Parametrize leak tests (#10577)

Small cleanup to the leak tests
#10569 (comment)

(cherry picked from commit 3c60cd2)

Author: bdraco

tests/test_leaks.py

@@ -9,34 +9,29 @@
 
 
 @pytest.mark.skipif(IS_PYPY, reason="gc.DEBUG_LEAK not available on PyPy")
-def test_client_response_does_not_leak_on_server_disconnected_error() -> None:
-    """Test that ClientResponse is collected after server disconnects.
-
-    https://github.com/aio-libs/aiohttp/issues/10535
-    """
-    leak_test_script = pathlib.Path(__file__).parent.joinpath(
-        "isolated", "check_for_client_response_leak.py"
-    )
-
-    with subprocess.Popen(
-        [sys.executable, "-u", str(leak_test_script)],
-        stdout=subprocess.PIPE,
-    ) as proc:
-        assert proc.wait() == 0, "ClientResponse leaked"
-
-
-@pytest.mark.skipif(IS_PYPY, reason="gc.DEBUG_LEAK not available on PyPy")
-def test_request_does_not_leak_when_request_handler_raises() -> None:
-    """Test that the Request object is collected when the handler raises.
-
-    https://github.com/aio-libs/aiohttp/issues/10548
-    """
-    leak_test_script = pathlib.Path(__file__).parent.joinpath(
-        "isolated", "check_for_request_leak.py"
-    )
+@pytest.mark.parametrize(
+    ("script", "message"),
+    [
+        (
+            # Test that ClientResponse is collected after server disconnects.
+            # https://github.com/aio-libs/aiohttp/issues/10535
+            "check_for_client_response_leak.py",
+            "ClientResponse leaked",
+        ),
+        (
+            # Test that Request object is collected when the handler raises.
+            # https://github.com/aio-libs/aiohttp/issues/10548
+            "check_for_request_leak.py",
+            "Request leaked",
+        ),
+    ],
+)
+def test_leak(script: str, message: str) -> None:
+    """Run isolated leak test script and check for leaks."""
+    leak_test_script = pathlib.Path(__file__).parent.joinpath("isolated", script)
 
     with subprocess.Popen(
         [sys.executable, "-u", str(leak_test_script)],
         stdout=subprocess.PIPE,
     ) as proc:
-        assert proc.wait() == 0, "Request leaked"
+        assert proc.wait() == 0, message