[Python-checkins] bpo-47038: Rewrite missed asyncio.wait_for test to use IsolatedAnsyncioTestCase (GH-31946) (#31948)

[asvetlov]

https://github.com/python/cpython/commit/36f62c55759c4246f969f60f7470ba756f77b268
commit: 36f62c55759c4246f969f60f7470ba756f77b268
branch: 3.10
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: asvetlov <andrew.svetlov at gmail.com>
date: 2022-03-17T02:19:51+02:00
summary:

bpo-47038: Rewrite missed asyncio.wait_for test to use IsolatedAnsyncioTestCase (GH-31946) (#31948)

(cherry picked from commit 3dd9bfac04d3dcdbfd3f8011a6c9d4b9ac8c116a)

Co-authored-by: Andrew Svetlov <andrew.svetlov at gmail.com>

Co-authored-by: Andrew Svetlov <andrew.svetlov at gmail.com>

files:
M Lib/test/test_asyncio/test_tasks.py
M Lib/test/test_asyncio/test_waitfor.py

diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py
index 7f3cf8b56ba66..0007b44a220c4 100644
--- a/Lib/test/test_asyncio/test_tasks.py
+++ b/Lib/test/test_asyncio/test_tasks.py
@@ -2292,32 +2292,6 @@ def test_task_source_traceback(self):
                           'test_task_source_traceback'))
         self.loop.run_until_complete(task)
 
-    def _test_cancel_wait_for(self, timeout):
-        loop = asyncio.new_event_loop()
-        self.addCleanup(loop.close)
-
-        async def blocking_coroutine():
-            fut = self.new_future(loop)
-            # Block: fut result is never set
-            await fut
-
-        task = loop.create_task(blocking_coroutine())
-
-        wait = loop.create_task(asyncio.wait_for(task, timeout))
-        loop.call_soon(wait.cancel)
-
-        self.assertRaises(asyncio.CancelledError,
-                          loop.run_until_complete, wait)
-
-        # Python issue #23219: cancelling the wait must also cancel the task
-        self.assertTrue(task.cancelled())
-
-    def test_cancel_blocking_wait_for(self):
-        self._test_cancel_wait_for(None)
-
-    def test_cancel_wait_for(self):
-        self._test_cancel_wait_for(60.0)
-
     def test_cancel_gather_1(self):
         """Ensure that a gathering future refuses to be cancelled once all
         children are done"""
diff --git a/Lib/test/test_asyncio/test_waitfor.py b/Lib/test/test_asyncio/test_waitfor.py
index b00815e153110..874aabf9bd715 100644
--- a/Lib/test/test_asyncio/test_waitfor.py
+++ b/Lib/test/test_asyncio/test_waitfor.py
@@ -264,6 +264,30 @@ async def inner():
 
         self.assertEqual(await inner_task, 42)
 
+    async def _test_cancel_wait_for(self, timeout):
+        loop = asyncio.get_running_loop()
+
+        async def blocking_coroutine():
+            fut = loop.create_future()
+            # Block: fut result is never set
+            await fut
+
+        task = asyncio.create_task(blocking_coroutine())
+
+        wait = asyncio.create_task(asyncio.wait_for(task, timeout))
+        loop.call_soon(wait.cancel)
+
+        with self.assertRaises(asyncio.CancelledError):
+            await wait
+
+        # Python issue #23219: cancelling the wait must also cancel the task
+        self.assertTrue(task.cancelled())
+
+    async def test_cancel_blocking_wait_for(self):
+        await self._test_cancel_wait_for(None)
+
+    async def test_cancel_wait_for(self):
+        await self._test_cancel_wait_for(60.0)
 
 
 if __name__ == '__main__':