JMeter笔记14 | JMeter场景设计和设置

1 场景设计

1.1 什么是场景？

• 用来真实模拟用户操作的工作单元；
• 场景设计源自于用户真实操作。

1.2 设计原则

• JMeter场景设计通过线程组设置来完成，有些复杂场景需要配合逻辑控制器完成；
• 原则是忠于用户实际操作，组合用户的各种操作到场景中来。

2 场景设置

线程组实际是建立一个线程池，对线程池进行初始化，运行时做各种异常处理。

2.1 参数说明

2.1 基本参数

2.2 在取样器错误后要执行的动作

2.3 线程属性

2.4 调度器

3 实例说明

• 获取token接口，线程数10，时间为5秒，则每秒启动2个；
• 循环次数设置2；
• 其他默认；
• 运行脚本；

• 运行脚本后发现，有20个请求，因为线程数为10，循环了2次。
  

4 本文涉及的脚本

<?xml version="1.0" encoding="UTF-8"?>
<jmeterTestPlan version="1.2" properties="5.0" jmeter="5.3">
  <hashTree>
    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="测试计划" enabled="true">
      <stringProp name="TestPlan.comments"></stringProp>
      <boolProp name="TestPlan.functional_mode">false</boolProp>
      <boolProp name="TestPlan.tearDown_on_shutdown">true</boolProp>
      <boolProp name="TestPlan.serialize_threadgroups">false</boolProp>
      <elementProp name="TestPlan.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="用户定义的变量" enabled="true">
        <collectionProp name="Arguments.arguments">
          <elementProp name="COMMON" elementType="Argument">
            <stringProp name="Argument.name">COMMON</stringProp>
            <stringProp name="Argument.value">/zentao/api.php/v1</stringProp>
            <stringProp name="Argument.metadata">=</stringProp>
          </elementProp>
        </collectionProp>
      </elementProp>
      <stringProp name="TestPlan.user_define_classpath"></stringProp>
    </TestPlan>
    <hashTree>
      <HeaderManager guiclass="HeaderPanel" testclass="HeaderManager" testname="HTTP信息头管理器" enabled="true">
        <collectionProp name="HeaderManager.headers">
          <elementProp name="" elementType="Header">
            <stringProp name="Header.name">Content-Type</stringProp>
            <stringProp name="Header.value">application/json</stringProp>
          </elementProp>
        </collectionProp>
      </HeaderManager>
      <hashTree/>
      <ConfigTestElement guiclass="HttpDefaultsGui" testclass="ConfigTestElement" testname="HTTP请求默认值" enabled="true">
        <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="用户定义的变量" enabled="true">
          <collectionProp name="Arguments.arguments"/>
        </elementProp>
        <stringProp name="HTTPSampler.domain">127.0.0.1</stringProp>
        <stringProp name="HTTPSampler.port">80</stringProp>
        <stringProp name="HTTPSampler.protocol">http</stringProp>
        <stringProp name="HTTPSampler.contentEncoding">UTF-8</stringProp>
        <stringProp name="HTTPSampler.path"></stringProp>
        <stringProp name="HTTPSampler.concurrentPool">6</stringProp>
        <stringProp name="HTTPSampler.connect_timeout"></stringProp>
        <stringProp name="HTTPSampler.response_timeout"></stringProp>
      </ConfigTestElement>
      <hashTree/>
      <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="禅道接口" enabled="true">
        <stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
        <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="循环控制器" enabled="true">
          <boolProp name="LoopController.continue_forever">false</boolProp>
          <stringProp name="LoopController.loops">2</stringProp>
        </elementProp>
        <stringProp name="ThreadGroup.num_threads">10</stringProp>
        <stringProp name="ThreadGroup.ramp_time">5</stringProp>
        <boolProp name="ThreadGroup.scheduler">false</boolProp>
        <stringProp name="ThreadGroup.duration"></stringProp>
        <stringProp name="ThreadGroup.delay"></stringProp>
        <boolProp name="ThreadGroup.same_user_on_next_iteration">true</boolProp>
      </ThreadGroup>
      <hashTree>
        <TransactionController guiclass="TransactionControllerGui" testclass="TransactionController" testname="事务控制器" enabled="true">
          <boolProp name="TransactionController.includeTimers">false</boolProp>
          <boolProp name="TransactionController.parent">true</boolProp>
        </TransactionController>
        <hashTree>
          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="1-获取token" enabled="true">
            <boolProp name="HTTPSampler.postBodyRaw">true</boolProp>
            <elementProp name="HTTPsampler.Arguments" elementType="Arguments">
              <collectionProp name="Arguments.arguments">
                <elementProp name="" elementType="HTTPArgument">
                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
                  <stringProp name="Argument.value">{&quot;account&quot;: &quot;admin&quot;, &quot;password&quot;: &quot;123456&quot;}</stringProp>
                  <stringProp name="Argument.metadata">=</stringProp>
                </elementProp>
              </collectionProp>
            </elementProp>
            <stringProp name="HTTPSampler.domain"></stringProp>
            <stringProp name="HTTPSampler.port"></stringProp>
            <stringProp name="HTTPSampler.protocol"></stringProp>
            <stringProp name="HTTPSampler.contentEncoding">UTF-8</stringProp>
            <stringProp name="HTTPSampler.path">/${COMMON}/tokens</stringProp>
            <stringProp name="HTTPSampler.method">POST</stringProp>
            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
            <stringProp name="HTTPSampler.response_timeout"></stringProp>
