/*
* Copyright 2013 The Netty Project
*
* The Netty Project 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 io.netty.channel;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.ByteBufOutputStream;
import io.netty.buffer.Unpooled;
import org.junit.Test;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
@SuppressWarnings("DynamicRegexReplaceableByCompiledPattern")
public class DefaultChannelIdTest {
@Test
public void testShortText() {
String text = DefaultChannelId.newInstance().asShortText();
assertTrue(text.matches("^[0-9a-f]{8}$"));
}
@Test
public void testLongText() {
String text = DefaultChannelId.newInstance().asLongText();
assertTrue(text.matches("^[0-9a-f]{16}-[0-9a-f]{8}-[0-9a-f]{8}-[0-9a-f]{16}-[0-9a-f]{8}$"));
}
@Test
public void testIdempotentMachineId() {
String a = DefaultChannelId.newInstance().asLongText().substring(0, 16);
String b = DefaultChannelId.newInstance().asLongText().substring(0, 16);
assertThat(a, is(b));
}
@Test
public void testIdempotentProcessId() {
String a = DefaultChannelId.newInstance().asLongText().substring(17, 21);
String b = DefaultChannelId.newInstance().asLongText().substring(17, 21);
assertThat(a, is(b));
}
@Test
public void testSerialization() throws Exception {
ChannelId a = DefaultChannelId.newInstance();
ChannelId b;
ByteBuf buf = Unpooled.buffer();
ObjectOutputStream out = new ObjectOutputStream(new ByteBufOutputStream(buf));
out.writeObject(a);
out.flush();
ObjectInputStream in = new ObjectInputStream(new ByteBufInputStream(buf));
b = (ChannelId) in.readObject();
assertThat(a, is(b));
assertThat(a, is(not(sameInstance(b))));
assertThat(a.asLongText(), is(b.asLongText()));
}
}