Fix tplink blocking startup by waiting for discovery (#111788)

* Fix tplink blocking statup by waiting for discovery

* remove started

homeassistant/components/tplink/__init__.py

@@ -28,7 +28,6 @@ from homeassistant.const import (
     CONF_MODEL,
     CONF_PASSWORD,
     CONF_USERNAME,
-    EVENT_HOMEASSISTANT_STARTED,
 )
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
@@ -112,14 +111,13 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the TP-Link component."""
     hass.data.setdefault(DOMAIN, {})
 
-    if discovered_devices := await async_discover_devices(hass):
-        async_trigger_discovery(hass, discovered_devices)
-
     async def _async_discovery(*_: Any) -> None:
         if discovered := await async_discover_devices(hass):
             async_trigger_discovery(hass, discovered)
 
-    hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STARTED, _async_discovery)
+    hass.async_create_background_task(
+        _async_discovery(), "tplink first discovery", eager_start=True
+    )
     async_track_time_interval(
         hass, _async_discovery, DISCOVERY_INTERVAL, cancel_on_shutdown=True
     )

tests/components/tplink/test_init.py

@@ -17,7 +17,6 @@ from homeassistant.const import (
     CONF_HOST,
     CONF_PASSWORD,
     CONF_USERNAME,
-    EVENT_HOMEASSISTANT_STARTED,
     STATE_ON,
     STATE_UNAVAILABLE,
 )
@@ -52,17 +51,13 @@ async def test_configuring_tplink_causes_discovery(hass: HomeAssistant) -> None:
         call_count = len(discover.mock_calls)
         assert discover.mock_calls
 
-        hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED)
+        async_fire_time_changed(hass, dt_util.utcnow() + timedelta(minutes=15))
         await hass.async_block_till_done()
         assert len(discover.mock_calls) == call_count * 2
 
-        async_fire_time_changed(hass, dt_util.utcnow() + timedelta(minutes=15))
-        await hass.async_block_till_done()
-        assert len(discover.mock_calls) == call_count * 3
-
         async_fire_time_changed(hass, dt_util.utcnow() + timedelta(minutes=30))
         await hass.async_block_till_done()
-        assert len(discover.mock_calls) == call_count * 4
+        assert len(discover.mock_calls) == call_count * 3
 
 
 async def test_config_entry_reload(hass: HomeAssistant) -> None: