root / elixir / trunk / tests / test_sa_integration.py @ 329

"""
test integrating Elixir entities with plain SQLAlchemy defined classes
"""

from sqlalchemy.orm import *
from sqlalchemy import *
from elixir import *

def setup():
    metadata.bind = 'sqlite:///'

class TestSAIntegration(object):
    def teardown(self):
        cleanup_all(True)
    
    def test_sa_to_elixir(self):
        class A(Entity):
            name = Field(String(60))

        # Remember the entity need to be setup before you can refer to it from
        # SQLAlchemy.
        setup_all(True)

        b_table = Table('b', metadata, 
            Column('id', Integer, primary_key=True),
            Column('name', String(60)),
            Column('a_id', Integer, ForeignKey(A.c.id))
        )
        b_table.create()

        class B(object):
            pass

        mapper(B, b_table, properties={
            'a': relation(A)
        })

        b1 = B()
        b1.name = 'b1'
        b1.a = A(name='a1')

        session.save(b1)
        session.flush()
        session.clear()

        b = session.query(B).one()

        assert b.a.name == 'a1'

#    def test_elxir_to_sa(self):
#        a_table = Table('a', metadata, 
#            Column('id', Integer, primary_key=True),
#            Column('name', String(60)),
#        )
#        a_table.create()
#
#        class A(object):
#            pass
#
#        mapper(A, a_table)
#
#        class B(Entity):
#            name = Field(String(60))
#            a = ManyToOne('A')
#    
#        setup_all(True)
#
#        a1 = A()
#        a1.name = 'a1'
#        b1 = B(name='b1', a=a1)
#
#        session.save(b1)
#        session.flush()
#        session.clear()
#
#        b = B.query.one()
#
#        assert b.a.name == 'a1'