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如何在 gatling 中生成和使用动态参数

[英]How to generate and use dynamic parameter in gatling with

 原文  2022-09-27 12:47:07  4   0    scala/ testing/ load-testing/ gatling

问题描述

请帮助我，我是加特林的新手

这些参数值必须是 static Age , Name and Description

这个参数值必须是动态的，但是请求first_req和second_req都是一样的。 约会时间

这些参数值必须是动态requestDate 、 time 、 nonce和calculate_text

首先，我必须运行first_req请求并且我必须获取trid参数值其次，我必须运行second_req请求并且我必须为此请求使用trid参数值

当我运行负载测试时，参数必须生成动态

当我运行此代码主体时

body:FormUrlEncodedRequestBody{contentType='application/x-www-form-urlencoded', charset=UTF-8, content=age=30&name=Test+Name&description=Test+Request&date_time=%23%7Bdate_time%7D&time=%23%7Btime%7D&nonce=%23%7Bnonce%7D&calculate_text=%23%7Bcalculate_text%7D}

例如

date_time=%23%7Bdate_time%7D

我无法获取数据请帮助

我的测试代码在那里

package tests

import io.gatling.core.Predef.*
import io.gatling.core.feeder.Feeder
import io.gatling.core.scenario.Simulation
import io.gatling.http.Predef.*

import java.io.{FileOutputStream, PrintWriter}
import java.text.SimpleDateFormat
import java.util.{Calendar, TimeZone}
import scala.language.postfixOps
import scala.util.Random

class FirstTestCase extends Simulation {

  //  There i write my data to csv
  val response_writer = {
    val fos = new FileOutputStream("src/test/resources/data/writeResponse.csv")
    new PrintWriter(fos, true)
  }

  //  There i write my request body to csv
  val response_writer4 = {
    val fos = new FileOutputStream("src/test/resources/data/writeResponseData.csv")
    new PrintWriter(fos, true)
  }

  val format = new SimpleDateFormat("yyyyMMddHHmmss")
  format.setTimeZone(TimeZone.getTimeZone("UTC"))

  val format_date = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss.SSS")
  format_date.setTimeZone(TimeZone.getTimeZone("GMT+4"))

  private val httpProtocol = http
    .baseUrl("https://test.test.com")
    .inferHtmlResources(BlackList(""".*\.js""", """.*\.css""", """.*\.gif""", """.*\.jpeg""", """.*\.jpg""", """.*\.ico""", """.*\.woff""", """.*\.woff2""", """.*\.(t|o)tf""", """.*\.png""", """.*detectportal\.firefox\.com.*"""), WhiteList())
    .acceptHeader("text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9")
    .acceptEncodingHeader("gzip, deflate")
    .acceptLanguageHeader("en-US,en;q=0.9,az;q=0.8,tr;q=0.7")
    .contentTypeHeader("application/x-www-form-urlencoded")
    .originHeader("https://test.test.com")
    .upgradeInsecureRequestsHeader("1")
    .userAgentHeader("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36")

  private val headers_0 = Map(
    "sec-ch-ua" -> """Chromium";v="104", " Not A;Brand";v="99", "Google Chrome";v="104""",
    "sec-ch-ua-mobile" -> "?0",
    "sec-ch-ua-platform" -> "macOS",
    "sec-fetch-dest" -> "document",
    "sec-fetch-mode" -> "navigate",
    "sec-fetch-site" -> "same-site",
    "sec-fetch-user" -> "?1"
  )

  val Age = "30"
  val Name = "Test Name"
  val Description = "Test Request"

  //  First i must be generate this data
  def generateFirstEntry: Map[String, String] = {
    val dateTime = format_date.format(Calendar.getInstance.getTime)
    val requestDate = format.format(Calendar.getInstance.getTime) + Random.nextInt(999999).toString
    val time = format.format(Calendar.getInstance.getTime)
    val nonce = Random.nextInt(999999).toString
    val text = Name.length + Name + Age.length + Age + Description.length + Description + requestDate.length + requestDate + time.length + time + nonce.length + nonce
    Map(
      "date_time" -> dateTime,
      "request_date" -> requestDate,
      "time" -> time,
      "nonce" -> nonce,
      "calculate_text" -> (dateTime + requestDate + time + nonce + text + Age + Name + Description)
    )
  }

  val myFeederFirst: Feeder[String] = Iterator.continually(generateFirstEntry)

  //  First request
  val first_req = http("request_0")
    .post("/test/test")
    .formParam("age", Age)
    .formParam("name", Name)
    .formParam("description", Description)
    .formParam("date_time", "#{date_time}")
    .formParam("time", "#{time}")
    .formParam("nonce", "#{nonce}")
    .formParam("calculate_text", "#{calculate_text}")

    .check(bodyString.saveAs("resp"))
    .check(xpath("//desc").saveAs("desc"))
    .check(xpath("//action").saveAs("action"))
    .check(xpath("//trid").saveAs("trid"))

    .check(status.is(200))
    .check(xpath("//desc").is("Approved"))
    .check(xpath("//action").is("0"))

