config_flow.DOMAIN, context={"source": "user"}
+            config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
         )
         assert result["type"] == "form"
         assert result["step_id"] == "auth_app"
@@ -76,7 +77,7 @@ async def test_step_auth_app_code_falls(hass):
         )
         result = await hass.config_entries.flow.async_init(
             config_flow.DOMAIN,
-            context={"source": "user"},
+            context={"source": config_entries.SOURCE_USER},
             data={
                 config_flow.CONF_APP_ID: TEST_APP_ID,
                 config_flow.CONF_APP_SECRET: TEST_APP_SECRET,
@@ -99,7 +100,7 @@ async def test_step_auth_app_token_falls(hass):
         )
         result = await hass.config_entries.flow.async_init(
             config_flow.DOMAIN,
-            context={"source": "user"},
+            context={"source": config_entries.SOURCE_USER},
             data={
                 config_flow.CONF_APP_ID: TEST_APP_ID,
                 config_flow.CONF_APP_SECRET: TEST_APP_SECRET,
diff --git a/tests/components/tado/test_config_flow.py b/tests/components/tado/test_config_flow.py
index 90b7e87504c..77656f1c81f 100644
--- a/tests/components/tado/test_config_flow.py
+++ b/tests/components/tado/test_config_flow.py
@@ -125,7 +125,7 @@ async def test_form_homekit(hass):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
     )
     assert result["type"] == "form"
@@ -144,7 +144,7 @@ async def test_form_homekit(hass):
 
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
     )
     assert result["type"] == "abort"
diff --git a/tests/components/tasmota/test_config_flow.py b/tests/components/tasmota/test_config_flow.py
index 469e5e29812..9f199f0aa66 100644
--- a/tests/components/tasmota/test_config_flow.py
+++ b/tests/components/tasmota/test_config_flow.py
@@ -1,4 +1,5 @@
 """Test config flow."""
+from homeassistant import config_entries
 from homeassistant.components.mqtt.models import Message
 
 from tests.common import MockConfigEntry
@@ -9,7 +10,7 @@ async def test_mqtt_abort_if_existing_entry(hass, mqtt_mock):
     MockConfigEntry(domain="tasmota").add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "mqtt"}
+        "tasmota", context={"source": config_entries.SOURCE_MQTT}
     )
 
     assert result["type"] == "abort"
@@ -20,7 +21,7 @@ async def test_mqtt_abort_invalid_topic(hass, mqtt_mock):
     """Check MQTT flow aborts if discovery topic is invalid."""
     discovery_info = Message("", "", 0, False, subscribed_topic="custom_prefix/##")
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "mqtt"}, data=discovery_info
+        "tasmota", context={"source": config_entries.SOURCE_MQTT}, data=discovery_info
     )
     assert result["type"] == "abort"
     assert result["reason"] == "invalid_discovery_info"
@@ -30,7 +31,7 @@ async def test_mqtt_setup(hass, mqtt_mock) -> None:
     """Test we can finish a config flow through MQTT with custom prefix."""
     discovery_info = Message("", "", 0, False, subscribed_topic="custom_prefix/123/#")
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "mqtt"}, data=discovery_info
+        "tasmota", context={"source": config_entries.SOURCE_MQTT}, data=discovery_info
     )
     assert result["type"] == "form"
 
@@ -45,7 +46,7 @@ async def test_mqtt_setup(hass, mqtt_mock) -> None:
 async def test_user_setup(hass, mqtt_mock):
     """Test we can finish a config flow."""
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "user"}
+        "tasmota", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "form"
 
@@ -60,7 +61,8 @@ async def test_user_setup(hass, mqtt_mock):
 async def test_user_setup_advanced(hass, mqtt_mock):
     """Test we can finish a config flow."""
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "user", "show_advanced_options": True}
+        "tasmota",
+        context={"source": config_entries.SOURCE_USER, "show_advanced_options": True},
     )
     assert result["type"] == "form"
 
@@ -77,7 +79,8 @@ async def test_user_setup_advanced(hass, mqtt_mock):
 async def test_user_setup_advanced_strip_wildcard(hass, mqtt_mock):
     """Test we can finish a config flow."""
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "user", "show_advanced_options": True}
+        "tasmota",
+        context={"source": config_entries.SOURCE_USER, "show_advanced_options": True},
     )
     assert result["type"] == "form"
 
