def test_roundrobin_with_only_one_iterable(self):
generator = roundrobin('ABC')
output = ''.join(generator)
self.assertEqual(output, 'ABC')
def test_roundrobin_against_unequal_iterables(self):
generator = roundrobin('AB', 'CDEFGHI')
output = ''.join(generator)
self.assertEqual(output, 'ACBDEFGHI')
def test_roundrobin_with_letters(self):
generator = roundrobin('ABC', 'D', 'EF')
output = ''.join(generator)
self.assertEqual(output, 'ADEBFC')
def test_roundrobin_with_letters(self):
generator = roundrobin("ABC", "D", "EF")
output = "".join(generator)
self.assertEqual(output, "ADEBFC")
def test_roundrobin_with_only_one_iterable(self):
generator = roundrobin("ABC")
output = "".join(generator)
self.assertEqual(output, "ABC")
def test_roundrobin_against_unequal_iterables(self):
generator = roundrobin("AB", "CDEFGHI")
output = "".join(generator)
self.assertEqual(output, "ACBDEFGHI")
