api_test.py 文件源码

def test_already_purchased(self, has_to_pay):
        """
        Purchasable course runs must not be already purchased
        """
        course_run, user = create_purchasable_course_run()
        order = create_unfulfilled_order(course_run.edx_course_key, user)

        # succeeds because order is unfulfilled
        assert course_run == get_purchasable_course_run(course_run.edx_course_key, user)

        order.status = Order.FULFILLED
        order.save()
        with self.assertRaises(ValidationError) as ex:
            get_purchasable_course_run(course_run.edx_course_key, user)

        assert ex.exception.args[0] == 'Course run {} is already purchased'.format(course_run.edx_course_key)
        assert has_to_pay.call_count == 1