| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.alibaba.dubbo.rpc.cluster.support; |
| |
| import com.alibaba.dubbo.common.Constants; |
| import com.alibaba.dubbo.common.URL; |
| import com.alibaba.dubbo.rpc.Invocation; |
| import com.alibaba.dubbo.rpc.Invoker; |
| import com.alibaba.dubbo.rpc.Result; |
| import com.alibaba.dubbo.rpc.RpcResult; |
| import com.alibaba.dubbo.rpc.cluster.Directory; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Proxy; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.BDDMockito.given; |
| import static org.mockito.Mockito.mock; |
| |
| public class MergeableClusterInvokerTest { |
| |
| private Directory directory = mock(Directory.class); |
| private Invoker firstInvoker = mock(Invoker.class); |
| private Invoker secondInvoker = mock(Invoker.class); |
| private Invocation invocation = mock(Invocation.class); |
| |
| private MergeableClusterInvoker<MenuService> mergeableClusterInvoker; |
| |
| private String[] list1 = {"10", "11", "12"}; |
| private String[] list2 = {"20", "21", "22"}; |
| private String[] list3 = {"23", "24", "25"}; |
| private String[] list4 = {"30", "31", "32"}; |
| |
| private Map<String, List<String>> firstMenuMap = new HashMap<String, List<String>>() { |
| { |
| put("1", Arrays.asList(list1)); |
| put("2", Arrays.asList(list2)); |
| } |
| }; |
| |
| private Map<String, List<String>> secondMenuMap = new HashMap<String, List<String>>() { |
| { |
| put("2", Arrays.asList(list3)); |
| put("3", Arrays.asList(list4)); |
| } |
| }; |
| |
| private Menu firstMenu = new Menu(firstMenuMap); |
| private Menu secondMenu = new Menu(secondMenuMap); |
| |
| private URL url = URL.valueOf("test://test/" + MenuService.class.getName()); |
| |
| static void merge(Map<String, List<String>> first, Map<String, List<String>> second) { |
| for (Map.Entry<String, List<String>> entry : second.entrySet()) { |
| List<String> value = first.get(entry.getKey()); |
| if (value != null) { |
| value.addAll(entry.getValue()); |
| } else { |
| first.put(entry.getKey(), new ArrayList<String>(entry.getValue())); |
| } |
| } |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| |
| directory = mock(Directory.class); |
| firstInvoker = mock(Invoker.class); |
| secondInvoker = mock(Invoker.class); |
| invocation = mock(Invocation.class); |
| |
| } |
| |
| @Test |
| public void testGetMenuSuccessfully() throws Exception { |
| |
| // setup |
| url = url.addParameter(Constants.MERGER_KEY, ".merge"); |
| |
| given(invocation.getMethodName()).willReturn("getMenu"); |
| given(invocation.getParameterTypes()).willReturn(new Class<?>[]{}); |
| given(invocation.getArguments()).willReturn(new Object[]{}); |
| given(invocation.getAttachments()).willReturn(new HashMap<String, String>()) |
| ; |
| given(invocation.getInvoker()).willReturn(firstInvoker); |
| |
| firstInvoker = (Invoker) Proxy.newProxyInstance(getClass().getClassLoader(), new Class<?>[]{Invoker.class}, new InvocationHandler() { |
| |
| public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { |
| if ("getUrl".equals(method.getName())) { |
| return url.addParameter(Constants.GROUP_KEY, "first"); |
| } |
| if ("getInterface".equals(method.getName())) { |
| return MenuService.class; |
| } |
| if ("invoke".equals(method.getName())) { |
| return new RpcResult(firstMenu); |
| } |
| return null; |
| } |
| }); |
| |
| secondInvoker = (Invoker) Proxy.newProxyInstance(getClass().getClassLoader(), new Class<?>[]{Invoker.class}, new InvocationHandler() { |
| |
| public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { |
| if ("getUrl".equals(method.getName())) { |
| return url.addParameter(Constants.GROUP_KEY, "second"); |
| } |
| if ("getInterface".equals(method.getName())) { |
| return MenuService.class; |
| } |
| if ("invoke".equals(method.getName())) { |
| return new RpcResult(secondMenu); |
| } |
| return null; |
| } |
| }); |
| |
| given(directory.list(invocation)).willReturn(new ArrayList() { |
| |
| { |
| add(firstInvoker); |
| add(secondInvoker); |
| } |
| }); |
| given(directory.getUrl()).willReturn(url); |
| given(directory.getInterface()).willReturn(MenuService.class); |
| |
| mergeableClusterInvoker = new MergeableClusterInvoker<MenuService>(directory); |
| |
| // invoke |
| Result result = mergeableClusterInvoker.invoke(invocation); |
| Assert.assertTrue(result.getValue() instanceof Menu); |
| Menu menu = (Menu) result.getValue(); |
| Map<String, List<String>> expected = new HashMap<String, List<String>>(); |
| merge(expected, firstMenuMap); |
| merge(expected, secondMenuMap); |
| assertEquals(expected.keySet(), menu.getMenus().keySet()); |
| for (String key : expected.keySet()) { |
| // FIXME: cannot guarantee the sequence of the merge result, check implementation in |
| // MergeableClusterInvoker#invoke |
| List<String> values1 = new ArrayList<String>(expected.get(key)); |
| List<String> values2 = new ArrayList<String>(menu.getMenus().get(key)); |
| Collections.sort(values1); |
| Collections.sort(values2); |
| assertEquals(values1, values2); |
| } |
| } |
| |
| @Test |
| public void testAddMenu() throws Exception { |
| |
| String menu = "first"; |
| List<String> menuItems = new ArrayList<String>() { |
| { |
| add("1"); |
| add("2"); |
| } |
| }; |
| |
| given(invocation.getMethodName()).willReturn("addMenu"); |
| given(invocation.getParameterTypes()).willReturn( |
| new Class<?>[]{String.class, List.class}); |
| given(invocation.getArguments()).willReturn(new Object[]{menu, menuItems}) |
| ; |
| given(invocation.getAttachments()).willReturn(new HashMap<String, String>()) |
| ; |
| given(invocation.getInvoker()).willReturn(firstInvoker); |
| |
| given(firstInvoker.getUrl()).willReturn( |
| url.addParameter(Constants.GROUP_KEY, "first")); |
| given(firstInvoker.getInterface()).willReturn(MenuService.class); |
| given(firstInvoker.invoke(invocation)).willReturn(new RpcResult()) |
| ; |
| given(firstInvoker.isAvailable()).willReturn(true); |
| |
| given(secondInvoker.getUrl()).willReturn( |
| url.addParameter(Constants.GROUP_KEY, "second")); |
| given(secondInvoker.getInterface()).willReturn(MenuService.class); |
| given(secondInvoker.invoke(invocation)).willReturn(new RpcResult()) |
| ; |
| given(secondInvoker.isAvailable()).willReturn(true); |
| |
| given(directory.list(invocation)).willReturn(new ArrayList() { |
| |
| { |
| add(firstInvoker); |
| add(secondInvoker); |
| } |
| }); |
| given(directory.getUrl()).willReturn(url); |
| given(directory.getInterface()).willReturn(MenuService.class); |
| |
| mergeableClusterInvoker = new MergeableClusterInvoker<MenuService>(directory); |
| |
| Result result = mergeableClusterInvoker.invoke(invocation); |
| Assert.assertNull(result.getValue()); |
| |
| } |
| |
| } |