| /** |
| * 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.activemq.store.kahadb.plist; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import org.apache.activemq.util.IOHelper; |
| import org.apache.kahadb.util.ByteSequence; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class PListTest { |
| |
| private PListStore store; |
| private PList plist; |
| |
| |
| @Test |
| public void testAddLast() throws Exception { |
| final int COUNT = 1000; |
| Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>(); |
| for (int i = 0; i < COUNT; i++) { |
| String test = new String("test" + i); |
| ByteSequence bs = new ByteSequence(test.getBytes()); |
| map.put(test, bs); |
| plist.addLast(test, bs); |
| } |
| assertEquals(plist.size(), COUNT); |
| int count = 0; |
| for (ByteSequence bs : map.values()) { |
| String origStr = new String(bs.getData(), bs.getOffset(), bs.getLength()); |
| PListEntry entry = plist.get(count); |
| String plistString = new String(entry.getByteSequence().getData(), entry.getByteSequence().getOffset(), |
| entry.getByteSequence().getLength()); |
| assertEquals(origStr, plistString); |
| count++; |
| } |
| } |
| |
| @Test |
| public void testAddFirst() throws Exception { |
| final int COUNT = 1000; |
| Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>(); |
| for (int i = 0; i < COUNT; i++) { |
| String test = new String("test" + i); |
| ByteSequence bs = new ByteSequence(test.getBytes()); |
| map.put(test, bs); |
| plist.addFirst(test, bs); |
| } |
| assertEquals(plist.size(), COUNT); |
| int count = plist.size() - 1; |
| for (ByteSequence bs : map.values()) { |
| String origStr = new String(bs.getData(), bs.getOffset(), bs.getLength()); |
| PListEntry entry = plist.get(count); |
| String plistString = new String(entry.getByteSequence().getData(), entry.getByteSequence().getOffset(), |
| entry.getByteSequence().getLength()); |
| assertEquals(origStr, plistString); |
| count--; |
| } |
| } |
| |
| @Test |
| public void testRemove() throws IOException { |
| doTestRemove(2000); |
| } |
| |
| protected void doTestRemove(final int COUNT) throws IOException { |
| Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>(); |
| for (int i = 0; i < COUNT; i++) { |
| String test = new String("test" + i); |
| ByteSequence bs = new ByteSequence(test.getBytes()); |
| map.put(test, bs); |
| plist.addLast(test, bs); |
| } |
| assertEquals(plist.size(), COUNT); |
| PListEntry entry = plist.getFirst(); |
| while (entry != null) { |
| plist.remove(entry.copy()); |
| entry = plist.getFirst(); |
| } |
| assertEquals(0,plist.size()); |
| |
| } |
| |
| @Test |
| public void testDestroy() throws Exception { |
| doTestRemove(1); |
| plist.destroy(); |
| assertEquals(0,plist.size()); |
| } |
| |
| @Test |
| public void testDestroyNonEmpty() throws Exception { |
| final int COUNT = 1000; |
| Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>(); |
| for (int i = 0; i < COUNT; i++) { |
| String test = new String("test" + i); |
| ByteSequence bs = new ByteSequence(test.getBytes()); |
| map.put(test, bs); |
| plist.addLast(test, bs); |
| } |
| plist.destroy(); |
| assertEquals(0,plist.size()); |
| assertNull("no first entry", plist.getFirst()); |
| } |
| |
| @Test |
| public void testRemoveSecond() throws Exception { |
| plist.addLast("First", new ByteSequence("A".getBytes())); |
| plist.addLast("Second", new ByteSequence("B".getBytes())); |
| |
| assertTrue(plist.remove("Second")); |
| assertTrue(plist.remove("First")); |
| assertFalse(plist.remove("doesNotExist")); |
| } |
| |
| |
| @Test |
| public void testRemoveSecondPosition() throws Exception { |
| plist.addLast("First", new ByteSequence("A".getBytes())); |
| plist.addLast("Second", new ByteSequence("B".getBytes())); |
| |
| assertTrue(plist.remove(1)); |
| assertTrue(plist.remove(0)); |
| assertFalse(plist.remove(3)); |
| } |
| |
| |
| @Before |
| public void setUp() throws Exception { |
| File directory = new File("target/test/PlistDB"); |
| IOHelper.mkdirs(directory); |
| IOHelper.deleteChildren(directory); |
| startStore(directory); |
| |
| } |
| |
| protected void startStore(File directory) throws Exception { |
| store = new PListStore(); |
| store.setDirectory(directory); |
| store.start(); |
| plist = store.getPList("test"); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| store.stop(); |
| } |
| |
| } |