如何从Java程序创建和运行Apache JMeter测试脚本?

问题描述 投票:29回答:4

我想使用Apache JMeter提供的API从Java程序创建和运行测试脚本。我已经了解了ThreadGroup和Samplers的基础知识。我可以使用JMeter API在我的Java类中创建它们。

ThreadGroup threadGroup = new ThreadGroup();
    LoopController lc = new LoopController();
    lc.setLoops(5);
    lc.setContinueForever(true);
    threadGroup.setSamplerController(lc);
    threadGroup.setNumThreads(5);
    threadGroup.setRampUp(1);

HTTPSampler sampler = new HTTPSampler();
    sampler.setDomain("localhost");
    sampler.setPort(8080);
    sampler.setPath("/jpetstore/shop/viewCategory.shtml");
    sampler.setMethod("GET");

    Arguments arg = new Arguments();
    arg.addArgument("categoryId", "FISH");

    sampler.setArguments(arg);

但是,我不知道如何创建一个组合线程组和采样器的测试脚本,然后从同一个程序执行它。有任何想法吗?

java api automated-tests jmeter
4个回答
53
投票

如果我理解正确,您希望以编程方式从Java程序中运行整个测试计划。就个人而言,我发现创建测试计划.JMX文件并在JMeter非GUI模式下运行更容易:)

这是一个简单的Java示例,它基于原始问题中使用的控制器和采样器。

import org.apache.jmeter.control.LoopController;
import org.apache.jmeter.engine.StandardJMeterEngine;
import org.apache.jmeter.protocol.http.sampler.HTTPSampler;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.TestPlan;
import org.apache.jmeter.threads.SetupThreadGroup;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.collections.HashTree;

public class JMeterTestFromCode {

    public static void main(String[] args){
        // Engine
        StandardJMeterEngine jm = new StandardJMeterEngine();
        // jmeter.properties
        JMeterUtils.loadJMeterProperties("c:/tmp/jmeter.properties");

        HashTree hashTree = new HashTree();     

        // HTTP Sampler
        HTTPSampler httpSampler = new HTTPSampler();
        httpSampler.setDomain("www.google.com");
        httpSampler.setPort(80);
        httpSampler.setPath("/");
        httpSampler.setMethod("GET");

        // Loop Controller
        TestElement loopCtrl = new LoopController();
        ((LoopController)loopCtrl).setLoops(1);
        ((LoopController)loopCtrl).addTestElement(httpSampler);
        ((LoopController)loopCtrl).setFirst(true);

        // Thread Group
        SetupThreadGroup threadGroup = new SetupThreadGroup();
        threadGroup.setNumThreads(1);
        threadGroup.setRampUp(1);
        threadGroup.setSamplerController((LoopController)loopCtrl);

        // Test plan
        TestPlan testPlan = new TestPlan("MY TEST PLAN");

        hashTree.add("testPlan", testPlan);
        hashTree.add("loopCtrl", loopCtrl);
        hashTree.add("threadGroup", threadGroup);
        hashTree.add("httpSampler", httpSampler);       

        jm.configure(hashTree);

        jm.run();
    }
}

依赖

这些是基于JMeter 2.9和使用的HTTPSampler所需的最小JAR。其他采样器很可能具有不同的库JAR依赖性。

  • ApacheJMeter_core.jar
  • Jorphnkjar
  • 阿瓦隆框架-4.1.4.jar
  • ApacheJMeter_http.jar
  • 共享记录-1.1.1.jar
  • logkit-2.0.jar
  • I-208yara
  • 公地IO-2.2.jar
  • 公地lang3-3.1.jar

注意

  • 在首次从JMeter安装/ bin目录复制之后,我还在Windows上的c:\ tmp中修改了jmeter.properties的路径。
  • 我不确定如何为HTTPSampler设置转发代理。

10
投票
package jMeter;

import java.io.File;
import java.io.FileOutputStream;

import org.apache.jmeter.config.Arguments;
import org.apache.jmeter.config.gui.ArgumentsPanel;
import org.apache.jmeter.control.LoopController;
import org.apache.jmeter.control.gui.LoopControlPanel;
import org.apache.jmeter.control.gui.TestPlanGui;
import org.apache.jmeter.engine.StandardJMeterEngine;
import org.apache.jmeter.protocol.http.control.gui.HttpTestSampleGui;
import org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy;
import org.apache.jmeter.reporters.ResultCollector;
import org.apache.jmeter.reporters.Summariser;
import org.apache.jmeter.save.SaveService;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.TestPlan;
import org.apache.jmeter.threads.ThreadGroup;
import org.apache.jmeter.threads.gui.ThreadGroupGui;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.collections.HashTree;

public class JMeterFromScratch {

        public static void main(String[] argv) throws Exception {

            String jmeterHome1 = "/home/ksahu/apache-jmeter-2.13";
            File jmeterHome=new File(jmeterHome1);
//          JMeterUtils.setJMeterHome(jmeterHome);
            String slash = System.getProperty("file.separator");

            if (jmeterHome.exists()) {
                File jmeterProperties = new File(jmeterHome.getPath() + slash + "bin" + slash + "jmeter.properties");
                if (jmeterProperties.exists()) {
                    //JMeter Engine
                    StandardJMeterEngine jmeter = new StandardJMeterEngine();

                    //JMeter initialization (properties, log levels, locale, etc)
                    JMeterUtils.setJMeterHome(jmeterHome.getPath());
                    JMeterUtils.loadJMeterProperties(jmeterProperties.getPath());
                    JMeterUtils.initLogging();// you can comment this line out to see extra log messages of i.e. DEBUG level
                    JMeterUtils.initLocale();