@@ -94,7 +97,8 @@ async def test_user_setup_advanced_strip_wildcard(hass, mqtt_mock):
 async def test_user_setup_invalid_topic_prefix(hass, mqtt_mock):
     """Test abort on invalid discovery topic."""
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "user", "show_advanced_options": True}
+        "tasmota",
+        context={"source": config_entries.SOURCE_USER, "show_advanced_options": True},
     )
     assert result["type"] == "form"
 
@@ -111,7 +115,7 @@ async def test_user_single_instance(hass, mqtt_mock):
     MockConfigEntry(domain="tasmota").add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        "tasmota", context={"source": "user"}
+        "tasmota", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == "abort"
     assert result["reason"] == "single_instance_allowed"
diff --git a/tests/components/tibber/test_config_flow.py b/tests/components/tibber/test_config_flow.py
index 479f314123a..6eaa52ac103 100644
--- a/tests/components/tibber/test_config_flow.py
+++ b/tests/components/tibber/test_config_flow.py
@@ -3,6 +3,7 @@ from unittest.mock import AsyncMock, MagicMock, PropertyMock, patch
 
 import pytest
 
+from homeassistant import config_entries
 from homeassistant.components.tibber.const import DOMAIN
 from homeassistant.const import CONF_ACCESS_TOKEN
 
@@ -19,7 +20,7 @@ def tibber_setup_fixture():
 async def test_show_config_form(hass):
     """Test show configuration form."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == "form"
@@ -42,7 +43,7 @@ async def test_create_entry(hass):
 
     with patch("tibber.Tibber", return_value=tibber_mock):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=test_data
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
         )
 
     assert result["type"] == "create_entry"
@@ -65,7 +66,7 @@ async def test_flow_entry_already_exists(hass):
 
     with patch("tibber.Tibber.update_info", return_value=None):
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "user"}, data=test_data
+            DOMAIN, context={"source": config_entries.SOURCE_USER}, data=test_data
         )
 
     assert result["type"] == "abort"
diff --git a/tests/components/totalconnect/test_config_flow.py b/tests/components/totalconnect/test_config_flow.py
index 5d1723a835e..2f89beab0e0 100644
--- a/tests/components/totalconnect/test_config_flow.py
+++ b/tests/components/totalconnect/test_config_flow.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 from homeassistant import data_entry_flow
 from homeassistant.components.totalconnect.const import CONF_LOCATION, DOMAIN
-from homeassistant.config_entries import SOURCE_USER
+from homeassistant.config_entries import SOURCE_REAUTH, SOURCE_USER
 from homeassistant.const import CONF_PASSWORD
 
 from .common import (
@@ -133,7 +133,7 @@ async def test_reauth(hass):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "reauth"}, data=entry.data
+        DOMAIN, context={"source": SOURCE_REAUTH}, data=entry.data
     )
     assert result["step_id"] == "reauth_confirm"
 
diff --git a/tests/components/traccar/test_init.py b/tests/components/traccar/test_init.py
index f372358ea1d..5e995e10e92 100644
--- a/tests/components/traccar/test_init.py
+++ b/tests/components/traccar/test_init.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import traccar, zone
 from homeassistant.components.device_tracker import DOMAIN as DEVICE_TRACKER_DOMAIN
 from homeassistant.components.traccar import DOMAIN, TRACKER_UPDATE
@@ -66,7 +66,7 @@ async def webhook_id_fixture(hass, client):
         {"external_url": "http://example.com"},
     )
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "user"}
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/tradfri/test_config_flow.py b/tests/components/tradfri/test_config_flow.py
index a155e8b383c..ca6380a9310 100644
--- a/tests/components/tradfri/test_config_flow.py
+++ b/tests/components/tradfri/test_config_flow.py
@@ -3,7 +3,7 @@ from unittest.mock import patch
 
 import pytest
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.tradfri import config_flow
 
 from tests.common import MockConfigEntry
@@ -23,7 +23,7 @@ async def test_user_connection_successful(hass, mock_auth, mock_entry_setup):
     mock_auth.side_effect = lambda hass, host, code: {"host": host, "gateway_id": "bla"}
 
