def test_collect_short_circuits(self) -> None:
"""Ensure collect does not iterate after an err is reached."""
until_err: t.List[Result[int, str]] = [Ok(1), Ok(2), Err("no")]
def _iterable() -> t.Iterable[Result[int, str]]:
yield from until_err
# If we continue iterating after the err, we will raise a
# runtime Error.
assert False, "Result.collect() did not short circuit on err!"
assert Result.collect(_iterable()) == Err("no")
def test_collect(self, iterable: t.Iterable[Result[int, str]],
exp: Result[int, str]) -> None:
"""Test collecting an iterable of results into a single result."""
assert Result.collect(iterable) == exp