Add tests for diagnostics

tests/components/linear_garage_door/test_diagnostics.py

@@ -0,0 +1,39 @@
+"""Test diagnostics of Linear Garage Door."""
+
+from homeassistant.core import HomeAssistant
+
+from .util import async_init_integration
+
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_entry_diagnostics(
+    hass: HomeAssistant, hass_client: ClientSessionGenerator
+) -> None:
+    """Test config entry diagnostics."""
+    entry = await async_init_integration(hass)
+    result = await get_diagnostics_for_config_entry(hass, hass_client, entry)
+
+    assert result["entry"]["data"] == {
+        "email": "**REDACTED**",
+        "password": "**REDACTED**",
+        "site_id": "test-site-id",
+        "device_id": "test-uuid",
+    }
+    assert result["coordinator_data"] == {
+        "test1": {
+            "name": "Test Garage 1",
+            "subdevices": {
+                "GDO": {"Open_B": "true", "Open_P": "100"},
+                "Light": {"On_B": "true", "On_P": "100"},
+            },
+        },
+        "test2": {
+            "name": "Test Garage 2",
+            "subdevices": {
+                "GDO": {"Open_B": "false", "Open_P": "0"},
+                "Light": {"On_B": "false", "On_P": "0"},
+            },
+        },
+    }