Improve tests for GIOS integration (#39514)

tests/components/gios/test_init.py

@@ -0,0 +1,54 @@
+"""Test init of GIOS integration."""
+from homeassistant.components.gios.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
+from tests.components.gios 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 == "4"
+
+
+async def test_config_not_ready(hass):
+    """Test for setup failure if connection to GIOS is missing."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        title="Home",
+        unique_id=123,
+        data={"station_id": 123, "name": "Home"},
+    )
+
+    with patch(
+        "homeassistant.components.gios.Gios._get_stations",
+        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_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)