Improve test

python-trio · Jul 28, 2018 · ffb007f · ffb007f
1 parent 43bbe3b
commit ffb007f
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/sniffio/_tests/test_sniffio.py b/sniffio/_tests/test_sniffio.py
@@ -1,5 +1,4 @@
 import pytest
-import asyncio
 
 from .. import (
     current_async_library, AsyncLibraryNotFoundError,
@@ -22,6 +21,11 @@ def test_basics():
 
 
 def test_asyncio():
+    import asyncio
+
+    with pytest.raises(AsyncLibraryNotFoundError):
+        current_async_library()
+
     ran = []
 
     async def this_is_asyncio():
@@ -32,3 +36,6 @@ async def this_is_asyncio():
     loop.run_until_complete(this_is_asyncio())
     assert ran == [True]
     loop.close()
+
+    with pytest.raises(AsyncLibraryNotFoundError):
+        current_async_library()