Added check for non-function-scoped async fixtures

agronholm · Aug 1, 2020 · a8db694 · a8db694
1 parent 1d52e95
commit a8db694
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/anyio/pytest_plugin.py b/src/anyio/pytest_plugin.py
@@ -73,6 +73,10 @@ def wrapper(*args, **kwargs):
 
     func = fixturedef.func
     if (isasyncgenfunction(func) or iscoroutinefunction(func)) and 'anyio' in request.keywords:
+        if fixturedef.scope != 'function':
+            raise RuntimeError(f"Async fixtures are not supported at the {fixturedef.scope!r} "
+                               f"scope - only the 'function' scope is supported")
+
         strip_argnames = []
         for argname in ('anyio_backend_name', 'anyio_backend_options'):
             if argname not in fixturedef.argnames: