Java Code Examples for org.apache.jmeter.control.LoopController#setContinueForever()

@Test
public void runDebugEngine() throws Exception {
    TestProvider prov = new TestProvider();

    Debugger sel = new Debugger(prov, new FrontendMock());
    AbstractThreadGroup tg = prov.getTG(0);
    sel.selectThreadGroup(tg);
    HashTree testTree = sel.getSelectedTree();

    DebuggingThreadGroup tg2 = (DebuggingThreadGroup) getFirstTG(testTree);
    LoopController samplerController = (LoopController) tg2.getSamplerController();
    samplerController.setLoops(1);
    samplerController.setContinueForever(false);

    JMeter.convertSubTree(testTree);

    DebuggerEngine engine = new DebuggerEngine(JMeterContextService.getContext());
    StepTriggerCounter hook = new StepTriggerCounter();
    engine.setStepper(hook);
    engine.configure(testTree);
    engine.runTest();
    while (engine.isActive()) {
        Thread.sleep(1000);
    }
    assertEquals(88, hook.cnt);
}
 

private LoopController getLoopController(int loops) {
    LoopController ctl = new LoopControllerTracked();
    ctl.setName("Top Loop");
    ctl.setLoops(loops);
    ctl.setContinueForever(false);
    return ctl;
}
 

private JPanel createControllerPanel() {
    loopPanel = new LoopControlPanel(false);
    LoopController looper = (LoopController) loopPanel.createTestElement();
    looper.setLoops(-1);
    looper.setContinueForever(true);
    loopPanel.configure(looper);
    return loopPanel;
}
 

private JPanel createControllerPanel() {
    loopPanel = new LoopControlPanel(false);
    LoopController looper = (LoopController) loopPanel.createTestElement();
    looper.setLoops(-1);
    looper.setContinueForever(true);
    loopPanel.configure(looper);
    return loopPanel;
}
 

@Test
public void runVariablesInControllers() throws Exception {
    TestProvider prov = new TestProvider("/com/blazemeter/jmeter/debugger/loops.jmx", "loops.jmx");

    Debugger sel = new Debugger(prov, new FrontendMock());
    AbstractThreadGroup tg = prov.getTG(0);
    sel.selectThreadGroup(tg);
    HashTree testTree = sel.getSelectedTree();

    TestSampleListener listener = new TestSampleListener();
    testTree.add(testTree.getArray()[0], listener);

    DebuggingThreadGroup tg2 = (DebuggingThreadGroup) getFirstTG(testTree);
    LoopController samplerController = (LoopController) tg2.getSamplerController();
    samplerController.setLoops(1);
    samplerController.setContinueForever(false);

    JMeter.convertSubTree(testTree);

    DebuggerEngine engine = new DebuggerEngine(JMeterContextService.getContext());
    StepTriggerCounter hook = new StepTriggerCounter();
    engine.setStepper(hook);
    engine.configure(testTree);
    engine.runTest();
    while (engine.isActive()) {
        Thread.sleep(1000);
    }
    assertEquals(12, hook.cnt);

    assertEquals(3, listener.events.size());
}
 

@Test
public void runVariablesInAssertions() throws Exception {
    TestProvider prov = new TestProvider("/com/blazemeter/jmeter/debugger/debug.jmx", "debug.jmx");

    Debugger sel = new Debugger(prov, new FrontendMock());
    AbstractThreadGroup tg = prov.getTG(0);
    sel.selectThreadGroup(tg);
    HashTree testTree = sel.getSelectedTree();

    TestSampleListener listener = new TestSampleListener();
    testTree.add(testTree.getArray()[0], listener);

    DebuggingThreadGroup tg2 = (DebuggingThreadGroup) getFirstTG(testTree);
    LoopController samplerController = (LoopController) tg2.getSamplerController();
    samplerController.setLoops(1);
    samplerController.setContinueForever(false);

    JMeter.convertSubTree(testTree);

