appraise 'rails-4.2-stable' do
  gem 'rails', '~> 4.2.0'
  gem 'bundler', '< 2'
  gem "mongoid", "~> 4.0"
end

appraise 'rails-5.0-stable' do
  gem 'rails', '~> 5.0.0'
  gem "mongoid", "~> 6.0"
end

appraise 'rails-5.1-stable' do
  gem 'rails', '~> 5.1.0'
  gem "mongoid", "~> 6.0"
end

appraise 'rails-5.2-stable' do
  gem 'rails', '~> 5.2.0'
  gem "mongoid", "~> 6.0"
end

# appraise 'rails-6.0-beta' do
#   gem 'rails', '~> 6.0.0.beta3'
#   group :mongoid do
#     gem "mongoid", "~> 6.0"
#   end
# end