Add WLED integration (#28542)

* Add WLED integration

* Use f-string for uniq id in sensor platform

* Typing improvements

* Removes sensor & light platform

* Remove PARALLEL_UPDATES from integration level

* Correct type in code comment 'themselves'

* Use async_track_time_interval in async context

* Remove stale code

* Remove decorator from Flow handler

* Remove unused __init__ from config flow

* Move show form methods to sync

* Only wrap lines that can raise in try except block

* Remove domain and platform from uniq id

* Wrap light state in bool object in is_on method

* Use async_schedule_update_ha_state in async context

* Return empty dict in device state attributes instead of None

* Remove unneeded setdefault call in setup entry

* Cancel update timer on entry unload

* Restructure config flow code

* Adjust tests for new uniq id

* Correct typo AdGuard Home -> WLED in config flow file comment

* Convert internal package imports to be relative

* Reformat JSON files with Prettier

* Improve tests based on review comments

* Add test for zeroconf when no data is provided

* Cleanup and extended tests

tests/components/wled/test_init.py

@@ -0,0 +1,60 @@
+"""Tests for the WLED integration."""
+import aiohttp
+from asynctest import patch
+
+from homeassistant.components.wled.const import DOMAIN
+from homeassistant.config_entries import ENTRY_STATE_SETUP_RETRY
+from homeassistant.const import STATE_ON
+from homeassistant.core import HomeAssistant
+
+from tests.components.wled import init_integration
+from tests.test_util.aiohttp import AiohttpClientMocker
+
+
+async def test_config_entry_not_ready(
+    hass: HomeAssistant, aioclient_mock: AiohttpClientMocker
+) -> None:
+    """Test the WLED configuration entry not ready."""
+    aioclient_mock.get("http://example.local:80/json/", exc=aiohttp.ClientError)
+
+    entry = await init_integration(hass, aioclient_mock)
+    assert entry.state == ENTRY_STATE_SETUP_RETRY
+
+
+async def test_unload_config_entry(
+    hass: HomeAssistant, aioclient_mock: AiohttpClientMocker
+) -> None:
+    """Test the WLED configuration entry unloading."""
+    entry = await init_integration(hass, aioclient_mock)
+    assert hass.data[DOMAIN]
+
+    await hass.config_entries.async_unload(entry.entry_id)
+    await hass.async_block_till_done()
+    assert not hass.data.get(DOMAIN)
+
+
+async def test_interval_update(
+    hass: HomeAssistant, aioclient_mock: AiohttpClientMocker
+) -> None:
+    """Test the WLED configuration entry unloading."""
+    entry = await init_integration(hass, aioclient_mock, skip_setup=True)
+
+    interval_action = False
+
+    def async_track_time_interval(hass, action, interval):
+        nonlocal interval_action
+        interval_action = action
+
+    with patch(
+        "homeassistant.components.wled.async_track_time_interval",
+        new=async_track_time_interval,
+    ):
+        await hass.config_entries.async_setup(entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert interval_action
+    await interval_action()  # pylint: disable=not-callable
+    await hass.async_block_till_done()
+
+    state = hass.states.get("light.wled_rgb_light")
+    assert state.state == STATE_ON