    DebuggerEngine engine = new DebuggerEngine(JMeterContextService.getContext());
    StepTriggerCounter hook = new StepTriggerCounter();
    engine.setStepper(hook);
    engine.configure(testTree);
    engine.runTest();
    while (engine.isActive()) {
        Thread.sleep(1000);
    }
    assertEquals(4, hook.cnt);

    assertEquals(1, listener.events.size());
    SampleEvent event = listener.events.get(0);
    SampleResult result = event.getResult();
    AssertionResult[] assertionResults = result.getAssertionResults();
    assertEquals(1, assertionResults.length);

    AssertionResult assertionRes = assertionResults[0];
    assertNull(assertionRes.getFailureMessage());
}
 

@Test
public void runVariablesDebugEngine() throws Exception {
    TestProvider prov = new TestProvider("/com/blazemeter/jmeter/debugger/vars.jmx", "vars.jmx");

    Debugger sel = new Debugger(prov, new FrontendMock());
    AbstractThreadGroup tg = prov.getTG(0);
    sel.selectThreadGroup(tg);
    HashTree testTree = sel.getSelectedTree();

    TestSampleListener listener = new TestSampleListener();
    testTree.add(testTree.getArray()[0], listener);

    DebuggingThreadGroup tg2 = (DebuggingThreadGroup) getFirstTG(testTree);
    LoopController samplerController = (LoopController) tg2.getSamplerController();
    samplerController.setLoops(1);
    samplerController.setContinueForever(false);

    JMeter.convertSubTree(testTree);

    DebuggerEngine engine = new DebuggerEngine(JMeterContextService.getContext());
    StepTriggerCounter hook = new StepTriggerCounter();
    engine.setStepper(hook);
    engine.configure(testTree);
    engine.runTest();
    while (engine.isActive()) {
        Thread.sleep(1000);
    }
    assertEquals(8, hook.cnt);

    assertEquals(3, listener.events.size());
    for (SampleEvent event : listener.events) {
        SampleResult res = event.getResult();
        String label = res.getSampleLabel();
        assertTrue("Label: " + label + " must end with '123'", label.endsWith("123"));
        assertFalse("Variable ${VAR} must be changed to '123' value. label: " + label, label.contains("${VAR}"));
        assertTrue("label: '" + label + "' response: '" + res.getResponseMessage() +"'", res.isSuccessful());
    }
}
 

public DebuggingThreadGroup() {
    super();
    setDelay(0);
    setNumThreads(1);
    setRampUp(0);
    LoopController ctl = new LoopController();
    ctl.setContinueForever(true);
    ctl.setLoops(-1);
    setSamplerController(ctl);
}
 

private LoopController createLoopController(String name, int numLoops, boolean continueForever) {
  LoopController loopController = new LoopController();
  loopController.setLoops(numLoops);
  loopController.setProperty(TestElement.TEST_CLASS, LoopController.class.getName());
  loopController.initialize();
  loopController.setContinueForever(continueForever);
  loopController.setName(name);
  return loopController;
}
 

@Test
public void testResetTransactionControllerUnderSimpleController() throws Exception {
    JMeterContextService.getContext().setVariables(new JMeterVariables());


    TestSampleListener listener = new TestSampleListener();

    // top WSC
    WeightedSwitchController topWSC = new WeightedSwitchController();
    PowerTableModel topPTM = new PowerTableModel(new String[]{"name", WeightedSwitchController.WEIGHTS}, new Class[]{String.class, String.class});
    topPTM.addRow(new String[]{"simple1", "100"});
    topPTM.addRow(new String[]{"simple2", "100"});
    topWSC.setData(topPTM);

    GenericController simple1 = new GenericController();
    simple1.setName("simple1");

    GenericController simple2 = new GenericController();
    simple2.setName("simple2");

    // first child: transaction controller
    TransactionController ex1 = new TransactionController();
    ex1.setName("ex1");
    DebugSampler example1_1 = new DebugSampler();
    example1_1.setName("example1_1");
    DebugSampler example1_2 = new DebugSampler();
    example1_2.setName("example1_2");

    // second child: transaction controller
    TransactionController ex2 = new TransactionController();
    ex2.setName("ex2");
    DebugSampler example2_1 = new DebugSampler();
    example2_1.setName("example2_1");
    DebugSampler example2_2 = new DebugSampler();
    example2_2.setName("example2_2");

