HandshakeHandlerTest.java

/**
 * Copyright 2012 Ronen Hamias, Anton Kharenko
 *
 * 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 io.scalecube.socketio.pipeline;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.util.CharsetUtil;

import org.junit.Before;
import org.junit.Test;


public class HandshakeHandlerTest {

  private static final int PROTOCOL = 1;
  private static final String CONTEXT_PATH = "/socket.io";
  private static final String HANDSHAKE_PATH = CONTEXT_PATH + "/" + PROTOCOL + "/";
  private HandshakeHandler handshakeHandler;

  @Before
  public void setUp() throws Exception {
    handshakeHandler = new HandshakeHandler(HANDSHAKE_PATH, 60, 60, "websocket,flashsocket,xhr-polling,jsonp-polling");
  }

  @Test
  public void testChannelRead() throws Exception {
    HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/socket.io/1/");

    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, handshakeHandler);
    channel.writeInbound(request);
    Object outboundMessage = lastOutboundHandler.getOutboundMessages().poll();
    assertTrue(outboundMessage instanceof FullHttpResponse);
    FullHttpResponse res = (FullHttpResponse) outboundMessage;
    assertEquals(HttpVersion.HTTP_1_1, res.protocolVersion());
    assertEquals(HttpResponseStatus.OK, res.status());
    ByteBuf content = res.content();
    assertTrue(content.toString(CharsetUtil.UTF_8).endsWith("60:60:websocket,flashsocket,xhr-polling,jsonp-polling"));
    channel.finish();
  }

  @Test
  public void testChannelReadError() throws Exception {
    HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/wrongPath/");

    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, handshakeHandler);
    channel.writeInbound(request);
    Object outboundMessage = lastOutboundHandler.getOutboundMessages().poll();
    assertTrue(outboundMessage instanceof HttpResponse);
    HttpResponse res = (HttpResponse) outboundMessage;
    assertEquals(HttpVersion.HTTP_1_1, res.protocolVersion());
    assertEquals(HttpResponseStatus.BAD_REQUEST, res.status());
    channel.finish();
  }

  @Test
  public void testChannelReadPost() throws Exception {
    HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, "/socket.io/1/");
    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, handshakeHandler);
    channel.writeInbound(request);
    Object object = channel.readInbound();
    assertTrue(object instanceof HttpRequest);
    assertEquals(request, object);
    channel.finish();
  }

  @Test
  public void testChannelReadNonHttp() throws Exception {
    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, handshakeHandler);
    channel.writeInbound(Unpooled.EMPTY_BUFFER);
    Object object = channel.readInbound();
    assertTrue(object instanceof ByteBuf);
    assertEquals(Unpooled.EMPTY_BUFFER, object);
    channel.finish();
  }
}