def test_list_users_request_invalid_filters():
filters = 5
request = ListUsersRequest(filters=filters)
assert request.is_valid() is False
assert request.filters == filters
assert len(request.errors) == 1
error = request.errors[0]
assert error.parameter == 'filters'
assert error.message == 'is not iterable'
def test_list_users_request_with_filters():
filters = dict(name='user')
request = ListUsersRequest(filters=filters)
assert request.is_valid() is True
assert request.filters == filters
def test_list_users_request_without_parameters():
request = ListUsersRequest()
assert request.is_valid() is True
assert request.filters is None
def test_list_users_request_with_empty_filters():
filters = {}
request = ListUsersRequest(filters=filters)
assert request.is_valid() is True
assert request.filters is None