wercker.yml

box: wercker/ubuntu12.04-ruby1.9.3
services:
    - wercker/postgresql
build:
    # The steps that will be executed on build
    steps:
        - script:
            name: Enable virtual display
            code: |-
              # Start xvfb which gives the context an virtual display
              # which is required for tests that require an GUI
              export DISPLAY=:99.0
              start-stop-daemon --start --quiet --pidfile /tmp/xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 1024x768x24 -ac +extension GLX +render -noreset

              # Give xvfb time to start. 3 seconds is the default for all xvfb-run commands.
              sleep 3
        # Install (apt-get) packages
        - install-packages:
            packages: libqtwebkit-dev
        # A step that executes `bundle install` command
        - bundle-install
        # A step that prepares the database.yml with settings from the database you defined in services
        - rails-database-yml:
            service: postgresql
        # A custom script step, name value is used in the UI
        # and the code value contains the command that get executed
        - script:
            name: echo ruby information
            code: |
              echo "ruby version $(ruby --version) running"
              echo "from location $(which ruby)"
              echo -p "gem list: $(gem list)"
        #migrations
        - script:
            name: rake
            code: bundle exec rake db:migrate RAILS_ENV=test
        # Run forest Run
        - script:
            name: rspec
            code: bundle exec rspec