fix tests

Lib/test/test_asyncio/test_events.py

@@ -22,7 +22,7 @@
 import unittest
 from unittest import mock
 import weakref
-
+import warnings
 if sys.platform not in ('win32', 'vxworks'):
     import tty
 
@@ -2055,7 +2055,9 @@ def test_remove_fds_after_closing(self):
     class UnixEventLoopTestsMixin(EventLoopTestsMixin):
         def setUp(self):
             super().setUp()
-            watcher = asyncio.SafeChildWatcher()
+            with warnings.catch_warnings():
+                warnings.simplefilter('ignore', DeprecationWarning)
+                watcher = asyncio.SafeChildWatcher()
             watcher.attach_loop(self.loop)
             asyncio.set_child_watcher(watcher)
 
@@ -2652,7 +2654,9 @@ def setUp(self):
         asyncio.set_event_loop(self.loop)
 
         if sys.platform != 'win32':
-            watcher = asyncio.SafeChildWatcher()
+            with warnings.catch_warnings():
+                warnings.simplefilter('ignore', DeprecationWarning)
+                watcher = asyncio.SafeChildWatcher()
             watcher.attach_loop(self.loop)
             asyncio.set_child_watcher(watcher)
 

Lib/test/test_asyncio/test_streams.py

@@ -9,6 +9,7 @@
 import threading
 import unittest
 from unittest import mock
+import warnings
 from test.support import socket_helper
 try:
     import ssl
@@ -791,8 +792,9 @@ def test_read_all_from_pipe_reader(self):
         protocol = asyncio.StreamReaderProtocol(reader, loop=self.loop)
         transport, _ = self.loop.run_until_complete(
             self.loop.connect_read_pipe(lambda: protocol, pipe))
-
-        watcher = asyncio.SafeChildWatcher()
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', DeprecationWarning)
+            watcher = asyncio.SafeChildWatcher()
         watcher.attach_loop(self.loop)
         try:
             asyncio.set_child_watcher(watcher)

Lib/test/test_asyncio/test_unix_events.py

@@ -12,6 +12,7 @@
 import threading
 import unittest
 from unittest import mock
+import warnings
 from test.support import os_helper
 from test.support import socket_helper
 
@@ -1686,12 +1687,16 @@ def test_close(self, m_waitpid):
 
 class SafeChildWatcherTests (ChildWatcherTestsMixin, test_utils.TestCase):
     def create_watcher(self):
-        return asyncio.SafeChildWatcher()
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            return asyncio.SafeChildWatcher()
 
 
 class FastChildWatcherTests (ChildWatcherTestsMixin, test_utils.TestCase):
     def create_watcher(self):
-        return asyncio.FastChildWatcher()
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            return asyncio.FastChildWatcher()
 
 
 class PolicyTests(unittest.TestCase):
@@ -1724,7 +1729,9 @@ def test_get_default_child_watcher(self):
 
     def test_get_child_watcher_after_set(self):
         policy = self.create_policy()
-        watcher = asyncio.FastChildWatcher()
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            watcher = asyncio.FastChildWatcher()
 
         policy.set_child_watcher(watcher)
         self.assertIs(policy._watcher, watcher)
@@ -1745,7 +1752,9 @@ def f():
             policy.get_event_loop().close()
 
         policy = self.create_policy()
-        policy.set_child_watcher(asyncio.SafeChildWatcher())
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            policy.set_child_watcher(asyncio.SafeChildWatcher())
 
         th = threading.Thread(target=f)
         th.start()
@@ -1757,7 +1766,9 @@ def test_child_watcher_replace_mainloop_existing(self):
 
         # Explicitly setup SafeChildWatcher,
         # default ThreadedChildWatcher has no _loop property
-        watcher = asyncio.SafeChildWatcher()
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            watcher = asyncio.SafeChildWatcher()
         policy.set_child_watcher(watcher)
         watcher.attach_loop(loop)