def test(store):
    from Thing import Thing

    things = store.fetchObjectsOfClass('Thing')
    assert len(things) > 1  # make sure have at least some data to work with
    for thing in things:
        assert thing.store() == store

    dbArgs = store._dbArgs
    newStore = store.__class__(**dbArgs)
    newStore.setModel(store.model())
    assert newStore != store  # paranoia

    things = newStore.fetchObjectsOfClass('Thing')
    assert len(things) > 1
    for thing in things:
        assert thing.store() == newStore


    # and now for an entirely different store
    import os, sys
    sys.path.insert(1, os.path.abspath(os.pardir))
    try:
        from TestDesign import test as generate
        model = generate('../MKBasic.mkmodel',
            configFilename=None, workDir='WorkDir2')  # toTestDir='../../',

        diffStore = store.__class__(**dbArgs)
        diffStore.setModel(model)
        assert diffStore.model() is model
        personClass = model.klass('Person').pyClass()
        person = personClass()
        person.setFirstName('Chuck')
        assert person.firstName() == 'Chuck'
        diffStore.addObject(person)
        assert person.store() is diffStore, 'store=%r' % person.store()
        diffStore.saveChanges()
        assert person.store() is diffStore, 'store=%r' % person.store()
        assert diffStore is not newStore

        from TestCommon import rmdir
        rmdir('WorkDir2')
    finally:
        del sys.path[1]
