Java tutorial
/* * Copyright (c) 2015 Uber Technologies, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.uber.tchannel.handlers; import com.uber.tchannel.BaseTest; import com.uber.tchannel.codecs.MessageCodec; import com.uber.tchannel.codecs.TFrame; import com.uber.tchannel.frames.FrameType; import io.netty.buffer.Unpooled; import io.netty.channel.embedded.EmbeddedChannel; import org.junit.Test; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; public class TestPingResponse extends BaseTest { @Test public void shouldInterceptPing() throws Exception { EmbeddedChannel channel = new EmbeddedChannel(new PingHandler()); TFrame frame = new TFrame(0, FrameType.PingRequest.byteValue(), Integer.MAX_VALUE, Unpooled.EMPTY_BUFFER); channel.writeInbound(MessageCodec.decode(frame)); TFrame newFrame = channel.readOutbound(); assertNotNull(newFrame); assertEquals(frame.size, newFrame.size); assertEquals(FrameType.PingResponse.byteValue(), newFrame.type); assertEquals(frame.id, newFrame.id); } }