Add some basic tests for gardena (#96777)

tests/components/gardena_bluetooth/test_init.py

@@ -0,0 +1,58 @@
+"""Test the Gardena Bluetooth setup."""
+
+from datetime import timedelta
+from unittest.mock import Mock
+
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.gardena_bluetooth import DeviceUnavailable
+from homeassistant.components.gardena_bluetooth.const import DOMAIN
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr
+from homeassistant.util import utcnow
+
+from . import WATER_TIMER_SERVICE_INFO
+
+from tests.common import MockConfigEntry, async_fire_time_changed
+
+
+async def test_setup(
+    hass: HomeAssistant,
+    mock_entry: MockConfigEntry,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test setup creates expected devices."""
+
+    mock_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_entry.entry_id)
+    await hass.async_block_till_done()
+
+    assert mock_entry.state is ConfigEntryState.LOADED
+
+    device_registry = dr.async_get(hass)
+    device = device_registry.async_get_device(
+        identifiers={(DOMAIN, WATER_TIMER_SERVICE_INFO.address)}
+    )
+    assert device == snapshot
+
+
+async def test_setup_retry(
+    hass: HomeAssistant, mock_entry: MockConfigEntry, mock_client: Mock
+) -> None:
+    """Test setup creates expected devices."""
+
+    original_read_char = mock_client.read_char.side_effect
+    mock_client.read_char.side_effect = DeviceUnavailable
+    mock_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_entry.entry_id)
+    await hass.async_block_till_done()
+
+    assert mock_entry.state is ConfigEntryState.SETUP_RETRY
+
+    mock_client.read_char.side_effect = original_read_char
+
+    async_fire_time_changed(hass, utcnow() + timedelta(seconds=10))
+    await hass.async_block_till_done()
+
+    assert mock_entry.state is ConfigEntryState.LOADED