def test_simplify_simple(self):
# type: () -> None
for first, second in ((CT('str'), CT('Text')),
(CT('bool'), CT('int')),
(CT('int'), CT('float'))):
assert remove_redundant_items([first, second]) == [second]
assert remove_redundant_items([second, first]) == [second]
def test_cannot_simplify(self):
# type: () -> None
for first, second in ((CT('str'), CT('int')), (CT('List', [CT('int')]),
CT('List',
[CT('str')])),
(CT('List'), CT('Set', [CT('int')]))):
assert remove_redundant_items([first, second]) == [first, second]
assert remove_redundant_items([second, first]) == [second, first]
def test_simplify_generics(self):
# type: () -> None
for first, second in ((CT('List'), CT('List', [CT('Text')])),
(CT('Set'), CT('Set', [CT('Text')])),
(CT('Dict'), CT('Dict',
[CT('str'), CT('int')]))):
assert remove_redundant_items([first, second]) == [second]
def test_simplify_multiple(self):
# type: () -> None
assert remove_redundant_items(
[CT('Text'), CT('str'),
CT('bool'), CT('int'),
CT('X')]) == [CT('Text'), CT('int'),
CT('X')]
