Travis CI configuration

Here is a list of the key elements in the Travis CI configuration file

Environment

PHP versions

• 5.4
• 5.5
• 5.6
• 7
• hhvm

hhvm is not officially supported

Extensions

• Tidy (included)
• Imagick (compiled with every run)
• xdebug (compiled with every run)

Composer

• All the dev packages are installed
• Removing composer.lock in order to get the latest packages adds an extra 30-60 seconds to tests

Databases

• sqlite
• mysql
• postgresql

Currently unnecessary since we don't store anything in the database

Core

• master only
• Uses core scripts from owncloud/administration

Travis features

• Caching

Tests

PHP

• jakub-onderka/php-parallel-lint for PHP lint
• codeception/codeception BDD, integration and unit testing
• codeception/phpbuiltinserver for the acceptance and api tests
• codeception/c3 for api tests coverage
• Selenium server is downloaded and launched on port 4444
• Firefox is used for acceptance tests
• Coverage report is generated on PHP 5.6 only
• xdebug is disabled in all envs, except PHP 5.6

Documentation

• phpdocumentor/phpdocumentor to generate the documentation from PHPDoc
• Documentation is uploaded to gh-pages repository using build/documentation/docpublisher.sh bash script