Fix a "coroutine not awaited" warning

python-trio · Jan 19, 2018 · 7d9357f · 7d9357f
1 parent 4b740df
commit 7d9357f
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/async_generator/_tests/test_util.py b/async_generator/_tests/test_util.py
@@ -157,18 +157,23 @@ async def switch_it():
             raise KeyError
 
 
-def test_asynccontextmanager_nice_message_on_sync_enter():
+async def test_asynccontextmanager_nice_message_on_sync_enter():
     @asynccontextmanager
     @async_generator
     async def xxx():  # pragma: no cover
-        pass
+        await yield_()
+
+    cm = xxx()
 
     with pytest.raises(RuntimeError) as excinfo:
-        with xxx():
+        with cm:
             pass  # pragma: no cover
 
     assert "async with" in str(excinfo.value)
 
+    async with cm:
+        pass
+
 
 async def test_asynccontextmanager_no_yield():
     @asynccontextmanager