| /* |
| * 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.serviceregistry.diagnosis.instance; |
| |
| import java.util.UUID; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.ScheduledThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.servicecomb.foundation.common.Holder; |
| import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.common.eventbus.EventBus; |
| import com.google.common.eventbus.Subscribe; |
| |
| import io.vertx.core.json.Json; |
| import mockit.Deencapsulation; |
| import mockit.Mock; |
| import mockit.MockUp; |
| |
| public class TestInstanceCacheCheckTask { |
| |
| ScheduledThreadPoolExecutor taskPool = new ScheduledThreadPoolExecutor(2, |
| task -> new Thread(task, "Service Center Task test thread"), |
| (task, executor) -> System.out.println("Too many pending tasks, reject " + task.getClass().getName())); |
| |
| EventBus eventBus = new EventBus(); |
| |
| InstanceCacheCheckTask task = new InstanceCacheCheckTask(); |
| |
| InstanceCacheSummary result; |
| |
| @Before |
| public void setUp() { |
| task.setTaskPool(taskPool); |
| task.setEventBus(eventBus); |
| task.setTimeUnit(TimeUnit.MILLISECONDS); |
| |
| new MockUp<InstanceCacheChecker>() { |
| @Mock |
| InstanceCacheSummary check() { |
| return new InstanceCacheSummary(); |
| } |
| }; |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| ArchaiusUtils.resetConfig(); |
| taskPool.shutdownNow(); |
| } |
| |
| @Test |
| public void manualTask() throws InterruptedException { |
| |
| ArchaiusUtils.setProperty(InstanceCacheCheckTask.AUTO_INTERVAL, 0); |
| CountDownLatch latch = new CountDownLatch(1); |
| eventBus.register(new Object() { |
| @Subscribe |
| public void onChecked(InstanceCacheSummary instanceCacheSummary) { |
| result = instanceCacheSummary; |
| latch.countDown(); |
| } |
| }); |
| task.init(); |
| |
| ArchaiusUtils.setProperty(InstanceCacheCheckTask.MANUAL, UUID.randomUUID().toString()); |
| latch.await(); |
| |
| Assert.assertEquals("{\"status\":null,\"producers\":[],\"timestamp\":0}", Json.encode(result)); |
| } |
| |
| @Test |
| public void autoTask_normal() throws InterruptedException { |
| ArchaiusUtils.setProperty(InstanceCacheCheckTask.AUTO_INTERVAL, 1); |
| CountDownLatch latch = new CountDownLatch(1); |
| eventBus.register(new Object() { |
| @Subscribe |
| public void onChecked(InstanceCacheSummary instanceCacheSummary) { |
| result = instanceCacheSummary; |
| ((ScheduledFuture<?>) Deencapsulation.getField(task, "scheduledFuture")).cancel(false); |
| latch.countDown(); |
| } |
| }); |
| task.init(); |
| |
| latch.await(); |
| Assert.assertNotNull(Deencapsulation.getField(task, "scheduledFuture")); |
| Assert.assertEquals("{\"status\":null,\"producers\":[],\"timestamp\":0}", Json.encode(result)); |
| } |
| |
| @Test |
| public void autoTask_clearOldTask() { |
| Holder<Boolean> cancelResult = new Holder<>(); |
| ScheduledFuture<?> scheduledFuture = new MockUp<ScheduledFuture<?>>() { |
| @Mock |
| boolean cancel(boolean mayInterruptIfRunning) { |
| cancelResult.value = true; |
| return true; |
| } |
| }.getMockInstance(); |
| |
| ArchaiusUtils.setProperty(InstanceCacheCheckTask.AUTO_INTERVAL, 0); |
| Deencapsulation.setField(task, "scheduledFuture", scheduledFuture); |
| task.init(); |
| |
| Assert.assertNull(Deencapsulation.getField(task, "scheduledFuture")); |
| Assert.assertTrue(cancelResult.value); |
| } |
| |
| @Test |
| public void autoTask_invalidIntervalZero() { |
| ArchaiusUtils.setProperty(InstanceCacheCheckTask.AUTO_INTERVAL, 0); |
| task.init(); |
| |
| Assert.assertNull(Deencapsulation.getField(task, "scheduledFuture")); |
| } |
| |
| @Test |
| public void autoTask_invalidIntervalLessThanZero() { |
| ArchaiusUtils.setProperty(InstanceCacheCheckTask.AUTO_INTERVAL, -1); |
| task.init(); |
| |
| Assert.assertNull(Deencapsulation.getField(task, "scheduledFuture")); |
| } |
| } |