    // main loop
    LoopController loop = new LoopController();
    loop.setLoops(4);
    loop.setContinueForever(false);

    // test tree
    ListedHashTree hashTree = new ListedHashTree();
    hashTree.add(loop);
    hashTree.add(loop, topWSC);
    hashTree.add(topWSC, listener);
    hashTree.add(topWSC, simple1);
    hashTree.add(simple1, ex1);
    hashTree.add(ex1, example1_1);
    hashTree.add(ex1, example1_2);
    hashTree.add(ex1, listener);
    hashTree.add(topWSC, simple2);
    hashTree.add(simple2, ex2);
    hashTree.add(ex2, example2_1);
    hashTree.add(ex2, example2_2);
    hashTree.add(ex2, listener);

    TestCompiler compiler = new TestCompiler(hashTree);
    hashTree.traverse(compiler);

    ThreadGroup threadGroup = new ThreadGroup();
    threadGroup.setNumThreads(1);

    ListenerNotifier notifier = new ListenerNotifier();

    JMeterThread thread = new JMeterThread(hashTree, threadGroup, notifier);
    thread.setThreadGroup(threadGroup);
    thread.setOnErrorStopThread(true);
    thread.run();

    Map<String, Integer> totalResults = new HashMap<>();
    for (SampleEvent event : listener.events) {
        String label = event.getResult().getSampleLabel();
        if (totalResults.containsKey(label)) {
            totalResults.put(label, totalResults.get(label) + 1);
        } else {
            totalResults.put(label, 1);
        }
    }

    assertEquals(12, listener.events.size());
    assertEquals(2, (int) totalResults.get("example1_1"));
    assertEquals(2, (int) totalResults.get("example1_2"));
    assertEquals(2, (int) totalResults.get("example2_1"));
    assertEquals(2, (int) totalResults.get("example2_2"));
    assertEquals(2, (int) totalResults.get("ex1")); // transaction result
    assertEquals(2, (int) totalResults.get("ex2")); // transaction result
}
 

@Test
public void testNestedTransactionControllers() throws Exception {
    JMeterContextService.getContext().setVariables(new JMeterVariables());


    TestSampleListener listener = new TestSampleListener();

    // top WSC
    WeightedSwitchController topWSC = new WeightedSwitchController();
    PowerTableModel topPTM = new PowerTableModel(new String[]{"name", WeightedSwitchController.WEIGHTS}, new Class[]{String.class, String.class});
    topPTM.addRow(new String[]{"ex1", "10"});
    topPTM.addRow(new String[]{"ex2", "20"});
    topWSC.setData(topPTM);


    // first child: transaction controller
    TransactionController ex1 = new TransactionController();
    ex1.setName("ex1");
    DebugSampler example1_1 = new DebugSampler();
    example1_1.setName("example1_1");
    DebugSampler example1_2 = new DebugSampler();
    example1_2.setName("example1_2");

    // second child: transaction controller
    TransactionController ex2 = new TransactionController();
    ex2.setName("ex2");
    DebugSampler example2_1 = new DebugSampler();
    example2_1.setName("example2_1");
    DebugSampler example2_2 = new DebugSampler();
    example2_2.setName("example2_2");

    // main loop
    LoopController loop = new LoopController();
    loop.setLoops(3);
    loop.setContinueForever(false);

    // test tree
    ListedHashTree hashTree = new ListedHashTree();
    hashTree.add(loop);
    hashTree.add(loop, topWSC);
    hashTree.add(topWSC, listener);
    hashTree.add(topWSC, ex1);
    hashTree.add(ex1, example1_1);
    hashTree.add(ex1, example1_2);
    hashTree.add(ex1, listener);
    hashTree.add(topWSC, ex2);
    hashTree.add(ex2, example2_1);
    hashTree.add(ex2, example2_2);
    hashTree.add(ex2, listener);

    TestCompiler compiler = new TestCompiler(hashTree);
    hashTree.traverse(compiler);

