Running Gatling as a dependency using Gradle
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Mark Taylor
Jan 15, 2020, 1:23:02 AM1/15/20
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Using Gatling 3.3.1, I am struggling to find any model project in GitHub or elsewhere that demonstrates running Gatling as a dependency in a Gradle project.
I just want to run my simulations in Jenkins by executing a Gradle task and no matter what I try, Gatling is not able to find my simulations. Running a Gatling project from IntelliJ using Maven is fine but using JavaExec with my build.gradle cannot find my simulations.
Finding a single simulation by full package name is also fine, my issue is just conveying to Gatling via Gradle the folder containing all my simulations.
Using the code below with my simulation in my project at the spot shown in the screenshot, Gatling finds nothing reporting as shown below.
I am new to Gradle and Gatling. I am sure a simple example project would clear this up. I have tried so many variations with sourceSets, configurations, Groovy methods and on but I cannot get this to work.
BUILD.GRADLE
plugins {
id 'scala'
}
repositories {
jcenter()
}
configurations {
gatling
}
dependencies {
// Use Scala 2.12 in our library project
implementation 'org.scala-lang:scala-library:2.12.9'
// Use Scalatest for testing our library
testImplementation 'junit:junit:4.12'
testImplementation 'org.scalatest:scalatest_2.12:3.0.8'
// Need scala-xml at test runtime
testRuntimeOnly 'org.scala-lang.modules:scala-xml_2.12:1.2.0'
compile group: 'io.gatling', name: 'gatling-app', version: '3.3.1'
compile group: 'io.gatling', name: 'gatling-recorder', version: '3.3.1'
compile group: 'io.gatling', name: 'gatling-charts', version: '3.3.1'
compile group: 'io.gatling.highcharts', name: 'gatling-charts-highcharts', version: '3.3.1'
}
task gatlingRun(type: JavaExec) {
sourceSets.test.allSource.each {println(it)}
println("Simulations path: ${projectDir}/src/test/scala")
description = 'Run gatling tests'
new File("${buildDir}/reports/gatling").mkdirs()
classpath = sourceSets.test.runtimeClasspath
main = "io.gatling.app.Gatling"
args = [
'-sf', "${projectDir}/src/test/scala",
'-rf', "${buildDir}/reports/gatling"
]
}
// '-s', 'io.monster.tests.load.simulations.feeders.JsonFeederSimulation',
===================================================================================================
OUTPUT
4:24:48 pm: Executing task 'gatlingRun'...
> Configure project :
/Users/mataylor/data/demos/adserver-load-tests/src/test/resources/logback.xml
/Users/mataylor/data/demos/adserver-load-tests/src/test/resources/bodies/campaign.json
/Users/mataylor/data/demos/adserver-load-tests/src/test/resources/bodies/advertiser.json
/Users/mataylor/data/demos/adserver-load-tests/src/test/resources/gatling.conf
/Users/mataylor/data/demos/adserver-load-tests/src/test/resources/recorder.conf
/Users/mataylor/data/demos/adserver-load-tests/src/test/scala/Recorder.scala
/Users/mataylor/data/demos/adserver-load-tests/src/test/scala/Engine.scala
/Users/mataylor/data/demos/adserver-load-tests/src/test/scala/JsonFeederSimulation.scala
/Users/mataylor/data/demos/adserver-load-tests/src/test/scala/io/monster/tests/load/simulations/BaseSimulation.scala
/Users/mataylor/data/demos/adserver-load-tests/src/test/scala/io/monster/tests/load/simulations/feeders/JsonFeederSimulation.scala
/Users/mataylor/data/demos/adserver-load-tests/src/test/scala/IDEPathHelper.scala
Simulations path: /Users/mataylor/data/demos/adserver-load-tests/src/test/scala
> Task :compileJava NO-SOURCE
> Task :compileScala NO-SOURCE
> Task :processResources NO-SOURCE
> Task :classes UP-TO-DATE
> Task :compileTestJava NO-SOURCE
> Task :compileTestScala UP-TO-DATE
> Task :processTestResources UP-TO-DATE
> Task :testClasses UP-TO-DATE
> Task :gatlingRun
There is no simulation script. Please check that your scripts are in user-files/simulations
BUILD SUCCESSFUL in 1s
3 actionable tasks: 1 executed, 2 up-to-date
4:24:49 pm: Task execution finished 'gatlingRun'.
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Stéphane LANDELLE
Jan 15, 2020, 1:42:34 AM1/15/20
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Mark Taylor
Jan 16, 2020, 1:22:15 AM1/16/20
to Gatling User Group
Thanks Stéphane,
Yes I should have mentioned that I tried using the plugin com.github.lkishalmi.gatling and I did not think it was working since, being new to Gradle as well as Gatling, I misunderstood what the plugin does.
I thought the generated tasks would be visible in Gradle after running the plugin.
I finally found a working example of a project which used the plugin and once I had seen how the plugin is used I had another go at using the plugin in a new project. At last that worked correctly for me.
I will create a simple project in GitHub with the plugin, Gradle and Gatling.
The project that helped me was this one: https://github.com/nalinikanth/gattling-gradle-demo
Thanks
Mark
Stéphane LANDELLE
Jan 16, 2020, 2:41:44 AM1/16/20
to gat...@googlegroups.com
If you're new with gradle, maybe going with maven that we officially support, would have been a wiser choice.
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