require "isolation/abstract_unit" module ApplicationTests class CheckRubyVersionTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails end test "rails initializes with ruby 1.8.7 or later, except for 1.9.1" do if RUBY_VERSION < '1.8.7' assert_rails_does_not_boot elsif RUBY_VERSION == '1.9.1' assert_rails_does_not_boot else assert_rails_boots end end def assert_rails_boots assert_nothing_raised "It appears that rails does not boot" do require "rails/all" end end def assert_rails_does_not_boot $stderr = File.open("/dev/null", "w") assert_raises(SystemExit) do require "rails/all" end end end end