Java tutorial
/* * 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.solr.schema; import org.apache.solr.SolrTestCaseJ4; import org.apache.solr.schema.ZkIndexSchemaReader.SchemaWatcher; import org.apache.zookeeper.WatchedEvent; import org.apache.zookeeper.Watcher.Event.EventType; import org.apache.zookeeper.Watcher.Event.KeeperState; import org.junit.Before; import org.junit.Test; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.verifyZeroInteractions; public class SchemaWatcherTest { private ZkIndexSchemaReader mockSchemaReader; private SchemaWatcher schemaWatcher; @Before public void setUp() throws Exception { SolrTestCaseJ4.assumeWorkingMockito(); mockSchemaReader = mock(ZkIndexSchemaReader.class); schemaWatcher = new SchemaWatcher(mockSchemaReader); } @Test public void testProcess() throws Exception { schemaWatcher.process(new WatchedEvent(EventType.NodeDataChanged, KeeperState.SyncConnected, "/test")); verify(mockSchemaReader).updateSchema(schemaWatcher, -1); } @Test public void testDiscardReaderReference() throws Exception { schemaWatcher.discardReaderReference(); schemaWatcher.process(new WatchedEvent(EventType.NodeDataChanged, KeeperState.SyncConnected, "/test")); // after discardReaderReference, SchemaWatcher should no longer hold a ref to the reader verifyZeroInteractions(mockSchemaReader); } }