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Cypress - Jenkins

Running Cypress tests in parallel with Jenkins and Currents Dashboard
Here's an example of Jenkins pipeline that is running cypress tests in parallel on 2 workers and is connected to Currents Dashboard for orchestrating the parallel runs and reporting the results. 
The pipeline will be running 2 workers, based on cypress/base:16 Docker image. Those workers will run all the tests in parallel.
The steps are:
Use cypress/base:18 as the base image
Install the necessary dependencies: cypress and cypress-cloud
Populate the environment variable CURRENTS_RECORD_KEY using Jenkins Credentials Store. Learn more about Record Key​
Run cypress tests on 2 workers, using CI Build ID for "connecting" the workers to the same parallel run. See Cypress Parallelization and CI Build ID.
npx cypress-cloud run --parallel --record --key ${env.CURRENTS_RECORD_KEY} --ci-build-id ${env.BRANCH_NAME}-${env.BUILD_ID}"
Here's the full Jenkins pipeline configuration file:
pipeline {
  agent {
    // this image provides everything needed to run Cypress
    docker {
      image 'cypress/base:18'
    }
  }
​
  stages {
    // installs node dependencies and Cypress binary
    stage('build') {
      steps {
        echo "Running build ${env.BUILD_ID} on ${env.JENKINS_URL}"
        sh 'npm install cypress cypress-cloud'
      }
    }
​
    // this stage runs cypress tests, and each agent uses the workspace
    // from the previous stage
    stage('cypress parallel tests') {
      environment {
        // see https://jenkins.io/doc/book/using/using-credentials/
        CURRENTS_RECORD_KEY = credentials('currents-record-key')
        // Prevent deletion of videos to avoid race condition
        CYPRESS_trashAssetsBeforeRuns = 'false'
      }
​
      // Run parallel workers, see:
      // https://jenkins.io/doc/book/pipeline/syntax/#parallel
      parallel {
        // each worker is running the same command, 
        // Currents Dashboard will orchestrate the tests between 
        // the workers
        stage('tester A') {
          steps {
            echo "Running build ${env.BUILD_ID}"
            sh "npx cypress-cloud run --parallel --record --key ${env.CURRENTS_RECORD_KEY} --ci-build-id ${env.BRANCH_NAME}-${env.BUILD_ID}"
          }
        }
​
        // second tester runs the same command
        stage('tester B') {
          steps {
            echo "Running build ${env.BUILD_ID}"
            sh "npx cypress-cloud run --parallel --record --key ${env.CURRENTS_RECORD_KEY} --ci-build-id ${env.BRANCH_NAME}-${env.BUILD_ID}"
          }
        }
      }
​
    }
  }
}
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