def test_permutations(self):
data = ['abc', 'acb', 'bac', 'cab', 'cba', 'bca']
result = []
p = iter(Permutations())
for i in data:
result.append(next(p))
self.assertCountEqual(result, data)
self.assertRaises(StopIteration, next, p)
def test_permutations(self):
data = ['abc', 'acb', 'bac', 'cab', 'cba', 'bca']
result = []
p = iter(Permutations())
for i in data:
result.append(next(p))
assert len(result) == len(data)
with pytest.raises(StopIteration):
next(p)
def test_permutations():
expected_result = ['abc', 'acb', 'bac', 'cab', 'cba', 'bca']
result = []
p = iter(Permutations('abc'))
while True:
try:
result.append(next(p))
except StopIteration:
break
# Check length of result
assert len(result) == len(expected_result)
# Check that all result values are in expected_result
for value in result:
assert value in expected_result
expected_result.remove(value)
def test_permutations_is_iterator():
assert '__init__' in dir(Permutations)
iterator = iter(Permutations())
assert '__next__' in dir(iterator)
def test_is_iterator(self):
self.assertIn('__init__', dir(Permutations))
iterator = iter(Permutations())
self.assertIn('__next__', dir(iterator))