def test_is_iterator(self):
numbers = all_together([1, 2], (3, 4))
output = all_together(numbers, (5, 6))
self.assertEqual(next(output), 1)
self.assertEqual(next(numbers), 2)
def test_iterator(self):
outputs = all_together([1], [2])
self.assertEqual(list(outputs), [1, 2])
self.assertEqual(list(outputs), [])
def test_with_strings(self):
outputs = list(all_together([1, 2], (3, 4), "hello"))
expected = [1, 2, 3, 4, 'h', 'e', 'l', 'l', 'o']
self.assertEqual(outputs, expected)
def test_empty_list(self):
outputs = list(all_together([], (), '', [1, 2]))
self.assertEqual(outputs, [1, 2])
def test_list_and_tuple(self):
outputs = list(all_together([1, 2], (3, 4)))
expected = [1, 2, 3, 4]
self.assertEqual(outputs, expected)