Add Button entity component platform (#57642)

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

tests/components/button/test_device_trigger.py

@@ -0,0 +1,108 @@
+"""The tests for Button device triggers."""
+from __future__ import annotations
+
+import pytest
+
+from homeassistant.components import automation
+from homeassistant.components.button import DOMAIN
+from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.helpers import device_registry
+from homeassistant.helpers.entity_registry import EntityRegistry
+from homeassistant.setup import async_setup_component
+
+from tests.common import (
+    MockConfigEntry,
+    assert_lists_same,
+    async_get_device_automations,
+    async_mock_service,
+    mock_device_registry,
+    mock_registry,
+)
+
+
+@pytest.fixture
+def device_reg(hass: HomeAssistant) -> device_registry.DeviceRegistry:
+    """Return an empty, loaded, registry."""
+    return mock_device_registry(hass)
+
+
+@pytest.fixture
+def entity_reg(hass: HomeAssistant) -> EntityRegistry:
+    """Return an empty, loaded, registry."""
+    return mock_registry(hass)
+
+
+@pytest.fixture
+def calls(hass: HomeAssistant) -> list[ServiceCall]:
+    """Track calls to a mock service."""
+    return async_mock_service(hass, "test", "automation")
+
+
+async def test_get_triggers(
+    hass: HomeAssistant,
+    device_reg: device_registry.DeviceRegistry,
+    entity_reg: EntityRegistry,
+) -> None:
+    """Test we get the expected triggers from a button."""
+    config_entry = MockConfigEntry(domain="test", data={})
+    config_entry.add_to_hass(hass)
+    device_entry = device_reg.async_get_or_create(
+        config_entry_id=config_entry.entry_id,
+        connections={(device_registry.CONNECTION_NETWORK_MAC, "12:34:56:AB:CD:EF")},
+    )
+    entity_reg.async_get_or_create(DOMAIN, "test", "5678", device_id=device_entry.id)
+    expected_triggers = [
+        {
+            "platform": "device",
+            "domain": DOMAIN,
+            "type": "pressed",
+            "device_id": device_entry.id,
+            "entity_id": f"{DOMAIN}.test_5678",
+        }
+    ]
+    triggers = await async_get_device_automations(hass, "trigger", device_entry.id)
+    assert_lists_same(triggers, expected_triggers)
+
+
+async def test_if_fires_on_state_change(hass, calls):
+    """Test for turn_on and turn_off triggers firing."""
+    hass.states.async_set("button.entity", "unknown")
+
+    assert await async_setup_component(
+        hass,
+        automation.DOMAIN,
+        {
+            automation.DOMAIN: [
+                {
+                    "trigger": {
+                        "platform": "device",
+                        "domain": DOMAIN,
+                        "device_id": "",
+                        "entity_id": "button.entity",
+                        "type": "pressed",
+                    },
+                    "action": {
+                        "service": "test.automation",
+                        "data": {
+                            "some": (
+                                "to - {{ trigger.platform}} - "
+                                "{{ trigger.entity_id}} - {{ trigger.from_state.state}} - "
+                                "{{ trigger.to_state.state}} - {{ trigger.for }} - "
+                                "{{ trigger.id}}"
+                            )
+                        },
+                    },
+                }
+            ]
+        },
+    )
+
+    # Test triggering device trigger with a to state
+    hass.states.async_set("button.entity", "2021-01-01T23:59:59+00:00")
+    await hass.async_block_till_done()
+    assert len(calls) == 1
+    assert calls[0].data[
+        "some"
+    ] == "to - device - {} - unknown - 2021-01-01T23:59:59+00:00 - None - 0".format(
+        "button.entity"
+    )