    ThreadGroup threadGroup = new ThreadGroup();
    threadGroup.setNumThreads(1);

    ListenerNotifier notifier = new ListenerNotifier();

    JMeterThread thread = new JMeterThread(hashTree, threadGroup, notifier);
    thread.setThreadGroup(threadGroup);
    thread.setOnErrorStopThread(true);
    thread.run();

    Map<String, Integer> totalResults = new HashMap<>();
    for (SampleEvent event : listener.events) {
        String label = event.getResult().getSampleLabel();
        if (totalResults.containsKey(label)) {
            totalResults.put(label, totalResults.get(label) + 1);
        } else {
            totalResults.put(label, 1);
        }
    }

    assertEquals(9, listener.events.size());
    assertEquals(1, (int) totalResults.get("example1_1"));
    assertEquals(1, (int) totalResults.get("example1_2"));
    assertEquals(2, (int) totalResults.get("example2_1"));
    assertEquals(2, (int) totalResults.get("example2_2"));
    assertEquals(1, (int) totalResults.get("ex1")); // transaction result
    assertEquals(2, (int) totalResults.get("ex2")); // transaction result
}
 

@Test
public void testNestedSimpleControllers() throws Exception {
    JMeterContextService.getContext().setVariables(new JMeterVariables());


    TestSampleListener listener = new TestSampleListener();

    // top WSC
    WeightedSwitchController topWSC = new WeightedSwitchController();
    PowerTableModel topPTM = new PowerTableModel(new String[]{"name", WeightedSwitchController.WEIGHTS}, new Class[]{String.class, String.class});
    topPTM.addRow(new String[]{"ex1", "10"});
    topPTM.addRow(new String[]{"ex2", "20"});
    topWSC.setData(topPTM);


    // first child: simple controller
    GenericController ex1 = new GenericController();
    ex1.setName("ex1");
    DebugSampler example1_1 = new DebugSampler();
    example1_1.setName("example1_1");
    DebugSampler example1_2 = new DebugSampler();
    example1_2.setName("example1_2");

    // second child: simple controller
    GenericController ex2 = new GenericController();
    ex2.setName("ex2");
    DebugSampler example2_1 = new DebugSampler();
    example2_1.setName("example2_1");
    DebugSampler example2_2 = new DebugSampler();
    example2_2.setName("example2_2");

    // main loop
    LoopController loop = new LoopController();
    loop.setLoops(60);
    loop.setContinueForever(false);

    // test tree
    ListedHashTree hashTree = new ListedHashTree();
    hashTree.add(loop);
    hashTree.add(loop, topWSC);
    hashTree.add(topWSC, listener);
    hashTree.add(topWSC, ex1);
    hashTree.add(ex1, example1_1);
    hashTree.add(ex1, example1_2);
    hashTree.add(ex1, listener);
    hashTree.add(topWSC, ex2);
    hashTree.add(ex2, example2_1);
    hashTree.add(ex2, example2_2);
    hashTree.add(ex2, listener);

    TestCompiler compiler = new TestCompiler(hashTree);
    hashTree.traverse(compiler);

    ThreadGroup threadGroup = new ThreadGroup();
    threadGroup.setNumThreads(1);

    ListenerNotifier notifier = new ListenerNotifier();

    JMeterThread thread = new JMeterThread(hashTree, threadGroup, notifier);
    thread.setThreadGroup(threadGroup);
    thread.setOnErrorStopThread(true);
    thread.run();

    Map<String, Integer> totalResults = new HashMap<>();
    for (SampleEvent event : listener.events) {
        String label = event.getResult().getSampleLabel();
        if (totalResults.containsKey(label)) {
            totalResults.put(label, totalResults.get(label) + 1);
        } else {
            totalResults.put(label, 1);
        }
    }

    assertEquals(120, listener.events.size());
    assertEquals(20, (int) totalResults.get("example1_1"));
    assertEquals(20, (int) totalResults.get("example1_2"));
    assertEquals(40, (int) totalResults.get("example2_1"));
    assertEquals(40, (int) totalResults.get("example2_2"));
}
 

