test.py 文件源码

def test_change_decimal_precision(self):
    class SomeModel(pw.Model):
      some_field = pw.DecimalField(max_digits=4, decimal_places=0)
      class Meta:
        database = self.db
    self.evolve_and_check_noop()
    model = SomeModel.create(some_field=1234)
    self.assertEqual(model.some_field, 1234)
    peeweedbevolve.clear()
    class SomeModel(pw.Model):
      some_field = pw.DecimalField(max_digits=8, decimal_places=2)
      class Meta:
        database = self.db
    self.evolve_and_check_noop()
    self.assertEqual(SomeModel.select().first().some_field, 1234)
    model.some_field = 123456.78
    model.save()
    self.assertEqual(SomeModel.select().first().some_field, decimal.Decimal('123456.78'))