Question

我在设置JMeter测试计划时以编程方式向HTTPSampler添加自定义标头。

请参阅以下代码段：

HeaderManager headerManager = new HeaderManager();
headerManager.add(new Header("Foo", "Joe"));
sampler.setHeaderManager(headerManager);`

此处的问题是此自定义标头未发送到服务器。

这里有什么我想念的吗？

Answer 1

它不会以这种方式工作，您需要修改代码以将HeaderManager HashTree添加到HTTPSamplerProxy HashTree。之后，您需要将此HTTPSamplerProxy添加到线程组，例如：

HashTree httpRequestTree = new HashTree();
httpRequestTree.add(httpRequest, manager);

testPlanTree.add(testPlan);
HashTree threadGroupHashTree = testPlanTree.add(testPlan, threadGroup);
threadGroupHashTree.add(httpRequestTree);

完整代码，以防万一：

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

// Create Header Manager
HeaderManager manager = new HeaderManager();
manager.add(new Header("Foo", "Joe"));
manager.setName(JMeterUtils.getResString("header_manager_title")); // $NON-NLS-1$
manager.setProperty(TestElement.TEST_CLASS, HeaderManager.class.getName());
manager.setProperty(TestElement.GUI_CLASS, HeaderPanel.class.getName());

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

// HTTP Request Sampler and Header Manager
HashTree httpRequestTree = new HashTree();
httpRequestTree.add(httpRequest, manager);

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

查看Five Ways To Launch a JMeter Test without Using the JMeter GUI以获取有关以编程方式构建JMeter测试计划的更多信息。

Answer 2

您可以选中jmeter-java-dsl，该代码可以执行相同的操作，但是代码更少。

例如，您可以添加以下Maven依赖项：

<dependency>
  <groupId>us.abstracta.jmeter</groupId>
  <projectId>jmeter-java-dsl</projectId>
  <version>0.1</version>
</dependency>

并定义一个这样的测试：

import static org.assertj.core.api.Assertions.assertThat;
import static us.abstracta.jmeter.javadsl.JmeterDsl.*;

import java.time.Duration;
import org.eclipse.jetty.http.MimeTypes.Type;
import org.junit.jupiter.api.Test;
import us.abstracta.jmeter.javadsl.TestPlanStats;

public class PerformanceTest {

  @Test
  public void testPerformance() throws IOException {
    TestPlanStats stats = testPlan(
      threadGroup(2, 10,
        httpSampler("http://my.service")
          .post("{\"name\": \"test\"}", Type.APPLICATION_JSON)
      ),
      //this is just to log details of each request stats
      jtlWriter("test.jtl")
    ).run();
    assertThat(stats.overall().elapsedTimePercentile99()).isLessThan(Duration.ofSeconds(5));
  }
  
}

您将获得一个运行中的嵌入式JMeter测试，该测试具有对结果的简单断言以及每个请求结果的记录。

JMeter - 在HTTPSampler中以编程方式添加自定义HTTP标头

2 个答案: