test_codegen.py 文件源码

def test_constraints_class(self):
        Table(
            'simple_items', self.metadata,
            Column('id', INTEGER, primary_key=True),
            Column('number', INTEGER),
            CheckConstraint('number > 0'),
            UniqueConstraint('id', 'number')
        )

        assert self.generate_code() == """\
# coding: utf-8
from sqlalchemy import CheckConstraint, Column, Integer, UniqueConstraint
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class SimpleItem(Base):
    __tablename__ = 'simple_items'
    __table_args__ = (
        CheckConstraint('number > 0'),
        UniqueConstraint('id', 'number')
    )

    id = Column(Integer, primary_key=True)
    number = Column(Integer)
"""