@Test
public void testNestedWSC() throws Exception {
    JMeterContextService.getContext().setVariables(new JMeterVariables());


    TestSampleListener listener = new TestSampleListener();

    // top WSC
    WeightedSwitchController topWSC = new WeightedSwitchController();
    PowerTableModel topPTM = new PowerTableModel(new String[]{"name", WeightedSwitchController.WEIGHTS}, new Class[]{String.class, String.class});
    topPTM.addRow(new String[]{"wsc1", "2"});
    topPTM.addRow(new String[]{"wsc2", "2"});
    topPTM.addRow(new String[]{"D_#1", "1"});
    topPTM.addRow(new String[]{"D_#2", "1"});
    topWSC.setData(topPTM);

    DebugSampler d1 = new DebugSampler();
    d1.setName("D_#1");
    DebugSampler d2 = new DebugSampler();
    d2.setName("D_#2");

    // first child WSC of top WSC
    WeightedSwitchController childWSC1 = new WeightedSwitchController();
    childWSC1.setName("wsc1");
    PowerTableModel childPTM1 = new PowerTableModel(new String[]{"name", WeightedSwitchController.WEIGHTS}, new Class[]{String.class, String.class});
    childPTM1.addRow(new String[]{"D1_#1", "1"});
    childPTM1.addRow(new String[]{"D1_#2", "1"});
    childWSC1.setData(childPTM1);

    DebugSampler d1_1 = new DebugSampler();
    d1_1.setName("D1_#1");
    DebugSampler d1_2 = new DebugSampler();
    d1_2.setName("D1_#2");

    // second child WSC of top WSC
    WeightedSwitchController childWSC2 = new WeightedSwitchController();
    childWSC2.setName("wsc2");
    PowerTableModel childPTM2 = new PowerTableModel(new String[]{"name", WeightedSwitchController.WEIGHTS}, new Class[]{String.class, String.class});
    childPTM2.addRow(new String[]{"D2_#1", "1"});
    childPTM2.addRow(new String[]{"D2_#2", "1"});
    childWSC2.setData(childPTM2);

    DebugSampler d2_1 = new DebugSampler();
    d2_1.setName("D2_#1");
    DebugSampler d2_2 = new DebugSampler();
    d2_2.setName("D2_#2");

    // main loop
    LoopController loop = new LoopController();
    loop.setLoops(6);
    loop.setContinueForever(false);

    // test tree
    ListedHashTree hashTree = new ListedHashTree();
    hashTree.add(loop);
    hashTree.add(loop, topWSC);
    hashTree.add(topWSC, listener);
    hashTree.add(topWSC, childWSC1);
    hashTree.add(childWSC1, d1_1);
    hashTree.add(childWSC1, d1_2);
    hashTree.add(childWSC1, listener);
    hashTree.add(topWSC, childWSC2);
    hashTree.add(childWSC2, d2_1);
    hashTree.add(childWSC2, d2_2);
    hashTree.add(childWSC2, listener);
    hashTree.add(topWSC, d1);
    hashTree.add(topWSC, d2);

    TestCompiler compiler = new TestCompiler(hashTree);
    hashTree.traverse(compiler);

    ThreadGroup threadGroup = new ThreadGroup();
    threadGroup.setNumThreads(1);

    ListenerNotifier notifier = new ListenerNotifier();

    JMeterThread thread = new JMeterThread(hashTree, threadGroup, notifier);
    thread.setThreadGroup(threadGroup);
    thread.setOnErrorStopThread(true);
    thread.run();

    assertEquals(6, listener.events.size());
    List<String> labels = new ArrayList<>();
    labels.add("D_#1");
    labels.add("D_#2");
    labels.add("D1_#1");
    labels.add("D1_#2");
    labels.add("D2_#1");
    labels.add("D2_#2");
    for (SampleEvent event : listener.events) {
        assertTrue(labels.contains(event.getResult().getSampleLabel()));
    }
}
 

@Test(timeout=3000)
public void testInfinityStopTest() {
    JMeterContextService.getContext().setVariables(new JMeterVariables());
    TestSampleListener listener = new TestSampleListener();

