test_blocks.py 文件源码

def test_serialize(self):
        """The value of a ModelChooserBlock (a Page object) should serialize to an ID"""
        block = blocks.ModelChooserBlock('core_page')
        self.assertEqual(block.get_prep_value(self.child_page), self.child_page.id)

        # None should serialize to None
        self.assertEqual(block.get_prep_value(None), None)