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implements fail fast when sending request fail #13
Signed-off-by: olivier lamy <[email protected]>
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162
jetty-load-generator-client/src/test/java/org/mortbay/jetty/load/generator/FailFastTest.java
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| @@ -0,0 +1,162 @@ | ||
| // | ||
| // ======================================================================== | ||
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. | ||
| // ------------------------------------------------------------------------ | ||
| // All rights reserved. This program and the accompanying materials | ||
| // are made available under the terms of the Eclipse Public License v1.0 | ||
| // and Apache License v2.0 which accompanies this distribution. | ||
| // | ||
| // The Eclipse Public License is available at | ||
| // http://www.eclipse.org/legal/epl-v10.html | ||
| // | ||
| // The Apache License v2.0 is available at | ||
| // http://www.opensource.org/licenses/apache2.0.php | ||
| // | ||
| // You may elect to redistribute this code under either of these licenses. | ||
| // ======================================================================== | ||
| // | ||
|
|
||
| package org.mortbay.jetty.load.generator; | ||
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|
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| import org.eclipse.jetty.client.api.Request; | ||
| import org.eclipse.jetty.server.HttpConfiguration; | ||
| import org.eclipse.jetty.server.HttpConnectionFactory; | ||
| import org.eclipse.jetty.server.Server; | ||
| import org.eclipse.jetty.server.ServerConnector; | ||
| import org.eclipse.jetty.server.handler.StatisticsHandler; | ||
| import org.eclipse.jetty.server.session.SessionHandler; | ||
| import org.eclipse.jetty.servlet.ServletContextHandler; | ||
| import org.eclipse.jetty.servlet.ServletHolder; | ||
| import org.eclipse.jetty.servlet.StatisticsServlet; | ||
| import org.eclipse.jetty.util.log.Log; | ||
| import org.eclipse.jetty.util.log.Logger; | ||
| import org.eclipse.jetty.util.thread.QueuedThreadPool; | ||
| import org.junit.After; | ||
| import org.junit.Assert; | ||
| import org.junit.Before; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
|
|
||
| import javax.servlet.ServletException; | ||
| import javax.servlet.http.HttpServlet; | ||
| import javax.servlet.http.HttpServletRequest; | ||
| import javax.servlet.http.HttpServletResponse; | ||
| import java.io.IOException; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
|
|
||
| public class FailFastTest | ||
| { | ||
|
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| private static final Logger LOGGER = Log.getLogger( FailFastTest.class ); | ||
| protected Resource resource; | ||
| protected Server server; | ||
| protected ServerConnector connector; | ||
| TestHandler testHandler; | ||
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|
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| @Before | ||
| public void startJetty() | ||
| throws Exception | ||
| { | ||
| StatisticsHandler statisticsHandler = new StatisticsHandler(); | ||
| QueuedThreadPool serverThreads = new QueuedThreadPool(); | ||
| serverThreads.setName( "server" ); | ||
| server = new Server( serverThreads ); | ||
| connector = new ServerConnector( server, new HttpConnectionFactory( new HttpConfiguration() ) ); | ||
| server.addConnector( connector ); | ||
| server.setHandler( statisticsHandler ); | ||
| ServletContextHandler statsContext = new ServletContextHandler( statisticsHandler, "/" ); | ||
| statsContext.addServlet( new ServletHolder( new StatisticsServlet() ), "/stats" ); | ||
| testHandler = new TestHandler(); | ||
| testHandler.server = server; | ||
| statsContext.addServlet( new ServletHolder( testHandler ), "/" ); | ||
| statsContext.setSessionHandler( new SessionHandler() ); | ||
| server.start(); | ||
| } | ||
|
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||
| @After | ||
| public void stopJetty() | ||
| throws Exception | ||
| { | ||
| if ( server.isRunning() ) | ||
| { | ||
| server.stop(); | ||
| } | ||
| } | ||
|
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| @Test | ||
| public void should_fail_fast() | ||
| throws Exception | ||
| { | ||
| AtomicInteger onFailure = new AtomicInteger( 0 ), onCommit = new AtomicInteger( 0 ); | ||
| LoadGenerator.Builder builder = // | ||
| new LoadGenerator.Builder() // | ||
| .host( "localhost" ) // | ||
| .port( connector.getLocalPort() ) // | ||
| .resource( new Resource( "/index.html?fail=5" ) ) // | ||
| .warmupIterationsPerThread( 1 ) // | ||
| .usersPerThread( 1 ) // | ||
| .threads( 1 ) // | ||
| .resourceRate( 5 ) | ||
| .iterationsPerThread( 25 ) // | ||
| //.runFor( 10, TimeUnit.SECONDS ) // | ||
| .requestListener( new Request.Listener.Adapter() { | ||
| @Override | ||
| public void onFailure( Request request, Throwable failure ) | ||
| { | ||
| LOGGER.info( "fail: {}", onFailure.incrementAndGet() ); | ||
| } | ||
|
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||
| @Override | ||
| public void onCommit( Request request ) | ||
| { | ||
| LOGGER.info( "onCommit: {}", onCommit.incrementAndGet() ); | ||
| } | ||
| } ); | ||
| boolean exception = false; | ||
| try | ||
| { | ||
| builder.build().begin().get(); | ||
| } | ||
| catch ( Exception e ) | ||
| { | ||
| exception = true; | ||
| } | ||
| Assert.assertTrue( exception ); | ||
| LOGGER.info( "onFailure: {}, onCommit: {}", onFailure, onCommit); | ||
| int onFailureCall = onFailure.get(); | ||
| Assert.assertTrue("onFailureCall is " + onFailureCall, onFailureCall < 5); | ||
| } | ||
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| static class TestHandler | ||
| extends HttpServlet | ||
| { | ||
|
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| AtomicInteger getNumber = new AtomicInteger( 0 ); | ||
| Server server; | ||
|
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| @Override | ||
| protected void service( HttpServletRequest request, HttpServletResponse response ) | ||
| throws ServletException, IOException | ||
| { | ||
| String fail = request.getParameter( "fail" ); | ||
| if ( getNumber.get() >= Integer.parseInt( fail ) ) | ||
| { | ||
| try | ||
| { | ||
| server.stop(); | ||
| } | ||
| catch ( Exception e ) | ||
| { | ||
| throw new RuntimeException( e.getMessage(), e ); | ||
| } | ||
| } | ||
| response.getOutputStream().write( "Jetty rocks!!".getBytes() ); | ||
| response.flushBuffer(); | ||
| getNumber.addAndGet( 1 ); | ||
| } | ||
| } | ||
|
|
||
| } |
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