Add Velbus Button tests (#134186)

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

tests/components/velbus/conftest.py

@@ -28,6 +28,7 @@ def mock_controller(mock_button: AsyncMock) -> Generator[AsyncMock]:
     ):
         cont = controller.return_value
         cont.get_all_binary_sensor.return_value = [mock_button]
+        cont.get_all_button.return_value = [mock_button]
         yield controller
 
 
@@ -47,7 +48,6 @@ def mock_button() -> AsyncMock:
     return channel
 
 
-# moddify this one to set the runtime_data correctly
 @pytest.fixture(name="config_entry")
 async def mock_config_entry(
     hass: HomeAssistant,

tests/components/velbus/snapshots/test_button.ambr

@@ -0,0 +1,47 @@
+# serializer version: 1
+# name: test_entities[button.buttonon-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'button',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'button.buttonon',
+    'has_entity_name': False,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'ButtonOn',
+    'platform': 'velbus',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': 'a1b2c3d4e5f6-1',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_entities[button.buttonon-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'ButtonOn',
+    }),
+    'context': <ANY>,
+    'entity_id': 'button.buttonon',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'unknown',
+  })
+# ---

tests/components/velbus/test_button.py

@@ -0,0 +1,43 @@
+"""Velbus button platform tests."""
+
+from unittest.mock import AsyncMock, patch
+
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.button import DOMAIN as BUTTON_DOMAIN, SERVICE_PRESS
+from homeassistant.const import ATTR_ENTITY_ID, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import init_integration
+
+from tests.common import MockConfigEntry, snapshot_platform
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
+async def test_entities(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    config_entry: MockConfigEntry,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test all entities."""
+    with patch("homeassistant.components.velbus.PLATFORMS", [Platform.BUTTON]):
+        await init_integration(hass, config_entry)
+
+    await snapshot_platform(hass, entity_registry, snapshot, config_entry.entry_id)
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
+async def test_button_press(
+    hass: HomeAssistant,
+    mock_button: AsyncMock,
+    config_entry: MockConfigEntry,
+) -> None:
+    """Test button press."""
+    await init_integration(hass, config_entry)
+    await hass.services.async_call(
+        BUTTON_DOMAIN, SERVICE_PRESS, {ATTR_ENTITY_ID: "button.buttonon"}, blocking=True
+    )
+    mock_button.press.assert_called_once_with()