Improve test coverage (#59531)

tests/components/cast/conftest.py

@@ -40,6 +40,7 @@ def mz_mock():
 def pycast_mock(castbrowser_mock, castbrowser_constructor_mock):
     """Mock pychromecast."""
     pycast_mock = MagicMock()
+    pycast_mock.IDLE_APP_ID = pychromecast.IDLE_APP_ID
     pycast_mock.IGNORE_CEC = []
     pycast_mock.discovery.CastBrowser = castbrowser_constructor_mock
     pycast_mock.discovery.CastBrowser.return_value = castbrowser_mock

tests/components/cast/test_media_player.py

@@ -27,7 +27,11 @@ from homeassistant.components.media_player.const import (
     SUPPORT_VOLUME_SET,
 )
 from homeassistant.config import async_process_ha_core_config
-from homeassistant.const import ATTR_ENTITY_ID, EVENT_HOMEASSISTANT_STOP
+from homeassistant.const import (
+    ATTR_ENTITY_ID,
+    CAST_APP_ID_HOMEASSISTANT_LOVELACE,
+    EVENT_HOMEASSISTANT_STOP,
+)
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
@@ -1025,6 +1029,73 @@ async def test_entity_media_states(hass: HomeAssistant):
     assert state.state == "unknown"
 
 
+async def test_entity_media_states_lovelace_app(hass: HomeAssistant):
+    """Test various entity media states when the lovelace app is active."""
+    entity_id = "media_player.speaker"
+    reg = er.async_get(hass)
+
+    info = get_fake_chromecast_info()
+    full_info = attr.evolve(
+        info, model_name="google home", friendly_name="Speaker", uuid=FakeUUID
+    )
+
+    chromecast, _ = await async_setup_media_player_cast(hass, info)
+    cast_status_cb, conn_status_cb, media_status_cb = get_status_callbacks(chromecast)
+
+    connection_status = MagicMock()
+    connection_status.status = "CONNECTED"
+    conn_status_cb(connection_status)
+    await hass.async_block_till_done()
+
+    state = hass.states.get(entity_id)
+    assert state is not None
+    assert state.name == "Speaker"
+    assert state.state == "off"
+    assert entity_id == reg.async_get_entity_id("media_player", "cast", full_info.uuid)
+
+    chromecast.app_id = CAST_APP_ID_HOMEASSISTANT_LOVELACE
+    cast_status = MagicMock()
+    cast_status_cb(cast_status)
+    await hass.async_block_till_done()
+    state = hass.states.get(entity_id)
+    assert state.state == "casting"
+
+    media_status = MagicMock(images=None)
+    media_status.player_is_playing = True
+    media_status_cb(media_status)
+    await hass.async_block_till_done()
+    state = hass.states.get(entity_id)
+    assert state.state == "casting"
+
+    media_status.player_is_playing = False
+    media_status.player_is_paused = True
+    media_status_cb(media_status)
+    await hass.async_block_till_done()
+    state = hass.states.get(entity_id)
+    assert state.state == "casting"
+
+    media_status.player_is_paused = False
+    media_status.player_is_idle = True
+    media_status_cb(media_status)
+    await hass.async_block_till_done()
+    state = hass.states.get(entity_id)
+    assert state.state == "casting"
+
+    chromecast.app_id = pychromecast.IDLE_APP_ID
+    media_status.player_is_idle = False
+    chromecast.is_idle = True
+    media_status_cb(media_status)
+    await hass.async_block_till_done()
+    state = hass.states.get(entity_id)
+    assert state.state == "off"
+
+    chromecast.is_idle = False
+    media_status_cb(media_status)
+    await hass.async_block_till_done()
+    state = hass.states.get(entity_id)
+    assert state.state == "unknown"
+
+
 async def test_group_media_states(hass, mz_mock):
     """Test media states are read from group if entity has no state."""
     entity_id = "media_player.speaker"