what's the difference between doAnswer & thenAnswer

[zero_zone]

Hi,

I feel puzzled with the two functions of doAnswer and thenAnswer?

Are they both the solutions of stubbing with callbacks?

I think below two examples have the same functions.Is it right?

doAnswer(new Answer() {
public Object answer(InvocationOnMock invocation) {
Object[] args = invocation.getArguments();
Mock mock = invocation.getMock();
return null;
}})
.when(mock).someMethod();


when(mock.someMethod(anyString())).thenAnswer(new Answer() {
Object answer(InvocationOnMock invocation) {
Object[] args = invocation.getArguments();
Object mock = invocation.getMock();
return "called with arguments: " + args;
}
});


So who can tell me the difference between doAnswer and thenAnswer?
Thank you very much!

[Brice Dutheil]

Hello,

Yes they both do have the same purpose. It's the writing style that change.

However when you want to stub a method returning void you need to use 'doAnswer'.

-- 

Bryce

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[zero_zone]

Hi Bryce,

I got it. Thanks a lot!

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