k1nq
52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
import pytest
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from app.processing import retry_async
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async def test_retry_uses_exponential_delay_and_returns_success() -> None:
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calls = 0
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delays: list[float] = []
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async def operation() -> str:
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nonlocal calls
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calls += 1
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if calls < 3:
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raise RuntimeError("temporary failure")
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return "processed"
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async def record_sleep(delay: float) -> None:
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delays.append(delay)
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result = await retry_async(
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operation,
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attempts=3,
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base_delay=1,
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sleep=record_sleep,
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)
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assert result == "processed"
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assert calls == 3
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assert delays == [1, 2]
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async def test_retry_raises_last_error_after_three_attempts() -> None:
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calls = 0
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async def operation() -> None:
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nonlocal calls
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calls += 1
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raise RuntimeError(f"failure {calls}")
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async def no_sleep(_: float) -> None:
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pass
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with pytest.raises(RuntimeError, match="failure 3"):
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await retry_async(
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operation,
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attempts=3,
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base_delay=1,
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sleep=no_sleep,
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)
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assert calls == 3
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