1 files changed, 33 insertions, 0 deletions
diff --git a/tests/helpers.py b/tests/helpers.py
new file mode 100644
index 000000000..25059fa3a
--- /dev/null
+++ b/tests/helpers.py
@@ -0,0 +1,33 @@
+import asyncio
+import functools
+from unittest.mock import MagicMock
+
+
+__all__ = ('AsyncMock', 'async_test')
+
+
+# TODO: Remove me on 3.8
+# Allows you to mock a coroutine. Since the default `__call__` of `MagicMock`
+# is not a coroutine, trying to mock a coroutine with it will result in errors
+# as the default `__call__` is not awaitable. Use this class for monkeypatching
+# coroutines instead.
+class AsyncMock(MagicMock):
+    async def __call__(self, *args, **kwargs):
+        return super(AsyncMock, self).__call__(*args, **kwargs)
+
+
+def async_test(wrapped):
+    """
+    Run a test case via asyncio.
+
+    Example:
+
+        >>> @async_test
+        ... async def lemon_wins():
+        ...     assert True
+    """
+
+    @functools.wraps(wrapped)
+    def wrapper(*args, **kwargs):
+        return asyncio.run(wrapped(*args, **kwargs))
+    return wrapper