Rakefile

WORKSPASE = "JavaScriptBridge.xcworkspace"
SCHEME = "Tests"
DESTINATIONS = ["name=iPhone Retina (3.5-inch),OS=7.0",
                "name=iPhone Retina (4-inch),OS=7.0",
                "name=iPhone Retina (4-inch 64-bit),OS=7.0"]

task :default => [:clean, :test]

desc "clean"
task :clean do
  system("xcodebuild clean -workspace #{WORKSPASE} -scheme #{SCHEME} | xcpretty -c")
end

desc "run unit tests"
task :test do
  DESTINATIONS.each do |destination|
    system("xcodebuild test -workspace #{WORKSPASE} -scheme #{SCHEME} -configuration Debug -sdk iphonesimulator -destination \"#{destination}\" | xcpretty -c")
  end
end