| /* |
| * 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.cassandra.db.commitlog; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import com.google.common.collect.ImmutableMap; |
| |
| import org.junit.Test; |
| |
| import org.apache.cassandra.config.ParameterizedClass; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.io.util.DataInputBuffer; |
| import org.apache.cassandra.net.MessagingService; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class CommitLogDescriptorTest |
| { |
| @Test |
| public void testVersions() |
| { |
| assertTrue(CommitLogDescriptor.isValid("CommitLog-1340512736956320000.log")); |
| assertTrue(CommitLogDescriptor.isValid("CommitLog-2-1340512736956320000.log")); |
| assertFalse(CommitLogDescriptor.isValid("CommitLog--1340512736956320000.log")); |
| assertFalse(CommitLogDescriptor.isValid("CommitLog--2-1340512736956320000.log")); |
| assertFalse(CommitLogDescriptor.isValid("CommitLog-2-1340512736956320000-123.log")); |
| |
| assertEquals(1340512736956320000L, CommitLogDescriptor.fromFileName("CommitLog-2-1340512736956320000.log").id); |
| |
| assertEquals(MessagingService.current_version, new CommitLogDescriptor(1340512736956320000L, null).getMessagingVersion()); |
| String newCLName = "CommitLog-" + CommitLogDescriptor.current_version + "-1340512736956320000.log"; |
| assertEquals(MessagingService.current_version, CommitLogDescriptor.fromFileName(newCLName).getMessagingVersion()); |
| } |
| |
| private void testDescriptorPersistence(CommitLogDescriptor desc) throws IOException |
| { |
| ByteBuffer buf = ByteBuffer.allocate(1024); |
| CommitLogDescriptor.writeHeader(buf, desc); |
| // Put some extra data in the stream. |
| buf.putDouble(0.1); |
| buf.flip(); |
| |
| try (DataInputBuffer input = new DataInputBuffer(buf, false)) |
| { |
| CommitLogDescriptor read = CommitLogDescriptor.readHeader(input); |
| assertEquals("Descriptors", desc, read); |
| } |
| } |
| |
| @Test |
| public void testDescriptorPersistence() throws IOException |
| { |
| testDescriptorPersistence(new CommitLogDescriptor(11, null)); |
| testDescriptorPersistence(new CommitLogDescriptor(CommitLogDescriptor.VERSION_21, 13, null)); |
| testDescriptorPersistence(new CommitLogDescriptor(CommitLogDescriptor.VERSION_30, 15, null)); |
| testDescriptorPersistence(new CommitLogDescriptor(CommitLogDescriptor.VERSION_30, 17, new ParameterizedClass("LZ4Compressor", null))); |
| testDescriptorPersistence(new CommitLogDescriptor(CommitLogDescriptor.VERSION_30, 19, |
| new ParameterizedClass("StubbyCompressor", ImmutableMap.of("parameter1", "value1", "flag2", "55", "argument3", "null")))); |
| } |
| |
| @Test |
| public void testDescriptorInvalidParametersSize() throws IOException |
| { |
| final int numberOfParameters = 65535; |
| Map<String, String> params = new HashMap<>(numberOfParameters); |
| for (int i=0; i<numberOfParameters; ++i) |
| params.put("key"+i, Integer.toString(i, 16)); |
| try { |
| CommitLogDescriptor desc = new CommitLogDescriptor(CommitLogDescriptor.VERSION_30, |
| 21, |
| new ParameterizedClass("LZ4Compressor", params)); |
| ByteBuffer buf = ByteBuffer.allocate(1024000); |
| CommitLogDescriptor.writeHeader(buf, desc); |
| fail("Parameter object too long should fail on writing descriptor."); |
| } catch (ConfigurationException e) |
| { |
| // correct path |
| } |
| } |
| } |