@Test
public void testRoute_ReturnEmpty() {

    Router router = new ConditionRouterFactory().getRouter(getRouteUrl("host = " + NetUtils.getLocalHost() + " => "));
    List<Invoker<String>> invokers = new ArrayList<Invoker<String>>();
    invokers.add(new MockInvoker<String>());
    invokers.add(new MockInvoker<String>());
    invokers.add(new MockInvoker<String>());
    List<Invoker<String>> fileredInvokers = router.route(invokers, URL.valueOf("consumer://" + NetUtils.getLocalHost() + "/com.foo.BarService"), new RpcInvocation());
    Assert.assertEquals(0, fileredInvokers.size());
}