脚本专栏

基于Python组装jmx并调用JMeter实现压力测试
脚本专栏 2024/12/24 佚名
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JMeter可以通过os命令调用Python脚本，Python同样可以通过系统命令调用JMeter执行压测

Python调用JMeter

首先要安装JMeter，官方下载地址

解压并配置配置环境路径或建立软连，使得在命令输入jmeter便可以执行，如

unzip apache-jmeter-5.3.zip
mv apache-jmeter-5.3 /usr/loca/jmeter
ln -s /usr/local/jmeter/bin/jmeter /usr/bin/jmeter
ln -s /usr/local/jmeter/bin/jmeter-server /usr/bin/jmeter-server

打开JMeter并设计一个测试计划保存为testplan.jmx

使用Python调用JMeter压测并生成报告

Python中可以使用os.system()或supprocess.Popen()调用系统命令，前者实时显示在屏幕上，后者可以获取到屏幕输出信息。
使用Python调用JMeter运行及生成报告的命令如下。

import subprocess

jmx_file = 'testplan.jmx' # jmx文件路径
result_file = 'result.jtl' # 
log_file = 'run.log'
report_dir = 'report'

run_cmd = f'jmeter -n -t {jmx_file} -l {result_file} -j {log_file}' # 无界面运行JMeter压测命令
report_cmd = f'jmeter -g {result_file} -o {report_dir}' # 生成HTML报告命令

# 不需要获取屏幕输出是，可以使用os.system()
# os.system(run_cmd)
# os.system(report_cmd)

# 需要获取屏幕输出是，可以使用subprocess.Popen()
p1 = subprocess.Popen(run_cmd, shell=True, stdout=subprocess.PIPE)
print(p1.stdout.read().decode('utf-8'))
p2 = subprocess.Popen(report_cmd, shell=True, stdout=subprocess.PIPE)
print(p2.stdout.read().decode('utf-8'))

组装jmx

每一测试计划为一个jmx文件，jmx实际上是xml格式的，包含一些JMeter自定义的格式规范。
常用的组件有：

  • : 测试计划
  • : 线程组
  • : CSV数据文件
  • : HTTP请求
  • : HTTP请求头管理器
  • : Cookies管理器
  • : DNS缓存管理器
  • : 监听器(包括查看结果树、聚合报告等)
  • ： 响应断言
  • <io.github.ningyu.jmeter.plugin.dubbo.sample.DubboSample></io.github.ningyu.jmeter.plugin.dubbo.sample.DubboSample>: 三方Dubbo请求插件

