Allow for make_awaitable's return value to be re-used. (#8261)

1 files changed, 10 insertions, 3 deletions

diff --git a/tests/test_utils/__init__.py b/tests/test_utils/__init__.py

index 508aeba078..a298cc0fd3 100644
--- a/tests/test_utils/__init__.py
+++ b/tests/test_utils/__init__.py
@@ -17,6 +17,7 @@
 """
 Utilities for running the unit tests
 """
+from asyncio import Future
 from typing import Any, Awaitable, TypeVar
 
 TV = TypeVar("TV")
@@ -38,6 +39,12 @@ def get_awaitable_result(awaitable: Awaitable[TV]) -> TV:
     raise Exception("awaitable has not yet completed")
 
 
-async def make_awaitable(result: Any):
-    """Create an awaitable that just returns a result."""
-    return result
+def make_awaitable(result: Any) -> Awaitable[Any]:
+    """
+    Makes an awaitable, suitable for mocking an `async` function.
+    This uses Futures as they can be awaited multiple times so can be returned
+    to multiple callers.
+    """
+    future = Future()  # type: ignore
+    future.set_result(result)
+    return future