text: """Test Home Assistant Cast."""
  from unittest.mock import Mock, patch
  
  from homeassistant.components.cast import home_assistant_cast
  
  from tests.common import MockConfigEntry, async_mock_signal
  
  
  async def test_service_show_view(hass):
      """Test we don't set app id in prod."""
      hass.config.api = Mock(base_url="http://example.com")
      await home_assistant_cast.async_setup_ha_cast(hass, MockConfigEntry())
      calls = async_mock_signal(hass, home_assistant_cast.SIGNAL_HASS_CAST_SHOW_VIEW)
  
      await hass.services.async_call(
          "cast",
          "show_lovelace_view",
          {"entity_id": "media_player.kitchen", "view_path": "mock_path"},
          blocking=True,
      )
  
      assert len(calls) == 1
      controller, entity_id, view_path, url_path = calls[0]
      assert controller.hass_url == "http://example.com"
      assert controller.client_id is None
      # Verify user did not accidentally submit their dev app id
      assert controller.supporting_app_id == "B12CE3CA"
      assert entity_id == "media_player.kitchen"
      assert view_path == "mock_path"
      assert url_path is None
  
  
  async def test_service_show_view_dashboard(hass):
      """Test casting a specific dashboard."""
      hass.config.api = Mock(base_url="http://example.com")
      await home_assistant_cast.async_setup_ha_cast(hass, MockConfigEntry())
      calls = async_mock_signal(hass, home_assistant_cast.SIGNAL_HASS_CAST_SHOW_VIEW)
  
      await hass.services.async_call(
          "cast",
          "show_lovelace_view",
          {
              "entity_id": "media_player.kitchen",
              "view_path": "mock_path",
              "dashboard_path": "mock-dashboard",
          },
          blocking=True,
      )
  
      assert len(calls) == 1
      _controller, entity_id, view_path, url_path = calls[0]
      assert entity_id == "media_player.kitchen"
      assert view_path == "mock_path"
      assert url_path == "mock-dashboard"
  
  
  async def test_use_cloud_url(hass):
      """Test that we fall back to cloud url."""
      hass.config.api = Mock(base_url="http://example.com")
      await home_assistant_cast.async_setup_ha_cast(hass, MockConfigEntry())
      calls = async_mock_signal(hass, home_assistant_cast.SIGNAL_HASS_CAST_SHOW_VIEW)
  
      with patch(
          "homeassistant.components.cloud.async_remote_ui_url",
          return_value="https://something.nabu.acas",
      ):
          await hass.services.async_call(
              "cast",
              "show_lovelace_view",
              {"entity_id": "media_player.kitchen", "view_path": "mock_path"},
              blocking=True,
          )
  
      assert len(calls) == 1
      controller = calls[0][0]
      assert controller.hass_url == "https://something.nabu.acas"
  