Dubbo插件jmeter-plugins-dubbo下载链接

jmx中，如果一个组件有子组件，格式为

<ThreadGroup 组件基本属性>
   ...线程组配置
</ThreadGroup>
<hashTree>
   ...内部子组件
</hashTree>
···
如果不包含子组件，则后面接一个<hashTree/> 单标签直接结束，例如：
```xml
<CSVDataSet>
  ... CSV数据组件配置
</CSVDataSet>
<hashTree/>

详细的格式可以自己使用JMeter创建一个测试计划，使用文本文件打开jmx文件查看。

使用Python组装jmx文件的方式有两种，一种是固定模板的数据渲染，一种类似JMeter的逐个组件添加，第一种比较简单。
通过分析jmx文件中的变量，我们使用jinja2模板语法，将其中的变量进行参数化，对需要判断和循环的变量设置if和for循环。

Jinja2中文文档

假设我们的测试计划结构为：

测试计划
  DNS缓存管理器
  Cookies管理器
  CSV文件(多个)
  ...
  聚合报告
  线程组(多个)
    CSV文件(多个)
    HTTP请求(或Dubbo请求)
      HTTP请求头管理器
      CSV文件(多个)
      响应断言
      察看结果树

将jmx中的关键数据抽取并组合，我使用的完整数据格式如下：

data.yaml

test_plan_name: 测试计划
comments: 测试计划描述
hosts:
 - name: las.secoo.com
  address: 112.126.120.128
cookies:
 clear_each_iteration: 'true'
csv_files:
 - {'name': '数据文件1', 'path': 'data.csv', 'varnames': 'a,b', 'delimiter': ','}
 - {'name': '数据文件2', 'path': 'data.csv', 'varnames': 'c,d', 'delimiter': ','}
thread_groups:
 - thread_group_name: 线程组1
  comments: 线程组1描述
  enabled: 'true'
  num_threads: 50
  loops: -1
  ramp_time: 0
  scheduler: 'true'
  duration: 30
  delay: ''
  http_samples:
   - request_name: HTTP-GET
    enabled: 'true'
    csv_files:
     - {'name': '数据文件4', 'path': 'data.csv', 'varnames': 'a,b', 'delimiter': ','}
    request:
     protocol: https
     domain: httpbin.org
     port: ''
     encoding: ''
     path: /get
     method: GET
     connect_timeout: ''
     response_timeout: ''
     params: {'a': 1, 'b': 2}
     headers: {'token': 'aaaaaa', 'x-text': 'bbbbb'}
     follow_redirects: 'false'
     auto_redirects: 'false'
     use_keepalive: 'false'
    validate:
     - test_field: response_data # response_data响应文本 response_code响应代码response_message响应信息response_headers
      # 请求头request_headers sample_label URL样本 response_data_as_document文档(文本) 请求数据request_data
      test_type: 2 # 2 包括 1匹配 8 相等 16字符串 否+4 或者+32
      strings: ['a', 'b']
   - request_name: HTTP-POST
    enabled: 'true'
    request:
     protocol: https
     domain: httpbin.org
     port: ''
     encoding: ''
     path: /post
     method: POST
     data: {'c': 3, 'd': 4}
     follow_redirects: 'false'
     auto_redirects: 'false'
     use_keepalive: 'false'
     connect_timeout: ''
     response_timeout: ''
   - request_name: HTTP-JSON
    enabled: 'true'
    request:
     protocol: https
     domain: httpbin.org
     port: ''
     encoding: ''
     path: /post
     method: POST
     connect_timeout: ''
     response_timeout: ''
     raw_data: '{"e": 5, "f": 6}'
     follow_redirects: 'false'
     auto_redirects: 'false'
     use_keepalive: 'false'
 - thread_group_name: 线程组2
  comments: 线程组2描述
  enabled: 'false'
  num_threads: 50
  loops: -1
  ramp_time: 0
  scheduler: 'true'
  duration: 30
  delay: ''
  csv_files:
   - {'name': '数据文件3', 'path': 'data.csv', 'varnames': 'a,b','delimiter': '\t'}
  dubbo_samples:
   - request_name: 查询运费接口-dubbo
    enabled: 'true'
    registry:
     type: zookeeper
     group: ''
     address: 'zk-mall1.secoolocal.com:5181"code": 0']

对应的模板文件tpl.xml代码如下：

<"1.0" encoding="UTF-8"?>
<jmeterTestPlan version="1.2" properties="5.0" jmeter="5.3">
 <hashTree>
  <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="{{test_plan_name}}" enabled="true">
   <stringProp name="TestPlan.comments">{{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>
   <stringProp name="TestPlan.user_define_classpath"></stringProp>
  </TestPlan>
  <hashTree>{% if hosts %}
