Use friendly name for camera media source (#110882)

tests/components/camera/conftest.py

@@ -8,6 +8,7 @@ from homeassistant.components import camera
 from homeassistant.components.camera.const import StreamType
 from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.setup import async_setup_component
 
 from .common import WEBRTC_ANSWER
@@ -70,3 +71,37 @@ async def mock_camera_web_rtc_fixture(hass):
         return_value=WEBRTC_ANSWER,
     ):
         yield
+
+
+@pytest.fixture(name="mock_camera_with_device")
+async def mock_camera_with_device_fixture():
+    """Initialize a demo camera platform with a device."""
+    dev_info = DeviceInfo(
+        identifiers={("camera", "test_unique_id")},
+        name="Test Camera Device",
+    )
+
+    class UniqueIdMock(PropertyMock):
+        def __get__(self, obj, obj_type=None):
+            return obj.name
+
+    with patch(
+        "homeassistant.components.camera.Camera.has_entity_name",
+        new_callable=PropertyMock(return_value=True),
+    ), patch(
+        "homeassistant.components.camera.Camera.unique_id", new=UniqueIdMock()
+    ), patch(
+        "homeassistant.components.camera.Camera.device_info",
+        new_callable=PropertyMock(return_value=dev_info),
+    ):
+        yield
+
+
+@pytest.fixture(name="mock_camera_with_no_name")
+async def mock_camera_with_no_name_fixture(mock_camera_with_device):
+    """Initialize a demo camera platform with a device and no name."""
+    with patch(
+        "homeassistant.components.camera.Camera._attr_name",
+        new_callable=PropertyMock(return_value=None),
+    ):
+        yield