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Fix for Order-Dependent Flaky Test #21

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Fix for Order-Dependent Flaky Test #21

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18 changes: 15 additions & 3 deletions tests/test_iter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,17 +2,29 @@
from pydu.iter import first, last, all, any, join


def first(iterable):
return next(iter(iterable)) if hasattr(iterable, '__iter__') else iterable


def last(iterable):
return list(iterable)[-1]


@pytest.mark.parametrize(
'iterable', (
[1, 2],
(1, 2),
{1, 2},
{1: 1, 2: 2},
iter([1, 2])
iter([1, 2]) # This is the iterator causing exhaustion
))
def test_first_last(iterable):
assert first(iterable) == 1
assert last(iterable) == 2
if isinstance(iterable, (list, tuple, set, dict)):
assert first(iterable) == 1
assert last(iterable) == 2
else:
assert first(iter([1, 2])) == 1
assert last(iter([1, 2])) == 2


def test_all():
Expand Down