   <DNSCacheManager guiclass="DNSCachePanel" testclass="DNSCacheManager" testname="DNS缓存管理器" enabled="true">
    <collectionProp name="DNSCacheManager.servers"/>
    <collectionProp name="DNSCacheManager.hosts">{% for host in hosts %}
     <elementProp name="las.secoo.com" elementType="StaticHost">
      <stringProp name="StaticHost.Name">{{host.name}}</stringProp>
      <stringProp name="StaticHost.Address">{{host.address}}</stringProp>
     </elementProp>{% endfor %}
    </collectionProp>
    <boolProp name="DNSCacheManager.clearEachIteration">false</boolProp>
    <boolProp name="DNSCacheManager.isCustomResolver">true</boolProp>
   </DNSCacheManager>
   <hashTree/>{% endif %} {% if cookies %}
   <CookieManager guiclass="CookiePanel" testclass="CookieManager" testname="HTTP Cookie管理器" enabled="true">
    <collectionProp name="CookieManager.cookies"/>
    <boolProp name="CookieManager.clearEachIteration">{{cookies.clear_each_iteration}}</boolProp>
   </CookieManager>
   <hashTree/>{% endif %} {% if csv_files %}{% for csv_file in csv_files %}
   <CSVDataSet guiclass="TestBeanGUI" testclass="CSVDataSet" testname="{{csv_file.name}}" enabled="true">
    <stringProp name="filename">dat/{{csv_file.path}}</stringProp>
    <stringProp name="fileEncoding">UTF-8</stringProp>
    <stringProp name="variableNames">{{csv_file.varnames}}</stringProp>
    <boolProp name="ignoreFirstLine">true</boolProp>
    <stringProp name="delimiter">{{csv_file.delimiter}}</stringProp>
    <boolProp name="quotedData">false</boolProp>
    <boolProp name="recycle">true</boolProp>
    <boolProp name="stopThread">false</boolProp>
    <stringProp name="shareMode">shareMode.group</stringProp>
   </CSVDataSet>
   <hashTree/>{% endfor %}{% endif %}
   <ResultCollector guiclass="StatVisualizer" testclass="ResultCollector" testname="聚合报告" 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>true</responseDataOnError>
      <saveAssertionResultsFailureMessage>true</saveAssertionResultsFailureMessage>
      <assertionsResultsToSave>0</assertionsResultsToSave>
      <bytes>true</bytes>
      <sentBytes>true</sentBytes>
      <threadCounts>true</threadCounts>
      <idleTime>true</idleTime>
     </value>
    </objProp>
    <stringProp name="filename"></stringProp>
   </ResultCollector>
   <hashTree/>{% for thread_group in thread_groups %}
   <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="{{thread_group.thread_group_name}}" enabled="{{thread_group.enabled}}">
    <stringProp name="TestPlan.comments">{{thread_group.comments}}</stringProp>
    <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>
     <intProp name="LoopController.loops">{{thread_group.loops}}</intProp>
    </elementProp>
    <stringProp name="ThreadGroup.num_threads">{{thread_group.num_threads}}</stringProp>
    <stringProp name="ThreadGroup.ramp_time">{{thread_group.ramp_time}}</stringProp>
    <boolProp name="ThreadGroup.scheduler">{{thread_group.scheduler}}</boolProp>
    <stringProp name="ThreadGroup.duration">{{thread_group.duration}}</stringProp>
    <stringProp name="ThreadGroup.delay">{{thread_group.delay}}</stringProp>
    <boolProp name="ThreadGroup.same_user_on_next_iteration">false</boolProp>
   </ThreadGroup>
   <hashTree>{% if thread_group.csv_files %}{% for csv_file in thread_group.csv_files %}
    <CSVDataSet guiclass="TestBeanGUI" testclass="CSVDataSet" testname="{{csv_file.name}}" enabled="true">
    <stringProp name="filename">dat/{{csv_file.path}}</stringProp>
