An extra capability of the mock object is a Controller Interface that enables the test framework to query whether it was invoked with the expected data values.

模拟对象的一个额外功能是控制器接口，它使测试框架能够查询是否使用预期数据值调用了模拟对象。

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Consider an example where a DBA knows the problem is a poor-performing query, but that query was generated by a framework, using an object-relational mapping technology.

考虑这样一个示例：DBA知道问题根源是查询的性能较差，但此查询是由框架生成的，使用了对象关系映射技术。

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The client just passes the query within a perform document and receives the answer from the framework.

客户机只传递执行文档中的查询并从架构接收结果集。

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