.travis.yml

language: php
sudo: false

cache:
  directories:
    - $HOME/.composer/cache/files

env:
  global:
    - PHPUNIT_FLAGS="-v  --configuration phpunit.xml.dist --coverage-text"

matrix:
  fast_finish: true
  include:
    # Minimum supported dependencies with the latest and oldest PHP version
    - php: 7.1
      env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest"
    - php: 7.2
      env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest"
    - php: 7.3
      env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest"

    # Test the latest stable release
    - php: 7.1
    - php: 7.2
    - php: 7.3
      env: COVERAGE=true PHPUNIT_FLAGS="-v --coverage-text"

    # Latest commit to master
    - php: 7.3
      env: STABILITY="dev"

  allow_failures:
    # Dev-master is allowed to fail.
    - env: STABILITY="dev"

before_install:
  - if [[ $COVERAGE != true ]]; then phpenv config-rm xdebug.ini || true; fi
  - if ! [ -z "$STABILITY" ]; then travis_wait composer config minimum-stability ${STABILITY}; fi;
  - if ! [ -v "$DEPENDENCIES" ]; then composer require --no-update ${DEPENDENCIES}; fi;

install:
  - composer update ${COMPOSER_FLAGS} --prefer-dist --no-interaction

script:
  - composer validate --no-check-lock --strict
  - ./vendor/bin/phpunit $PHPUNIT_FLAGS