     flow = await hass.config_entries.flow.async_init(
-        "tradfri", context={"source": "user"}
+        "tradfri", context={"source": config_entries.SOURCE_USER}
     )
 
     result = await hass.config_entries.flow.async_configure(
@@ -45,7 +45,7 @@ async def test_user_connection_timeout(hass, mock_auth, mock_entry_setup):
     mock_auth.side_effect = config_flow.AuthError("timeout")
 
     flow = await hass.config_entries.flow.async_init(
-        "tradfri", context={"source": "user"}
+        "tradfri", context={"source": config_entries.SOURCE_USER}
     )
 
     result = await hass.config_entries.flow.async_configure(
@@ -63,7 +63,7 @@ async def test_user_connection_bad_key(hass, mock_auth, mock_entry_setup):
     mock_auth.side_effect = config_flow.AuthError("invalid_security_code")
 
     flow = await hass.config_entries.flow.async_init(
-        "tradfri", context={"source": "user"}
+        "tradfri", context={"source": config_entries.SOURCE_USER}
     )
 
     result = await hass.config_entries.flow.async_configure(
@@ -82,7 +82,7 @@ async def test_discovery_connection(hass, mock_auth, mock_entry_setup):
 
     flow = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"host": "123.123.123.123", "properties": {"id": "homekit-id"}},
     )
 
@@ -112,7 +112,7 @@ async def test_import_connection(hass, mock_auth, mock_entry_setup):
 
     flow = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={"host": "123.123.123.123", "import_groups": True},
     )
 
@@ -143,7 +143,7 @@ async def test_import_connection_no_groups(hass, mock_auth, mock_entry_setup):
 
     flow = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={"host": "123.123.123.123", "import_groups": False},
     )
 
@@ -174,7 +174,7 @@ async def test_import_connection_legacy(hass, mock_gateway_info, mock_entry_setu
 
     result = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={"host": "123.123.123.123", "key": "mock-key", "import_groups": True},
     )
 
@@ -204,7 +204,7 @@ async def test_import_connection_legacy_no_groups(
 
     result = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={"host": "123.123.123.123", "key": "mock-key", "import_groups": False},
     )
 
@@ -230,7 +230,7 @@ async def test_discovery_duplicate_aborted(hass):
 
     flow = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"host": "new-host", "properties": {"id": "homekit-id"}},
     )
 
@@ -245,7 +245,9 @@ async def test_import_duplicate_aborted(hass):
     MockConfigEntry(domain="tradfri", data={"host": "some-host"}).add_to_hass(hass)
 
     flow = await hass.config_entries.flow.async_init(
-        "tradfri", context={"source": "import"}, data={"host": "some-host"}
+        "tradfri",
+        context={"source": config_entries.SOURCE_IMPORT},
+        data={"host": "some-host"},
     )
 
     assert flow["type"] == data_entry_flow.RESULT_TYPE_ABORT
@@ -256,7 +258,7 @@ async def test_duplicate_discovery(hass, mock_auth, mock_entry_setup):
     """Test a duplicate discovery in progress is ignored."""
     result = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"host": "123.123.123.123", "properties": {"id": "homekit-id"}},
     )
 
@@ -264,7 +266,7 @@ async def test_duplicate_discovery(hass, mock_auth, mock_entry_setup):
 
     result2 = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"host": "123.123.123.123", "properties": {"id": "homekit-id"}},
     )
 
@@ -281,7 +283,7 @@ async def test_discovery_updates_unique_id(hass):
 
     flow = await hass.config_entries.flow.async_init(
         "tradfri",
-        context={"source": "homekit"},
+        context={"source": config_entries.SOURCE_HOMEKIT},
         data={"host": "some-host", "properties": {"id": "homekit-id"}},
     )
 
diff --git a/tests/components/tradfri/test_init.py b/tests/components/tradfri/test_init.py
index da9ae9da146..8e11ab06f34 100644
--- a/tests/components/tradfri/test_init.py
+++ b/tests/components/tradfri/test_init.py
@@ -1,6 +1,7 @@
 """Tests for Tradfri setup."""
 from unittest.mock import patch
 