    TestAction action = new TestAction();
    action.setAction(0);
    action.setTarget(2);

    WhileController whileController = new WhileController();

    ParallelSampler sampler = new ParallelSampler();
    sampler.setGenerateParent(true);
    LoopController loop = new LoopController();
    loop.setLoops(1);
    loop.setContinueForever(false);

    // test tree
    ListedHashTree hashTree = new ListedHashTree();
    hashTree.add(loop);
    hashTree.add(loop, sampler);
    hashTree.add(sampler, listener);
    hashTree.add(sampler, whileController);
    hashTree.add(whileController, action);
    hashTree.add(whileController, listener);

    TestCompiler compiler = new TestCompiler(hashTree);
    hashTree.traverse(compiler);

    ThreadGroup threadGroup = new ThreadGroup();
    threadGroup.setNumThreads(1);

    ListenerNotifier notifier = new ListenerNotifier();

    JMeterThread thread = new JMeterThread(hashTree, threadGroup, notifier);
    thread.setThreadGroup(threadGroup);
    thread.setOnErrorStopThread(true);
    thread.setEngine(new StandardJMeterEngine());
    thread.run();

    assertEquals(1, listener.events.size());
}
 

@Test(timeout=3000)
public void testStartNextIteration() {
    JMeterContextService.getContext().setVariables(new JMeterVariables());
    TestSampleListener listener = new TestSampleListener();

    TestAction action = new TestAction();
    action.setAction(3);

    DebugSampler samplerBefore = new DebugSampler();
    samplerBefore.setName("samplerBefore");

    DebugSampler samplerAfter = new DebugSampler();
    samplerAfter.setName("samplerAfter");

    WhileController whileController = new WhileController();

    ParallelSampler sampler = new ParallelSampler();
    sampler.setGenerateParent(true);
    LoopController loop = new LoopController();
    loop.setLoops(2);
    loop.setContinueForever(false);

    // parallel subtree
    ListedHashTree parallelTree = new ListedHashTree();
    parallelTree.add(samplerBefore);
    parallelTree.add(action);

    // while subtree
    ListedHashTree whileTree = new ListedHashTree();
    whileTree.add(whileController, parallelTree);

    // parallel Sampler subtree
    ListedHashTree parallelSamplerTree = new ListedHashTree();
    parallelSamplerTree.add(sampler, whileTree);

    // TG sub tree
    ThreadGroup threadGroup = new ThreadGroup();
    threadGroup.setNumThreads(1);
    threadGroup.setSamplerController(loop);

    ListedHashTree loopTree = new ListedHashTree();
    loopTree.add(threadGroup, parallelSamplerTree);
    loopTree.add(threadGroup, samplerAfter);
    loopTree.add(threadGroup, listener);

    TestCompiler compiler = new TestCompiler(loopTree);
    loopTree.traverse(compiler);

    ListenerNotifier notifier = new ListenerNotifier();

    JMeterThread thread = new JMeterThread(loopTree, threadGroup, notifier);
    thread.setThreadGroup(threadGroup);
    thread.setEngine(new StandardJMeterEngine());
    thread.setOnErrorStopThread(true);
    thread.run();

    assertEquals(2, listener.events.size());
}
 

private Object[] createTestPlan() {
    JMeterContextService.getContext().setVariables(new JMeterVariables());

    TestSampleListener listener = new TestSampleListener();

    DebugSampler sampler = new DebugSampler();
    sampler.setName("Sampler");

    ConstantTimer timer = new ConstantTimer();
    timer.setDelay("2000");
    timer.setName("timer");

    LoopController loopController = new LoopController();
    loopController.setContinueForever(true);
    loopController.setLoops(-1);
    loopController.setName("loop c");

    ConcurrencyThreadGroupExt ctg = new ConcurrencyThreadGroupExt();
    ctg.setName("CTG");
    ctg.setRampUp("5");
    ctg.setTargetLevel("3");
    ctg.setSteps("1");
    ctg.setHold("10"); // TODO: increase this value for debugging
    ctg.setIterationsLimit("");
    ctg.setUnit("S");


