def test_izip_first_longer(self):
'''Test izip([1, 2, 3, 4, 5], ['a', 'b', 'c'])
'''
sequence_1 = [1, 2, 3, 4, 5]
sequence_2 = ['a', 'b', 'c']
expected = [[1, 'a'], [2, 'b'], [3, 'c']]
self.assertEqual(list(source.izip(sequence_1, sequence_2)), expected)
def test_izip_empty_sequences(self):
'''Test izip([1, 2, 3], [], [])
'''
sequence_1 = [1, 2, 3]
sequence_2 = sequence_3 = expected = []
self.assertEqual(list(source.izip(sequence_1, sequence_2, sequence_3)),
expected)
def test_izip_3_sequences(self):
'''Test izip([1, 2, 3, 4, 5], ['a', 'b', 'c'], [None, True, False])
'''
sequence_1 = [1, 2, 3, 4, 5]
sequence_2 = ['a', 'b', 'c']
sequence_3 = [None, True, False]
expected = [[1, 'a', None], [2, 'b', True], [3, 'c', False]]
self.assertEqual(list(source.izip(sequence_1, sequence_2, sequence_3)),
expected)
def test_izip_no_sequences(self):
'''Test izip([1, 2, 3, 4, 5], ['a', 'b', 'c'])
'''
expected = []
self.assertEqual(list(source.izip()), expected)