stages:
  ################
  # Test
  #
  # The test phase actually executes the tests, as well as gathering results
  # and artifacts.
  ################
  - 🗜️ Test

#############
# Templates #
#############

.default-job-settings: &default-job-settings
  interruptible: true
  allow_failure: false
  retry:
    max: 2
    when:
      - unknown_failure
      - api_failure
      - stuck_or_timeout_failure
      - runner_system_failure
      - scheduler_failure
  image:
    name: $_CONFIG_DOCKERHUB_ROOT/php-$_TARGET_PHP-apache:production
  rules:
    - if: $CI_PIPELINE_SOURCE == "parent_pipeline"

.test-variables: &test-variables
  FF_NETWORK_PER_BUILD: 1
  SIMPLETEST_BASE_URL: http://localhost/subdirectory
  DB_DRIVER: mysql
  MYSQL_ROOT_PASSWORD: root
  MYSQL_DATABASE: drupal
  MYSQL_USER: drupaltestbot
  MYSQL_PASSWORD: drupaltestbotpw
  POSTGRES_DB: drupaltestbot
  POSTGRES_USER: drupaltestbot
  POSTGRES_PASSWORD: drupaltestbotpw
  CI_PARALLEL_NODE_INDEX: $CI_NODE_INDEX
  CI_PARALLEL_NODE_TOTAL: $CI_NODE_TOTAL

.with-database: &with-database
  name: $_CONFIG_DOCKERHUB_ROOT/$_TARGET_DB:production
  alias: database

.with-chrome: &with-chrome
  name: $_CONFIG_DOCKERHUB_ROOT/chromedriver:production
  alias: chrome
  entrypoint:
    - chromedriver
    - "--no-sandbox"
    - "--log-path=/tmp/chromedriver.log"
    - "--verbose"
    - "--whitelisted-ips="

.phpunit-artifacts: &phpunit-artifacts
  artifacts:
    when: always
    expire_in: 6 mos
    reports:
      junit: ./sites/default/files/simpletest/*.xml
    paths:
      - ./sites/default/files/simpletest

.setup-webroot: &setup-webserver
  before_script:
    - ln -s $CI_PROJECT_DIR /var/www/html/subdirectory
    - cp $CI_PROJECT_DIR/.gitlab-ci/.htaccess-parent /var/www/html/.htaccess
    - sudo service apache2 start

.get-simpletest-db: &get-simpletest-db
  - |
    # Assume SQLite unless we have another known target.
    export SIMPLETEST_DB=sqlite://localhost/$CI_PROJECT_DIR/sites/default/files/db.sqlite
    [[ $_TARGET_DB == mysql* ]] && export SIMPLETEST_DB=mysql://$MYSQL_USER:$MYSQL_PASSWORD@database/$MYSQL_DATABASE
    [[ $_TARGET_DB == mariadb* ]] && export SIMPLETEST_DB=mysql://$MYSQL_USER:$MYSQL_PASSWORD@database/$MYSQL_DATABASE
    [[ $_TARGET_DB == pgsql* ]] && export SIMPLETEST_DB=pgsql://$POSTGRES_USER:$POSTGRES_PASSWORD@database/$POSTGRES_DB
  - echo "SIMPLETEST_DB = $SIMPLETEST_DB"

.prepare-dirs: &prepare-dirs
  - mkdir -p ./sites/default/files ./sites/default/files/simpletest ./build/logs/junit
  - chown -R www-data:www-data ./sites ./build/logs/junit /var/www/
  - sudo -u www-data git config --global --add safe.directory $CI_PROJECT_DIR

.install-drupal: &install-drupal
  - sudo -u www-data /usr/local/bin/drush si -y --db-url=$SIMPLETEST_DB --clean-url=0 --account-name=admin --account-pass=drupal --account-mail=admin@example.com
  - sudo -u www-data /usr/local/bin/drush vset simpletest_clear_results '0'
  - sudo -u www-data /usr/local/bin/drush vset simpletest_verbose '1'
  - sudo -u www-data /usr/local/bin/drush en -y simpletest

