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In the following example:
Execution execution = mock(Execution.class);
when(execution.getLastQty()).thenReturn(1000.0);
when(execution.getLastPrice()).thenReturn(75.0);
order.onFillReceived(execution);
assertEquals(0, order.getLeavesQty(), 0);
Execution has many other methods that should not be called. Only the two methods that have been mocked should be used within this test and should be called. If any other methods are called, then the test should fail.
How to I tell Mockito to fail if any other methods are called?
789
To check if a method was called on a mocked object you can use the Mockito. verify method: Mockito. verify(someMock).
Mockito verifyZeroInteractions() method It verifies that no interaction has occurred on the given mocks. It also detects the invocations that have occurred before the test method, for example, in setup(), @Before method or the constructor.
It's a VerificationMode object. That object is used to verify that a certain action occurred a number of times. But that number could be 0. And that's what Mockito. never() is checking.
The documentation covers this explicitly. You want to call verifyNoMoreInteractions, either after calling verify (as per the docs) or
verify(execution).getLastQty();
verify(execution).getLastPrice();
verifyNoMoreInteractions(execution);
or using ignoreStubs:
verifyNoMoreInteractions(ignoreStubs(execution));
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