Fix handling of HomeKit sources with unsafe characters (#88280)

fixes #87049

tests/components/homekit/test_type_media_players.py

@@ -562,3 +562,70 @@ async def test_media_player_television_duplicate_sources(
     )
     await hass.async_block_till_done()
     assert acc.char_input_source.value == 0
+
+
+async def test_media_player_television_unsafe_chars(
+    hass: HomeAssistant, hk_driver, events, caplog: pytest.LogCaptureFixture
+) -> None:
+    """Test if television accessory with unsafe characters."""
+    entity_id = "media_player.television"
+    sources = ["MUSIC", "HDMI 3/ARC", "SCREEN MIRRORING", "HDMI 2/MHL", "HDMI", "MUSIC"]
+    hass.states.async_set(
+        entity_id,
+        None,
+        {
+            ATTR_DEVICE_CLASS: MediaPlayerDeviceClass.TV,
+            ATTR_SUPPORTED_FEATURES: 3469,
+            ATTR_MEDIA_VOLUME_MUTED: False,
+            ATTR_INPUT_SOURCE: "HDMI 2/MHL",
+            ATTR_INPUT_SOURCE_LIST: sources,
+        },
+    )
+    await hass.async_block_till_done()
+    acc = TelevisionMediaPlayer(hass, hk_driver, "MediaPlayer", entity_id, 2, None)
+    await acc.run()
+    await hass.async_block_till_done()
+
+    assert acc.aid == 2
+    assert acc.category == 31  # Television
+
+    assert acc.char_active.value == 0
+    assert acc.char_remote_key.value == 0
+    assert acc.char_input_source.value == 3
+    assert acc.char_mute.value is False
+
+    hass.states.async_set(
+        entity_id,
+        None,
+        {
+            ATTR_DEVICE_CLASS: MediaPlayerDeviceClass.TV,
+            ATTR_SUPPORTED_FEATURES: 3469,
+            ATTR_MEDIA_VOLUME_MUTED: False,
+            ATTR_INPUT_SOURCE: "HDMI 3/ARC",
+            ATTR_INPUT_SOURCE_LIST: sources,
+        },
+    )
+    await hass.async_block_till_done()
+    assert acc.char_input_source.value == 1
+
+    call_select_source = async_mock_service(hass, DOMAIN, "select_source")
+
+    acc.char_input_source.client_update_value(3)
+    await hass.async_block_till_done()
+    assert call_select_source
+    assert call_select_source[0].data[ATTR_ENTITY_ID] == entity_id
+    assert call_select_source[0].data[ATTR_INPUT_SOURCE] == "HDMI 2/MHL"
+    assert len(events) == 1
+    assert events[-1].data[ATTR_VALUE] is None
+
+    assert acc.char_input_source.value == 3
+
+    acc.char_input_source.client_update_value(4)
+    await hass.async_block_till_done()
+    assert call_select_source
+    assert call_select_source[1].data[ATTR_ENTITY_ID] == entity_id
+    assert call_select_source[1].data[ATTR_INPUT_SOURCE] == "HDMI"
+    assert len(events) == 2
+    assert events[-1].data[ATTR_VALUE] is None
+
+    assert acc.char_input_source.value == 4