@Test
  public void testHandleRequest__SystemException() throws Exception {
    Request request = createStrictMock(Request.class);
    ResourceInstance resource = createStrictMock(ResourceInstance.class);
    Query query = createMock(Query.class);
    Predicate predicate = createMock(Predicate.class);
    Renderer renderer = new DefaultRenderer();

    expect(request.getResource()).andReturn(resource);
    expect(resource.getQuery()).andReturn(query);

    expect(request.getPageRequest()).andReturn(null);
    expect(request.getSortRequest()).andReturn(null);
    expect(request.getRenderer()).andReturn(renderer);
    expect(request.getFields()).andReturn(Collections.<String, TemporalInfo>emptyMap());

    expect(request.getQueryPredicate()).andReturn(predicate);
    query.setUserPredicate(predicate);
    query.setPageRequest(null);
    query.setSortRequest(null);
    query.setRenderer(renderer);
    SystemException systemException = new SystemException("testMsg", new RuntimeException());
    expect(query.execute()).andThrow(systemException);

    replay(request, resource, query, predicate);

    // test
    ReadHandler handler = new ReadHandler();
    Result result = handler.handleRequest(request);
    assertEquals(ResultStatus.STATUS.SERVER_ERROR, result.getStatus().getStatus());
    assertEquals(systemException.toString(), result.getStatus().getMessage());
    verify(request, resource, query, predicate);
  }