Improve tests for Airly integration (#38357)

* Add tests

* More tests

* Add PARALLEL_UPDATES

* Change Quality scale to platinum

* Change PARALLEL_UPDATES value

tests/components/airly/test_init.py

@@ -0,0 +1,140 @@
+"""Test init of Airly integration."""
+from datetime import timedelta
+import json
+
+from homeassistant.components.airly.const import DOMAIN
+from homeassistant.config_entries import (
+    ENTRY_STATE_LOADED,
+    ENTRY_STATE_NOT_LOADED,
+    ENTRY_STATE_SETUP_RETRY,
+)
+from homeassistant.const import STATE_UNAVAILABLE
+
+from tests.async_mock import patch
+from tests.common import MockConfigEntry, load_fixture
+from tests.components.airly import init_integration
+
+
+async def test_async_setup_entry(hass):
+    """Test a successful setup entry."""
+    await init_integration(hass)
+
+    state = hass.states.get("air_quality.home")
+    assert state is not None
+    assert state.state != STATE_UNAVAILABLE
+    assert state.state == "14"
+
+
+async def test_config_not_ready(hass):
+    """Test for setup failure if connection to Airly is missing."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        title="Home",
+        unique_id="55.55-122.12",
+        data={
+            "api_key": "foo",
+            "latitude": 55.55,
+            "longitude": 122.12,
+            "name": "Home",
+        },
+    )
+
+    with patch("airly._private._RequestsHandler.get", side_effect=ConnectionError()):
+        entry.add_to_hass(hass)
+        await hass.config_entries.async_setup(entry.entry_id)
+        assert entry.state == ENTRY_STATE_SETUP_RETRY
+
+
+async def test_config_without_unique_id(hass):
+    """Test for setup entry without unique_id."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        title="Home",
+        data={
+            "api_key": "foo",
+            "latitude": 55.55,
+            "longitude": 122.12,
+            "name": "Home",
+        },
+    )
+
+    with patch(
+        "airly._private._RequestsHandler.get",
+        return_value=json.loads(load_fixture("airly_valid_station.json")),
+    ):
+        entry.add_to_hass(hass)
+        await hass.config_entries.async_setup(entry.entry_id)
+        assert entry.state == ENTRY_STATE_LOADED
+        assert entry.unique_id == "55.55-122.12"
+
+
+async def test_config_with_turned_off_station(hass):
+    """Test for setup entry for a turned off measuring station."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        title="Home",
+        unique_id="55.55-122.12",
+        data={
+            "api_key": "foo",
+            "latitude": 55.55,
+            "longitude": 122.12,
+            "name": "Home",
+        },
+    )
+
+    with patch(
+        "airly._private._RequestsHandler.get",
+        return_value=json.loads(load_fixture("airly_no_station.json")),
+    ):
+        entry.add_to_hass(hass)
+        await hass.config_entries.async_setup(entry.entry_id)
+        assert entry.state == ENTRY_STATE_SETUP_RETRY
+
+
+async def test_update_interval(hass):
+    """Test correct update interval when the number of configured instances changes."""
+    entry = await init_integration(hass)
+
+    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
+    assert entry.state == ENTRY_STATE_LOADED
+    for instance in hass.data[DOMAIN].values():
+        assert instance.update_interval == timedelta(minutes=15)
+
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        title="Work",
+        unique_id="66.66-111.11",
+        data={
+            "api_key": "foo",
+            "latitude": 66.66,
+            "longitude": 111.11,
+            "name": "Work",
+        },
+    )
+
+    with patch(
+        "airly._private._RequestsHandler.get",
+        return_value=json.loads(load_fixture("airly_valid_station.json")),
+    ):
+        entry.add_to_hass(hass)
+        await hass.config_entries.async_setup(entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert len(hass.config_entries.async_entries(DOMAIN)) == 2
+    assert entry.state == ENTRY_STATE_LOADED
+    for instance in hass.data[DOMAIN].values():
+        assert instance.update_interval == timedelta(minutes=30)
+
+
+async def test_unload_entry(hass):
+    """Test successful unload of entry."""
+    entry = await init_integration(hass)
+
+    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
+    assert entry.state == ENTRY_STATE_LOADED
+
+    assert await hass.config_entries.async_unload(entry.entry_id)
+    await hass.async_block_till_done()
+
+    assert entry.state == ENTRY_STATE_NOT_LOADED
+    assert not hass.data.get(DOMAIN)