Keep TTS media browser params in identifier

homeassistant/components/tts/media_source.py

@@ -70,8 +70,8 @@ async def async_browse_media(
     ) -> BrowseMediaSource:
         """Return media."""
         if item.identifier:
-            provider, _, _ = item.identifier.partition("?")
-            return self._provider_item(provider)
+            provider, _, params = item.identifier.partition("?")
+            return self._provider_item(provider, params)
 
         # Root. List providers.
         manager: SpeechManager = self.hass.data[DOMAIN]
@@ -89,17 +89,24 @@ async def async_browse_media(
         )
 
     @callback
-    def _provider_item(self, provider_domain: str) -> BrowseMediaSource:
+    def _provider_item(
+        self, provider_domain: str, params: str | None = None
+    ) -> BrowseMediaSource:
         """Return provider item."""
         manager: SpeechManager = self.hass.data[DOMAIN]
         provider = manager.providers.get(provider_domain)
 
         if provider is None:
             raise BrowseError("Unknown provider")
 
+        if params:
+            params = f"?{params}"
+        else:
+            params = ""
+
         return BrowseMediaSource(
             domain=DOMAIN,
-            identifier=provider_domain,
+            identifier=f"{provider_domain}{params}",
             media_class=MEDIA_CLASS_APP,
             media_content_type="provider",
             title=provider.name,

tests/components/tts/test_media_source.py

@@ -42,6 +42,20 @@ async def test_browsing(hass):
         hass, item.children[0].media_content_id
     )
     assert item_child is not None
+    assert item_child.media_content_id == item.children[0].media_content_id
+    assert item_child.title == "Demo"
+    assert item_child.children is None
+    assert item_child.can_play is False
+    assert item_child.can_expand is True
+
+    item_child = await media_source.async_browse_media(
+        hass, item.children[0].media_content_id + "?message=bla"
+    )
+    assert item_child is not None
+    assert (
+        item_child.media_content_id
+        == item.children[0].media_content_id + "?message=bla"
+    )
     assert item_child.title == "Demo"
     assert item_child.children is None
     assert item_child.can_play is False