unit-testing - Grails/Spock : How to mock single method within class where method is called from within the class itself?

Question

鉴于以下内容，我如何使用 Spock 模拟 processMessage()，以便我可以检查 processBulkMessage() 调用 processMessage() n 次，其中 n 是 BulkMessage 中的消息数？

class BulkMessage {
    List messages
}

class MyService {

    def processBulkMessage(BulkMessage msg) {
        msg.messages.each {subMsg->
            processMessage(subMsg)
        }
    }

    def processMessage(Message message) {

    }
}

Answer 1

您可以使用 spies和部分模拟(需要 Spock 0.7 或更新版本)。

After creating a spy, you can listen in on the conversation between the caller and the real object underlying the spy:

def subscriber = Spy(SubscriberImpl, constructorArgs: ["Fred"])
subscriber.receive(_) >> "ok"

Sometimes, it is desirable to both execute some code and delegate to the real method:

subscriber.receive(_) >> { String message -> callRealMethod(); message.size() > 3 ? "ok" : "fail" }