/*
* Copyright 2013 Netflix, Inc.
*
* 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.
*/
package com.netflix.suro.message;
import com.netflix.suro.ClientConfig;
import com.netflix.suro.thrift.TMessageSet;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class TestMessageSet {
public static List<Message> createMessageList(List<String> routingKeyList, List<String> payloadList) {
List<Message> messageList = new LinkedList<Message>();
for (int i = 0; i < routingKeyList.size(); ++i) {
Message message = new Message(
routingKeyList.get(i),
payloadList.get(i).getBytes());
messageList.add(message);
}
return messageList;
}
private List<String> payloadList;
private List<String> routingKeyList;
private List<Message> messageList;
@Before
public void generateMessages() {
payloadList = new LinkedList<String>();
routingKeyList = new LinkedList<String>();
for (int i = 0; i < 10; ++i) {
routingKeyList.add("routingKey" + i);
payloadList.add("payload" + i);
}
messageList = createMessageList(routingKeyList, payloadList);
}
@Test
public void testEmptyBuilder() {
TMessageSet messageSet = new MessageSetBuilder(new ClientConfig()).build();
assertEquals(messageSet.getNumMessages(), 0);
}
@Test
public void testBuilder() throws IOException {
TMessageSet messageSet = buildMessageSet();
assertEquals(messageSet.getCompression(), 1);
byte[] bytePayload = messageSet.getMessages();
byte[] payload = MessageSetBuilder.createPayload(messageList, Compression.LZF);
assertEquals(bytePayload.length, payload.length);
for (int i = 0; i < bytePayload.length; ++i) {
assertEquals(bytePayload[i], payload[i]);
}
}
private TMessageSet buildMessageSet() {
MessageSetBuilder builder = new MessageSetBuilder(new ClientConfig());
for (Message message : messageList) {
builder.withMessage(message.getRoutingKey(), message.getPayload());
}
return builder.build();
}
@Test
public void testReader() throws Exception {
TMessageSet messageSet = buildMessageSet();
MessageSetReader reader = new MessageSetReader(messageSet);
assertTrue(reader.checkCRC());
SerDe<String> serde = new StringSerDe();
int i = 0;
for (Message message : reader) {
assertEquals(message.getRoutingKey(), "routingKey" + i);
assertEquals(serde.deserialize(message.getPayload()), "payload" + i);
++i;
}
assertEquals(i, 10);
}
@Test
public void testReaderException() throws IOException {
MessageSetBuilder builder = new MessageSetBuilder(new ClientConfig()).withCompression(Compression.NO);
for (Message message : messageList) {
builder.withMessage(message.getRoutingKey(), message.getPayload());
}
TMessageSet messageSet = builder.build();
byte[] b = messageSet.getMessages();
// corrup the data
b[0] = (byte) 0xff;
b[1] = (byte) 0xff;
b[2] = (byte) 0xff;
b[3] = (byte) 0xff;
MessageSetReader reader = new MessageSetReader(messageSet);
//assertTrue(reader.checkCRC());
SerDe<String> serde = new StringSerDe();
int i = 0;
for (Message message : reader) {
assertNull(message);
}
assertEquals(i, 0);
}
}