Improve androidtv mac address handling and test coverage (#65749)

* Better mac addr handling and improve test coverage

* Apply suggested changes

* Apply more suggested changes

tests/components/androidtv/patchers.py

@@ -1,13 +1,17 @@
 """Define patches used for androidtv tests."""
-
 from unittest.mock import mock_open, patch
 
+from androidtv.constants import CMD_DEVICE_PROPERTIES, CMD_MAC_ETH0, CMD_MAC_WLAN0
+
 KEY_PYTHON = "python"
 KEY_SERVER = "server"
 
 ADB_DEVICE_TCP_ASYNC_FAKE = "AdbDeviceTcpAsyncFake"
 DEVICE_ASYNC_FAKE = "DeviceAsyncFake"
 
+PROPS_DEV_INFO = "fake\nfake\n0123456\nfake"
+PROPS_DEV_MAC = "ether ab:cd:ef:gh:ij:kl brd"
+
 
 class AdbDeviceTcpAsyncFake:
     """A fake of the `adb_shell.adb_device_async.AdbDeviceTcpAsync` class."""
@@ -100,12 +104,18 @@ def patch_connect(success):
     }
 
 
-def patch_shell(response=None, error=False):
+def patch_shell(response=None, error=False, mac_eth=False):
     """Mock the `AdbDeviceTcpAsyncFake.shell` and `DeviceAsyncFake.shell` methods."""
 
     async def shell_success(self, cmd, *args, **kwargs):
         """Mock the `AdbDeviceTcpAsyncFake.shell` and `DeviceAsyncFake.shell` methods when they are successful."""
         self.shell_cmd = cmd
+        if cmd == CMD_DEVICE_PROPERTIES:
+            return PROPS_DEV_INFO
+        if cmd == CMD_MAC_WLAN0:
+            return PROPS_DEV_MAC
+        if cmd == CMD_MAC_ETH0:
+            return PROPS_DEV_MAC if mac_eth else None
         return response
 
     async def shell_fail_python(self, cmd, *args, **kwargs):
@@ -185,15 +195,3 @@ PATCH_ANDROIDTV_UPDATE_EXCEPTION = patch(
     "androidtv.androidtv.androidtv_async.AndroidTVAsync.update",
     side_effect=ZeroDivisionError,
 )
-
-PATCH_DEVICE_PROPERTIES = patch(
-    "androidtv.basetv.basetv_async.BaseTVAsync.get_device_properties",
-    return_value={
-        "manufacturer": "a",
-        "model": "b",
-        "serialno": "c",
-        "sw_version": "d",
-        "wifimac": "ab:cd:ef:gh:ij:kl",
-        "ethmac": None,
-    },
-)