          </HTTPSamplerProxy>
          <hashTree>
            <JSONPostProcessor guiclass="JSONPostProcessorGui" testclass="JSONPostProcessor" testname="JSON提取器-提取返回的token" enabled="false">
              <stringProp name="JSONPostProcessor.referenceNames">token</stringProp>
              <stringProp name="JSONPostProcessor.jsonPathExprs">$.token</stringProp>
              <stringProp name="JSONPostProcessor.match_numbers">1</stringProp>
              <stringProp name="JSONPostProcessor.defaultValues">无</stringProp>
            </JSONPostProcessor>
            <hashTree/>
            <RegexExtractor guiclass="RegexExtractorGui" testclass="RegexExtractor" testname="正则表达式提取器" enabled="true">
              <stringProp name="RegexExtractor.useHeaders">false</stringProp>
              <stringProp name="RegexExtractor.refname">token</stringProp>
              <stringProp name="RegexExtractor.regex">&quot;token&quot;:&quot;(.*?)&quot;</stringProp>
              <stringProp name="RegexExtractor.template">$1$</stringProp>
              <stringProp name="RegexExtractor.default"></stringProp>
              <stringProp name="RegexExtractor.match_number">1</stringProp>
            </RegexExtractor>
            <hashTree/>
            <ResponseAssertion guiclass="AssertionGui" testclass="ResponseAssertion" testname="响应断言-响应代码" enabled="true">
              <collectionProp name="Asserion.test_strings">
                <stringProp name="49587">201</stringProp>
              </collectionProp>
              <stringProp name="Assertion.custom_message"></stringProp>
              <stringProp name="Assertion.test_field">Assertion.response_code</stringProp>
              <boolProp name="Assertion.assume_success">false</boolProp>
              <intProp name="Assertion.test_type">2</intProp>
            </ResponseAssertion>
            <hashTree/>
          </hashTree>
        </hashTree>
        <ResultCollector guiclass="TableVisualizer" testclass="ResultCollector" testname="用表格察看结果" enabled="true">
          <boolProp name="ResultCollector.error_logging">false</boolProp>
          <objProp>
            <name>saveConfig</name>
            <value class="SampleSaveConfiguration">
              <time>true</time>
              <latency>true</latency>
              <timestamp>true</timestamp>
              <success>true</success>
              <label>true</label>
              <code>true</code>
              <message>true</message>
              <threadName>true</threadName>
              <dataType>true</dataType>
              <encoding>false</encoding>
              <assertions>true</assertions>
              <subresults>true</subresults>
              <responseData>false</responseData>
              <samplerData>false</samplerData>
              <xml>false</xml>
              <fieldNames>true</fieldNames>
              <responseHeaders>false</responseHeaders>
              <requestHeaders>false</requestHeaders>
              <responseDataOnError>false</responseDataOnError>
              <saveAssertionResultsFailureMessage>true</saveAssertionResultsFailureMessage>
              <assertionsResultsToSave>0</assertionsResultsToSave>
              <bytes>true</bytes>
              <sentBytes>true</sentBytes>
              <url>true</url>
              <threadCounts>true</threadCounts>
              <idleTime>true</idleTime>
              <connectTime>true</connectTime>
            </value>
          </objProp>
          <stringProp name="filename"></stringProp>
        </ResultCollector>
        <hashTree/>
      </hashTree>
      <ResultCollector guiclass="ViewResultsFullVisualizer" testclass="ResultCollector" testname="察看结果树" enabled="true">
        <boolProp name="ResultCollector.error_logging">false</boolProp>
        <objProp>
          <name>saveConfig</name>
          <value class="SampleSaveConfiguration">
            <time>true</time>
            <latency>true</latency>
            <timestamp>true</timestamp>
            <success>true</success>
            <label>true</label>
            <code>true</code>
            <message>true</message>
            <threadName>true</threadName>
            <dataType>true</dataType>
            <encoding>false</encoding>
            <assertions>true</assertions>
            <subresults>true</subresults>
            <responseData>false</responseData>
            <samplerData>false</samplerData>
            <xml>false</xml>
            <fieldNames>true</fieldNames>
            <responseHeaders>false</responseHeaders>
            <requestHeaders>false</requestHeaders>
            <responseDataOnError>false</responseDataOnError>
            <saveAssertionResultsFailureMessage>true</saveAssertionResultsFailureMessage>
            <assertionsResultsToSave>0</assertionsResultsToSave>
            <bytes>true</bytes>
            <sentBytes>true</sentBytes>
            <url>true</url>
            <threadCounts>true</threadCounts>
            <idleTime>true</idleTime>
            <connectTime>true</connectTime>
          </value>
        </objProp>
        <stringProp name="filename"></stringProp>
      </ResultCollector>
      <hashTree/>
    </hashTree>
  </hashTree>
</jmeterTestPlan>

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