test.py 文件源码

def test_drop_column_default(self):
    class SomeModel(pw.Model):
      some_field = pw.CharField(null=True, default='woot2')
      class Meta:
        database = self.db
    self.evolve_and_check_noop()
    model = SomeModel.create()
    self.assertEqual(model.some_field, 'woot2')
    peeweedbevolve.clear()
    class SomeModel(pw.Model):
      some_field = pw.CharField(null=True)
      class Meta:
        database = self.db
    self.evolve_and_check_noop()
    model = SomeModel.create()
    self.assertEqual(model.some_field, None)
    self.assertEqual(SomeModel.get(SomeModel.id==model.id).some_field, None)