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首页 > 编程语言> 文章详细

Python组装jmx并调用JMeter执行压测

2020-10-27 22:01:02  阅读：270  来源： 互联网

标签：dubbo jmx false Python request sample http JMeter true


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

  1. 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

  1. 打开JMeter并设计一个测试计划保存为testplan.jmx

  2. 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?backup=zk-mall2.secoolocal.com:5181,zk-mall3.secoolocal.com:5181'
        dubbo:
          timeout: 100
          retires: 0
          group: ''
          connections: 100
          load_balance: random
          cluster: failfast
          service: 'com.secoo.business.config.rpc.service.BusinessConfigStoreService'
          method: queryFreight
          headers:
            Content-Type: 'application/json'
          params:
            - type: java.util.List
              value: ${freight_wareHouseId_sendAreaId}
            - type: java.lang.String
              value: 110100
            - type: java.util.List
              value: ${freight_wareHouseId_sendAreaId}
        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
            test_type: 16  # 2 包括 1匹配 8 相等  16字符串  否+4 或者+32
            strings: ['"code": 0']

对应的模板文件tpl.xml代码如下：

<?xml version="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。

标签：dubbo,jmx,false,Python,request,sample,http,JMeter,true
来源： https://www.cnblogs.com/superhin/p/13887905.html

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