appraise "2.1" do
  gem "test-unit", "~> 2.3.0", :platforms => [:mri_19]
  gem "activerecord", "~> 2.1"
end

appraise "2.3" do
  gem "activerecord", "~> 2.3"
end

appraise "3.0" do
  gem "activerecord", "~> 3.0"
end

appraise "3.1" do
  gem "activerecord", "~> 3.1"
end