/*
* 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.handler.codec.http.websocketx;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.TooLongFrameException;
import io.netty.util.CharsetUtil;
import io.netty.util.ReferenceCountUtil;
import org.junit.Assert;
import org.junit.Test;
public class WebSocketFrameAggregatorTest {
private final ByteBuf content1 = ReferenceCountUtil.releaseLater(
Unpooled.copiedBuffer("Content1", CharsetUtil.UTF_8));
private final ByteBuf content2 = ReferenceCountUtil.releaseLater(
Unpooled.copiedBuffer("Content2", CharsetUtil.UTF_8));
private final ByteBuf content3 = ReferenceCountUtil.releaseLater(
Unpooled.copiedBuffer("Content3", CharsetUtil.UTF_8));
private final ByteBuf aggregatedContent = ReferenceCountUtil.releaseLater(
Unpooled.buffer().writeBytes(content1.duplicate())
.writeBytes(content2.duplicate()).writeBytes(content3.duplicate()));
@Test
public void testAggregationBinary() {
EmbeddedChannel channel = new EmbeddedChannel(new WebSocketFrameAggregator(Integer.MAX_VALUE));
channel.writeInbound(new BinaryWebSocketFrame(true, 1, content1.copy()));
channel.writeInbound(new BinaryWebSocketFrame(false, 0, content1.copy()));
channel.writeInbound(new ContinuationWebSocketFrame(false, 0, content2.copy()));
channel.writeInbound(new PingWebSocketFrame(content1.copy()));
channel.writeInbound(new PongWebSocketFrame(content1.copy()));
channel.writeInbound(new ContinuationWebSocketFrame(true, 0, content3.copy()));
Assert.assertTrue(channel.finish());
BinaryWebSocketFrame frame = (BinaryWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame.isFinalFragment());
Assert.assertEquals(1, frame.rsv());
Assert.assertEquals(content1, frame.content());
frame.release();
PingWebSocketFrame frame2 = (PingWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame2.isFinalFragment());
Assert.assertEquals(0, frame2.rsv());
Assert.assertEquals(content1, frame2.content());
frame2.release();
PongWebSocketFrame frame3 = (PongWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame3.isFinalFragment());
Assert.assertEquals(0, frame3.rsv());
Assert.assertEquals(content1, frame3.content());
frame3.release();
BinaryWebSocketFrame frame4 = (BinaryWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame4.isFinalFragment());
Assert.assertEquals(0, frame4.rsv());
Assert.assertEquals(aggregatedContent, frame4.content());
frame4.release();
Assert.assertNull(channel.readInbound());
}
@Test
public void testAggregationText() {
EmbeddedChannel channel = new EmbeddedChannel(new WebSocketFrameAggregator(Integer.MAX_VALUE));
channel.writeInbound(new TextWebSocketFrame(true, 1, content1.copy()));
channel.writeInbound(new TextWebSocketFrame(false, 0, content1.copy()));
channel.writeInbound(new ContinuationWebSocketFrame(false, 0, content2.copy()));
channel.writeInbound(new PingWebSocketFrame(content1.copy()));
channel.writeInbound(new PongWebSocketFrame(content1.copy()));
channel.writeInbound(new ContinuationWebSocketFrame(true, 0, content3.copy()));
Assert.assertTrue(channel.finish());
TextWebSocketFrame frame = (TextWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame.isFinalFragment());
Assert.assertEquals(1, frame.rsv());
Assert.assertEquals(content1, frame.content());
frame.release();
PingWebSocketFrame frame2 = (PingWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame2.isFinalFragment());
Assert.assertEquals(0, frame2.rsv());
Assert.assertEquals(content1, frame2.content());
frame2.release();
PongWebSocketFrame frame3 = (PongWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame3.isFinalFragment());
Assert.assertEquals(0, frame3.rsv());
Assert.assertEquals(content1, frame3.content());
frame3.release();
TextWebSocketFrame frame4 = (TextWebSocketFrame) channel.readInbound();
Assert.assertTrue(frame4.isFinalFragment());
Assert.assertEquals(0, frame4.rsv());
Assert.assertEquals(aggregatedContent, frame4.content());
frame4.release();
Assert.assertNull(channel.readInbound());
}
@Test
public void textFrameTooBig() throws Exception {
EmbeddedChannel channel = new EmbeddedChannel(new WebSocketFrameAggregator(8));
channel.writeInbound(new BinaryWebSocketFrame(true, 1, content1.copy()));
channel.writeInbound(new BinaryWebSocketFrame(false, 0, content1.copy()));
try {
channel.writeInbound(new ContinuationWebSocketFrame(false, 0, content2.copy()));
Assert.fail();
} catch (TooLongFrameException e) {
// expected
}
channel.writeInbound(new ContinuationWebSocketFrame(false, 0, content2.copy()));
channel.writeInbound(new ContinuationWebSocketFrame(true, 0, content2.copy()));
channel.writeInbound(new BinaryWebSocketFrame(true, 1, content1.copy()));
channel.writeInbound(new BinaryWebSocketFrame(false, 0, content1.copy()));
try {
channel.writeInbound(new ContinuationWebSocketFrame(false, 0, content2.copy()));
Assert.fail();
} catch (TooLongFrameException e) {
// expected
}
channel.writeInbound(new ContinuationWebSocketFrame(false, 0, content2.copy()));
channel.writeInbound(new ContinuationWebSocketFrame(true, 0, content2.copy()));
for (;;) {
Object msg = channel.readInbound();
if (msg == null) {
break;
}
ReferenceCountUtil.release(msg);
}
channel.finish();
}
}