| /* |
| * 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()); |
| } |
| } |