@Before public void setup() throws Exception { requestMock = mock(HttpServletRequest.class); responseMock = mock(HttpServletResponse.class); chainMock = mock(FilterChain.class); sessionMock = mock(HttpSession.class); redirectorMock = mock(RequestRedirector.class); doReturn(sessionMock).when(requestMock).getSession(); closedMplFilter = spy(new ClosedMarketplaceFilter()); closedMplFilter.excludeUrlPattern = EXCLUDE_URL_PATTERN; closedMplFilter.redirector = redirectorMock; }