public static void ClassInitialize(TestContext context) { //INITIALIZED ALL THE MOCK OBJECTS NEEDED FOR TESTING MockFactory mockFactory = new MockFactory(); _ISeatAssignmentApplicationService = mockFactory.CreateMock <ISeatAssignmentApplicationService>(); //INITIALIZED SERVICE TO BE TESTED Sut = new SeatReservationForAircraftsWebService(_ISeatAssignmentApplicationService.MockObject, new LocalMapper(new MapperService())); //COMPLETE SCENRARIO _ISeatAssignmentApplicationService.Expects.One.Method(x => x.AssignSeatWithValidation(default(FlightDTO), default(SeatDTO))).WithAnyArguments().Will(Throw.Exception(new AircraftNotFoundOnDatabaseException())); }