| """ |
| Common helper functions for tests. |
| """ |
| |
| from __future__ import absolute_import, division, print_function |
| |
| from attr import Attribute |
| from attr._make import NOTHING, make_class |
| |
| |
| def simple_class(cmp=False, repr=False, hash=False, str=False, slots=False, |
| frozen=False): |
| """ |
| Return a new simple class. |
| """ |
| return make_class( |
| "C", ["a", "b"], |
| cmp=cmp, repr=repr, hash=hash, init=True, slots=slots, str=str, |
| frozen=frozen, |
| ) |
| |
| |
| def simple_attr(name, default=NOTHING, validator=None, repr=True, |
| cmp=True, hash=None, init=True, converter=None): |
| """ |
| Return an attribute with a name and no other bells and whistles. |
| """ |
| return Attribute( |
| name=name, default=default, validator=validator, repr=repr, |
| cmp=cmp, hash=hash, init=init, converter=converter, |
| ) |
| |
| |
| class TestSimpleClass(object): |
| """ |
| Tests for the testing helper function `make_class`. |
| """ |
| def test_returns_class(self): |
| """ |
| Returns a class object. |
| """ |
| assert type is simple_class().__class__ |
| |
| def returns_distinct_classes(self): |
| """ |
| Each call returns a completely new class. |
| """ |
| assert simple_class() is not simple_class() |