    ListedHashTree loopTree = new ListedHashTree();
    loopTree.add(loopController, timer);
    loopTree.add(loopController, sampler);
    loopTree.add(loopController, listener);

    ListedHashTree hashTree = new ListedHashTree();
    hashTree.add(ctg, loopTree);
    TestCompiler compiler = new TestCompiler(hashTree);
    // this hashTree can be save to *jmx
    hashTree.traverse(compiler);

    return new Object[] {
            hashTree,
            ctg
    };
}
 

public static void main(String[] args) throws Exception {
    JMeterUtils.setJMeterHome("src/test/resources/");
    JMeterUtils.loadJMeterProperties("src/test/resources/jmeter.properties");
    JMeterUtils.setProperty("saveservice_properties", "saveservice.properties");
    JMeterUtils.setProperty("search_paths", "ApacheJMeter_functions-2.9.jar");
    JMeterUtils.setLocale(Locale.JAPAN);
    
    JMeterEngine engine = new StandardJMeterEngine();
    HashTree config = new ListedHashTree();
    TestPlan testPlan = new TestPlan("websocket test");
    testPlan.setFunctionalMode(false);
    testPlan.setSerialized(false);
    testPlan.setProperty(new BooleanProperty(TestElement.ENABLED, true));
    testPlan.setUserDefinedVariables(new Arguments());

    ThreadGroup threadGroup = new ThreadGroup();
    threadGroup.setNumThreads(300);
    threadGroup.setRampUp(20);
    threadGroup.setDelay(0);
    threadGroup.setDuration(0);
    threadGroup.setProperty(new StringProperty(ThreadGroup.ON_SAMPLE_ERROR, "continue"));
    threadGroup.setScheduler(false);
    threadGroup.setName("Group1");
    threadGroup.setProperty(new BooleanProperty(TestElement.ENABLED, true));

    LoopController controller = new LoopController();
    controller.setLoops(10);
    controller.setContinueForever(false);
    controller.setProperty(new BooleanProperty(TestElement.ENABLED, true));
    threadGroup.setProperty(new TestElementProperty(ThreadGroup.MAIN_CONTROLLER, controller));

    CSVDataSet csvDataSet = new CSVDataSet();
    csvDataSet.setProperty(new StringProperty("filename", "src/test/resources/users.csv"));
    csvDataSet.setProperty(new StringProperty("variableNames", "USER_NAME"));
    csvDataSet.setProperty(new StringProperty("delimiter", ","));
    csvDataSet.setProperty(new StringProperty("shareMode", "shareMode.all"));
    csvDataSet.setProperty("quoted", false);
    csvDataSet.setProperty("recycle", true);
    csvDataSet.setProperty("stopThread", false);

    WebSocketSampler sampler = new WebSocketSampler();
    sampler.setName("WebSocket Test");
    sampler.setProperty(new BooleanProperty(TestElement.ENABLED, true));
    sampler.addNonEncodedArgument("name", "${USER_NAME}", "=");
    sampler.setContentEncoding("UTF-8");
    sampler.setProtocol("ws");
    sampler.setDomain("localhost");
    sampler.setPort(9090);
    sampler.setPath("/", "UTF-8");
    sampler.setSendMessage("${__RandomString(50,ABCDEFGHIJKLMNOPQRSTUVWXYZ)}");
    sampler.setRecvMessage("\"name\":\"${USER_NAME}\"");

    OnceOnlyController onceOnlyController = new OnceOnlyController();

    Summariser summariser = new Summariser();

    HashTree tpConfig = config.add(testPlan);
    HashTree tgConfig = tpConfig.add(threadGroup);
    HashTree oocConfig = tgConfig.add(onceOnlyController);
    oocConfig.add(csvDataSet);

    UniformRandomTimer randomTimer = new UniformRandomTimer();
    randomTimer.setRange(3000);
    HashTree samplerConfig = tgConfig.add(sampler);
    samplerConfig.add(summariser);
    tgConfig.add(randomTimer);

    engine.configure(config);
    engine.runTest();
}