+from homeassistant import config_entries
 from homeassistant.components import tradfri
 from homeassistant.helpers import device_registry as dr
 from homeassistant.setup import async_setup_component
@@ -34,7 +35,7 @@ async def test_config_yaml_host_imported(hass):
     progress = hass.config_entries.flow.async_progress()
     assert len(progress) == 1
     assert progress[0]["handler"] == "tradfri"
-    assert progress[0]["context"] == {"source": "import"}
+    assert progress[0]["context"] == {"source": config_entries.SOURCE_IMPORT}
 
 
 async def test_config_json_host_not_imported(hass):
@@ -71,7 +72,7 @@ async def test_config_json_host_imported(
 
     config_entry = mock_entry_setup.mock_calls[0][1][1]
     assert config_entry.domain == "tradfri"
-    assert config_entry.source == "import"
+    assert config_entry.source == config_entries.SOURCE_IMPORT
     assert config_entry.title == "mock-host"
 
 
diff --git a/tests/components/transmission/test_config_flow.py b/tests/components/transmission/test_config_flow.py
index 2982d363da9..79b341e4504 100644
--- a/tests/components/transmission/test_config_flow.py
+++ b/tests/components/transmission/test_config_flow.py
@@ -5,7 +5,7 @@ from unittest.mock import patch
 import pytest
 from transmissionrpc.error import TransmissionError
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import transmission
 from homeassistant.components.transmission import config_flow
 from homeassistant.components.transmission.const import (
@@ -96,7 +96,7 @@ def init_config_flow(hass):
 async def test_flow_user_config(hass, api):
     """Test user config."""
     result = await hass.config_entries.flow.async_init(
-        transmission.DOMAIN, context={"source": "user"}
+        transmission.DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
@@ -106,7 +106,7 @@ async def test_flow_required_fields(hass, api):
     """Test with required fields only."""
     result = await hass.config_entries.flow.async_init(
         transmission.DOMAIN,
-        context={"source": "user"},
+        context={"source": config_entries.SOURCE_USER},
         data={CONF_NAME: NAME, CONF_HOST: HOST, CONF_PORT: PORT},
     )
 
@@ -120,7 +120,9 @@ async def test_flow_required_fields(hass, api):
 async def test_flow_all_provided(hass, api):
     """Test with all provided."""
     result = await hass.config_entries.flow.async_init(
-        transmission.DOMAIN, context={"source": "user"}, data=MOCK_ENTRY
+        transmission.DOMAIN,
+        context={"source": config_entries.SOURCE_USER},
+        data=MOCK_ENTRY,
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
@@ -208,7 +210,9 @@ async def test_host_already_configured(hass, api):
     mock_entry_unique_name = MOCK_ENTRY.copy()
     mock_entry_unique_name[CONF_NAME] = "Transmission 1"
     result = await hass.config_entries.flow.async_init(
-        transmission.DOMAIN, context={"source": "user"}, data=mock_entry_unique_name
+        transmission.DOMAIN,
+        context={"source": config_entries.SOURCE_USER},
+        data=mock_entry_unique_name,
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_configured"
@@ -217,7 +221,9 @@ async def test_host_already_configured(hass, api):
     mock_entry_unique_port[CONF_PORT] = 9092
     mock_entry_unique_port[CONF_NAME] = "Transmission 2"
     result = await hass.config_entries.flow.async_init(
-        transmission.DOMAIN, context={"source": "user"}, data=mock_entry_unique_port
+        transmission.DOMAIN,
+        context={"source": config_entries.SOURCE_USER},
+        data=mock_entry_unique_port,
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
 
@@ -225,7 +231,9 @@ async def test_host_already_configured(hass, api):
     mock_entry_unique_host[CONF_HOST] = "192.168.1.101"
     mock_entry_unique_host[CONF_NAME] = "Transmission 3"
     result = await hass.config_entries.flow.async_init(
-        transmission.DOMAIN, context={"source": "user"}, data=mock_entry_unique_host
+        transmission.DOMAIN,
+        context={"source": config_entries.SOURCE_USER},
+        data=mock_entry_unique_host,
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
 
