test: verify AsyncStream.aclose() closes all child httpx clients

Tests that main, video, and chat httpx clients are closed after
aclose(), and that aclose() works when child clients were never
accessed (cached_property not triggered).

Author: aliev

tests/test_async_stream_close.py

@@ -0,0 +1,35 @@
+import pytest
+
+from getstream import AsyncStream
+
+
+@pytest.mark.asyncio
+class TestAsyncStreamClose:
+    async def test_aclose_closes_main_client(self):
+        client = AsyncStream(api_key="fake", api_secret="fake")
+
+        assert client.client.is_closed is False
+        await client.aclose()
+        assert client.client.is_closed is True
+
+    async def test_aclose_closes_video_client(self):
+        client = AsyncStream(api_key="fake", api_secret="fake")
+        _ = client.video  # trigger cached_property
+
+        assert client.video.client.is_closed is False
+        await client.aclose()
+        assert client.video.client.is_closed is True
+
+    async def test_aclose_closes_chat_client(self):
+        client = AsyncStream(api_key="fake", api_secret="fake")
+        _ = client.chat
+
+        assert client.chat.client.is_closed is False
+        await client.aclose()
+        assert client.chat.client.is_closed is True
+
+    async def test_aclose_without_child_clients(self):
+        """aclose() should work even if video/chat were never accessed."""
+        client = AsyncStream(api_key="fake", api_secret="fake")
+        await client.aclose()
+        assert client.client.is_closed is True