def test_set_context_function_not_add_context_for_default(self):
instance = fields.CreateOnlyDefault(self.FakeDefault)
fake_parent = type('FakeParent', (), {'instance': object()})
serializer_field = fields.IntegerField()
serializer_field.bind('pk', fake_parent)
instance.set_context(serializer_field)
self.assertTrue(instance.is_update)
self.assertFalse(hasattr(serializer_field, 'test_attr'))
def test_repr(self):
instance = fields.CreateOnlyDefault('value')
self.assertEqual(instance.__repr__(), 'CreateOnlyDefault(value)')
def test_call_raise_skip_field_exception(self):
instance = fields.CreateOnlyDefault(self.FakeDefault)
instance.is_update = True
with self.assertRaises(SkipField):
instance()
def test_call_returns_default_from_callable(self):
instance = fields.CreateOnlyDefault(self.FakeDefault)
instance.is_update = False
self.assertIsInstance(instance(), self.FakeDefault)
def test_call_returns_default(self):
instance = fields.CreateOnlyDefault('value')
instance.is_update = False
self.assertEqual(instance(), instance.default)
def test_can_set_context_returns_false_for_not_instance_class(self):
instance = fields.CreateOnlyDefault('default')
instance.is_update = True
self.assertFalse(instance._can_set_context())
def test_can_set_context_returns_true_for_instance_class(self):
instance = fields.CreateOnlyDefault(self.FakeDefault)
instance.is_update = False
self.assertTrue(instance._can_set_context())