.travis.yml

language: ruby
rvm:
  - "2.2.10"
  - "2.3.7"
  - "2.4.4"
  - "2.5.1"
env:
  - 'RAILS_VERSION="~> 3.2.0"'
  - 'RAILS_VERSION="~> 4.0.0"'
  - 'RAILS_VERSION="~> 4.1.0"'
  - 'RAILS_VERSION="~> 4.2.0"'
  - 'RAILS_VERSION="~> 5.0.0"'
  - 'RAILS_VERSION="= 5.1.4"'
  - 'RAILS_VERSION="= 5.1.5"'
  - 'RAILS_VERSION="~> 5.1.5"'
  - 'RAILS_VERSION="~> 5.2.0"'
matrix:
  exclude:
  - rvm: "2.2.10"
    env: 'RAILS_VERSION="= 5.1.4"'
  - rvm: "2.2.10"
    env: 'RAILS_VERSION="= 5.1.5"'
  - rvm: "2.4.4"
    env: 'RAILS_VERSION="~> 3.2.0"'
  - rvm: "2.4.4"
    env: 'RAILS_VERSION="~> 4.0.0"'
  - rvm: "2.4.4"
    env: 'RAILS_VERSION="~> 4.1.0"'
  - rvm: "2.5.1"
    env: 'RAILS_VERSION="~> 3.2.0"'
  - rvm: "2.5.1"
    env: 'RAILS_VERSION="~> 4.0.0"'
  - rvm: "2.5.1"
    env: 'RAILS_VERSION="~> 4.1.0"'
before_install:
  - gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler || true
  - gem install bundler -v '< 2'
install:
  - bundle update
script: TRAVIS=true bundle exec rake spec