@@ -242,7 +250,9 @@ async def test_name_already_configured(hass, api):
     mock_entry = MOCK_ENTRY.copy()
     mock_entry[CONF_HOST] = "0.0.0.0"
     result = await hass.config_entries.flow.async_init(
-        transmission.DOMAIN, context={"source": "user"}, data=mock_entry
+        transmission.DOMAIN,
+        context={"source": config_entries.SOURCE_USER},
+        data=mock_entry,
     )
 
     assert result["type"] == "form"
diff --git a/tests/components/twilio/test_init.py b/tests/components/twilio/test_init.py
index 580e5f83ebf..3529159eae1 100644
--- a/tests/components/twilio/test_init.py
+++ b/tests/components/twilio/test_init.py
@@ -1,5 +1,5 @@
 """Test the init file of Twilio."""
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components import twilio
 from homeassistant.config import async_process_ha_core_config
 from homeassistant.core import callback
@@ -12,7 +12,7 @@ async def test_config_flow_registers_webhook(hass, aiohttp_client):
         {"internal_url": "http://example.local:8123"},
     )
     result = await hass.config_entries.flow.async_init(
-        "twilio", context={"source": "user"}
+        "twilio", context={"source": config_entries.SOURCE_USER}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM, result
 
diff --git a/tests/components/unifi/test_config_flow.py b/tests/components/unifi/test_config_flow.py
index 43d14981bbb..1967369e22b 100644
--- a/tests/components/unifi/test_config_flow.py
+++ b/tests/components/unifi/test_config_flow.py
@@ -91,7 +91,7 @@ async def test_flow_works(hass, aioclient_mock, mock_discovery):
     """Test config flow."""
     mock_discovery.return_value = "1"
     result = await hass.config_entries.flow.async_init(
-        UNIFI_DOMAIN, context={"source": "user"}
+        UNIFI_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -157,7 +157,7 @@ async def test_flow_works(hass, aioclient_mock, mock_discovery):
 async def test_flow_works_negative_discovery(hass, aioclient_mock, mock_discovery):
     """Test config flow with a negative outcome of async_discovery_unifi."""
     result = await hass.config_entries.flow.async_init(
-        UNIFI_DOMAIN, context={"source": "user"}
+        UNIFI_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -174,7 +174,7 @@ async def test_flow_works_negative_discovery(hass, aioclient_mock, mock_discover
 async def test_flow_multiple_sites(hass, aioclient_mock):
     """Test config flow works when finding multiple sites."""
     result = await hass.config_entries.flow.async_init(
-        UNIFI_DOMAIN, context={"source": "user"}
+        UNIFI_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -222,7 +222,7 @@ async def test_flow_raise_already_configured(hass, aioclient_mock):
     await setup_unifi_integration(hass, aioclient_mock)
 
     result = await hass.config_entries.flow.async_init(
-        UNIFI_DOMAIN, context={"source": "user"}
+        UNIFI_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -277,7 +277,7 @@ async def test_flow_aborts_configuration_updated(hass, aioclient_mock):
     entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        UNIFI_DOMAIN, context={"source": "user"}
+        UNIFI_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -321,7 +321,7 @@ async def test_flow_aborts_configuration_updated(hass, aioclient_mock):
 async def test_flow_fails_user_credentials_faulty(hass, aioclient_mock):
     """Test config flow."""
     result = await hass.config_entries.flow.async_init(
-        UNIFI_DOMAIN, context={"source": "user"}
+        UNIFI_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
@@ -348,7 +348,7 @@ async def test_flow_fails_user_credentials_faulty(hass, aioclient_mock):
 async def test_flow_fails_controller_unavailable(hass, aioclient_mock):
     """Test config flow."""
     result = await hass.config_entries.flow.async_init(
-        UNIFI_DOMAIN, context={"source": "user"}
+        UNIFI_DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
diff --git a/tests/components/volumio/test_config_flow.py b/tests/components/volumio/test_config_flow.py
index a0d3fc85ee3..fed967f9ffc 100644
--- a/tests/components/volumio/test_config_flow.py
+++ b/tests/components/volumio/test_config_flow.py
@@ -170,7 +170,7 @@ async def test_discovery(hass):
     """Test discovery flow works."""
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+        DOMAIN, context={"source": config_entries.SOURCE_ZEROCONF}, data=TEST_DISCOVERY
     )
 
     with patch(
@@ -200,7 +200,7 @@ async def test_discovery_cannot_connect(hass):
     """Test discovery aborts if cannot connect."""
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+        DOMAIN, context={"source": config_entries.SOURCE_ZEROCONF}, data=TEST_DISCOVERY
     )
 
