language: php
sudo: false

php:
  - 5.5
  - 5.6
  - 7
  - hhvm

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: entity
  username: root
  encoding: utf8

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 entity 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 entity'
  # Export database variable for kernel tests.
  - export SIMPLETEST_DB=mysql://root:@127.0.0.1/entity
  # Download Drupal 8 core.
  - travis_retry git clone --branch 8.3.x --depth 1 http://git.drupal.org/project/drupal.git
  - cd drupal
  - composer self-update
  - composer install -n

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

  # Start a web server on port 8888, run in the background; wait for
  # initialization.
  - nohup php -S localhost:8888 > /dev/null 2>&1 &

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

script:
  # Run the PHPUnit tests which also include the kernel tests.
  - ./vendor/phpunit/phpunit/phpunit -c ./core/phpunit.xml.dist --verbose ./modules/entity