Mock一个函数的逻辑

By | 12月 31, 2015
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不管是mock的实例，还是spy的实例，都可以用Mockito.doAnswer()。

List list = mock(List.class);
//List list = spy(new ArrayList());
Object obj = mock(Object.class);
doAnswer(new Answer<Boolean>() {
    @Override
    public Boolean answer(InvocationOnMock invocation) throws Throwable {
    return true;
  }
}).when(list).contains(obj);
assertTrue(list.contains(obj));