Fix RM mini 3 update manager (#40215)

homeassistant/components/broadlink/updater.py

@@ -1,12 +1,15 @@
 """Support for fetching data from Broadlink devices."""
 from abc import ABC, abstractmethod
 from datetime import timedelta
+from functools import partial
 import logging
 
+import broadlink as blk
 from broadlink.exceptions import (
     AuthorizationError,
     BroadlinkException,
     CommandNotSupportedError,
+    DeviceOfflineError,
     StorageError,
 )
 
@@ -18,6 +21,9 @@ _LOGGER = logging.getLogger(__name__)
 
 def get_update_manager(device):
     """Return an update manager for a given Broadlink device."""
+    if device.api.model.startswith("RM mini"):
+        return BroadlinkRMMini3UpdateManager(device)
+
     update_managers = {
         "A1": BroadlinkA1UpdateManager,
         "MP1": BroadlinkMP1UpdateManager,
@@ -95,6 +101,22 @@ class BroadlinkMP1UpdateManager(BroadlinkUpdateManager):
         return await self.device.async_request(self.device.api.check_power)
 
 
+class BroadlinkRMMini3UpdateManager(BroadlinkUpdateManager):
+    """Manages updates for Broadlink RM mini 3 devices."""
+
+    async def async_fetch_data(self):
+        """Fetch data from the device."""
+        hello = partial(
+            blk.discover,
+            discover_ip_address=self.device.api.host[0],
+            timeout=self.device.api.timeout,
+        )
+        devices = await self.device.hass.async_add_executor_job(hello)
+        if not devices:
+            raise DeviceOfflineError("The device is offline")
+        return {}
+
+
 class BroadlinkRMUpdateManager(BroadlinkUpdateManager):
     """Manages updates for Broadlink RM2 and RM4 devices."""
 

tests/components/broadlink/__init__.py

@@ -95,6 +95,9 @@ class BroadlinkDevice:
         with patch(
             "homeassistant.components.broadlink.device.blk.gendevice",
             return_value=mock_api,
+        ), patch(
+            "homeassistant.components.broadlink.updater.blk.discover",
+            return_value=[mock_api],
         ):
             await hass.config_entries.async_setup(mock_entry.entry_id)
             await hass.async_block_till_done()

tests/components/broadlink/test_device.py

@@ -164,7 +164,7 @@ async def test_device_setup_update_authorization_error(hass):
 
 async def test_device_setup_update_authentication_error(hass):
     """Test we handle an authentication error in the update step."""
-    device = get_device("Living Room")
+    device = get_device("Garage")
     mock_api = device.get_mock_api()
     mock_api.check_sensors.side_effect = blke.AuthorizationError()
     mock_api.auth.side_effect = (None, blke.AuthenticationError())
@@ -190,7 +190,7 @@ async def test_device_setup_update_authentication_error(hass):
 
 async def test_device_setup_update_broadlink_exception(hass):
     """Test we handle a Broadlink exception in the update step."""
-    device = get_device("Living Room")
+    device = get_device("Garage")
     mock_api = device.get_mock_api()
     mock_api.check_sensors.side_effect = blke.BroadlinkException()