It lets us check the number of methods invocations. How do you throw an exception in PowerMock? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, @AndyTurner I would argue that if you have more than one thing that could throw a. We can stub a void method to throw an exception using doThrow (). DevPedrada. mockito. Mockito - Exception Handling doThrow() : We can use doThrow() when we want to stub a void method that throws exception. doThrow () : Throw exception when mocked void method is called doCallRealMethod () : Do not mock and call real method 1) Using doNothing () If we just want to completely ignore the void method call, we can use doNothing (). Here, we configured an add () method which returns void to throw IllegalStateException when called. Thanks for contributing an answer to Stack Overflow! That's why you cannot find the versions on the official maven repo :). If you ever wondered how to do it using the new BDD style of Mockito: willThrow (new Exception ()).given (mockedObject).methodReturningVoid ()); And for future reference one may need to throw exception and then do nothing: willThrow (new Exception ()).willDoNothing ().given (mockedObject).methodReturningVoid ()); Share WebTry this for stubbing void methods to throw exceptions: EasyMock: // First make the actual call to the void method. It helped me. Find centralized, trusted content and collaborate around the technologies you use most. Use Mockito's doThrow and then catch the desired exception to assert it was thrown later. doThrow (): We can use doThrow () when we want to stub a void method that throws exception. Can Martian regolith be easily melted with microwaves? The dependencies of the class under test need to be mocked. Source: (Example.java) import org.mockito.Mockito; import static org. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. We stub the custom behavior using doAnswer() and when() APIs. mockito throw exception void method java by DevPedrada on Dec 18 2020 Donate Comment 3 xxxxxxxxxx 1 doThrow(new Exception()).when(mockedObject).methodReturningVoid(); Source: stackoverflow.com Add a Grepper Answer Answers related to mockito void method throw exception throw The cookie is used to store the user consent for the cookies in the category "Performance". Mockito Mockito provides following methods that can be used to mock void methods. Mockito : how to verify method was called on an object created within a method?