  //There i generate data
  def generateSecondEntry: Map[String, String] = {
    val dateTime = format_date.format(Calendar.getInstance.getTime)
    val requestDate = format.format(Calendar.getInstance.getTime) + Random.nextInt(999999).toString
    val time = format.format(Calendar.getInstance.getTime)
    val nonce = Random.nextInt(999999).toString
    val text = Name.length + Name + Age.length + Age + Description.length + Description + requestDate.length + requestDate + time.length + time + nonce.length + nonce
    //    trId - I get this data from first request and must be use second request
    val trId = "#{trid}"
    Map(
      "date_time" -> dateTime,
      "request_date" -> requestDate,
      "time" -> time,
      "nonce" -> nonce,
      "tr_id" -> trId,
      "calculate_text" -> (dateTime + requestDate + time + nonce + text + Age + Name + Description + trId)
    )
  }

  val myFeederSecond: Feeder[String] = Iterator.continually(generateSecondEntry)

  //  Second request
  val second_req = http("request_1")
    .post("/test/test")
    .formParam("age", Age)
    .formParam("name", Name)
    .formParam("description", Description)
    .formParam("date_time", "#{date_time}")
    .formParam("time", "#{time}")
    .formParam("nonce", "#{nonce}")
    .formParam("trid", "#{trid}")
    .formParam("calculate_text", "#{calculate_text}")

    .check(bodyString.saveAs("resp"))
    .check(xpath("//desc").saveAs("desc"))
    .check(xpath("//action").saveAs("action"))
    .check(xpath("//trid").saveAs("trid"))

    .check(status.is(200))
    .check(xpath("//desc").is("Approved"))
    .check(xpath("//action").is("0"))

  val admins = scenario("Admins")
    .feed(myFeederFirst)
    .exec(first_req)
    .exec(session => {
      response_writer.println(session("resp").as[String])
      session
    })
    .exec(session => {
      response_writer4.println("#desc" + ", " + "#action" + ", " + "#trid" + ", " + "#calculate_text" + ", " + "#{dateTime}" + ", " + "#{requestDate}" + ", " + "#{time}" + ", " + "#{nonce}" + ", " + "#{text}" + ", " + Age + ", " + Name + ", " + Description)
      session
    })
    .feed(myFeederSecond)
    .exec(second_req)
    .exec(session => {
      response_writer.println(session("resp").as[String])
      session
    })
    .exec(session => {
      response_writer4.println("#desc" + ", " + "#action" + ", " + "#trid" + ", " + "#calculate_text" + ", " + "#{dateTime}" + ", " + "#{requestDate}" + ", " + "#{time}" + ", " + "#{nonce}" + ", " + "#{text}" + ", " + Age + ", " + Name + ", " + Description)
      session
    })

  {
    setUp(
      admins.inject(rampUsers(1).during(1))
    ).protocols(httpProtocol)
  }
}

Pom XML 那里

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.gatling.tests</groupId>
  <artifactId>gatling_scala_project</artifactId>
  <version>2.0-SNAPSHOT</version>

  <properties>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
    <encoding>UTF-8</encoding>

    <gatling.version>3.6.1</gatling.version>
    <gatling-maven-plugin.version>3.1.2</gatling-maven-plugin.version>
  </properties>

<!--  <version>3.8.4</version>-->

<!--  <properties>-->
<!--    &lt;!&ndash; use the following if you're compiling with JDK 8&ndash;&gt;-->
<!--    <maven.compiler.source>1.8</maven.compiler.source>-->
<!--    <maven.compiler.target>1.8</maven.compiler.target>-->
<!--    &lt;!&ndash; comment the 2 lines above and uncomment the line bellow if you're compiling with JDK 11 or 17 &ndash;&gt;-->
<!--    &lt;!&ndash;    <maven.compiler.release>11</maven.compiler.release>&ndash;&gt;-->
<!--    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>-->
<!--    <gatling.version>${project.version}</gatling.version>-->
<!--    <gatling-maven-plugin.version>4.2.7</gatling-maven-plugin.version>-->
<!--    <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>-->
<!--    <maven-jar-plugin.version>3.2.2</maven-jar-plugin.version>-->
<!--  </properties>-->

  <dependencies>
    <dependency>
      <groupId>io.gatling.highcharts</groupId>
      <artifactId>gatling-charts-highcharts</artifactId>
      <version>${gatling.version}</version>
    </dependency>
    <dependency>
      <groupId>io.gatling</groupId>
      <artifactId>gatling-app</artifactId>
      <version>${gatling.version}</version>
    </dependency>
    <dependency>
      <groupId>io.gatling</groupId>
      <artifactId>gatling-recorder</artifactId>
      <version>${gatling.version}</version>
    </dependency>
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-lang3</artifactId>
      <version>3.11</version>
    </dependency>
    <dependency>
      <groupId>com.google.guava</groupId>;
      <artifactId>guava</artifactId>
      <version>23.0</version>
    </dependency>
  </dependencies>

  <build>
    <testSourceDirectory>src/test/scala</testSourceDirectory>
    <plugins>
      <plugin>
        <groupId>io.gatling</groupId>
        <artifactId>gatling-maven-plugin</artifactId>
        <version>${gatling-maven-plugin.version}</version>
      </plugin>
    </plugins>
  </build>
</project>

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