a simple and complete example in Quick

QuickExample.swift

import Quick
import Nimble
@testable import MyGreatApp

class LoginViewControllerSpec: QuickSpec {
    
    override func spec() {
        var viewController: LoginViewController!
        
        beforeEach {
            let storyboard = UIStoryboard(name: "Main",
                                          bundle: Bundle(for: type(of: self)))
            viewController = storyboard.instantiateInitialViewController() as! LoginViewControllerSpec
            let _ = viewController.view
        }
        
        describe("initial state") {
            context("UI components in the controller's view ") {
                it("login label") {
                    expect(viewController.loginLabel).notTo(beNil())
                    expect(viewController.loginLabel.text).to(equal("Login"))
                }
            }
        }
    }
}