pipeline {
    agent any
    options {
        parallelsAlwaysFailFast()
    }
    stages {
        stage('BuildAndTest') {
            matrix {
                agent none
                axes {
                    axis {
                        name 'PY_VERSION'
                        values '3.6-alpine', '3.7-alpine', '3.8-alpine', '3.9-alpine'
                    }
                }
                stages {
                    stage('build') {
                        agent {
                            docker { image "python:$PY_VERSION"
                                args '-e DJANGO_SETTINGS_MODULE="locallibrary.settings"'}
                        }
                        steps {
                            sh 'python --version'
                        }
                    }
                    stage('test') {
                        agent {
                            docker { image "python:$PY_VERSION"
                                args '-e DJANGO_SETTINGS_MODULE="locallibrary.settings" -u 0:0'}
                        }
                        environment {
                            PY_ENV = "/tmp/pitestenv"
                        }
                        steps {
                            sh '''
                            apk --no-cache add --virtual build-dependencies libpq-dev gcc musl-dev
                            python -m venv ${PY_ENV}
                            source ${PY_ENV}/bin/activate
                            export PATH=${PY_ENV}/bin:${PATH}
                            pip install -U pip
                            pip install -r requirements.txt
                            python3 manage.py migrate
                            python manage.py test
                            python -m xmlrunner discover -p *_test.py
                            '''
                        }
                    }
                }
            }
        }
    }
}