Reference

JsonPath

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What it is

The JSON PostProcessor enables you extract data from JSON responses using JSON-PATH syntax.

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Attribute

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How use

<?xml version="1.0" encoding="UTF-8"?>
<jmeterTestPlan version="1.2" properties="3.1" jmeter="3.1 r1770033">
  <hashTree>
    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="測試計劃" 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="用戶定義的變量" enabled="true">
        <collectionProp name="Arguments.arguments"/>
      </elementProp>
      <stringProp name="TestPlan.user_define_classpath"></stringProp>
    </TestPlan>
    <hashTree>
      <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="線程組" enabled="true">
        <stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
        <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="循環(huán)控制器" enabled="true">
          <boolProp name="LoopController.continue_forever">false</boolProp>
          <stringProp name="LoopController.loops">1</stringProp>
        </elementProp>
        <stringProp name="ThreadGroup.num_threads">1</stringProp>
        <stringProp name="ThreadGroup.ramp_time">1</stringProp>
        <longProp name="ThreadGroup.start_time">1492422813000</longProp>
        <longProp name="ThreadGroup.end_time">1492422813000</longProp>
        <boolProp name="ThreadGroup.scheduler">false</boolProp>
        <stringProp name="ThreadGroup.duration"></stringProp>
        <stringProp name="ThreadGroup.delay"></stringProp>
      </ThreadGroup>
      <hashTree>
        <ResultCollector guiclass="ViewResultsFullVisualizer" testclass="ResultCollector" testname="察看結(jié)果樹" 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>true</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>
              <threadCounts>true</threadCounts>
              <idleTime>true</idleTime>
              <connectTime>true</connectTime>
            </value>
          </objProp>
          <stringProp name="filename"></stringProp>
        </ResultCollector>
        <hashTree/>
        <kg.apc.jmeter.samplers.DummySampler guiclass="kg.apc.jmeter.samplers.DummySamplerGui" testclass="kg.apc.jmeter.samplers.DummySampler" testname="jp@gc - Dummy Sampler" enabled="true">
          <boolProp name="WAITING">true</boolProp>
          <boolProp name="SUCCESFULL">true</boolProp>
          <stringProp name="RESPONSE_CODE">200</stringProp>
          <stringProp name="RESPONSE_MESSAGE">OK</stringProp>
          <stringProp name="REQUEST_DATA">Dummy Sampler used to simulate requests and responses
without actual network activity. This helps debugging tests.</stringProp>
          <stringProp name="RESPONSE_DATA">{
  "employees": [
    {
      "firstName": "John",
      "lastName": "Doe"
    },
    {
      "firstName": "Anna",
      "lastName": "Smith"
    },
    {
      "firstName": "Peter",
      "lastName": "Jones"
    }
  ],
  "city": "Castle Rock",
  "state": "Maine"
}
</stringProp>
          <stringProp name="RESPONSE_TIME">${__Random(50,500)}</stringProp>
          <stringProp name="LATENCY">${__Random(1,50)}</stringProp>
          <stringProp name="CONNECT">${__Random(1,5)}</stringProp>
        </kg.apc.jmeter.samplers.DummySampler>
        <hashTree>
          <JSONPostProcessor guiclass="JSONPostProcessorGui" testclass="JSONPostProcessor" testname="JSON Extractor" enabled="true">
            <stringProp name="JSONPostProcessor.referenceNames">firstName</stringProp>
            <stringProp name="JSONPostProcessor.jsonPathExprs">$..firstName</stringProp>
            <stringProp name="JSONPostProcessor.match_numbers">-1</stringProp>
            <stringProp name="JSONPostProcessor.defaultValues">NOT FOUND</stringProp>
            <boolProp name="JSONPostProcessor.compute_concat">true</boolProp>
          </JSONPostProcessor>
          <hashTree/>
        </hashTree>
        <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>
        <hashTree/>
      </hashTree>
    </hashTree>
  </hashTree>
</jmeterTestPlan>

output:

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