    <stringProp name="fileEncoding">UTF-8</stringProp>
    <stringProp name="variableNames">{{csv_file.varnames}}</stringProp>
    <boolProp name="ignoreFirstLine">true</boolProp>
    <stringProp name="delimiter">{{csv_file.delimiter}}</stringProp>
    <boolProp name="quotedData">false</boolProp>
    <boolProp name="recycle">true</boolProp>
    <boolProp name="stopThread">false</boolProp>
    <stringProp name="shareMode">shareMode.group</stringProp>
   </CSVDataSet>
    <hashTree/>{% endfor %}{% endif %} {% if thread_group.http_samples %}{% for http_sample in thread_group.http_samples %}
    <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="{{http_sample.request_name}}" enabled="{{http_sample.enabled}}">
     <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="用户定义的变量" enabled="true">
      <collectionProp name="Arguments.arguments">{% if http_sample.request.params %}{% for name, value in http_sample.request.params.items() %}
       <elementProp name="{{name}}" elementType="HTTPArgument">
        <boolProp name="HTTPArgument.always_encode">false</boolProp>
        <stringProp name="Argument.value">{{value}}</stringProp>
        <stringProp name="Argument.metadata">=</stringProp>
        <boolProp name="HTTPArgument.use_equals">true</boolProp>
        <stringProp name="Argument.name">{{name}}</stringProp>
       </elementProp>{% endfor %}{% endif %} {% if http_sample.request.data %}{% for name, value in http_sample.request.data.items() %}
       <elementProp name="{{name}}" elementType="HTTPArgument">
        <boolProp name="HTTPArgument.always_encode">false</boolProp>
        <stringProp name="Argument.value">{{value}}</stringProp>
        <stringProp name="Argument.metadata">=</stringProp>
        <boolProp name="HTTPArgument.use_equals">true</boolProp>
        <stringProp name="Argument.name">{{name}}</stringProp>
       </elementProp>{% endfor %}{% endif %} {% if http_sample.request.raw_data %}
       <elementProp name="" elementType="HTTPArgument">
        <boolProp name="HTTPArgument.always_encode">false</boolProp>
        <stringProp name="Argument.value">{{http_sample.request.raw_data}}</stringProp>
        <stringProp name="Argument.metadata">=</stringProp>
       </elementProp>{% endif %}
      </collectionProp>
     </elementProp>
     <stringProp name="HTTPSampler.domain">{{http_sample.request.domain}}</stringProp>
     <stringProp name="HTTPSampler.port">{{http_sample.request.port}}</stringProp>
     <stringProp name="HTTPSampler.protocol">{{http_sample.request.protocol}}</stringProp>
     <stringProp name="HTTPSampler.contentEncoding">{{http_sample.request.encoding}}</stringProp>
     <stringProp name="HTTPSampler.path">{{http_sample.request.path}}</stringProp>
     <stringProp name="HTTPSampler.method">{{http_sample.request.method}}</stringProp>
     <boolProp name="HTTPSampler.follow_redirects">{{http_sample.request.follow_redirects}}</boolProp>
     <boolProp name="HTTPSampler.auto_redirects">{{http_sample.request.auto_redirects}}</boolProp>
     <boolProp name="HTTPSampler.use_keepalive">{{http_sample.request.use_keepalive}}</boolProp>
     <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
     <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
     <stringProp name="HTTPSampler.connect_timeout">{{http_sample.request.connect_timeout}}</stringProp>
     <stringProp name="HTTPSampler.response_timeout">{{http_sample.request.response_timeout}}</stringProp>
    </HTTPSamplerProxy>
