.travis.yml

## Travis CI Configuration File

sudo: false
language: php
dist: trusty

cache:
  apt: true
  directories:
    - node_modules
    - vendor
    - $HOME/.composer/cache
    - $HOME/opt/$TRAVIS_PHP_VERSION

addons:
  apt:
    packages:
    - bc

# Test against these versions of PHP.
# Some additional PHP versions are also included in the matrix below.
php:
  - '7.0'
  - 7.1
  - 7.2
  - 7.3

# Test against these versions of WordPress.
env:
  - WP_VERSION=5.7 # Plugin minimum version
  - WP_VERSION=5.8
  - WP_VERSION=5.9
  - WP_VERSION=latest

before_script:
  - |
    # Export Composer's global bin dir to PATH, but not on PHP 5.2
    if [[ ${TRAVIS_PHP_VERSION:0:3} != "5.2" ]]; then
      composer config --list --global
      export PATH=`composer config --list --global | grep '\[home\]' | { read a; echo "${a#* }/vendor/bin:$PATH"; }`
    fi
  - |
    # Remove Xdebug for a huge performance increase
    if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
      phpenv config-rm xdebug.ini
    else
      echo "xdebug.ini does not exist"
    fi
  - |
    # Install WordPress and PHPUnit
    if [[ ! -z "$WP_VERSION" ]] ; then
      bash tests/bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
      case "$TRAVIS_PHP_VERSION" in
        7.3|7.2|7.1|7.0|nightly)
          echo "Using PHPUnit 6.x"
          composer global require "phpunit/phpunit:^6"
          ;;
        5.6|5.5|5.4|5.3)
          echo "Using PHPUnit 4.x"
          composer global require "phpunit/phpunit:^4"
          ;;
        5.2)
          # Do nothing, use default PHPUnit 3.6.x
          echo "Using default PHPUnit, hopefully 3.6"
          ;;
        *)
          echo "No PHPUnit version handling for PHP version $TRAVIS_PHP_VERSION"
          exit 1
          ;;
      esac
    composer global require "yoast/phpunit-polyfills:^1.0"
    fi
  - |
    # Install PHP_CodeSniffer if it's requested for this test
    if [[ "$WP_TRAVISCI" == "phpcs" ]] ; then
      composer global require wp-coding-standards/wpcs
      phpcs --config-set installed_paths $HOME/.composer/vendor/wp-coding-standards/wpcs
    fi

script:
  - |
    # Run PHPUnit in both single site and multisite mode
    if [[ ! -z "$WP_VERSION" && "$WP_TRAVISCI" != "phpcs" ]] ; then
      phpunit --verbose
      WP_MULTISITE=1 phpunit --verbose
    fi
  - |
    # Run PHP_CodeSniffer coding standards if it's requested for this test
    if [[ "$WP_TRAVISCI" == "phpcs" ]] ; then
      phpcs
    fi