Mockito: Verify Mock (with “RETURNS_DEEP_STUBS”) Returns More Calls Than Expected

Question

Looking at the code below, I only expect the call to getSand() to happen once, but the test is failing with four calls to it. Where are these calls happening? I wan

Answer 1

It's counting your setup as invocations since deeps stubs is not supported in the verification API, and complains on the second call which is:

when(mockSandBox.getSand().doB()).thenReturn(1);

I would skip using RETURNS_DEEP_STUBS and just use another mock:

...
@Mock
SandBox mockSandBox;

@Mock
Sand sand;

@Test
public void should(){
    when(mockSandBox.getSand()).thenReturn(sand);
    when(sand.doA()).thenReturn(1);
    when(sand.doB()).thenReturn(1);
    when(sand.doC()).thenReturn(1);
...