Jmeter笔记3_Java Request

package app;

import org.apache.jmeter.config.Arguments;

import org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;

import org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;

import org.apache.jmeter.samplers.SampleResult;

public class TestLength extends AbstractJavaSamplerClient {

        private SampleResult results;

        private String testStr;

        /* (non-Javadoc)

         * @see org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient#setupTest(org.apache.jmeter.protocol.java.sampler.JavaSamplerContext)

         */

        //初始化方法，实际运行时每个线程仅执行一次，在测试方法执行之前，类似于LoadRunner的init方法

        @Override

        public void setupTest(JavaSamplerContext context) {

                  results = new SampleResult();

                  testStr=context.getParameter("testStr","");

                  if(testStr!=null && testStr.length()>0){

                           results.setSamplerData(testStr);

                  }

        }

        /* (non-Javadoc)

         * @see org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient#getDefaultParameters()

         */

        //设置传入的参数，可以设置多个，已设置的参数会显示到Jmeter的参数列表中

        @Override

        public Arguments getDefaultParameters() {

                  Arguments params = new Arguments();

                  //定义一个参数，显示到Jmeter的参数列表中，第一个参数为参数默认的现实名称，第二个参数为默认值

                  params.addArgument("testStr","abc");

                  return params;

        }

//测试执行的循环体，根据线程数和循环次数的不同可执行多次，类似于LoadRunner中的Action方法

        @Override

        public SampleResult runTest(JavaSamplerContext context) {

                  int len=0;

                  //定义一个事务，表示这是事务的起始点，类似于LoadRunner的lr.start_transaction

                results.sampleStart();

                  testStr = context.getParameter("testStr");

                  len = testStr.length();

                  //定义一个事务，表示这是事务的结束点，类似于LoadRunner的lr.end_transaction

                  results.sampleEnd();

                  results.setDataEncoding("utf-8");

                  if(len<5){

                           System.out.println(testStr);

                          results.setResponseCode("testStr."+testStr);

                           //用于设置运行结果的成功或失败，如果是false表示失败，true表示成功。

                           results.setSuccessful(false);

                  }else{

                           results.setResponseCode("testStr."+testStr);

                           results.setSuccessful(true);

                  }

                  return results;

        }

        /* (non-Javadoc)

         * @see org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient#teardownTest(org.apache.jmeter.protocol.java.sampler.JavaSamplerContext)

         */

        //结束方法，实际运行时每个线程仅执行一次，在测试方法运行结束后执行，类似于LoadRunner中的end方法

        @Override

        public void teardownTest(JavaSamplerContext context) {

                  // TODO Auto-generated method stub

                  super.teardownTest(context);

        }

}