# From test_validation...

class TestPreSaveValidationExclusions(TestCase):
    def test_pre_save_validation_exclusions(self):
        """
        Somewhat weird test case to ensure that we don't perform model
        validation on read only fields.
        """
        obj = ValidationModel.objects.create(blank_validated_field='')
        request = factory.put('/', {}, format='json')
        view = UpdateValidationModel().as_view()
        response = view(request, pk=obj.pk).render()
        self.assertEqual(response.status_code, status.HTTP_200_OK)


# From test_permissions...

class ModelPermissionsIntegrationTests(TestCase):
    def setUp(...):
        ...

    def test_has_put_as_create_permissions(self):
        # User only has update permissions - should be able to update an entity.
        request = factory.put('/1', {'text': 'foobar'}, format='json',
                              HTTP_AUTHORIZATION=self.updateonly_credentials)
        response = instance_view(request, pk='1')
        self.assertEqual(response.status_code, status.HTTP_200_OK)

        # But if PUTing to a new entity, permission should be denied.
        request = factory.put('/2', {'text': 'foobar'}, format='json',
                              HTTP_AUTHORIZATION=self.updateonly_credentials)
        response = instance_view(request, pk='2')
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)