language: ruby
cache: bundler
before_install: "which bundle || gem install bundler"
matrix:
  include:
    - rvm: 2.4.5
      gemfile: gemfiles/rails_5_2.gemfile
    - rvm: 2.5.3
      gemfile: gemfiles/rails_5_2.gemfile
    - rvm: 2.6.1
      gemfile: gemfiles/rails_4_2.gemfile
    - rvm: 2.6.1
      gemfile: gemfiles/rails_5_0.gemfile
    - rvm: 2.6.1
      gemfile: gemfiles/rails_5_1.gemfile
    - rvm: 2.6.1
      gemfile: gemfiles/rails_5_2.gemfile
    - rvm: 2.6.1
      gemfile: gemfiles/rails_latest.gemfile
script: "bundle exec rake test"