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tests: add precondition for test_recursive_deep #121

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Merged
karlicoss merged 1 commit into from
Aug 11, 2026
Merged

tests: add precondition for test_recursive_deep #121

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10 changes: 10 additions & 0 deletions src/cachew/tests/test_cachew.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1359,6 +1359,16 @@ def factorials(n: int) -> Iterable[int]:


def test_recursive_deep(tmp_path: Path) -> None:
if settings.DEFAULT_BACKEND == 'sqlite' and sys.platform != 'win32':
import resource

soft_limit, hard_limit = resource.getrlimit(resource.RLIMIT_NOFILE)
required_soft_limit = 2048
assert soft_limit == resource.RLIM_INFINITY or soft_limit >= required_soft_limit, (
f'test_recursive_deep[sqlite] requires an open-file soft limit of at least {required_soft_limit}; '
f'got soft={soft_limit}, hard={hard_limit}. Run `ulimit -Sn {required_soft_limit}` before the tests.'
)

@cachew(tmp_path)
def numbers(n: int) -> Iterable[int]:
if n == 0:
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