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- """
- Tests for `tqdm.contrib.itertools`.
- """
- import itertools as it
- from tqdm.contrib.itertools import product
- from .tests_tqdm import StringIO, closing
- class NoLenIter(object):
- def __init__(self, iterable):
- self._it = iterable
- def __iter__(self):
- for i in self._it:
- yield i
- def test_product():
- """Test contrib.itertools.product"""
- with closing(StringIO()) as our_file:
- a = range(9)
- assert list(product(a, a[::-1], file=our_file)) == list(it.product(a, a[::-1]))
- assert list(product(a, NoLenIter(a), file=our_file)) == list(it.product(a, NoLenIter(a)))
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