Method test_simple

Lib/test/test_dataclasses/__init__.py:4357–4364

(self)

class TestMakeDataclass(unittest.TestCase):
    def test_simple(self):
        C = make_dataclass('C',
                           [('x', int),
                            ('y', int, field(default=5))],
                           namespace={'add_one': lambda self: self.x + 1})
        c = C(10)
        self.assertEqual((c.x, c.y), (10, 5))
        self.assertEqual(c.add_one(), 11)


    def test_no_mutate_namespace(self):