Ignore deprecation warnings in asyncio tests

Author: ambv

Lib/test/test_asyncio/__init__.py

@@ -1,8 +1,46 @@
 import os
-from test.support import load_package_tests, import_module
+from test import support
+import unittest
 
 # Skip tests if we don't have concurrent.futures.
-import_module('concurrent.futures')
+support.import_module('concurrent.futures')
+module_deprecation_tokens = set()
 
-def load_tests(*args):
-    return load_package_tests(os.path.dirname(__file__), *args)
+
+def load_tests(loader, _, pattern):
+    pkg_dir = os.path.dirname(__file__)
+    suite = AsyncioTestSuite()
+    return support.load_package_tests(pkg_dir, loader, suite, pattern)
+
+
+class AsyncioTestSuite(unittest.TestSuite):
+    """A custom test suite that also runs setup/teardown for the whole package.
+
+    Normally unittest only runs setUpModule() and tearDownModule() within each
+    test module part of the test suite. Copying those functions to each file
+    would be tedious, let's run this once and for all.
+    """
+    def run(self, result, debug=False):
+        try:
+            setUpModule()
+            super().run(result, debug=debug)
+        finally:
+            tearDownModule()
+
+
+def setUpModule():
+    ignore = support.ignore_deprecations_from
+    module_deprecation_tokens.update((
+        ignore("asyncio.base_events", like=r".*loop argument.*"),
+        ignore("asyncio.unix_events", like=r".*loop argument.*"),
+        ignore("asyncio.futures", like=r".*loop argument.*"),
+        ignore("asyncio.runners", like=r".*loop argument.*"),
+        ignore("asyncio.subprocess", like=r".*loop argument.*"),
+        ignore("asyncio.tasks", like=r".*loop argument.*"),
+        ignore("test.test_asyncio.test_queues", like=r".*loop argument.*"),
+        ignore("test.test_asyncio.test_tasks", like=r".*loop argument.*"),
+    ))
+
+
+def tearDownModule():
+    support.clear_ignored_deprecations(*module_deprecation_tokens)