def test_bad_input(self):
perms_org = 'rwxrwxrwx'
for i, _ in enumerate(perms_org):
perms = perms_org[0:i] + '1' + perms_org[i+1:]
with pytest.raises(ValueError):
Permissions.from_filemode(perms)
with pytest.raises(ValueError):
Permissions.from_filemode(perms_org[:-1])
with pytest.raises(ValueError):
Permissions.from_filemode(perms_org + 'x')
with pytest.raises(ValueError):
Permissions.from_filemode('')
def test_valid(self):
perms = (
('-r', '-w', '-xsS'),
('-r', '-w', '-xsS'),
('-r', '-w', '-xtT'),
)
perms = itertools.product(*perms[0], *perms[1], *perms[2])
for item in perms:
item = ''.join(item)
assert len(item) == 9
perm = Permissions.from_filemode(item)
assert isinstance(perm, Permissions)
assert perm.to_filemode() == item
def test_invalid_types(self):
for value in (123, object(), b'rwxrwxrwx', True, None):
with pytest.raises(TypeError):
Permissions.from_filemode(value)