Add unique ID to config entry in Luftdaten (#62176)

homeassistant/components/luftdaten/__init__.py

@@ -7,7 +7,6 @@ from luftdaten import Luftdaten
 from luftdaten.exceptions import LuftdatenError
 
 from homeassistant.components.sensor import SensorDeviceClass, SensorEntityDescription
-from homeassistant.config_entries import SOURCE_IMPORT
 from homeassistant.const import (
     CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
     CONF_MONITORED_CONDITIONS,
@@ -18,13 +17,11 @@ from homeassistant.const import (
     TEMP_CELSIUS,
     Platform,
 )
-from homeassistant.core import callback
 from homeassistant.exceptions import ConfigEntryNotReady
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
 from homeassistant.helpers.event import async_track_time_interval
 
-from .config_flow import duplicate_stations
 from .const import CONF_SENSOR_ID, DEFAULT_SCAN_INTERVAL, DOMAIN
 
 _LOGGER = logging.getLogger(__name__)
@@ -83,13 +80,6 @@ SENSOR_KEYS: list[str] = [desc.key for desc in SENSOR_TYPES]
 CONFIG_SCHEMA = cv.removed(DOMAIN, raise_if_present=False)
 
 
-@callback
-def _async_fixup_sensor_id(hass, config_entry, sensor_id):
-    hass.config_entries.async_update_entry(
-        config_entry, data={**config_entry.data, CONF_SENSOR_ID: int(sensor_id)}
-    )
-
-
 async def async_setup_entry(hass, config_entry):
     """Set up Luftdaten as config entry."""
     hass.data.setdefault(
@@ -100,19 +90,11 @@ async def async_setup_entry(hass, config_entry):
         },
     )
 
-    if not isinstance(config_entry.data[CONF_SENSOR_ID], int):
-        _async_fixup_sensor_id(hass, config_entry, config_entry.data[CONF_SENSOR_ID])
-
-    if (
-        config_entry.data[CONF_SENSOR_ID] in duplicate_stations(hass)
-        and config_entry.source == SOURCE_IMPORT
-    ):
-        _LOGGER.warning(
-            "Removing duplicate sensors for station %s",
-            config_entry.data[CONF_SENSOR_ID],
+    # For backwards compat, set unique ID
+    if config_entry.unique_id is None:
+        hass.config_entries.async_update_entry(
+            config_entry, unique_id=config_entry.data[CONF_SENSOR_ID]
         )
-        hass.async_create_task(hass.config_entries.async_remove(config_entry.entry_id))
-        return False
 
     try:
         luftdaten = LuftDatenData(

homeassistant/components/luftdaten/config_flow.py

@@ -18,25 +18,6 @@ import homeassistant.helpers.config_validation as cv
 from .const import CONF_SENSOR_ID, DEFAULT_SCAN_INTERVAL, DOMAIN
 
 
-@callback
-def configured_sensors(hass):
-    """Return a set of configured Luftdaten sensors."""
-    return {
-        entry.data[CONF_SENSOR_ID]
-        for entry in hass.config_entries.async_entries(DOMAIN)
-    }
-
-
-@callback
-def duplicate_stations(hass):
-    """Return a set of duplicate configured Luftdaten stations."""
-    stations = [
-        int(entry.data[CONF_SENSOR_ID])
-        for entry in hass.config_entries.async_entries(DOMAIN)
-    ]
-    return {x for x in stations if stations.count(x) > 1}
-
-
 class LuftDatenFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a Luftdaten config flow."""
 
@@ -59,10 +40,8 @@ class LuftDatenFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         if not user_input:
             return self._show_form()
 
-        sensor_id = user_input[CONF_SENSOR_ID]
-
-        if sensor_id in configured_sensors(self.hass):
-            return self._show_form({CONF_SENSOR_ID: "already_configured"})
+        await self.async_set_unique_id(str(user_input[CONF_SENSOR_ID]))
+        self._abort_if_unique_id_configured()
 
         luftdaten = Luftdaten(user_input[CONF_SENSOR_ID])
         try:
@@ -86,4 +65,6 @@ class LuftDatenFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         scan_interval = user_input.get(CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL)
         user_input.update({CONF_SCAN_INTERVAL: scan_interval.total_seconds()})
 
-        return self.async_create_entry(title=str(sensor_id), data=user_input)
+        return self.async_create_entry(
+            title=str(user_input[CONF_SENSOR_ID]), data=user_input
+        )

tests/components/luftdaten/conftest.py

@@ -0,0 +1,32 @@
+"""Fixtures for Luftdaten tests."""
+from __future__ import annotations
+
+from collections.abc import Generator
+from unittest.mock import patch
+
+import pytest
+
+from homeassistant.components.luftdaten import DOMAIN
+from homeassistant.components.luftdaten.const import CONF_SENSOR_ID
+
+from tests.common import MockConfigEntry
+
+
+@pytest.fixture
+def mock_config_entry() -> MockConfigEntry:
+    """Return the default mocked config entry."""
+    return MockConfigEntry(
+        title="12345",
+        domain=DOMAIN,
+        data={CONF_SENSOR_ID: 123456},
+        unique_id="12345",
+    )
+
+
+@pytest.fixture
+def mock_setup_entry() -> Generator[None, None, None]:
+    """Mock setting up a config entry."""
+    with patch(
+        "homeassistant.components.luftdaten.async_setup_entry", return_value=True
+    ):
+        yield

tests/components/luftdaten/test_config_flow.py

@@ -1,84 +1,114 @@
 """Define tests for the Luftdaten config flow."""
-from datetime import timedelta
-from unittest.mock import patch
+from unittest.mock import MagicMock, patch
 
