.travis.yml

language: php
# The Travis CI container mode has random functional test fails, so we must use
# sudo here.
sudo: true

php:
  - 5.5
  # We need to specify the latest version here because otherwise there are
  # segmentation faults in PHP 5.6.5.
  - 5.6.18
  - 7
  # HHVM is disabled for now because we have not figured out yet how to start a
  # web server for the browser tests.
  #- hhvm

env:
  - DRUPAL_CORE=8.0.x
  - DRUPAL_CORE=8.1.x
  - DRUPAL_CORE=8.2.x

matrix:
  allow_failures:
    # We cannot use hhvm-nightly since that does not work in Travis CI's old
    # Ubuntu 12.04.
    #- php: hhvm
  # Don't wait for the allowed failures to build.
  fast_finish: true

mysql:
  database: rules
  username: root
  encoding: utf8

# Cache composer downloads because cloning Coder form drupal.org is very slow :-(
cache:
  directories:
    - $HOME/.composer

before_script:
  # Remove Xdebug as we don't need it and it causes
  # PHP Fatal error:  Maximum function nesting level of '256' reached.
  # We also don't care if that file exists or not on PHP 7.
  - phpenv config-rm xdebug.ini || true

  # Remember the current rules test directory for later use in the Drupal
  # installation.
  - TESTDIR=$(pwd)
  # Navigate out of module directory to prevent blown stack by recursive module
  # lookup.
  - cd ..

  # Create database.
  - mysql -e 'create database rules'
  # Export database variable for kernel tests.
  - export SIMPLETEST_DB=mysql://root:@127.0.0.1/rules
  # Download Drupal 8 core from the Github mirror because it is faster.
  - travis_retry git clone --branch $DRUPAL_CORE --depth 1 https://github.com/drupal/drupal.git
  - cd drupal
  # Temporary core hack to get debug information when random test fails occur.
  # See https://www.drupal.org/node/2659954
  - wget -q -O - https://www.drupal.org/files/issues/core-debug_0.txt | patch -p1

  # Reference rules in build site.
  - ln -s $TESTDIR modules/rules

  # Run composer install for Drupal 8.1 and up. We need an up-to-date composer
  # when installing Drupal 8.1.
  - if [ "$DRUPAL_CORE" != "8.0.x" ]; then travis_retry composer self-update && travis_retry composer install; fi

  # Start a web server on port 8888, run in the background.
  - php -S localhost:8888 &

  # Export web server URL for browser tests.
  - export SIMPLETEST_BASE_URL=http://localhost:8888

  # Install PHPCS to check for Drupal coding standards.
  - travis_retry composer global require drupal/coder
  - ~/.composer/vendor/bin/phpcs --config-set installed_paths ~/.composer/vendor/drupal/coder/coder_sniffer

script:
  # Run the PHPUnit tests which also include the kernel tests.
  - ./vendor/bin/phpunit -c ./core/phpunit.xml.dist ./modules/rules
  # Check for coding standards violations
  - cd modules/rules && ~/.composer/vendor/bin/phpcs