Remove Home Assistant Cast user when removing entry (#44228)

* Remove Home Assistant Cast user when removing entry

* Fix test

* Fix test

homeassistant/components/cast/__init__.py

@@ -29,3 +29,8 @@ async def async_setup_entry(hass, entry: config_entries.ConfigEntry):
         hass.config_entries.async_forward_entry_setup(entry, "media_player")
     )
     return True
+
+
+async def async_remove_entry(hass, entry):
+    """Remove Home Assistant Cast user."""
+    await home_assistant_cast.async_remove_user(hass, entry)

homeassistant/components/cast/home_assistant_cast.py

@@ -72,3 +72,14 @@ async def async_setup_ha_cast(
             }
         ),
     )
+
+
+async def async_remove_user(
+    hass: core.HomeAssistant, entry: config_entries.ConfigEntry
+):
+    """Remove Home Assistant Cast user."""
+    user_id: Optional[str] = entry.data.get("user_id")
+
+    if user_id is not None:
+        user = await hass.auth.async_get_user(user_id)
+        await hass.auth.async_remove_user(user)

tests/components/cast/test_home_assistant_cast.py

@@ -1,5 +1,6 @@
 """Test Home Assistant Cast."""
 
+from homeassistant import config_entries
 from homeassistant.components.cast import home_assistant_cast
 from homeassistant.config import async_process_ha_core_config
 
@@ -86,3 +87,32 @@ async def test_use_cloud_url(hass, mock_zeroconf):
     assert len(calls) == 1
     controller = calls[0][0]
     assert controller.hass_url == "https://something.nabu.casa"
+
+
+async def test_remove_entry(hass, mock_zeroconf):
+    """Test removing config entry removes user."""
+    entry = MockConfigEntry(
+        connection_class=config_entries.CONN_CLASS_LOCAL_PUSH,
+        data={},
+        domain="cast",
+        title="Google Cast",
+    )
+
+    entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.cast.media_player._async_setup_platform"
+    ), patch(
+        "pychromecast.discovery.discover_chromecasts", return_value=(True, None)
+    ), patch(
+        "pychromecast.discovery.stop_discovery"
+    ):
+        assert await hass.config_entries.async_setup(entry.entry_id)
+        await hass.async_block_till_done()
+    assert "cast" in hass.config.components
+
+    user_id = entry.data.get("user_id")
+    assert await hass.auth.async_get_user(user_id)
+
+    assert await hass.config_entries.async_remove(entry.entry_id)
+    assert not await hass.auth.async_get_user(user_id)