kopia lustrzana https://github.com/ihabunek/toot
30 wiersze
723 B
Python
30 wiersze
723 B
Python
"""
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Helpers for testing.
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"""
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import time
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from typing import Callable, TypeVar
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T = TypeVar("T")
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def run_with_retries(fn: Callable[..., T]) -> T:
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"""
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Run the the given function repeatedly until it finishes without raising an
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AssertionError. Sleep a bit between attempts. If the function doesn't
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succeed in the given number of tries raises the AssertionError. Used for
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tests which should eventually succeed.
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"""
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# Wait upto 6 seconds with incrementally longer sleeps
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delays = [0.1, 0.2, 0.3, 0.4, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5]
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for delay in delays:
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try:
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return fn()
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except AssertionError:
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time.sleep(delay)
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return fn()
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