filter.setTokenServices(tokenServices);
filter.setConsumerSupport(support);
filter.setRememberMeServices(rememberMeServices);
doThrow(new AccessTokenRequiredException(resource)).when(filterChain).doFilter(request, response);
when(tokenServices.getToken("dep1")).thenReturn(null);
when(request.getParameter("oauth_verifier")).thenReturn(null);
when(response.encodeRedirectURL("urn:callback")).thenReturn("urn:callback?query");
OAuthConsumerToken token = new OAuthConsumerToken();
token.setAccessToken(false);
token.setResourceId(resource.getId());
when(support.getUnauthorizedRequestToken("dep1", "urn:callback?query")).thenReturn(token);
filter.doFilter(request, response, filterChain);
verify(filterChain).doFilter(request, response);
verify(tokenServices).storeToken("dep1", token);
verify(response).sendRedirect("urn:callback?query&dep1");
verify(request,times(2)).setAttribute(anyString(), anyObject());
reset(request,response,filterChain);
doThrow(new AccessTokenRequiredException(resource)).when(filterChain).doFilter(request, response);
when(tokenServices.getToken("dep1")).thenReturn(token);
when(request.getParameter(OAuthProviderParameter.oauth_verifier.toString())).thenReturn("verifier");
OAuthConsumerToken accessToken = new OAuthConsumerToken();
when(support.getAccessToken(token, "verifier")).thenReturn(accessToken);
when(response.isCommitted()).thenReturn(false);