Unit test

gistfile1.txt

//
//  UnittestingTests.swift
//  UnittestingTests
//
//  Created by Jackson Ho on 4/8/19.
//  Copyright © 2019 Jackson Ho. All rights reserved.
//

import XCTest
@testable import Unittesting

class UnittestingTests: XCTestCase {

    override func setUp() {
        // Put setup code here. This method is called before the invocation of each test method in the class.
        
    }

    override func tearDown() {
        // Put teardown code here. This method is called after the invocation of each test method in the class.
    }

    func testExample() {
        // This is an example of a functional test case.
        // Use XCTAssert and related functions to verify your tests produce the correct results.
    }

    func testPerformanceExample() {
        // This is an example of a performance test case.
        self.measure {
            // Put the code you want to measure the time of here.
        }
    }
    
    func testTitle() {
        let storyboard = UIStoryboard(name: "Main", bundle: nil)
        let viewController = storyboard.instantiateInitialViewController() as! ViewController
        _ = viewController.view
        
        XCTAssertEqual("Hello Testing World", viewController.title)
    }
    
    func testPlaceholder() {
        let storyboard = UIStoryboard(name: "Main", bundle: nil)
        let viewController = storyboard.instantiateInitialViewController() as! ViewController
        _ = viewController.view
        
        XCTAssertEqual("Testing Placeholder", viewController.textField.placeholder)
    }
    
    func testVowelInString() {
        let storyboard = UIStoryboard(name: "Main", bundle: nil)
        let viewController = storyboard.instantiateInitialViewController() as! ViewController
        _ = viewController.view
        
        XCTAssertEqual(3, viewController.vowelsInAString(string: "aaa"))
        XCTAssertEqual(1, viewController.vowelsInAString(string: "cat"))
        XCTAssertEqual(0, viewController.vowelsInAString(string: "nht"))
    }
    
    func testTitleMaking() {
        let storyboard = UIStoryboard(name: "Main", bundle: nil)
        let viewController = storyboard.instantiateInitialViewController() as! ViewController
        _ = viewController.view
        
        XCTAssertEqual("High School Musical", viewController.makeTitle(string: "high school musical"))
        XCTAssertEqual("Cat In A Hat", viewController.makeTitle(string: "cat in a hat"))
    }
}