-from homeassistant import data_entry_flow
-from homeassistant.components.luftdaten import DOMAIN, config_flow
+from luftdaten.exceptions import LuftdatenConnectionError
+
+from homeassistant.components.luftdaten import DOMAIN
 from homeassistant.components.luftdaten.const import CONF_SENSOR_ID
+from homeassistant.config_entries import SOURCE_USER
 from homeassistant.const import CONF_SCAN_INTERVAL, CONF_SHOW_ON_MAP
+from homeassistant.core import HomeAssistant
+from homeassistant.data_entry_flow import (
+    RESULT_TYPE_ABORT,
+    RESULT_TYPE_CREATE_ENTRY,
+    RESULT_TYPE_FORM,
+)
 
 from tests.common import MockConfigEntry
 
 
-async def test_duplicate_error(hass):
+async def test_duplicate_error(
+    hass: HomeAssistant, mock_config_entry: MockConfigEntry
+) -> None:
     """Test that errors are shown when duplicates are added."""
-    conf = {CONF_SENSOR_ID: "12345abcde"}
+    mock_config_entry.add_to_hass(hass)
 
-    MockConfigEntry(domain=DOMAIN, data=conf).add_to_hass(hass)
-    flow = config_flow.LuftDatenFlowHandler()
-    flow.hass = hass
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
 
-    result = await flow.async_step_user(user_input=conf)
-    assert result["errors"] == {CONF_SENSOR_ID: "already_configured"}
+    assert result.get("type") == RESULT_TYPE_FORM
+    assert result.get("step_id") == SOURCE_USER
+    assert "flow_id" in result
+
+    result2 = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={CONF_SENSOR_ID: 12345},
+    )
+
+    assert result2.get("type") == RESULT_TYPE_ABORT
+    assert result2.get("reason") == "already_configured"
 
 
-async def test_communication_error(hass):
+async def test_communication_error(hass: HomeAssistant) -> None:
     """Test that no sensor is added while unable to communicate with API."""
-    conf = {CONF_SENSOR_ID: "12345abcde"}
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
 
-    flow = config_flow.LuftDatenFlowHandler()
-    flow.hass = hass
+    assert result.get("type") == RESULT_TYPE_FORM
+    assert result.get("step_id") == SOURCE_USER
+    assert "flow_id" in result
 
-    with patch("luftdaten.Luftdaten.get_data", return_value=None):
-        result = await flow.async_step_user(user_input=conf)
-        assert result["errors"] == {CONF_SENSOR_ID: "invalid_sensor"}
+    with patch("luftdaten.Luftdaten.get_data", side_effect=LuftdatenConnectionError):
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            user_input={CONF_SENSOR_ID: 12345},
+        )
+
+    assert result2.get("type") == RESULT_TYPE_FORM
+    assert result2.get("step_id") == SOURCE_USER
+    assert result2.get("errors") == {CONF_SENSOR_ID: "cannot_connect"}
 
 
-async def test_invalid_sensor(hass):
+async def test_invalid_sensor(hass: HomeAssistant) -> None:
     """Test that an invalid sensor throws an error."""
-    conf = {CONF_SENSOR_ID: "12345abcde"}
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
 
-    flow = config_flow.LuftDatenFlowHandler()
-    flow.hass = hass
+    assert result.get("type") == RESULT_TYPE_FORM
+    assert result.get("step_id") == SOURCE_USER
+    assert "flow_id" in result
 
     with patch("luftdaten.Luftdaten.get_data", return_value=False), patch(
         "luftdaten.Luftdaten.validate_sensor", return_value=False
     ):
-        result = await flow.async_step_user(user_input=conf)
-        assert result["errors"] == {CONF_SENSOR_ID: "invalid_sensor"}
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            user_input={CONF_SENSOR_ID: 12345},
+        )
+
+    assert result2.get("type") == RESULT_TYPE_FORM
+    assert result2.get("step_id") == SOURCE_USER
+    assert result2.get("errors") == {CONF_SENSOR_ID: "invalid_sensor"}
 
 
-async def test_show_form(hass):
-    """Test that the form is served with no input."""
-    flow = config_flow.LuftDatenFlowHandler()
-    flow.hass = hass
-
-    result = await flow.async_step_user(user_input=None)
-
-    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
-    assert result["step_id"] == "user"
-
-
-async def test_step_user(hass):
+async def test_step_user(hass: HomeAssistant, mock_setup_entry: MagicMock) -> None:
     """Test that the user step works."""
-    conf = {
-        CONF_SENSOR_ID: "12345abcde",
-        CONF_SHOW_ON_MAP: False,
-        CONF_SCAN_INTERVAL: timedelta(minutes=5),
-    }
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
 
-    flow = config_flow.LuftDatenFlowHandler()
-    flow.hass = hass
+    assert result.get("type") == RESULT_TYPE_FORM
+    assert result.get("step_id") == SOURCE_USER
+    assert "flow_id" in result
 
     with patch("luftdaten.Luftdaten.get_data", return_value=True), patch(
         "luftdaten.Luftdaten.validate_sensor", return_value=True
     ):
-        result = await flow.async_step_user(user_input=conf)
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            user_input={
+                CONF_SENSOR_ID: 12345,
+                CONF_SHOW_ON_MAP: False,
+            },
+        )
 
-        assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
-        assert result["title"] == "12345abcde"
-        assert result["data"] == {
-            CONF_SENSOR_ID: "12345abcde",
-            CONF_SHOW_ON_MAP: False,
-            CONF_SCAN_INTERVAL: 300,
-        }
+    assert result2.get("type") == RESULT_TYPE_CREATE_ENTRY
+    assert result2.get("title") == "12345"
+    assert result2.get("data") == {
+        CONF_SENSOR_ID: 12345,
+        CONF_SHOW_ON_MAP: False,
+        CONF_SCAN_INTERVAL: 600.0,
+    }