     with patch(
@@ -219,13 +219,13 @@ async def test_discovery_cannot_connect(hass):
 async def test_discovery_duplicate_data(hass):
     """Test discovery aborts if same mDNS packet arrives."""
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+        DOMAIN, context={"source": config_entries.SOURCE_ZEROCONF}, data=TEST_DISCOVERY
     )
     assert result["type"] == "form"
     assert result["step_id"] == "discovery_confirm"
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+        DOMAIN, context={"source": config_entries.SOURCE_ZEROCONF}, data=TEST_DISCOVERY
     )
     assert result["type"] == "abort"
     assert result["reason"] == "already_in_progress"
@@ -252,7 +252,9 @@ async def test_discovery_updates_unique_id(hass):
         return_value=True,
     ) as mock_setup_entry:
         result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": "zeroconf"}, data=TEST_DISCOVERY
+            DOMAIN,
+            context={"source": config_entries.SOURCE_ZEROCONF},
+            data=TEST_DISCOVERY,
         )
         await hass.async_block_till_done()
 
diff --git a/tests/components/withings/test_config_flow.py b/tests/components/withings/test_config_flow.py
index 4cbada948f4..618dd19f80b 100644
--- a/tests/components/withings/test_config_flow.py
+++ b/tests/components/withings/test_config_flow.py
@@ -1,6 +1,7 @@
 """Tests for config flow."""
 from aiohttp.test_utils import TestClient
 
+from homeassistant import config_entries
 from homeassistant.components.withings import const
 from homeassistant.config import async_process_ha_core_config
 from homeassistant.const import (
@@ -58,7 +59,8 @@ async def test_config_reauth_profile(
     config_entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        const.DOMAIN, context={"source": "reauth", "profile": "person0"}
+        const.DOMAIN,
+        context={"source": config_entries.SOURCE_REAUTH, "profile": "person0"},
     )
     assert result
     assert result["type"] == "form"
diff --git a/tests/components/zha/test_config_flow.py b/tests/components/zha/test_config_flow.py
index 127c5518a41..16747980b15 100644
--- a/tests/components/zha/test_config_flow.py
+++ b/tests/components/zha/test_config_flow.py
@@ -10,7 +10,7 @@ import zigpy.config
 from homeassistant import setup
 from homeassistant.components.zha import config_flow
 from homeassistant.components.zha.core.const import CONF_RADIO_TYPE, DOMAIN, RadioType
-from homeassistant.config_entries import SOURCE_USER
+from homeassistant.config_entries import SOURCE_USER, SOURCE_ZEROCONF
 from homeassistant.const import CONF_SOURCE
 from homeassistant.data_entry_flow import RESULT_TYPE_CREATE_ENTRY, RESULT_TYPE_FORM
 
@@ -39,7 +39,7 @@ async def test_discovery(detect_mock, hass):
         "properties": {"name": "tube_123456"},
     }
     flow = await hass.config_entries.flow.async_init(
-        "zha", context={"source": "zeroconf"}, data=service_info
+        "zha", context={"source": SOURCE_ZEROCONF}, data=service_info
     )
     result = await hass.config_entries.flow.async_configure(
         flow["flow_id"], user_input={}
@@ -71,7 +71,7 @@ async def test_discovery_already_setup(detect_mock, hass):
     MockConfigEntry(domain=DOMAIN, data={"usb_path": "/dev/ttyUSB1"}).add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
-        "zha", context={"source": "zeroconf"}, data=service_info
+        "zha", context={"source": SOURCE_ZEROCONF}, data=service_info
     )
     await hass.async_block_till_done()
 
diff --git a/tests/components/zwave/test_websocket_api.py b/tests/components/zwave/test_websocket_api.py
index 9727906709f..2e37ed47fce 100644
--- a/tests/components/zwave/test_websocket_api.py
+++ b/tests/components/zwave/test_websocket_api.py
@@ -1,6 +1,7 @@
 """Test Z-Wave Websocket API."""
 from unittest.mock import call, patch
 
