tqdm/tests/tests_itertools.py

27 lines
628 B
Python

"""
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)))