| /* |
| * 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 org.apache.dubbo.rpc.cluster.support; |
| |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.rpc.AppResponse; |
| import org.apache.dubbo.rpc.Invoker; |
| import org.apache.dubbo.rpc.Result; |
| import org.apache.dubbo.rpc.RpcContext; |
| import org.apache.dubbo.rpc.RpcException; |
| import org.apache.dubbo.rpc.RpcInvocation; |
| import org.apache.dubbo.rpc.cluster.Directory; |
| |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.mockito.BDDMockito.given; |
| import static org.mockito.Mockito.mock; |
| |
| /** |
| * ForkingClusterInvokerTest |
| */ |
| @SuppressWarnings("unchecked") |
| public class ForkingClusterInvokerTest { |
| |
| private List<Invoker<ForkingClusterInvokerTest>> invokers = new ArrayList<>(); |
| private URL url = URL.valueOf("test://test:11/test?forks=2"); |
| private Invoker<ForkingClusterInvokerTest> invoker1 = mock(Invoker.class); |
| private Invoker<ForkingClusterInvokerTest> invoker2 = mock(Invoker.class); |
| private Invoker<ForkingClusterInvokerTest> invoker3 = mock(Invoker.class); |
| private RpcInvocation invocation = new RpcInvocation(); |
| private Directory<ForkingClusterInvokerTest> dic; |
| private Result result = new AppResponse(); |
| |
| @BeforeEach |
| public void setUp() throws Exception { |
| |
| dic = mock(Directory.class); |
| |
| given(dic.getUrl()).willReturn(url); |
| given(dic.getConsumerUrl()).willReturn(url); |
| given(dic.list(invocation)).willReturn(invokers); |
| given(dic.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| |
| invocation.setMethodName("method1"); |
| |
| invokers.add(invoker1); |
| invokers.add(invoker2); |
| invokers.add(invoker3); |
| |
| } |
| |
| private void resetInvokerToException() { |
| given(invoker1.invoke(invocation)).willThrow(new RuntimeException()); |
| given(invoker1.getUrl()).willReturn(url); |
| given(invoker1.isAvailable()).willReturn(true); |
| given(invoker1.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| |
| given(invoker2.invoke(invocation)).willThrow(new RuntimeException()); |
| given(invoker2.getUrl()).willReturn(url); |
| given(invoker2.isAvailable()).willReturn(true); |
| given(invoker2.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| |
| given(invoker3.invoke(invocation)).willThrow(new RuntimeException()); |
| given(invoker3.getUrl()).willReturn(url); |
| given(invoker3.isAvailable()).willReturn(true); |
| given(invoker3.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| } |
| |
| private void resetInvokerToNoException() { |
| given(invoker1.invoke(invocation)).willReturn(result); |
| given(invoker1.getUrl()).willReturn(url); |
| given(invoker1.isAvailable()).willReturn(true); |
| given(invoker1.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| |
| given(invoker2.invoke(invocation)).willReturn(result); |
| given(invoker2.getUrl()).willReturn(url); |
| given(invoker2.isAvailable()).willReturn(true); |
| given(invoker2.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| |
| given(invoker3.invoke(invocation)).willReturn(result); |
| given(invoker3.getUrl()).willReturn(url); |
| given(invoker3.isAvailable()).willReturn(true); |
| given(invoker3.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| } |
| |
| @Test |
| public void testInvokeException() { |
| resetInvokerToException(); |
| ForkingClusterInvoker<ForkingClusterInvokerTest> invoker = new ForkingClusterInvoker<>(dic); |
| |
| try { |
| invoker.invoke(invocation); |
| Assertions.fail(); |
| } catch (RpcException expected) { |
| Assertions.assertTrue(expected.getMessage().contains("Failed to forking invoke provider")); |
| assertFalse(expected.getCause() instanceof RpcException); |
| } |
| } |
| |
| @Test |
| public void testClearRpcContext() { |
| resetInvokerToException(); |
| ForkingClusterInvoker<ForkingClusterInvokerTest> invoker = new ForkingClusterInvoker<>(dic); |
| |
| String attachKey = "attach"; |
| String attachValue = "value"; |
| |
| RpcContext.getClientAttachment().setAttachment(attachKey, attachValue); |
| |
| Map<String, Object> attachments = RpcContext.getClientAttachment().getObjectAttachments(); |
| Assertions.assertTrue(attachments != null && attachments.size() == 1, "set attachment failed!"); |
| try { |
| invoker.invoke(invocation); |
| Assertions.fail(); |
| } catch (RpcException expected) { |
| Assertions.assertTrue(expected.getMessage().contains("Failed to forking invoke provider"), "Succeeded to forking invoke provider !"); |
| assertFalse(expected.getCause() instanceof RpcException); |
| } |
| Map<String, Object> afterInvoke = RpcContext.getClientAttachment().getObjectAttachments(); |
| Assertions.assertTrue(afterInvoke != null && afterInvoke.size() == 0, "clear attachment failed!"); |
| } |
| |
| @Test |
| public void testInvokeNoException() { |
| |
| resetInvokerToNoException(); |
| |
| ForkingClusterInvoker<ForkingClusterInvokerTest> invoker = new ForkingClusterInvoker<>(dic); |
| Result ret = invoker.invoke(invocation); |
| Assertions.assertSame(result, ret); |
| } |
| |
| @Test |
| public void testInvokeWithIllegalForksParam() { |
| URL url = URL.valueOf("test://test:11/test?forks=-1"); |
| given(dic.getUrl()).willReturn(url); |
| given(dic.getConsumerUrl()).willReturn(url); |
| given(invoker1.invoke(invocation)).willReturn(result); |
| given(invoker1.getUrl()).willReturn(url); |
| given(invoker1.isAvailable()).willReturn(true); |
| given(invoker1.getInterface()).willReturn(ForkingClusterInvokerTest.class); |
| |
| ForkingClusterInvoker<ForkingClusterInvokerTest> invoker = new ForkingClusterInvoker<>(dic); |
| Result ret = invoker.invoke(invocation); |
| Assertions.assertSame(result, ret); |
| } |
| |
| } |