import persistence

class PayementBaseTest(unittest.TestCase):
    def setUp(self):
        def fakeGetBaseForMapping():
            return 'sqlite:///memory'

        self.originalGetBaseForMapping = persistence.getBaseForMapping
        persistence.getBaseForMapping = fakeGetBaseForMapping

    def tearDown(self):
        persistence.getBaseForMapping = self.originalGetBaseForMapping
        del self.originalGetBaseForMapping