| /* |
| * 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.servicecomb.pack.omega.transaction; |
| |
| import static com.seanyinx.github.unit.scaffolding.Randomness.uniquify; |
| import static java.util.Arrays.asList; |
| import static org.hamcrest.Matchers.contains; |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.Assert.assertThat; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.UUID; |
| |
| import org.apache.servicecomb.pack.common.EventType; |
| import org.apache.servicecomb.pack.contract.grpc.ServerMeta; |
| import org.apache.servicecomb.pack.omega.context.IdGenerator; |
| import org.apache.servicecomb.pack.omega.context.OmegaContext; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| public class CompensableInterceptorTest { |
| |
| private final List<TxEvent> messages = new ArrayList<>(); |
| private final String globalTxId = UUID.randomUUID().toString(); |
| private final String localTxId = UUID.randomUUID().toString(); |
| private final String parentTxId = UUID.randomUUID().toString(); |
| |
| private final SagaMessageSender sender = new SagaMessageSender() { |
| @Override |
| public void onConnected() { |
| } |
| |
| @Override |
| public void onDisconnected() { |
| } |
| |
| @Override |
| public ServerMeta onGetServerMeta() { |
| return null; |
| } |
| |
| @Override |
| public void close() { |
| } |
| |
| @Override |
| public String target() { |
| return "UNKNOWN"; |
| } |
| |
| @Override |
| public AlphaResponse send(TxEvent event) { |
| messages.add(event); |
| return new AlphaResponse(false); |
| } |
| }; |
| |
| private final String message = uniquify("message"); |
| |
| private final String retryMethod = uniquify("retryMethod"); |
| private final String compensationMethod = getClass().getCanonicalName(); |
| |
| @SuppressWarnings("unchecked") |
| private final IdGenerator<String> idGenerator = Mockito.mock(IdGenerator.class); |
| private final OmegaContext context = new OmegaContext(idGenerator); |
| private final CompensableInterceptor interceptor = new CompensableInterceptor(context, sender); |
| |
| @Before |
| public void setUp() throws Exception { |
| context.setGlobalTxId(globalTxId); |
| context.setLocalTxId(localTxId); |
| } |
| |
| @Test |
| public void sendsTxStartedEventBefore() throws Exception { |
| int forwardRetries = new Random().nextInt(); |
| interceptor.preIntercept(parentTxId, compensationMethod, 0, retryMethod, forwardRetries, message); |
| |
| TxEvent event = messages.get(0); |
| |
| assertThat(event.globalTxId(), is(globalTxId)); |
| assertThat(event.localTxId(), is(localTxId)); |
| assertThat(event.parentTxId(), is(parentTxId)); |
| assertThat(event.forwardRetries(), is(forwardRetries)); |
| assertThat(event.retryMethod(), is(retryMethod)); |
| assertThat(event.type(), is(EventType.TxStartedEvent)); |
| assertThat(event.compensationMethod(), is(compensationMethod)); |
| assertThat(asList(event.payloads()).contains(message), is(true)); |
| } |
| |
| @Test |
| public void sendsTxEndedEventAfter() throws Exception { |
| interceptor.postIntercept(parentTxId, compensationMethod); |
| |
| TxEvent event = messages.get(0); |
| |
| assertThat(event.globalTxId(), is(globalTxId)); |
| assertThat(event.localTxId(), is(localTxId)); |
| assertThat(event.parentTxId(), is(parentTxId)); |
| assertThat(event.type(), is(EventType.TxEndedEvent)); |
| assertThat(event.compensationMethod(), is(compensationMethod)); |
| assertThat(event.payloads().length, is(0)); |
| } |
| |
| @Test |
| public void sendsTxAbortedEventOnError() throws Exception { |
| interceptor.onError(parentTxId, compensationMethod, new RuntimeException("oops")); |
| |
| TxEvent event = messages.get(0); |
| |
| assertThat(event.globalTxId(), is(globalTxId)); |
| assertThat(event.localTxId(), is(localTxId)); |
| assertThat(event.parentTxId(), is(parentTxId)); |
| assertThat(event.type(), is(EventType.TxAbortedEvent)); |
| assertThat(event.compensationMethod(), is(compensationMethod)); |
| } |
| } |