Alibaba bosses explain the actual combat of Jmeter interface automation testing for large-scale projects online

JMeter is a powerful performance testing tool that can also be used for interface automation testing. In large-scale projects, automated interface testing can help us quickly discover problems in the interface and ensure the stability and reliability of the interface.

Below is a simple example showing how to use JMeter for interface automation testing. This example uses HTTP Request Sampler to send HTTP requests and Response Assertion to assert server responses.

1. Download and install JMeter

First, you need to download JMeter from the official website and follow the steps to install it.

1. Create a test plan

Open JMeter and create a new test plan. Right-click on the test plan and select Add > Threads (Users) > Thread Group. In the Thread Group interface, you can set parameters such as the number of threads and the number of cycles.

1. Add HTTP Request Sampler

Create HTTP request Sampler under Thread Group. Right-click on the Thread Group and select Add > Sampler > HTTP Request. In the HTTP request window, enter information such as the request URL and request method.

1. Added Response Assertion

To ensure that the server responds as expected, we need to add a Response Assertion. Right-click on the HTTP Request Sampler and select Add > Assertion > Response Assertion. In the response assertion interface, you can set parameters such as response code and response message.

1. run test

After completing the above steps, you can save the test plan and run the test. The test results will be presented in the form of charts, etc., and detailed information can be obtained by viewing log files.

Below is a sample JMeter test plan code, which includes Thread Group, HTTP Request Sampler and Response Assertion.

<?xml version="1.0" encoding="UTF-8"?>
<jmeterTestPlan version="1.2" properties="5.0" jmeter="5.4.1">
  <hashTree>
    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="Test Plan" 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" enabled="true">
        <collectionProp name="Arguments.arguments"/>
      </elementProp>
      <stringProp name="TestPlan.user_define_classpath"></stringProp>
      <boolProp name="TestPlan.tearDown_on_shutdown">true</boolProp>
      <boolProp name="TestPlan.serialize_threadgroups">false</boolProp>
      <boolProp name="TestPlan.shutdown.test_listener">false</boolProp>
      <boolProp name="TestPlan.force_tg_yields">false</boolProp>
      <stringProp name="TestPlan.max_number_of_threads">1</stringProp>
      <stringProp name="TestPlan.max_ramp_up">1</stringProp>
      <longProp name="TestPlan.delayedStart">0</longProp>
    </TestPlan>
    <hashTree>
      <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="Thread Group" enabled="true">
        <stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
        <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" enabled="true">
          <boolProp name="LoopController.continue_forever">false</boolProp>
          <intProp name="LoopController.loops">1</intProp>
        </elementProp>
        <stringProp name="ThreadGroup.num_threads">1</stringProp>
        <stringProp name="ThreadGroup.ramp_time">1</stringProp>
        <longProp name="ThreadGroup.start_time">1618912853000</longProp>
        <longProp name="ThreadGroup.end_time">1618912853000</longProp>
        <boolProp name="ThreadGroup.scheduler">false</

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