.travis.yml

language: php
dist: trusty

php:
- 5.4
- 5.5
- 5.6
- 7.0
- 7.1
- 7.2
- 7.3

branches:
  only:
    - develop
    - /^(?i:release)\/.*$/

env:
- WP_VERSION=nightly
- WP_VERSION=latest
- WP_VERSION=5.3.3
- WP_VERSION=5.2.6
- WP_VERSION=5.1.5
- WP_VERSION=5.0.9
- WP_VERSION=4.9.8
- WP_VERSION=4.8.2
- WP_VERSION=4.7.5

matrix:
  exclude:
    # phpunit on php 5.4 & 5. must be <= 4.8, but WP requires phpunit 5.7 for 5.2.6+
    - php: 5.4
      env: WP_VERSION=5.2.6
    - php: 5.5
      env: WP_VERSION=5.2.6
    - php: 5.4
      env: WP_VERSION=5.3.3
    - php: 5.5
      env: WP_VERSION=5.3.3
    - php: 5.4
      env: WP_VERSION=latest
    - php: 5.5
      env: WP_VERSION=latest
    - php: 5.4
      env: WP_VERSION=nightly
    - php: 5.5
      env: WP_VERSION=nightly

    # Older versions of WP are incompatible with PHP 7.2/7.3
    - php: 7.2
      env: WP_VERSION=4.7.5
    - php: 7.2
      env: WP_VERSION=4.8.2
    - php: 7.3
      env: WP_VERSION=4.7.5
    - php: 7.3
      env: WP_VERSION=4.8.2
    - php: 7.3
      env: WP_VERSION=4.9.8
      
    # wp test lib < 5.1 & phpunit 7 incompatability 
    - php: 7.3
      env: WP_VERSION=nightly
    - php: 7.2
      env: WP_VERSION=4.9.8
    - php: 7.2
      env: WP_VERSION=5.0.9
    - php: 7.3
      env: WP_VERSION=5.0.9

  allow_failures:
    - env: WP_VERSION=nightly

before_install:
  - nvm install 10
  - pecl install timezonedb
  
install:
- npm install grunt-cli
- npm install
- composer self-update

before_script:
- export PATH="$HOME/.composer/vendor/bin:$PATH"
- |
  if [[ ${TRAVIS_PHP_VERSION:0:3} == "5.4" ]] || [[ ${TRAVIS_PHP_VERSION:0:3} == "5.5" ]]; then
    composer global require "phpunit/phpunit=4.8.*"
  elif [[ ${TRAVIS_PHP_VERSION:0:3} == "5.6" ]] || [[ ${TRAVIS_PHP_VERSION:0:3} == "7.0" ]]  || [[ ${TRAVIS_PHP_VERSION:0:3} == "7.1" ]]; then
    composer global require "phpunit/phpunit=5.7.*"
  else
    composer global require "phpunit/phpunit=7.5.*"
  fi
- mysql --version
- php --version
- npm --version
- node --version
- /home/travis/.config/composer/vendor/bin/phpunit --version
- node_modules/grunt-cli/bin/grunt test_build
- bash bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION

script:
- /home/travis/.config/composer/vendor/bin/phpunit --exclude-group timezone-flakey