karmaExecuteTests.groovy: what should be the correct browser setting to call the KarmaExecuteTests?

[EszterBalog]

We would like to execute automated tests with Karma. Our starting project is https://github.com/SAP/openui5-sample-app, which runs perfectly on local machine. We have tried to call the KarmaExecuteTest groovy script from out job in JAAS jenkins but get an: "No binary for ChromeHeadless browser on your platform. Set "CHROME_BIN" env variable" error. We tried it with headless chrome as well, but the same error comes up. Below I attached the respective log snippet from the job execution.

Chrome
13:34:36  warn  karmaExecuteTests - \[33m20 03 2023 12:34:36.771:WARN \[karma\]: \[39mNo captured browser, open http://localhost:9876/
13:34:36  info  karmaExecuteTests - \[32m20 03 2023 12:34:36.782:INFO \[karma-server\]: \[39mKarma v6.4.1 server started at http://localhost:9876/
13:34:36  info  karmaExecuteTests - \[32m20 03 2023 12:34:36.782:INFO \[launcher\]: \[39mLaunching browsers CustomChrome with concurrency unlimited
13:34:36  info  karmaExecuteTests - \[32m20 03 2023 12:34:36.785:INFO \[launcher\]: \[39mStarting browser Chrome
**13:34:36  error karmaExecuteTests - \[91m20 03 2023 12:34:36.786:ERROR \[launcher\]: \[39mNo binary for Chrome browser on your platform.
13:34:36  info  karmaExecuteTests -   Please, set "CHROME_BIN" env variable.**

headless chrome
15:39:28  warn  karmaExecuteTests - \[33m17 03 2023 14:39:27.852:WARN \[karma\]: \[39mNo captured browser, open http://localhost:9876/
15:39:28  info  karmaExecuteTests - \[32m17 03 2023 14:39:27.863:INFO \[karma-server\]: \[39mKarma v6.4.1 server started at http://localhost:9876/
15:39:28  info  karmaExecuteTests - \[32m17 03 2023 14:39:27.863:INFO \[launcher\]: \[39mLaunching browsers CustomChromeHeadless with concurrency unlimited
15:39:28  info  karmaExecuteTests - \[32m17 03 2023 14:39:27.866:INFO \[launcher\]: \[39mStarting browser ChromeHeadless
**15:39:28  error karmaExecuteTests - \[91m17 03 2023 14:39:27.867:ERROR \[launcher\]: \[39mNo binary for ChromeHeadless browser on your platform.**
**15:39:28  info  karmaExecuteTests -   Please, set "CHROME_BIN" env variable.**

We have created a copy of this project in our organization. The branch main contains the original code. Here is the groovy script we use in case of running the job with the openui5-sample-app's code.

@Library(['piper-lib-os']) _

pipeline{
  agent any
  stages{
    stage('Tests'){
      steps{
        git credentialsId:'GITHUB_USER', url:'https://github.tools.sap/IBP-CTAT/openui5-sample-app.git', changelog: false, poll: false, branch: params.GitBranch
        **karmaExecuteTests(script: this)**
        archiveArtifacts '**/target/**'
      }
    }
  }
}
Could you please help us how to set the browser settings properly or a working example would be also high appreciated?

Thank you, best regards Eszter

[CCFenner]

As you refer to JAAS I assume you have also access this package which does all the necessary configuration:

npm install --save-dev @sap/piper-karma-config

[EszterBalog]

@CCFenner Hi Christopher,

Thank you very much for your hint. Unfortunately I'm new to this npm topic, so I would need some help again. I’ve tried to use the npm install --save-dev @sap/piper-karma-config but I get this error when the npm is trying to install the @sap/piper-karma-config:

11:46:31 error karmaExecuteTests - npm ERR! code E404 
11:46:31 error karmaExecuteTests - npm ERR! 404 Not Found - GET https://int.repositories.cloud.sap/artifactory/proxy-deploy-releases-hyperspace-npm/-/@sap%2fpiper-karma-config 
11:46:31 error karmaExecuteTests - npm ERR! 404 
11:46:31 error karmaExecuteTests - npm ERR! 404 '@sap/piper-karma-config@0.11.3' is not in this registry. 
11:46:31 error karmaExecuteTests - npm ERR! 404

Could you help me what should be the right link for this dependency? In the browser I can find the dependency here: https://int.repositories.cloud.sap/artifactory/proxy-deploy-releases-hyperspace-npm/%40sap/ I’ve also added the @sap/piper-karma-config to my package.json file: https://github.tools.sap/IBP-CTAT/openui5-sample-app/blob/karmaInstall/package.json

I’m trying to run this project in JAAS: https://github.tools.sap/IBP-CTAT/openui5-sample-app.git

I’ve created a .npmrc file also to override the default registry settings: https://github.tools.sap/IBP-CTAT/openui5-sample-app/blob/karmaInstall/.npmrc

The install.sh contains the npm commands which I run in the groovy script of the Jenkins job: https://github.tools.sap/IBP-CTAT/openui5-sample-app/blob/karmaInstall/install.sh The groovy script code is:

@Library(['piper-lib','piper-lib-os']) _

pipeline{
  agent any
  stages{
    stage('Tests'){
      steps{
        git credentialsId:'GITHUB_USER', url:'https://github.tools.sap/IBP-CTAT/openui5-sample-app.git', changelog: false, poll: false, branch: params.GitBranch
        karmaExecuteTests(script: this,
                          sidecarImage: 'selenium/standalone-chrome:latest',
                          installCommand:'bash install.sh'
        )
        archiveArtifacts '**/target/**'
      }
    }
  }
}

Thanks in advance for your help! Best regards, Eszter

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