/* * 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.samza.table.remote.couchbase; import com.couchbase.client.java.Bucket; import com.couchbase.client.java.CouchbaseCluster; import com.couchbase.client.java.env.CouchbaseEnvironment; import java.util.Arrays; import java.util.List; import org.junit.Test; import org.junit.runner.RunWith; import org.powermock.core.classloader.annotations.PrepareForTest; import org.powermock.modules.junit4.PowerMockRunner; import static org.junit.Assert.*; import static org.mockito.Matchers.*; import static org.powermock.api.mockito.PowerMockito.*; /** * This class performs unit tests for CouchbaseBucketRegistry */ @RunWith(PowerMockRunner.class) @PrepareForTest(CouchbaseCluster.class) public class TestCouchbaseBucketRegistry { /** * This unit test uses CouchbaseBucketRegistry to register two mocked buckets. It tests: * 1. Calling registry.getBucket with same bucketName and clusterNodes should return same Bucket instance * 2. Calling registry.getBucket with different bucketNames should return different Bucket instances */ @Test public void testOpenBuckets() { String bucketName1 = "bucket1"; String bucketName2 = "bucket2"; List<String> clusterNodes = Arrays.asList("cluster"); CouchbaseEnvironmentConfigs configs = new CouchbaseEnvironmentConfigs(); CouchbaseCluster cluster = mock(CouchbaseCluster.class); when(cluster.openBucket(bucketName1)).thenReturn(mock(Bucket.class)); when(cluster.openBucket(bucketName2)).thenReturn(mock(Bucket.class)); mockStatic(CouchbaseCluster.class); when(CouchbaseCluster.create(any(CouchbaseEnvironment.class), anyListOf(String.class))).thenReturn(cluster); CouchbaseBucketRegistry registry = new CouchbaseBucketRegistry(); Bucket bucket1 = registry.getBucket(bucketName1, clusterNodes, configs); Bucket bucket1Copy = registry.getBucket(bucketName1, clusterNodes, configs); Bucket bucket2 = registry.getBucket(bucketName2, clusterNodes, configs); assertEquals(bucket1, bucket1Copy); assertNotEquals(bucket1, bucket2); } /** * This unit test uses CouchbaseBucketRegistry to register two mocked buckets with same name but in different clusters. * Calling registry.getBucket with same bucketName but different clusterNodes should return different Bucket instances. */ @Test public void testOpenSameBucketNameFromDifferentClusters() { String bucketName = "bucket"; List<String> clusterNodes1 = Arrays.asList("cluster1"); List<String> clusterNodes2 = Arrays.asList("cluster2"); CouchbaseEnvironmentConfigs configs = new CouchbaseEnvironmentConfigs(); CouchbaseCluster cluster1 = mock(CouchbaseCluster.class); CouchbaseCluster cluster2 = mock(CouchbaseCluster.class); when(cluster1.openBucket(bucketName)).thenReturn(mock(Bucket.class)); when(cluster2.openBucket(bucketName)).thenReturn(mock(Bucket.class)); mockStatic(CouchbaseCluster.class); when(CouchbaseCluster.create(any(CouchbaseEnvironment.class), eq(clusterNodes1))).thenReturn(cluster1); when(CouchbaseCluster.create(any(CouchbaseEnvironment.class), eq(clusterNodes2))).thenReturn(cluster2); CouchbaseBucketRegistry registry = new CouchbaseBucketRegistry(); Bucket bucketInCluster1 = registry.getBucket(bucketName, clusterNodes1, configs); Bucket bucketInCluster2 = registry.getBucket(bucketName, clusterNodes2, configs); assertNotEquals(bucketInCluster1, bucketInCluster2); } /** * This unit test simulates 10 tasks using the same bucket. Each task will call registry.getBucket once. Then * each task will also call registry.closeBucket once. After that, registry.closeBucket should return false if we * close the bucket one more time. And the bucket should have already been closed. */ @Test public void testCloseBucket() { String bucketName = "bucket"; List<String> clusterNodes = Arrays.asList("cluster"); CouchbaseEnvironmentConfigs configs = new CouchbaseEnvironmentConfigs(); CouchbaseCluster cluster = mock(CouchbaseCluster.class); Bucket bucket = mock(Bucket.class); when(bucket.close()).thenReturn(true).thenReturn(false); when(cluster.openBucket(bucketName)).thenReturn(bucket); when(cluster.disconnect()).thenReturn(true).thenReturn(false); mockStatic(CouchbaseCluster.class); when(CouchbaseCluster.create(any(CouchbaseEnvironment.class), eq(clusterNodes))).thenReturn(cluster); CouchbaseBucketRegistry registry = new CouchbaseBucketRegistry(); int numOfThreads = 10; for (int i = 0; i < numOfThreads; i++) { registry.getBucket(bucketName, clusterNodes, configs); } for (int i = 0; i < numOfThreads; i++) { assertTrue(registry.closeBucket(bucketName, clusterNodes)); } // Close one more time. Should return false. assertFalse(registry.closeBucket(bucketName, clusterNodes)); // Bucket should has been closed assertFalse(bucket.close()); } /** * This unit test simulates closing two buckets within one cluster. The cluster should only be disconnected when all * buckets has been closed. */ @Test public void testCloseTwoBucketsInSameCluster() { String bucketName1 = "bucket1"; String bucketName2 = "bucket2"; List<String> clusterNodes = Arrays.asList("cluster"); CouchbaseEnvironmentConfigs configs = new CouchbaseEnvironmentConfigs(); CouchbaseCluster cluster = mock(CouchbaseCluster.class); Bucket bucket1 = mock(Bucket.class); Bucket bucket2 = mock(Bucket.class); when(bucket1.close()).thenReturn(true).thenReturn(false); when(bucket2.close()).thenReturn(true).thenReturn(false); when(cluster.openBucket(bucketName1)).thenReturn(bucket1); when(cluster.openBucket(bucketName2)).thenReturn(bucket2); when(cluster.disconnect()).thenReturn(true).thenReturn(false); mockStatic(CouchbaseCluster.class); when(CouchbaseCluster.create(any(CouchbaseEnvironment.class), eq(clusterNodes))).thenReturn(cluster); CouchbaseBucketRegistry registry = new CouchbaseBucketRegistry(); registry.getBucket(bucketName1, clusterNodes, configs); registry.getBucket(bucketName2, clusterNodes, configs); assertTrue(registry.closeBucket(bucketName1, clusterNodes)); assertTrue(registry.closeBucket(bucketName2, clusterNodes)); // Cluster should have been disconnected. Should return false. assertFalse(cluster.disconnect()); // Buckets should have been closed. Should return false. assertFalse(cluster.disconnect()); } }