+from homeassistant import config_entries
 from homeassistant.bootstrap import async_setup_component
 from homeassistant.components.zwave.const import (
     CONF_AUTOHEAL,
@@ -83,6 +84,6 @@ async def test_zwave_ozw_migration_api(hass, mock_openzwave, hass_ws_client):
     assert result["flow_id"] == "mock_flow_id"
     assert async_init.call_args == call(
         "ozw",
-        context={"source": "import"},
+        context={"source": config_entries.SOURCE_IMPORT},
         data={"usb_path": "/dev/zwave", "network_key": NETWORK_KEY},
     )
diff --git a/tests/helpers/test_config_entry_flow.py b/tests/helpers/test_config_entry_flow.py
index b3233556957..edee75fe240 100644
--- a/tests/helpers/test_config_entry_flow.py
+++ b/tests/helpers/test_config_entry_flow.py
@@ -91,7 +91,16 @@ async def test_user_has_confirmation(hass, discovery_flow_conf):
     assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
 
 
-@pytest.mark.parametrize("source", ["discovery", "mqtt", "ssdp", "zeroconf", "dhcp"])
+@pytest.mark.parametrize(
+    "source",
+    [
+        config_entries.SOURCE_DISCOVERY,
+        config_entries.SOURCE_MQTT,
+        config_entries.SOURCE_SSDP,
+        config_entries.SOURCE_ZEROCONF,
+        config_entries.SOURCE_DHCP,
+    ],
+)
 async def test_discovery_single_instance(hass, discovery_flow_conf, source):
     """Test we not allow duplicates."""
     flow = config_entries.HANDLERS["test"]()
@@ -105,7 +114,16 @@ async def test_discovery_single_instance(hass, discovery_flow_conf, source):
     assert result["reason"] == "single_instance_allowed"
 
 
-@pytest.mark.parametrize("source", ["discovery", "mqtt", "ssdp", "zeroconf", "dhcp"])
+@pytest.mark.parametrize(
+    "source",
+    [
+        config_entries.SOURCE_DISCOVERY,
+        config_entries.SOURCE_MQTT,
+        config_entries.SOURCE_SSDP,
+        config_entries.SOURCE_ZEROCONF,
+        config_entries.SOURCE_DHCP,
+    ],
+)
 async def test_discovery_confirmation(hass, discovery_flow_conf, source):
     """Test we ask for confirmation via discovery."""
     flow = config_entries.HANDLERS["test"]()
diff --git a/tests/test_config_entries.py b/tests/test_config_entries.py
index 4de62cc0cfc..741953f552b 100644
--- a/tests/test_config_entries.py
+++ b/tests/test_config_entries.py
@@ -2068,7 +2068,7 @@ async def test_unignore_create_entry(hass, manager):
         # But after a 'tick' the unignore step has run and we can see a config entry.
         await hass.async_block_till_done()
         entry = hass.config_entries.async_entries("comp")[0]
-        assert entry.source == "unignore"
+        assert entry.source == config_entries.SOURCE_UNIGNORE
         assert entry.unique_id == "mock-unique-id"
         assert entry.title == "yo"
 
diff --git a/tests/test_data_entry_flow.py b/tests/test_data_entry_flow.py
index 47b21793656..34b07a2a871 100644
--- a/tests/test_data_entry_flow.py
+++ b/tests/test_data_entry_flow.py
@@ -5,7 +5,7 @@ from unittest.mock import patch
 import pytest
 import voluptuous as vol
 
-from homeassistant import data_entry_flow
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.util.decorator import Registry
 
 from tests.common import async_capture_events
@@ -182,7 +182,9 @@ async def test_discovery_init_flow(manager):
 
     data = {"id": "hello", "token": "secret"}
 
-    await manager.async_init("test", context={"source": "discovery"}, data=data)
+    await manager.async_init(
+        "test", context={"source": config_entries.SOURCE_DISCOVERY}, data=data
+    )
     assert len(manager.async_progress()) == 0
     assert len(manager.mock_created_entries) == 1
 
@@ -191,7 +193,7 @@ async def test_discovery_init_flow(manager):
     assert entry["handler"] == "test"
     assert entry["title"] == "hello"
     assert entry["data"] == data
-    assert entry["source"] == "discovery"
+    assert entry["source"] == config_entries.SOURCE_DISCOVERY
 
 
 async def test_finish_callback_change_result_type(hass):