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Java example source code file (WebSocketClientHandshakerTest.java)
The WebSocketClientHandshakerTest.java Java example source code/* * Copyright 2015 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.CompositeByteBuf; import io.netty.buffer.Unpooled; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.SimpleChannelInboundHandler; import io.netty.channel.embedded.EmbeddedChannel; import io.netty.handler.codec.http.EmptyHttpHeaders; import io.netty.handler.codec.http.FullHttpRequest; import io.netty.handler.codec.http.FullHttpResponse; import io.netty.handler.codec.http.HttpClientCodec; import io.netty.handler.codec.http.HttpObjectAggregator; import io.netty.handler.codec.http.HttpRequestEncoder; import io.netty.handler.codec.http.HttpResponseDecoder; import io.netty.util.CharsetUtil; import io.netty.util.internal.ThreadLocalRandom; import org.junit.Test; import java.net.URI; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; public abstract class WebSocketClientHandshakerTest { protected abstract WebSocketClientHandshaker newHandshaker(URI uri); @Test public void testRawPath() { URI uri = URI.create("ws://localhost:9999/path%20with%20ws"); WebSocketClientHandshaker handshaker = newHandshaker(uri); FullHttpRequest request = handshaker.newHandshakeRequest(); try { assertEquals("/path%20with%20ws", request.getUri()); } finally { request.release(); } } @Test(timeout = 3000) public void testHttpResponseAndFrameInSameBuffer() { testHttpResponseAndFrameInSameBuffer(false); } @Test(timeout = 3000) public void testHttpResponseAndFrameInSameBufferCodec() { testHttpResponseAndFrameInSameBuffer(true); } private void testHttpResponseAndFrameInSameBuffer(boolean codec) { String url = "ws://localhost:9999/ws"; final WebSocketClientHandshaker shaker = newHandshaker(URI.create(url)); final WebSocketClientHandshaker handshaker = new WebSocketClientHandshaker( shaker.uri(), shaker.version(), null, EmptyHttpHeaders.INSTANCE, Integer.MAX_VALUE) { @Override protected FullHttpRequest newHandshakeRequest() { return shaker.newHandshakeRequest(); } @Override protected void verify(FullHttpResponse response) { // Not do any verification, so we not need to care sending the correct headers etc in the test, // which would just make things more complicated. } @Override protected WebSocketFrameDecoder newWebsocketDecoder() { return shaker.newWebsocketDecoder(); } @Override protected WebSocketFrameEncoder newWebSocketEncoder() { return shaker.newWebSocketEncoder(); } }; byte[] data = new byte[24]; ThreadLocalRandom.current().nextBytes(data); // Create a EmbeddedChannel which we will use to encode a BinaryWebsocketFrame to bytes and so use these // to test the actual handshaker. WebSocketServerHandshakerFactory factory = new WebSocketServerHandshakerFactory(url, null, false); WebSocketServerHandshaker socketServerHandshaker = factory.newHandshaker(shaker.newHandshakeRequest()); EmbeddedChannel websocketChannel = new EmbeddedChannel(socketServerHandshaker.newWebSocketEncoder(), socketServerHandshaker.newWebsocketDecoder()); assertTrue(websocketChannel.writeOutbound(new BinaryWebSocketFrame(Unpooled.wrappedBuffer(data)))); byte[] bytes = "HTTP/1.1 101 Switching Protocols\r\nContent-Length: 0\r\n\r\n".getBytes(CharsetUtil.US_ASCII); CompositeByteBuf compositeByteBuf = Unpooled.compositeBuffer(); compositeByteBuf.addComponent(true, Unpooled.wrappedBuffer(bytes)); for (;;) { ByteBuf frameBytes = websocketChannel.readOutbound(); if (frameBytes == null) { break; } compositeByteBuf.addComponent(true, frameBytes); } EmbeddedChannel ch = new EmbeddedChannel(new HttpObjectAggregator(Integer.MAX_VALUE), new SimpleChannelInboundHandler<FullHttpResponse>() { @Override protected void channelRead0(ChannelHandlerContext ctx, FullHttpResponse msg) throws Exception { handshaker.finishHandshake(ctx.channel(), msg); ctx.pipeline().remove(this); } }); if (codec) { ch.pipeline().addFirst(new HttpClientCodec()); } else { ch.pipeline().addFirst(new HttpRequestEncoder(), new HttpResponseDecoder()); } // We need to first write the request as HttpClientCodec will fail if we receive a response before a request // was written. shaker.handshake(ch).syncUninterruptibly(); for (;;) { // Just consume the bytes, we are not interested in these. ByteBuf buf = ch.readOutbound(); if (buf == null) { break; } buf.release(); } assertTrue(ch.writeInbound(compositeByteBuf)); assertTrue(ch.finish()); BinaryWebSocketFrame frame = ch.readInbound(); ByteBuf expect = Unpooled.wrappedBuffer(data); try { assertEquals(expect, frame.content()); assertTrue(frame.isFinalFragment()); assertEquals(0, frame.rsv()); } finally { expect.release(); frame.release(); } } } Other Java examples (source code examples)Here is a short list of links related to this Java WebSocketClientHandshakerTest.java source code file: |
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