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| author | Victor Stinner <vstinner@python.org> | 2022-06-15 16:28:00 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-15 16:28:00 (GMT) |
| commit | 41fccd23e9b4397d6cc294b42e1a198cd8f8b268 (patch) | |
| tree | 1d6bf960cbbaf6c97e40d9e95534fcb12f5cab0e /Lib/test/test_asyncio | |
| parent | 99be1cbeb3b58f0daa9108abc4075412d6212169 (diff) | |
| download | cpython-41fccd23e9b4397d6cc294b42e1a198cd8f8b268.zip cpython-41fccd23e9b4397d6cc294b42e1a198cd8f8b268.tar.gz cpython-41fccd23e9b4397d6cc294b42e1a198cd8f8b268.tar.bz2 | |
test_asyncio: run_until() implements exponential sleep (#93866)
run_until() of test.test_asyncio.utils now uses an exponential sleep
delay (max: 1 second), rather than a fixed delay of 1 ms. Similar
design than support.sleeping_retry() wait strategy that applies
exponential backoff.
Diffstat (limited to 'Lib/test/test_asyncio')
| -rw-r--r-- | Lib/test/test_asyncio/utils.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/test/test_asyncio/utils.py b/Lib/test/test_asyncio/utils.py index 07ef33d..507daa1 100644 --- a/Lib/test/test_asyncio/utils.py +++ b/Lib/test/test_asyncio/utils.py @@ -109,10 +109,12 @@ def run_briefly(loop): def run_until(loop, pred, timeout=support.SHORT_TIMEOUT): + delay = 0.001 for _ in support.busy_retry(timeout, error=False): if pred(): break - loop.run_until_complete(tasks.sleep(0.001)) + loop.run_until_complete(tasks.sleep(delay)) + delay = max(delay * 2, 1.0) else: raise futures.TimeoutError() |