/*
* (C) 2007-2012 Alibaba Group Holding Limited.
*
* Licensed 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.
* Authors:
* wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
*/
package com.taobao.metamorphosis.server.store;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import org.easymock.EasyMock;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.taobao.gecko.core.buffer.IoBuffer;
import com.taobao.gecko.service.Connection;
import com.taobao.metamorphosis.network.GetCommand;
import com.taobao.metamorphosis.network.PutCommand;
import com.taobao.metamorphosis.server.network.SessionContextImpl;
import com.taobao.metamorphosis.utils.MessageUtils;
public class FileMessageSetUnitTest {
private FileMessageSet fileMessageSet;
private File file;
@Before
public void setUp() throws IOException {
this.file = new File("FileMessageSetUnitTest.test");
if (!this.file.exists()) {
this.file.createNewFile();
}
final FileChannel channel = new RandomAccessFile(this.file, "rw").getChannel();
channel.truncate(0);
this.fileMessageSet = new FileMessageSet(channel);
}
@After
public void tearDown() throws IOException {
if (this.fileMessageSet != null) {
this.fileMessageSet.close();
}
if (this.file != null && this.file.exists()) {
this.file.delete();
}
}
@Test
public void testMakeHead() throws Exception {
final IoBuffer head = this.fileMessageSet.makeHead(-1999, 100);
assertEquals(0, head.position());
assertTrue(head.hasRemaining());
assertEquals("value 100 -1999\r\n", new String(head.array()));
}
@Test
public void testSlice() throws Exception {
final long limit = 100;
this.fileMessageSet.channel().position(limit);
final ByteBuffer buf = ByteBuffer.allocate(1);
buf.put((byte) 1);
buf.flip();
this.fileMessageSet.append(buf);
this.fileMessageSet.setSizeInBytes(limit);
this.fileMessageSet.flush();
assertEquals(limit, this.fileMessageSet.highWaterMark());
FileMessageSet subSet = (FileMessageSet) this.fileMessageSet.slice(1, 10);
assertNotNull(subSet);
assertEquals(9, subSet.getSizeInBytes());
assertEquals(1, subSet.getOffset());
subSet = (FileMessageSet) this.fileMessageSet.slice(10, 210);
assertNotNull(subSet);
assertEquals(limit + 1 - 10, subSet.getSizeInBytes());
assertEquals(10, subSet.getOffset());
}
@Test
public void testAppendAppendCloseRecover() throws Exception {
PutCommand message = new PutCommand("test", 0, "hello".getBytes(), null, 0, 0);
final ByteBuffer buf1 = MessageUtils.makeMessageBuffer(1, message);
assertEquals(0, this.fileMessageSet.append(buf1));
message = new PutCommand("test", 0, "world".getBytes(), null, 0, 0);
final ByteBuffer buf2 = MessageUtils.makeMessageBuffer(2, message);
assertEquals(buf1.capacity(), this.fileMessageSet.append(buf2));
this.fileMessageSet.flush();
this.fileMessageSet.close();
final FileChannel channel = new RandomAccessFile(this.file, "rw").getChannel();
this.fileMessageSet = new FileMessageSet(channel);
assertEquals(2 * buf2.capacity(), this.fileMessageSet.getSizeInBytes());
assertEquals(2 * buf2.capacity(), this.fileMessageSet.channel().position());
}
@Test
public void testAppendAppendCloseRecoverTruncate() throws Exception {
PutCommand message = new PutCommand("test", 0, "hello".getBytes(), null, 0, 0);
ByteBuffer buf = MessageUtils.makeMessageBuffer(1, message);
this.fileMessageSet.append(buf);
message = new PutCommand("test", 0, "world".getBytes(), null, 0, 0);
buf = MessageUtils.makeMessageBuffer(2, message);
this.fileMessageSet.append(buf);
this.fileMessageSet.append(ByteBuffer.wrap("temp".getBytes()));
this.fileMessageSet.flush();
this.fileMessageSet.close();
final FileChannel channel = new RandomAccessFile(this.file, "rw").getChannel();
this.fileMessageSet = new FileMessageSet(channel);
assertEquals(2 * buf.capacity(), this.fileMessageSet.getSizeInBytes());
assertEquals(2 * buf.capacity(), this.fileMessageSet.channel().position());
}
@Test
public void testAppendAppendFlushSliceWrite() throws IOException {
final String str = "hello world";
final ByteBuffer buf = ByteBuffer.wrap(str.getBytes());
assertEquals(0, this.fileMessageSet.append(buf));
buf.rewind();
assertEquals(buf.capacity(), this.fileMessageSet.append(buf));
assertEquals(0L, this.fileMessageSet.highWaterMark());
this.fileMessageSet.flush();
assertEquals(2L * str.length(), this.fileMessageSet.highWaterMark());
final FileMessageSet subSet = (FileMessageSet) this.fileMessageSet.slice(0, 100);
assertEquals(2L * str.length(), subSet.highWaterMark());
final Connection conn = EasyMock.createMock(Connection.class);
EasyMock.expect(conn.getRemoteSocketAddress()).andReturn(new InetSocketAddress(8181)).anyTimes();
final int opaque = 99;
final IoBuffer head = IoBuffer.wrap(("value " + 2 * str.length() + " " + opaque + "\r\n").getBytes());
conn.transferFrom(head, null, this.fileMessageSet.channel(), 0, 2 * str.length());
EasyMock.expectLastCall();
EasyMock.replay(conn);
subSet.write(new GetCommand("test", "boyan-test", -1, 0, 1024 * 1024, opaque), new SessionContextImpl(null,
conn));
EasyMock.verify(conn);
}
}