Python testing jenkinsfile

Jenkinsfile

// This is just a snippet, not a complete file

try {
  stage('Unit Tests') {
    // Build our base image
    app = docker.build("our-service:PR-${BUILD_ID}")

    // Build our test image passing our base image version and our test dockerfile
    docker.build("our-service-test:PR-$BUILD_ID", "--build-arg BUILD_VERSION=PR-$BUILD_ID . -f test.Dockerfile")
    
    // Run our tests!
    // I've named our container, this will come in handy in a minute.
    sh "docker run --name OUR_SERVICE_DEV_TEST_$BUILD_ID our-service-test:PR-$BUILD_ID "

  }
} finally {
    // We can retrieve our test results even though the container stopped!
    sh "docker cp OUR_SERVICE_DEV_TEST_$BUILD_ID:/app/results.xml ."
    junit 'results.xml'

    // You may want to also do some image cleanup somewhere in your job depending on your Docker setup
}