Add test for running sync code within executor (#894)

jacobtomlinson · web-flow · commit 90bc8ca8dce1 · 2021-07-04T09:15:22.000-05:00
diff --git a/tests/test_asyncio.py b/tests/test_asyncio.py
@@ -101,6 +101,17 @@ async def test_async_with_sync_passed_in_closed_in_async() -> None:
     await aiozc.async_close()
 
 
+@pytest.mark.asyncio
+async def test_sync_within_event_loop_executor() -> None:
+    """Test sync version still works from an executor within an event loop."""
+    def sync_code():
+        zc = Zeroconf(interfaces=['127.0.0.1'])
+        assert zc.get_service_info("_neverused._tcp.local.", "xneverused._neverused._tcp.local.", 10) is None
+        zc.close()
+
+    await asyncio.get_event_loop().run_in_executor(None, sync_code)
+
+
 @pytest.mark.asyncio
 async def test_async_service_registration() -> None:
     """Test registering services broadcasts the registration by default."""
