| /* |
| * 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.registry.cache; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.servicecomb.serviceregistry.ServiceRegistry; |
| import org.apache.servicecomb.registry.api.registry.MicroserviceInstance; |
| import org.apache.servicecomb.serviceregistry.registry.EmptyMockServiceRegistry; |
| import org.apache.servicecomb.serviceregistry.registry.cache.MicroserviceCache.MicroserviceCacheStatus; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class AggregateMicroserviceCacheTest { |
| |
| @Test |
| public void refresh() { |
| MicroserviceCacheKey microserviceCacheKey = |
| MicroserviceCacheKey.builder().serviceName("svc").appId("app").env("production").build(); |
| |
| MockMicroserviceCache mockMicroserviceCache0 = new MockMicroserviceCache(microserviceCacheKey, |
| MicroserviceCacheStatus.NO_CHANGE); |
| MockMicroserviceCache mockMicroserviceCache2 = new MockMicroserviceCache(microserviceCacheKey, |
| MicroserviceCacheStatus.REFRESHED); |
| mockMicroserviceCache2.instances = Arrays.asList(new MicroserviceInstance(), new MicroserviceInstance()); |
| MockMicroserviceCache mockMicroserviceCache3 = new MockMicroserviceCache(microserviceCacheKey, |
| MicroserviceCacheStatus.SERVICE_NOT_FOUND); |
| |
| MockServiceRegistry mockServiceRegistry0 = new MockServiceRegistry().setName("s0") |
| .addCache(mockMicroserviceCache0) |
| .addCache(new MockMicroserviceCache( |
| MicroserviceCacheKey.builder().serviceName("svc2").appId("app").env("production").build(), |
| MicroserviceCacheStatus.REFRESHED)); |
| MockServiceRegistry mockServiceRegistry1 = new MockServiceRegistry().setName("s1"); |
| MockServiceRegistry mockServiceRegistry2 = new MockServiceRegistry().setName("s2") |
| .addCache(mockMicroserviceCache2); |
| MockServiceRegistry mockServiceRegistry3 = new MockServiceRegistry().setName("s3") |
| .addCache(mockMicroserviceCache3); |
| |
| List<ServiceRegistry> serviceRegistries = Arrays.asList( |
| mockServiceRegistry0, |
| mockServiceRegistry1, |
| mockServiceRegistry2, |
| mockServiceRegistry3 |
| ); |
| |
| AggregateMicroserviceCache compositeMicroserviceCache = new AggregateMicroserviceCache( |
| microserviceCacheKey, |
| serviceRegistries); |
| |
| // Test initialization |
| // key |
| Assert.assertSame(microserviceCacheKey, compositeMicroserviceCache.getKey()); |
| // status |
| Assert.assertEquals(MicroserviceCacheStatus.REFRESHED, compositeMicroserviceCache.getStatus()); |
| // revision |
| Assert.assertEquals("1", compositeMicroserviceCache.getRevisionId()); |
| Assert.assertEquals(1L, compositeMicroserviceCache.revisionCounter.get()); |
| // MicroserviceCache map |
| Assert.assertEquals(2, compositeMicroserviceCache.caches.size()); |
| Assert.assertSame(mockMicroserviceCache0, compositeMicroserviceCache.caches.get("s0")); |
| Assert.assertSame(mockMicroserviceCache2, compositeMicroserviceCache.caches.get("s2")); |
| // ServiceRegistry collection |
| Assert.assertEquals(serviceRegistries.size(), compositeMicroserviceCache.serviceRegistries.size()); |
| Iterator<ServiceRegistry> serviceRegistryIterator = compositeMicroserviceCache.serviceRegistries.iterator(); |
| Assert.assertSame(serviceRegistries.get(0), serviceRegistryIterator.next()); |
| Assert.assertSame(serviceRegistries.get(1), serviceRegistryIterator.next()); |
| Assert.assertSame(serviceRegistries.get(2), serviceRegistryIterator.next()); |
| Assert.assertSame(serviceRegistries.get(3), serviceRegistryIterator.next()); |
| // cached instances |
| Assert.assertEquals(2, compositeMicroserviceCache.getInstances().size()); |
| Assert.assertSame(mockMicroserviceCache2.instances.get(0), compositeMicroserviceCache.getInstances().get(0)); |
| Assert.assertSame(mockMicroserviceCache2.instances.get(1), compositeMicroserviceCache.getInstances().get(1)); |
| |
| // Test refresh() |
| mockMicroserviceCache0.instances = Collections.singletonList(new MicroserviceInstance()); |
| mockMicroserviceCache2.instances = Collections.singletonList(new MicroserviceInstance()); |
| compositeMicroserviceCache.refresh(); |
| // status |
| Assert.assertEquals(MicroserviceCacheStatus.REFRESHED, compositeMicroserviceCache.getStatus()); |
| // revision |
| Assert.assertEquals("2", compositeMicroserviceCache.getRevisionId()); |
| Assert.assertEquals(2L, compositeMicroserviceCache.revisionCounter.get()); |
| // cached instances |
| Assert.assertEquals(2, compositeMicroserviceCache.getInstances().size()); |
| Assert.assertSame(mockMicroserviceCache0.instances.get(0), compositeMicroserviceCache.getInstances().get(0)); |
| Assert.assertSame(mockMicroserviceCache2.instances.get(0), compositeMicroserviceCache.getInstances().get(1)); |
| |
| // Test refresh() |
| // microservice deleted and registered |
| mockMicroserviceCache0.status = MicroserviceCacheStatus.SERVICE_NOT_FOUND; |
| mockMicroserviceCache3.status = MicroserviceCacheStatus.REFRESHED; |
| compositeMicroserviceCache.refresh(); |
| // status |
| Assert.assertEquals(MicroserviceCacheStatus.REFRESHED, compositeMicroserviceCache.getStatus()); |
| // revision |
| Assert.assertEquals("3", compositeMicroserviceCache.getRevisionId()); |
| Assert.assertEquals(3L, compositeMicroserviceCache.revisionCounter.get()); |
| // ServiceRegistries |
| Assert.assertNotNull(compositeMicroserviceCache.caches.get("s2")); |
| Assert.assertNotNull(compositeMicroserviceCache.caches.get("s3")); |
| // cached instances |
| Assert.assertEquals(1, compositeMicroserviceCache.getInstances().size()); |
| Assert.assertSame(mockMicroserviceCache2.instances.get(0), compositeMicroserviceCache.getInstances().get(0)); |
| } |
| |
| public static class MockServiceRegistry extends EmptyMockServiceRegistry { |
| String name; |
| |
| Map<MicroserviceCacheKey, MicroserviceCache> cacheMap = new HashMap<>(); |
| |
| public MockServiceRegistry setName(String name) { |
| this.name = name; |
| return this; |
| } |
| |
| public MockServiceRegistry addCache(MicroserviceCache microserviceCache) { |
| cacheMap.put(microserviceCache.getKey(), microserviceCache); |
| return this; |
| } |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| @Override |
| public MicroserviceCache findMicroserviceCache(MicroserviceCacheKey microserviceCacheKey) { |
| return cacheMap.get(microserviceCacheKey); |
| } |
| } |
| |
| public static class MockMicroserviceCache extends RefreshableMicroserviceCache { |
| public MockMicroserviceCache(MicroserviceCacheKey key, MicroserviceCacheStatus microserviceCacheStatus) { |
| super(null, key, null, false); |
| setStatus(microserviceCacheStatus); |
| } |
| } |
| } |