XHRPollingHandlerTest.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.assertTrue;

import io.scalecube.socketio.TransportType;
import io.scalecube.socketio.packets.ConnectPacket;
import io.scalecube.socketio.packets.Packet;

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.HttpHeaderNames;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.util.CharsetUtil;

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

public class XHRPollingHandlerTest {

  private static final String X_FORWARDED_FOR = "X-Forwarded-For";
  private static final int PROTOCOL = 1;
  private static final String CONTEXT_PATH = "/socket.io";
  private static final String HANDSHAKE_PATH = CONTEXT_PATH + "/" + PROTOCOL + "/";
  private XHRPollingHandler xhrPollingHandler;

  @Before
  public void setUp() throws Exception {
    xhrPollingHandler = new XHRPollingHandler(HANDSHAKE_PATH, X_FORWARDED_FOR);
  }

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


  @Test
  public void testChannelReadWrongPath() throws Exception {
    HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/wrongPath/");
    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, xhrPollingHandler);
    channel.writeInbound(request);
    Object object = channel.readInbound();
    assertTrue(object instanceof HttpRequest);
    Assert.assertEquals(request, object);
    channel.finish();
  }

  @Test
  public void testChannelReadConnect() throws Exception {
    HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/socket.io/1/xhr-polling");
    String origin = "http://localhost:8080";
    request.headers().add(HttpHeaderNames.ORIGIN, origin);
    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, xhrPollingHandler);
    channel.writeInbound(request);
    Object object = channel.readInbound();
    assertTrue(object instanceof ConnectPacket);
    ConnectPacket packet = (ConnectPacket) object;
    Assert.assertEquals(TransportType.XHR_POLLING, packet.getTransportType());
    Assert.assertEquals(origin, packet.getOrigin());
    Assert.assertNull(packet.getRemoteAddress());
    channel.finish();
  }

  @Test
  public void testChannelReadConnectWithClientIpInHeader() throws Exception {
    HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/socket.io/1/xhr-polling");
    String origin = "http://localhost:8080";
    request.headers().add(HttpHeaderNames.ORIGIN, origin);
    request.headers().add(X_FORWARDED_FOR, "1.2.3.4");

    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, xhrPollingHandler);
    channel.writeInbound(request);
    Object object = channel.readInbound();
    assertTrue(object instanceof ConnectPacket);
    ConnectPacket packet = (ConnectPacket) object;
    Assert.assertEquals(TransportType.XHR_POLLING, packet.getTransportType());
    Assert.assertEquals(origin, packet.getOrigin());
    Assert.assertEquals("/1.2.3.4:0", packet.getRemoteAddress().toString());
    channel.finish();
  }

  @Test
  public void testChannelReadPacket() throws Exception {
    ByteBuf content = Unpooled.copiedBuffer("3:::{\"greetings\":\"Hello World!\"}", CharsetUtil.UTF_8);
    HttpRequest request =
        new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, "/socket.io/1/xhr-polling", content);
    String origin = "http://localhost:8080";
    request.headers().add(HttpHeaderNames.ORIGIN, origin);
    LastOutboundHandler lastOutboundHandler = new LastOutboundHandler();
    EmbeddedChannel channel = new EmbeddedChannel(lastOutboundHandler, xhrPollingHandler);
    channel.writeInbound(request);
    Object object = channel.readInbound();
    assertTrue(object instanceof Packet);
    Packet packet = (Packet) object;
    Assert.assertEquals(origin, packet.getOrigin());
    Assert.assertEquals("{\"greetings\":\"Hello World!\"}", packet.getData().toString(CharsetUtil.UTF_8));
    channel.finish();
  }
}