使用Mockito,我如何截取一个回调对象上的void方法? [英] Using Mockito, how do I intercept a callback object on a void method?
问题描述
我使用mockito测试旧版JAAS / LDAP登录模块。
I'm using mockito to test a legacy JAAS/LDAP login module.
javax.security.auth.callback.CallbackHandler
接口定义函数:
void handle(javax.security.auth.callback.Callback[] callbacks)
我希望 callbacks
a NameCallback
,这是需要被操作以通过测试的对象。
I'm expecting callbacks
to contain a NameCallback
, which is the object that needs to be manipulated to pass the test.
嘲笑这个有效的,或者我会更好地用 CallbackHandler
?
Is there a way to mock this effectively, or would I be better off with a stubbed implementation of CallbackHandler
?
推荐答案
对于返回 void
的函数,请使用 doAnswer()
doAnswer(...).when(mockedObject).handle(any(Callback[].class));
并且执行拦截的回答
作为 doAnswer
的参数,例如作为一个匿名类:
And an Answer
that performs the interception must go in as the parameter to doAnswer
, e.g. as an anonymous class:
new Answer() {
public Object answer(InvocationOnMock invocation) {
Object[] args = invocation.getArguments();
Mock mock = invocation.getMock();
return null;
}}
在这种情况下 args
将是数组 Callback []
!
In this case args
will be the array Callback[]
!
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