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  • 接口性能測試--JMeter

    發表于:2015-04-20來源:uml.org.cn作者:不詳點擊數: 標簽:性能測試
    1.JMeter Java Sampler介紹 setupTest做些初始化的工作,每個線程只執行一次 teardownTest做些清理工作,每個線程只執行一次

      1.JMeter Java Sampler介紹

      setupTest做些初始化的工作,每個線程只執行一次

      teardownTest做些清理工作,每個線程只執行一次

      runTest具體的測試執行工作,每個并發每次循環都將執行一次

      SampleResult記錄測試結果,result.sampleStart()一個事務開始,result.sampleEnd()一個事務結束

      main方法用于調試

    01  package  com . xxx . yyy . perf;
    02
    03  import  org.apache.jmeter.config.Argument;
    04  import  org.apache.jmeter.config.Arguments;
    05  import  org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;
    06  import  org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;
    07  import  org.apache.jmeter.samplers.SampleResult;
    08  import  org.springframework.context.ApplicationContext;
    09  import  org.springframework.context.support.ClassPathXmlApplicationContext;
    10
    11  import  com.xxx.udb.client.PersonService;
    12  import  com.xxx.udb.client.result.PersonResult;
    13
    14  /**
    15  *
    16  * @author flynewton
    17  */
    18  public  class  GetPersonByLongId  extends  AbstractJavaSamplerClient  {
    19      private  static  final  ApplicationContext  ctx  =  new ClassPathXmlApplicationContext(
    20              "spring-udb.xml");
    21      private  static  PersonService  personService  =  null;
    22      private  static  final  String  loginId  =  "00000sb";
    23      private  static  final  String  siteId  =  "CN";
    24
    25
    26      @Override
    27      public  void  setupTest( JavaSamplerContext  context)  {
    28          super . setupTest( context);
    29          personService  = ( PersonService)  ctx . getBean( "personServiceClient");
    30      }
    31
    32      @Override
    33      public  void  teardownTest( JavaSamplerContext  context)  {
    34          super . teardownTest( context);
    35      }
    36
    37      public  SampleResult  runTest( JavaSamplerContext  arg0)  {
    38          SampleResult  result  =  new  SampleResult();
    39          PersonResult  personResult  =  null;
    40
    41          result . setSampleLabel( "result");
    42
    43          try  {
    44              result . sampleStart();
    45              personResult  =  personService . getPersonByLongId( siteId ,  loginId);
    46              result . sampleEnd();
    47          }  catch ( Throwable  t)  {
    48              this . getLogger (). error( "Exception:"  +  t);
    49              return  null;
    50          }
    51
    52          if ( personResult  !=  null  &&  personResult . getCode()  ==  0)  {
    53              result . setSamplerData( personResult . toString());
    54              result . setSuccessful( true);
    55          }  else  {
    56              result . setSuccessful( false);
    57          }
    58
    59          return  result;
    60      }
    61
    62      static  void  printResult( SampleResult  res)  {
    63          System . out . println( "test is success:"  +  res . isSuccessful()  +  " used:"
    64                  + ( res . getEndTime()  -  res . getStartTime())  +  "ms "  +  " result:"
    65                  +  res . getSampleLabel()  +  ":"  +  res . getSamplerData());
    66      }
    67
    68      public  static  void  main( String []  args)  {
    69          GetPersonByLongId  service  =  new  GetPersonByLongId();
    70          JavaSamplerContext  context  =  new  JavaSamplerContext( null);
    71          service . setupTest( context);
    72          SampleResult  res1  =  service . runTest( context);
    73          printResult( res1);
    74          service . teardownTest( context);
    75          System . exit( 0);
    76      }
    77
    78  }

      2.多接口性能測試

      按照上面的方法進行測試,每個需要測試的接口和場景都需要寫一個這樣的測試類,對于有些具有相似初始化,清理等工作,只有具體的那行事務代碼不一樣的情況,會有很多重復的工作。如下:可以考慮采用反射的方式來解決這個問題,尤其是業務非常類似的接口和場景。當然,反射會帶來壓力機的性能消耗,但是這個可以通過調整JMeter的JVM參數和增加JMeter實例來解決。

      1)利用反射后的結構如下:

      2)AbstractServiceClient是一個抽象基類

    package  com . xxx . yyy . perf . base;
    import  java.lang.reflect.Method;
    import  org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;
    import  org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;
    import  org.apache.jmeter.samplers.SampleResult;
    /**
    * Comment of AbstractServiceClient
    *  @author flynewton
    */
    public  abstract  class  AbstractServiceClient  extends  AbstractJavaSamplerClient {
    public  Object  invokeTest( String  testName ,  JavaSamplerContext  context ,SampleResult  sample)  {
    Method []  methods  =  this . getClass (). getMethods();
    for ( Method  m  :  methods)  {
    if ( m . getName (). equalsIgnoreCase( testName))  {
    try  {
    return  m . invoke( this ,  context , sample);
    }  catch ( Throwable  t)  {
    this . getLogger (). error( "execute method:"  +  testName  +  " falied" ,  t);
    }
    }
    }
    return  null;
    }
    }

    原文轉自:http://www.uml.org.cn/Test/201401163.asp

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