Adding travis to facetapi

.travis.yml

+language: php
+cache:
+  bundler: true
+  directories:
+    - $HOME/tmp/drush
+    - $HOME/.bundle
+  apt: true
+
+php:
+  - 5.4
+  - 5.5
+
+notifications:
+  email:
+    - nick.veenhof@acquia.com
+  irc:
+    - "chat.freenode.net#drupal-search-api"
+
+env:
+  - PATH=$PATH:/home/travis/.composer/vendor/bin
+
+# This will create the database
+mysql:
+  database: drupal
+  username: root
+  encoding: utf8
+
+# To be able to run a webbrowser
+# If we need anything more powerful
+# than e.g. phantomjs
+before_install:
+  - "export DISPLAY=:99.0"
+  - "sh -e /etc/init.d/xvfb start"
+
+install:
+  # Grab Drush
+  - composer global require drush/drush:dev-master --prefer-source
+  - cd /home/travis/.composer/vendor/drush/drush && cd -
+  # Make sure we don't fail when checking out projects
+  - echo -e "Host github.com\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config
+  # LAMP package installation (mysql is already started)
+  - sudo apt-get install apache2 libapache2-mod-fastcgi
+  # enable php-fpm, travis does not support any other method with php and apache
+  - sudo cp ~/.phpenv/versions/$(phpenv version-name)/etc/php-fpm.conf.default ~/.phpenv/versions/$(phpenv version-name)/etc/php-fpm.conf
+  - sudo a2enmod rewrite actions fastcgi alias
+  - echo "cgi.fix_pathinfo = 1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - ~/.phpenv/versions/$(phpenv version-name)/sbin/php-fpm
+  # Make sure the apache root is in our wanted directory
+  - echo "$(curl -fsSL https://gist.githubusercontent.com/nickveenhof/11386315/raw/b8abaf9304fe12b5cc7752d39c29c1edae8ac2e6/gistfile1.txt)" | sed -e "s,PATH,$TRAVIS_BUILD_DIR/../drupal,g" | sudo tee /etc/apache2/sites-available/default > /dev/null
+  # Set sendmail so drush doesn't throw an error during site install.
+  - echo "sendmail_path='true'" >> `php --ini | grep "Loaded Configuration" | awk '{print $4}'`
+  # Forward the errors to the syslog so we can print them
+  - echo "error_log=syslog" >> `php --ini | grep "Loaded Configuration" | awk '{print $4}'`
+  # Get latest drupal 8 core
+  - cd $TRAVIS_BUILD_DIR/..
+  - git clone --depth 1 --branch 8.0.x http://git.drupal.org/project/drupal.git
+  # Restart apache and test it
+  - sudo service apache2 restart
+  - curl -v "http://localhost"
+  # Re-enable when trying to get CodeSniffer doesn't return a 403 anymore.
+  #- composer global require drupal/coder:\>7
+
+before_script:
+  - cd $TRAVIS_BUILD_DIR/../drupal
+  # Update drupal core
+  - git pull origin 8.0.x
+  # Install the site
+  - drush -v site-install standard --db-url=mysql://root:@localhost/drupal --yes
+  - drush en --yes simpletest
+  - drush cr
+  - phpenv rehash
+
+script:
+  # go to our Drupal module directory
+  - mkdir $TRAVIS_BUILD_DIR/../drupal/modules/facetapi
+  - cp -R $TRAVIS_BUILD_DIR/* $TRAVIS_BUILD_DIR/../drupal/modules/facetapi/
+  # go to our Drupal main directory
+  - cd $TRAVIS_BUILD_DIR/../drupal
+  - ls -la $TRAVIS_BUILD_DIR/../drupal/sites/default
+  # Run the tests
+  - php core/scripts/run-tests.sh --verbose --color --concurrency 4 --php `which php` --url http://localhost "facetapi" | tee /tmp/test.txt ; export TEST_EXIT=${PIPESTATUS[0]} ; echo $TEST_EXIT
+  # Check if we had fails in the run-tests.sh script
+  # Exit with the inverted value, because if there are no fails found, it will exit with 1 and for us that\
+  # is a good thing so invert it to 0. Travis has some issues with the exclamation mark in front so we have to fiddle a
+  # bit.
+  # Also make the grep case insensitive and fail on run-tests.sh regular fails as well on fatal errors.
+  - TEST_OUTPUT=$(! egrep -i "([0-9]+ fails)|(PHP Fatal error)|([0-9]+ exceptions)" /tmp/test.txt > /dev/null)$?
+  - cd $TRAVIS_BUILD_DIR/../drupal/core
+  - ./vendor/bin/phpunit --group facetapi --verbose --debug --coverage-text | tee ; export TEST_PHPUNIT=${PIPESTATUS[0]} ; echo $TEST_PHPUNIT
+  # if the TEST_EXIT status is 0 AND the TEST_OUTPUT status is also 0 it means we succeeded, in all other cases we
+  # failed.
+  # Re-enable when trying to get CodeSniffer doesn't return a 403 anymore.
+  #- /home/travis/.composer/vendor/bin/phpcs --standard=/home/travis/.composer/vendor/drupal/coder/coder_sniffer/Drupal --extensions=php,inc,test,module,install --ignore=css/ $TRAVIS_BUILD_DIR/../drupal/modules/search_api
+  - php -i | grep 'php.ini'
+  - sudo cat /var/log/apache2/error.log
+  # Exit the build
+  - echo $TEST_EXIT
+  - echo $TEST_OUTPUT
+  - echo $TEST_PHPUNIT
+  - if [ $TEST_EXIT -eq 0 ] && [ $TEST_OUTPUT -eq 0 ] && [ $TEST_PHPUNIT -eq 0 ]; then exit 0; else exit 1; fi