.run-tests: &run-tests
  script:
    - *get-simpletest-db
    - *prepare-dirs
    - *install-drupal
    # We need to pass this along directly even though it's set in the environment parameters.
    - sudo -u www-data php ./scripts/run-tests.sh --color --concurrency "$CONCURRENCY" --url "$SIMPLETEST_BASE_URL" --verbose --fail-only --all --xml "$CI_PROJECT_DIR/sites/default/files/simpletest" --ci-parallel-node-index $CI_PARALLEL_NODE_INDEX --ci-parallel-node-total $CI_PARALLEL_NODE_TOTAL

.run-test-only-tests: &run-test-only-tests
  script:
    - *get-simpletest-db
    - *prepare-dirs
    - *install-drupal
    - export TARGET_BRANCH=${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}${CI_COMMIT_BRANCH}
    - git fetch -vn --depth=50 origin "+refs/heads/$TARGET_BRANCH:refs/heads/$TARGET_BRANCH"
    - |
      echo "ℹ️ Changes from ${TARGET_BRANCH}"
      git diff ${CI_MERGE_REQUEST_DIFF_BASE_SHA} --name-only
      echo "1️⃣ Reverting non test changes"
      if [[ $(git diff ${CI_MERGE_REQUEST_DIFF_BASE_SHA} --diff-filter=DM --name-only|grep -Ev '.test$'|grep -v .gitlab-ci|grep -v scripts/run-tests.sh) ]]; then
        git diff ${CI_MERGE_REQUEST_DIFF_BASE_SHA} --diff-filter=DM --name-only|grep -Ev '.test$'|grep -v .gitlab-ci|grep -v scripts/run-tests.sh|while read file;do
          echo "↩️ Reverting $file"
          git checkout refs/heads/${TARGET_BRANCH} -- $file;
        done
      fi
      echo "2️⃣ Deleting new files"
      if [[ $(git diff ${CI_MERGE_REQUEST_DIFF_BASE_SHA} --diff-filter=A --name-only|grep -Ev '.test$'|grep -v .gitlab-ci|grep -v scripts/run-tests.sh) ]]; then
        git diff ${CI_MERGE_REQUEST_DIFF_BASE_SHA} --diff-filter=A --name-only|grep -Ev '.test$'|grep -v .gitlab-ci|grep -v scripts/run-tests.sh|while read file;do
          echo "🗑️️ Deleting $file"
          git rm $file
        done
      fi
      echo "3️⃣ Running test changes for this branch"
      if [[ $(git diff ${CI_MERGE_REQUEST_DIFF_BASE_SHA} --name-only|grep -E '.test$') ]]; then
        git diff ${CI_MERGE_REQUEST_DIFF_BASE_SHA} --name-only|grep -E ".test$"|while read file;do
          sudo -u www-data php ./scripts/run-tests.sh --color --concurrency "$CONCURRENCY" --url "$SIMPLETEST_BASE_URL" --verbose --fail-only --xml "$CI_PROJECT_DIR/sites/default/files/simpletest/test-only" --file "$file"
        done
      fi

################
# Jobs
#
# Jobs define what scripts are actually executed in each stage.
################

'⚡️ PHPUnit Unit':
  <<: [ *phpunit-artifacts, *setup-webserver, *run-tests, *default-job-settings ]
  stage: 🗜️ Test
  parallel: 3
  services:
    - <<: *with-database
    - <<: *with-chrome
  variables:
    <<: *test-variables
    CONCURRENCY: "$CONCURRENCY"
    KUBERNETES_CPU_REQUEST: "16"

'🩹 Test-only changes':
  <<: [ *phpunit-artifacts, *setup-webserver, *run-test-only-tests, *default-job-settings ]
  stage: 🗜️ Test
  when: manual
  interruptible: true
  allow_failure: true
  variables:
    <<: *test-variables
  services:
    - <<: *with-database
    - <<: *with-chrome