def test_mutated(self):
perm = Permissions()
assert perm.to_octal() == '0000'
expected_int = 0
for item in Permission:
perm.set(item, True)
expected_int = expected_int | item
assert '0o' + perm.to_octal() == self._to_oct(expected_int)
def test_immutated(self):
for item in Permission:
perm = Permissions()
perm.set(item, True)
assert '0o' + perm.to_octal() == self._to_oct(item)