                    // JMeter Test Plan, basically JOrphan HashTree
                    HashTree testPlanTree = new HashTree();

                    // First HTTP Sampler - open example.com
                    HTTPSamplerProxy examplecomSampler = new HTTPSamplerProxy();
                    examplecomSampler.setDomain("www.google.com");
                    examplecomSampler.setPort(80);
                    examplecomSampler.setPath("/");
                    examplecomSampler.setMethod("GET");
                    examplecomSampler.setName("Open example.com");
                    examplecomSampler.setProperty(TestElement.TEST_CLASS, HTTPSamplerProxy.class.getName());
                    examplecomSampler.setProperty(TestElement.GUI_CLASS, HttpTestSampleGui.class.getName());


                    // Second HTTP Sampler - open blazemeter.com
                    HTTPSamplerProxy blazemetercomSampler = new HTTPSamplerProxy();
                    blazemetercomSampler.setDomain("www.tripodtech.net");
                    blazemetercomSampler.setPort(80);
                    blazemetercomSampler.setPath("/");
                    blazemetercomSampler.setMethod("GET");
                    blazemetercomSampler.setName("Open blazemeter.com");
                    blazemetercomSampler.setProperty(TestElement.TEST_CLASS, HTTPSamplerProxy.class.getName());
                    blazemetercomSampler.setProperty(TestElement.GUI_CLASS, HttpTestSampleGui.class.getName());


                    // Loop Controller
                    LoopController loopController = new LoopController();
                    loopController.setLoops(1);
                    loopController.setFirst(true);
                    loopController.setProperty(TestElement.TEST_CLASS, LoopController.class.getName());
                    loopController.setProperty(TestElement.GUI_CLASS, LoopControlPanel.class.getName());
                    loopController.initialize();

                    // Thread Group
                    ThreadGroup threadGroup = new ThreadGroup();
                    threadGroup.setName("Example Thread Group");
                    threadGroup.setNumThreads(1);
                    threadGroup.setRampUp(1);
                    threadGroup.setSamplerController(loopController);
                    threadGroup.setProperty(TestElement.TEST_CLASS, ThreadGroup.class.getName());
                    threadGroup.setProperty(TestElement.GUI_CLASS, ThreadGroupGui.class.getName());

                    // Test Plan
                    TestPlan testPlan = new TestPlan("Create JMeter Script From Java Code");
                    testPlan.setProperty(TestElement.TEST_CLASS, TestPlan.class.getName());
                    testPlan.setProperty(TestElement.GUI_CLASS, TestPlanGui.class.getName());
                    testPlan.setUserDefinedVariables((Arguments) new ArgumentsPanel().createTestElement());

                    // Construct Test Plan from previously initialized elements
                    testPlanTree.add(testPlan);
                    HashTree threadGroupHashTree = testPlanTree.add(testPlan, threadGroup);
                    threadGroupHashTree.add(blazemetercomSampler);
                    threadGroupHashTree.add(examplecomSampler);

                    // save generated test plan to JMeter's .jmx file format
                    SaveService.saveTree(testPlanTree, new FileOutputStream(jmeterHome + slash + "example.jmx"));

                    //add Summarizer output to get test progress in stdout like:
                    // summary =      2 in   1.3s =    1.5/s Avg:   631 Min:   290 Max:   973 Err:     0 (0.00%)
                    Summariser summer = null;
                    String summariserName = JMeterUtils.getPropDefault("summariser.name", "summary");
                    if (summariserName.length() > 0) {
                        summer = new Summariser(summariserName);
                    }


                    // Store execution results into a .jtl file
                    String logFile = jmeterHome + slash + "example.jtl";
                    ResultCollector logger = new ResultCollector(summer);
                    logger.setFilename(logFile);
                    testPlanTree.add(testPlanTree.getArray()[0], logger);

                    // Run Test Plan
                    jmeter.configure(testPlanTree);
                    jmeter.run();

                    System.out.println("Test completed. See " + jmeterHome + slash + "example.jtl file for results");
                    System.out.println("JMeter .jmx script is available at " + jmeterHome + slash + "example.jmx");
                    System.exit(0);

                }
            }

            System.err.println("jmeter.home property is not set or pointing to incorrect location");
            System.exit(1);


        }
    }

5
投票

我使用JMeter Java Api和Maven依赖项创建了一个简单的概念验证项目:qazxsw poi

您可以生成JMeter项目jmx文件并从命令行执行它或直接从Java代码执行它。

由于jmx文件需要为每个TestElement存在'guiclass'属性,所以有点棘手。要执行jmx,添加https://github.com/piotrbo/jmeterpoc就足够了(即使值不正确)。要在JMeter GUI中打开,需要为每个guiclass输入正确的值。

更令人讨厌的问题是基于条件的流量控制器。 JMeter API不会为您提供更多GUI。你仍然需要通过guiclass,例如在condition作为常规IfController。该字符串应包含javascript。所以你有基于Java的项目与javascript,例如语法错误,在执行性能测试之前你不会知道它:-(

可能更好的替代方案来保持代码和IDE的支持而不是JMeter GUI是学习Scala并使用String


0
投票

在非GUI模式下运行要快得多。制作了一个在后端模式下使用Jmeter然后解析XML文件以显示测试结果的项目。看看这个repo-http://gatling.io/

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