Add testcase to check device data in registry

Author: bouwew

tests/components/plugwise/test_init.py

@@ -113,6 +113,28 @@ async def test_gateway_config_entry_not_ready(
     assert mock_config_entry.state is entry_state
 
 
+async def test_device_in_dr(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_smile_p1: MagicMock,
+    device_registry: dr.DeviceRegistry,
+) -> None:
+    """Test Gateway device registry data."""
+    mock_config_entry.add_to_hass(hass)
+    assert await async_setup_component(hass, DOMAIN, {})
+    await hass.async_block_till_done()
+
+    device_entry = device_registry.async_get_device(
+        identifiers={(DOMAIN, "a455b61e52394b2db5081ce025a430f3")}
+    )
+    assert device_entry.hw_version == "AME Smile 2.0 board"
+    assert device_entry.manufacturer == "Plugwise"
+    assert device_entry.model == "Gateway"
+    assert device_entry.model_id == "smile"
+    assert device_entry.name == "Smile P1"
+    assert device_entry.sw_version == "4.4.2"
+
+
 async def check_migration(
     hass: HomeAssistant,
     mock_config_entry: MockConfigEntry,