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从csv文件中获取Gatling

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我通过从谷歌浏览器创建一个“.har”文件创建了一个加特林模拟 . 我已经更改了输入参数并尝试从“.csv”文件中获取数据 . 现在，当我运行模拟时，如何检查Gatling模拟是否从“.csv”文件中获取了数据字段？

gatling

2 回答

  • 1

    暂时将日志记录级别降低到conf / logback.xml中的DEBUG，您将看到正在生成的请求 .

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  • 3

    加特林与馈线有很好的联系 .

    • 当您提供错误的文件名或馈送文件的路径时，您将收到以下错误（java.lang.IllegalArgumentException：找不到馈送器文件） . 请注意，测试不会运行 .
    java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at io.gatling.mojo.MainWithArgsInFile.runMain(MainWithArgsInFile.java:50)
at io.gatling.mojo.MainWithArgsInFile.main(MainWithArgsInFile.java:33)
Caused by: java.lang.IllegalArgumentException: Could not locate feeder file: file gatling/src/test/resources/data/wrongFile.csv doesn't exist
at io.gatling.core.feeder.FeederSupport$class.feederBuilder(FeederSupport.scala:53)
at io.gatling.core.Predef$.feederBuilder(Predef.scala:22)
at io.gatling.core.feeder.FeederSupport$class.separatedValues(FeederSupport.scala:44)
at io.gatling.core.Predef$.separatedValues(Predef.scala:22)
at io.gatling.core.feeder.FeederSupport$class.separatedValues(FeederSupport.scala:41)
at io.gatling.core.Predef$.separatedValues(Predef.scala:22)
at io.gatling.core.feeder.FeederSupport$class.csv(FeederSupport.scala:34)
at io.gatling.core.Predef$.csv(Predef.scala:22)
at com.scenario.Scenario.<init>(Scenario.scala:10)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at io.gatling.app.Gatling$.io$gatling$app$Gatling$$$anonfun$1(Gatling.scala:41)
at io.gatling.app.Gatling.run(Gatling.scala:92)
at io.gatling.app.Gatling.runIfNecessary(Gatling.scala:75)
at io.gatling.app.Gatling.start(Gatling.scala:65)
at io.gatling.app.Gatling$.start(Gatling.scala:57)
at io.gatling.app.Gatling$.fromArgs(Gatling.scala:49)
at io.gatling.app.Gatling$.main(Gatling.scala:43)
at io.gatling.app.Gatling.main(Gatling.scala)
    • 如果您的属性与Feed中的列名不匹配，则会出现以下错误 . 所有测试都将以错误结束 .
    00:10:07.937 [ERROR] i.g.h.a.s.HttpRequestAction - 'httpRequest-1' failed to execute: No attribute named 'wrongAttributeName' is defined
    • 当您有带有进纸器数据的空文件时，您将收到以下错误 .
    java.lang.reflect.InvocationTargetException
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at io.gatling.mojo.MainWithArgsInFile.runMain(MainWithArgsInFile.java:50)
   at io.gatling.mojo.MainWithArgsInFile.main(MainWithArgsInFile.java:33)
Caused by: java.lang.IllegalStateException: Feeder is now empty, stopping engine
   at io.gatling.core.action.SingletonFeed$$anonfun$receive$1.applyOrElse(SingletonFeed.scala:61)
   at akka.actor.Actor$class.aroundReceive(Actor.scala:482)
   at io.gatling.core.akka.BaseActor.aroundReceive(BaseActor.scala:23)
   at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
   at akka.actor.ActorCell.invoke(ActorCell.scala:495)
   at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
   at akka.dispatch.Mailbox.run(Mailbox.scala:224)
   at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
   at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
   at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
   at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
   at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)

    当没有出现这种情况时，您几乎可以确定一切正常 . 但是 verify parameters send by Gatling 你可以检查一下

    • gatling日志（将日志记录级别更改为DEBUG）在logback.xml中
    <root level="DEBUG">
    <appender-ref ref="CONSOLE" />
</root>

    然后你会看到类似的日志

    00:13:53.233 [DEBUG] i.g.h.a.s.HttpTx$ - Sending request=Action name uri=http://your-rest-service?param1=value1&param2=value2: scenario=com.scenario.Scenario Scenario name, userId=1
    • 访问服务器上的日志 . 在Tomcat指令中，您可以获得例如here
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