def test_dev(self): """ Test `dev` method with various manually values """ dev = Config.dev() self.assertIsInstance(dev, bool) Config.data['dev'] = 'True' dev = Config.dev() self.assertFalse(dev) Config.data['dev'] = True dev = Config.dev() self.assertTrue(dev) Config.data['dev'] = 'Yes' dev = Config.dev() self.assertFalse(dev)