Add matter switch platform (#83149)

tests/components/matter/test_switch.py

@@ -0,0 +1,85 @@
+"""Test Matter switches."""
+from unittest.mock import MagicMock, call
+
+from chip.clusters import Objects as clusters
+from matter_server.common.models.node import MatterNode
+import pytest
+
+from homeassistant.core import HomeAssistant
+
+from .common import (
+    set_node_attribute,
+    setup_integration_with_node_fixture,
+    trigger_subscription_callback,
+)
+
+
+@pytest.fixture(name="switch_node")
+async def switch_node_fixture(
+    hass: HomeAssistant, matter_client: MagicMock
+) -> MatterNode:
+    """Fixture for a switch node."""
+    return await setup_integration_with_node_fixture(
+        hass, "on-off-plugin-unit", matter_client
+    )
+
+
+async def test_turn_on(
+    hass: HomeAssistant,
+    matter_client: MagicMock,
+    switch_node: MatterNode,
+) -> None:
+    """Test turning on a switch."""
+    state = hass.states.get("switch.mock_onoff_plugin_unit")
+    assert state
+    assert state.state == "off"
+
+    await hass.services.async_call(
+        "switch",
+        "turn_on",
+        {
+            "entity_id": "switch.mock_onoff_plugin_unit",
+        },
+        blocking=True,
+    )
+
+    assert matter_client.send_device_command.call_count == 1
+    assert matter_client.send_device_command.call_args == call(
+        node_id=switch_node.node_id,
+        endpoint=1,
+        command=clusters.OnOff.Commands.On(),
+    )
+
+    set_node_attribute(switch_node, 1, 6, 0, True)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("switch.mock_onoff_plugin_unit")
+    assert state
+    assert state.state == "on"
+
+
+async def test_turn_off(
+    hass: HomeAssistant,
+    matter_client: MagicMock,
+    switch_node: MatterNode,
+) -> None:
+    """Test turning off a switch."""
+    state = hass.states.get("switch.mock_onoff_plugin_unit")
+    assert state
+    assert state.state == "off"
+
+    await hass.services.async_call(
+        "switch",
+        "turn_off",
+        {
+            "entity_id": "switch.mock_onoff_plugin_unit",
+        },
+        blocking=True,
+    )
+
+    assert matter_client.send_device_command.call_count == 1
+    assert matter_client.send_device_command.call_args == call(
+        node_id=switch_node.node_id,
+        endpoint=1,
+        command=clusters.OnOff.Commands.Off(),
+    )