/*
* Copyright 2016 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.handler.codec;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.channel.socket.DatagramPacket;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.util.CharsetUtil;
import io.netty.util.internal.SocketUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.net.InetSocketAddress;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class DatagramPacketDecoderTest {
private EmbeddedChannel channel;
@Before
public void setUp() {
channel = new EmbeddedChannel(
new DatagramPacketDecoder(
new StringDecoder(CharsetUtil.UTF_8)));
}
@After
public void tearDown() {
assertFalse(channel.finish());
}
@Test
public void testDecode() {
InetSocketAddress recipient = SocketUtils.socketAddress("127.0.0.1", 10000);
InetSocketAddress sender = SocketUtils.socketAddress("127.0.0.1", 20000);
ByteBuf content = Unpooled.wrappedBuffer("netty".getBytes(CharsetUtil.UTF_8));
assertTrue(channel.writeInbound(new DatagramPacket(content, recipient, sender)));
assertEquals("netty", channel.readInbound());
}
@Test
public void testIsNotSharable() {
testIsSharable(false);
}
@Test
public void testIsSharable() {
testIsSharable(true);
}
private static void testIsSharable(boolean sharable) {
MessageToMessageDecoder<ByteBuf> wrapped = new TestMessageToMessageDecoder(sharable);
DatagramPacketDecoder decoder = new DatagramPacketDecoder(wrapped);
assertEquals(wrapped.isSharable(), decoder.isSharable());
}
private static final class TestMessageToMessageDecoder extends MessageToMessageDecoder<ByteBuf> {
private final boolean sharable;
TestMessageToMessageDecoder(boolean sharable) {
this.sharable = sharable;
}
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List<Object> out) throws Exception {
// NOOP
}
@Override
public boolean isSharable() {
return sharable;
}
}
}