JMeter测试工具.jmx文件详解

摘要：了解.jmx文件格式类型，对jmeter二次开发与拓展有很大的帮助，当然也可以利用python对其进行一些处理（生成一些测试用例，对jmx文件进行 ”增删改查“）。

一个完整用例的.jmx文件基本结构是这样，类似于xml结构（树状结构）（文章标红处 均是 可以修改的 地方（也可以说就是一个可控变量））；

python 处理xml文件的模块，bs4 , xml.dom；

下面按结构自上而下讲解各个部分再.jmx文件中的表示：

测试计划  root

<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.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>
      <stringProp name="TestPlan.user_define_classpath"></stringProp>
    </TestPlan>

变量包含： testname, enabled(true启用，false禁用)

线程组  first Child

<ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="组织架构管理_业务场景测试" 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">1</stringProp>   -- 循环一次
        </elementProp>
        <stringProp name="ThreadGroup.num_threads">1</stringProp>  -- 线程数1
        <stringProp name="ThreadGroup.ramp_time">1</stringProp>　　 -- Ramp-up Time =1，启动时间
        <longProp name="ThreadGroup.start_time">1472796674000</longProp>
        <longProp name="ThreadGroup.end_time">1472796674000</longProp>
        <boolProp name="ThreadGroup.scheduler">false</boolProp>
        <stringProp name="ThreadGroup.duration"></stringProp>
        <stringProp name="ThreadGroup.delay"></stringProp>
      </ThreadGroup>

 JDBCDataSource

<JDBCDataSource guiclass="TestBeanGUI" testclass="JDBCDataSource" testname="数据库连接信息配置" enabled="true">
          <boolProp name="autocommit">true</boolProp>
          <stringProp name="checkQuery">Select 1</stringProp>
          <stringProp name="connectionAge">5000</stringProp>　　-- 最大连接age
          <stringProp name="dataSource">mysql</stringProp>　　-- 资源池变量
          <stringProp name="dbUrl">jdbc:mysql://localhost/db</stringProp>　　--jdbc连接
          <stringProp name="driver">com.mysql.jdbc.Driver</stringProp>　　-- jdbc驱动（可以设置为常量）
          <boolProp name="keepAlive">true</boolProp>
          <stringProp name="password">root</stringProp>　　-- db密码
          <stringProp name="poolMax">10</stringProp>　　-- 最大连接数
          <stringProp name="timeout">10000</stringProp>
          <stringProp name="transactionIsolation">DEFAULT</stringProp>
          <stringProp name="trimInterval">60000</stringProp>
          <stringProp name="username">name</stringProp>　　-- 用户名
        </JDBCDataSource>

HTTP请求默认值

   <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">host</stringProp>　　-- host  服务器IP
          <stringProp name="HTTPSampler.port">port</stringProp>　　-- port端口
          <stringProp name="HTTPSampler.connect_timeout">100000</stringProp>　　-- 连接超时时间
          <stringProp name="HTTPSampler.response_timeout">100000</stringProp>　　-- 请求超时时间
          <stringProp name="HTTPSampler.protocol">http</stringProp>　　-- 协议类型（变量可填）
          <stringProp name="HTTPSampler.contentEncoding">utf-8</stringProp>
          <stringProp name="HTTPSampler.path"></stringProp>
          <stringProp name="HTTPSampler.implementation">HttpClient4</stringProp>　　-- 可选择（javaHttpCliet4）
          <stringProp name="HTTPSampler.concurrentPool">4</stringProp>
        </ConfigTestElement>

HTTP信息头管理器(http请求头设置，key-value对应)

        <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>

用户定义的变量

  <Arguments guiclass="ArgumentsPanel" testclass="Arguments" testname="用户定义的变量" enabled="true">
          <collectionProp name="Arguments.arguments">
            <elementProp name="accessToken" elementType="Argument">
              <stringProp name="Argument.name">accessToken</stringProp>
              <stringProp name="Argument.value">${accessToken}</stringProp>
              <stringProp name="Argument.metadata">=</stringProp>
              <stringProp name="Argument.desc">description</stringProp>
            </elementProp>
          </collectionProp>
  </Arguments>

仅一次控制器（循环控制器）

        <OnceOnlyController guiclass="OnceOnlyControllerGui" testclass="OnceOnlyController" testname="组织管理" enabled="true"/>

查看结果树（该部分为固定项）

         <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>false</fieldNames>
                <responseHeaders>false</responseHeaders>
                <requestHeaders>false</requestHeaders>
                <responseDataOnError>false</responseDataOnError>
                <saveAssertionResultsFailureMessage>false</saveAssertionResultsFailureMessage>
                <assertionsResultsToSave>0</assertionsResultsToSave>
                <bytes>true</bytes>
                <url>true</url>
                <hostname>true</hostname>
                <threadCounts>true</threadCounts>
                <sampleCount>true</sampleCount>
              </value>
            </objProp>
            <stringProp name="filename"></stringProp>
          </ResultCollector>
          

HTTP请求（Sampler，此处为Json写法，因为请求类型为Application/Json）

<HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="operatorLogin_操作员登录" 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;operatorNo&quot;:&quot;${operatorNo}&quot;, &quot;password&quot;:&quot;${password}&quot;, &quot;verifyCode&quot;:&quot;${verifyCode}&quot;}</stringProp>
                  <stringProp name="Argument.metadata">=</stringProp>
                </elementProp>
              </collectionProp>
            </elementProp>
            <stringProp name="HTTPSampler.domain"></stringProp>
            <stringProp name="HTTPSampler.port"></stringProp>
            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
            <stringProp name="HTTPSampler.response_timeout"></stringProp>
            <stringProp name="HTTPSampler.protocol"></stringProp>
            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
            <stringProp name="HTTPSampler.path">/operatorLogin</stringProp> 　　-- 请求路径
            <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>
            <boolProp name="HTTPSampler.monitor">false</boolProp>
            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
          </HTTPSamplerProxy>

响应断言

<ResponseAssertion guiclass="AssertionGui" testclass="ResponseAssertion" testname="响应断言" enabled="true">
              <collectionProp name="Asserion.test_strings">
                <stringProp name="-1610171759">&quot;errorCode&quot;:&quot;0&quot;,&quot;errorMsg&quot;:&quot;操作成功！&quot;</stringProp>
              </collectionProp>
              <stringProp name="Assertion.test_field">Assertion.response_data</stringProp>
              <boolProp name="Assertion.assume_success">false</boolProp>
              <intProp name="Assertion.test_type">2</intProp>
              <stringProp name="Assertion.scope">all</stringProp>
              <stringProp name="Scope.variable">count_1</stringProp>
            </ResponseAssertion>

Debuger Sampler(固定样式)

  <DebugSampler guiclass="TestBeanGUI" testclass="DebugSampler" testname="Debug Sampler" enabled="true">
            <boolProp name="displayJMeterProperties">false</boolProp>
            <boolProp name="displayJMeterVariables">true</boolProp>
            <boolProp name="displaySystemProperties">false</boolProp>
          </DebugSampler>