gistfile1.swift

class Bob
{
    func hey(prompt: String) -> String {
        let shouting = "Woah, chill out!"
        let question = "Sure"
        let touchy = "Fine. Be that way!"
        let apathy = "Whatever."
        
        if (isLowerCase(prompt: prompt)) {
            return shouting
        }
        else if (prompt.isEmpty) {
            return touchy
        }
        else if (prompt.hasSuffix("?")){
            return question
        }
        else {
            return apathy
        }
    }
    
    func isLowerCase(#prompt: String) -> Bool {
        var isTrue: Bool = false
        for letter in prompt {
            let chr = String(letter)
            if chr.lowercaseString != chr {
                isTrue = true
            }
        }
        return isTrue
    }
}

// actual test file

import XCTest

class BobTests: XCTestCase {
    
    func testStatingSomething() {
        let input = "Tom-ay-to, tom-aaaah-to."
        let expected = "Whatever."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testShouting() {
        let input = "WATCH OUT!"
        let expected = "Woah, chill out!"
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testAskingAQustion() {
        let input = "Does this cryogenic chamber make me look fat?"
        let expected = "Sure."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testTalkingForcefully() {
        let input = "Let's go make out behind the gym!"
        let expected = "Whatever."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testUsingAcronyms() {
        let input = "It's OK if you don't want to go to the DMV."
        let expected = "Whatever."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testForcefulQuestions() {
        let input = "WHAT THE HELL WERE YOU THINKING?"
        let expected = "Woah, chill out!"
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testShoutingNumbers() {
        let input = "1, 2, 3 GO!"
        let expected = "Woah, chill out!"
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testOnlyNumbers() {
        let input = "1, 2, 3."
        let expected = "Whatever."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testQuestionWithOnlyNumbers() {
        let input = "4?"
        let expected = "Sure."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testShoutingWithSpecialCharacters() {
        let input = "ZOMG THE %^*@#$(*^ ZOMBIES ARE COMING!!11!!1!"
        let expected = "Woah, chill out!"
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testShoutingWithUmlautsCharacters() {
        let input = "ÄMLÄTS!"
        let expected = "Woah, chill out!"
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testCalmlySpeakingAboutUmlauts() {
        let input = "ÄMLäTS!"
        let expected = "Whatever."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testShoutingWithNoExclamationmark() {
        let input = "I HATE YOU"
        let expected = "Woah, chill out!"
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testStatementContainingQuestionsMark() {
        let input = "Ending with a ? means a question."
        let expected = "Whatever."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testPrattlingOn() {
        let input = "Wait! Hang on.  Are you going to be OK?"
        let expected = "Sure."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testSilence() {
        let input = ""
        let expected = "Fine, be that way."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
    
    func testProlongedSilence() {
        let input = "     "
        let expected = "Fine, be that way."
        let result = Bob.hey(input)
        XCTAssertEqual(expected, result)
    }
        
}