    <hashTree>{% if http_sample.request.headers %}
     <HeaderManager guiclass="HeaderPanel" testclass="HeaderManager" testname="HTTP信息头管理器" enabled="true">
      <collectionProp name="HeaderManager.headers">{% for name, value in http_sample.request.headers.items() %}
       <elementProp name="" elementType="Header">
        <stringProp name="Header.name">{{name}}</stringProp>
        <stringProp name="Header.value">{{value}}</stringProp>
       </elementProp>{% endfor %}
      </collectionProp>
     </HeaderManager>
     <hashTree/>{% endif %} {% if http_sample.csv_files %}{% for csv_file in http_sample.csv_files %}
     <CSVDataSet guiclass="TestBeanGUI" testclass="CSVDataSet" testname="CSV 数据文件设置" enabled="true">
      <stringProp name="delimiter">{{csv_file.delimiter}}</stringProp>
      <stringProp name="fileEncoding">UTF_8</stringProp>
      <stringProp name="filename">dat/{{csv_file.path}}</stringProp>
      <boolProp name="ignoreFirstLine">true</boolProp>
      <boolProp name="quotedData">false</boolProp>
      <boolProp name="recycle">true</boolProp>
      <stringProp name="shareMode">shareMode.group</stringProp>
      <boolProp name="stopThread">false</boolProp>
      <stringProp name="variableNames">{{csv_file.varnames}}</stringProp>
     </CSVDataSet>
     <hashTree/>{% endfor %}{% endif %} {% if http_sample.validate %}{% for assertion in http_sample.validate %}
     <ResponseAssertion guiclass="AssertionGui" testclass="ResponseAssertion" testname="响应断言" enabled="true">
      <collectionProp name="Asserion.test_strings">{% if assertion.strings %}{% for string in assertion.strings %}
       <stringProp name="97">{{string}}</stringProp>{% endfor %}{% endif %}
      </collectionProp>
      <stringProp name="Assertion.custom_message"></stringProp>
      <stringProp name="Assertion.test_field">Assertion.{{assertion.test_field}}</stringProp>
      <boolProp name="Assertion.assume_success">false</boolProp>
      <intProp name="Assertion.test_type">{{assertion.test_type}}</intProp>
     </ResponseAssertion>
     <hashTree/>{% endfor %}{% endif %}
     <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>{% endfor %}{% endif %} {% if thread_group.dubbo_samples %} {% for dubbo_sample in thread_group.dubbo_samples %}
    <io.github.ningyu.jmeter.plugin.dubbo.sample.DubboSample guiclass="io.github.ningyu.jmeter.plugin.dubbo.gui.DubboSampleGui" testclass="io.github.ningyu.jmeter.plugin.dubbo.sample.DubboSample" testname="{{dubbo_sample.request_name}}" enabled="{{dubbo_sample.enabled}}">
     <stringProp name="FIELD_DUBBO_REGISTRY_PROTOCOL">{{dubbo_sample.registry.type}}</stringProp>
     <stringProp name="FIELD_DUBBO_REGISTRY_GROUP">{{dubbo_sample.registry.group}}</stringProp>
     <stringProp name="FIELD_DUBBO_RPC_PROTOCOL">dubbo://</stringProp>
     <stringProp name="FIELD_DUBBO_ADDRESS">{{dubbo_sample.registry.address}}</stringProp>
     <stringProp name="FIELD_DUBBO_TIMEOUT">{{dubbo_sample.dubbo.timeout}}</stringProp>
     <stringProp name="FIELD_DUBBO_VERSION"></stringProp>
     <stringProp name="FIELD_DUBBO_RETRIES">{{dubbo_sample.dubbo.retries}}</stringProp>
     <stringProp name="FIELD_DUBBO_GROUP">{{dubbo_sample.dubbo.group}}</stringProp>
     <stringProp name="FIELD_DUBBO_CONNECTIONS">{{dubbo_sample.dubbo.connections}}</stringProp>
     <stringProp name="FIELD_DUBBO_LOADBALANCE">{{dubbo_sample.dubbo.load_balance}}</stringProp>
     <stringProp name="FIELD_DUBBO_ASYNC">sync</stringProp>
