require "isolation/abstract_unit" module InitializerTests class PathsTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails require "rails" end test "rails does not initialize with ruby version 1.8.1" do assert_rails_does_not_boot "1.8.1" end test "rails does not initialize with ruby version 1.8.2" do assert_rails_does_not_boot "1.8.2" end test "rails does not initialize with ruby version 1.8.3" do assert_rails_does_not_boot "1.8.3" end test "rails does not initialize with ruby version 1.8.4" do assert_rails_does_not_boot "1.8.4" end test "rails does not initializes with ruby version 1.8.5" do assert_rails_does_not_boot "1.8.5" end test "rails does not initialize with ruby version 1.8.6" do assert_rails_does_not_boot "1.8.6" end test "rails initializes with ruby version 1.8.7" do assert_rails_boots "1.8.7" end test "rails initializes with the current version of Ruby" do assert_rails_boots end def set_ruby_version(version) $-w = nil Object.const_set(:RUBY_VERSION, version.freeze) end def assert_rails_boots(version = nil) set_ruby_version(version) if version assert_nothing_raised "It appears that rails does not boot" do Rails::Initializer.run { |c| c.frameworks = [] } Rails.initialize! end end def assert_rails_does_not_boot(version) set_ruby_version(version) $stderr = File.open("/dev/null", "w") assert_raises(SystemExit) do Rails::Initializer.run { |c| c.frameworks = [] } Rails.initialize! end end end end