def test_validator_decorator_single(self):
"""
"""
a = attr()
@a.validator
def v():
pass
assert _AndValidator((v, )) == a._validator
def test_validators_lists_to_wrapped_tuples(self):
"""
If a list is passed as validator, it's just converted to a tuple.
"""
def v1(_, __):
pass
def v2(_, __):
pass
a = attr.ib(validator=[v1, v2])
assert _AndValidator((v1, v2,)) == a._validator
def test_validator_decorator(self, wrap):
"""
If _CountingAttr.validator is used as a decorator and there is already
a decorator set, the decorators are composed using `and_`.
"""
def v(_, __):
pass
a = attr.ib(validator=wrap(v))
@a.validator
def v2(self, _, __):
pass
assert _AndValidator((v, v2,)) == a._validator
def test_validator_decorator(self):
"""
If _CountingAttr.validator is used as a decorator, the decorated method
is added to validators.
"""
def v(_, __):
pass
a = attr(validator=[v])
@a.validator
def v2(self, _, __):
pass
assert _AndValidator((
v,
v2,
)) == a._validator
