utilities: Add a decorator for asyncio tests

This decorator works to allow tests for pure asyncio coroutines to
operate synchronously.

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/utilities.py b/tests/utilities.py
index 2f5d2611..438cb798 100644
--- a/tests/utilities.py
+++ b/tests/utilities.py
@@ -16,6 +16,7 @@
 
 """Helpers for unittests themselves."""
 
+import asyncio
 import functools
 import unittest
 
@@ -186,3 +187,14 @@ def expected_failure(func):
     """
     func.todo = 'expected failure'
     return func
+
+
+def async_test(coro):
+    """Run an asyncrounous test synchronously."""
+
+    @functools.wraps(coro)
+    def _actual(*args, **kwargs):
+        loop = asyncio.get_event_loop()
+        return loop.run_until_complete(coro(*args, **kwargs))
+
+    return _actual