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[3.11] gh-110088, gh-109878: Fix test_asyncio timeouts (#110092) (#110099)

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gh-110088, gh-109878: Fix test_asyncio timeouts (#110092)

Fix test_asyncio timeouts: don't measure the maximum duration, a test
should not measure a CI performance. Only measure the minimum
duration when a task has a timeout or delay. Add CLOCK_RES to
test_asyncio.utils.

(cherry picked from commit db0a258e79)
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Victor Stinner 2023-09-29 14:16:15 +02:00 • committed by GitHub
parent d81bcc2327
commit 184ce1414b
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7 changed files with 19 additions and 54 deletions
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13
Lib/test/test_asyncio/test_windows_events.py
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@ -163,29 +163,25 @@ class ProactorTests(test_utils.TestCase):
# Wait for unset event with 0.5s timeout;
# result should be False at timeout
fut = self.loop._proactor.wait_for_handle(event, 0.5)
timeout = 0.5
fut = self.loop._proactor.wait_for_handle(event, timeout)
start = self.loop.time()
done = self.loop.run_until_complete(fut)
elapsed = self.loop.time() - start
self.assertEqual(done, False)
self.assertFalse(fut.result())
# bpo-31008: Tolerate only 450 ms (at least 500 ms expected),
# because of bad clock resolution on Windows
self.assertTrue(0.45 <= elapsed <= 0.9, elapsed)
self.assertGreaterEqual(elapsed, timeout - test_utils.CLOCK_RES)
_overlapped.SetEvent(event)
# Wait for set event;
# result should be True immediately
fut = self.loop._proactor.wait_for_handle(event, 10)
start = self.loop.time()
done = self.loop.run_until_complete(fut)
elapsed = self.loop.time() - start
self.assertEqual(done, True)
self.assertTrue(fut.result())
self.assertTrue(0 <= elapsed < 0.3, elapsed)
# asyncio issue #195: cancelling a done _WaitHandleFuture
# must not crash
@ -199,11 +195,8 @@ class ProactorTests(test_utils.TestCase):
# CancelledError should be raised immediately
fut = self.loop._proactor.wait_for_handle(event, 10)
fut.cancel()
start = self.loop.time()
with self.assertRaises(asyncio.CancelledError):
self.loop.run_until_complete(fut)
elapsed = self.loop.time() - start
self.assertTrue(0 <= elapsed < 0.1, elapsed)
# asyncio issue #195: cancelling a _WaitHandleFuture twice
# must not crash