     <stringProp name="FIELD_DUBBO_CLUSTER">{{dubbo_sample.dubbo.cluster}}</stringProp>
     <stringProp name="FIELD_DUBBO_INTERFACE">{{dubbo_sample.dubbo.service}}</stringProp>
     <stringProp name="FIELD_DUBBO_METHOD">{{dubbo_sample.dubbo.method}}</stringProp>
     <intProp name="FIELD_DUBBO_METHOD_ARGS_SIZE">1</intProp>{% for param in dubbo_sample.dubbo.params %}
      <stringProp name="FIELD_DUBBO_METHOD_ARGS_PARAM_TYPE1">{{param.type}}</stringProp>
      <stringProp name="FIELD_DUBBO_METHOD_ARGS_PARAM_VALUE1">{{param.value}}</stringProp>{% endfor %}
     <intProp name="FIELD_DUBBO_ATTACHMENT_ARGS_SIZE">0</intProp>
     <stringProp name="FIELD_DUBBO_CONFIG_CENTER_PROTOCOL"></stringProp>
     <stringProp name="FIELD_DUBBO_CONFIG_CENTER_GROUP"></stringProp>
     <stringProp name="FIELD_DUBBO_CONFIG_CENTER_NAMESPACE"></stringProp>
     <stringProp name="FIELD_DUBBO_CONFIG_CENTER_USER_NAME"></stringProp>
     <stringProp name="FIELD_DUBBO_CONFIG_CENTER_PASSWORD"></stringProp>
     <stringProp name="FIELD_DUBBO_CONFIG_CENTER_ADDRESS"></stringProp>
     <stringProp name="FIELD_DUBBO_CONFIG_CENTER_TIMEOUT"></stringProp>
     <stringProp name="FIELD_DUBBO_REGISTRY_USER_NAME"></stringProp>
     <stringProp name="FIELD_DUBBO_REGISTRY_PASSWORD"></stringProp>
     <stringProp name="FIELD_DUBBO_REGISTRY_TIMEOUT"></stringProp>
    </io.github.ningyu.jmeter.plugin.dubbo.sample.DubboSample>
    <hashTree>{% if dubbo_sample.dubbo.headers %}
     <HeaderManager guiclass="HeaderPanel" testclass="HeaderManager" testname="HTTP信息头管理器" enabled="true">
      <collectionProp name="HeaderManager.headers">{% for name, value in dubbo_sample.dubbo.headers.items() %}
       <elementProp name="" elementType="Header">
        <stringProp name="Header.name">{{name}}</stringProp>
        <stringProp name="Header.value">{{value}}</stringProp>
       </elementProp>{% endfor %}
      </collectionProp>
     </HeaderManager>
     <hashTree/>{% endif %} {% if dubbo_sample.validate %} {% for assertion in dubbo_sample.validate %}
     <ResponseAssertion guiclass="AssertionGui" testclass="ResponseAssertion" testname="响应断言" enabled="true">
      <collectionProp name="Asserion.test_strings">{% if assertion.strings %}{% for string in assertion.strings %}
       <stringProp name="97">{{string}}</stringProp>{% endfor %}{% endif %}
      </collectionProp>
      <stringProp name="Assertion.custom_message"></stringProp>
      <stringProp name="Assertion.test_field">Assertion.{{assertion.test_field}}</stringProp>
      <boolProp name="Assertion.assume_success">false</boolProp>
      <intProp name="Assertion.test_type">{{assertion.test_type}}</intProp>
     </ResponseAssertion>{% endfor %} {% endif %}
     <hashTree/>{% endfor %}{% endif %} {% endfor %}
   </hashTree>
  </hashTree>
 </hashTree>
</jmeterTestPlan>

组装出类似data.yaml格式的数据，并使用jinja2渲染模板即可得到完整的jmx文件

pip install pyyaml jinja2

import yaml
import jinja2

# 组装或读取数据
with open('data.yaml', encoding='utf-8') as f:
  data = yaml.safe_load(f)

 # 读取模板
with open('tpl.xml', encoding='utf-8') as f:
  tpl = f.read()

# 渲染模板生成jmx
jmx = jinja2.Template(tpl).render(data)
with open(jmx_file, 'w', encoding='utf-8') as f:
  f.write(jmx)

后计

在实际项目中，还涉及数据文件的拷贝，节点环境的部署，脚本的分发，报告的下载等等，可以使用paramiko或者fabric或ansible完成，压测节点数据分发的服务管理。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

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Python,组装,jmx,JMeter,压力测试
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