Add ZHA fan tests (#20712)

* add sensor tests

* add fan tests

* hound

* fix coveragerc

* update comments

tests/components/zha/test_fan.py

@@ -0,0 +1,115 @@
+"""Test zha fan."""
+from unittest.mock import call, patch
+from homeassistant.components import fan
+from homeassistant.const import STATE_ON, STATE_OFF
+from homeassistant.components.fan import (
+    ATTR_SPEED, DOMAIN, SERVICE_SET_SPEED
+)
+from homeassistant.const import (
+    ATTR_ENTITY_ID, SERVICE_TURN_ON, SERVICE_TURN_OFF)
+from tests.common import mock_coro
+from .common import (
+    async_init_zigpy_device, make_attribute, make_entity_id,
+    async_test_device_join
+)
+
+
+async def test_fan(hass, config_entry, zha_gateway):
+    """Test zha fan platform."""
+    from zigpy.zcl.clusters.hvac import Fan
+    from zigpy.zcl.foundation import Status
+
+    # create zigpy device
+    zigpy_device = await async_init_zigpy_device(
+        hass, [Fan.cluster_id], [], None, zha_gateway)
+
+    # load up fan domain
+    await hass.config_entries.async_forward_entry_setup(
+        config_entry, DOMAIN)
+    await hass.async_block_till_done()
+
+    cluster = zigpy_device.endpoints.get(1).fan
+    entity_id = make_entity_id(DOMAIN, zigpy_device, cluster)
+
+    # test that the fan was created and that it is off
+    assert hass.states.get(entity_id).state == STATE_OFF
+
+    # turn on at fan
+    attr = make_attribute(0, 1)
+    cluster.handle_message(False, 1, 0x0a, [[attr]])
+    await hass.async_block_till_done()
+    assert hass.states.get(entity_id).state == STATE_ON
+
+    # turn off at fan
+    attr.value.value = 0
+    cluster.handle_message(False, 0, 0x0a, [[attr]])
+    await hass.async_block_till_done()
+    assert hass.states.get(entity_id).state == STATE_OFF
+
+    # turn on from HA
+    with patch(
+            'zigpy.zcl.Cluster.write_attributes',
+            return_value=mock_coro([Status.SUCCESS, Status.SUCCESS])):
+        # turn on via UI
+        await async_turn_on(hass, entity_id)
+        assert len(cluster.write_attributes.mock_calls) == 1
+        assert cluster.write_attributes.call_args == call(
+            {'fan_mode': 2})
+
+    # turn off from HA
+    with patch(
+            'zigpy.zcl.Cluster.write_attributes',
+            return_value=mock_coro([Status.SUCCESS, Status.SUCCESS])):
+        # turn off via UI
+        await async_turn_off(hass, entity_id)
+        assert len(cluster.write_attributes.mock_calls) == 1
+        assert cluster.write_attributes.call_args == call(
+            {'fan_mode': 0})
+
+    # change speed from HA
+    with patch(
+            'zigpy.zcl.Cluster.write_attributes',
+            return_value=mock_coro([Status.SUCCESS, Status.SUCCESS])):
+        # turn on via UI
+        await async_set_speed(hass, entity_id, speed=fan.SPEED_HIGH)
+        assert len(cluster.write_attributes.mock_calls) == 1
+        assert cluster.write_attributes.call_args == call(
+            {'fan_mode': 3})
+
+    # test adding new fan to the network and HA
+    await async_test_device_join(hass, zha_gateway, Fan.cluster_id, DOMAIN,
+                                 expected_state=STATE_OFF)
+
+
+async def async_turn_on(hass, entity_id, speed=None):
+    """Turn fan on."""
+    data = {
+        key: value for key, value in [
+            (ATTR_ENTITY_ID, entity_id),
+            (ATTR_SPEED, speed),
+        ] if value is not None
+    }
+
+    await hass.services.async_call(
+        DOMAIN, SERVICE_TURN_ON, data, blocking=True)
+
+
+async def async_turn_off(hass, entity_id):
+    """Turn fan off."""
+    data = {ATTR_ENTITY_ID: entity_id} if entity_id else {}
+
+    await hass.services.async_call(
+        DOMAIN, SERVICE_TURN_OFF, data, blocking=True)
+
+
+async def async_set_speed(hass, entity_id, speed=None):
+    """Set speed for specified fan."""
+    data = {
+        key: value for key, value in [
+            (ATTR_ENTITY_ID, entity_id),
+            (ATTR_SPEED, speed),
+        ] if value is not None
+    }
+
+    await hass.services.async_call(
+        DOMAIN, SERVICE_SET_SPEED, data, blocking=True)