uBDD-Swift

func given(givenText: String, givenCode: ()->(),
    when whenText: String, whenCode: ()->(),
    then thenText: String, thenCode: ()->()) {
    
    println("\n\n=> SCENARIO\n\tGiven '\(givenText)'\n\tWhen '\(whenText)'\n\tThen '\(thenText)'")

    givenCode()
    whenCode()
    thenCode()
}

func test() {
    given("some preconditions", {
        // your setup here
    },
    when: "an actions occurs", {
        // do your action here
    },
    then: "some conditions should be met", {
        // write your assertions here
    })
}