Route to question on start

QuizGameEngine/GameFlow.swift

@@ -7,16 +7,22 @@
 
 import Foundation
 
-protocol Router {}
+protocol Router {
+ func routeTo(question: String)
+}
 
 class GameFlow {
  let router: Router
+ let questions: [String]
 
- init(router: Router) {
+ init(questions: [String], router: Router) {
+ self.questions = questions
  self.router = router
  }
 
  func start() {
-
+ if(!questions.isEmpty) {
+ router.routeTo(question: "")
+ }
  }
 }

QuizGameEngineTests/GameFlowTest.swift

@@ -4,18 +4,18 @@
 //
 // Created by Gary Maccabe on 20/02/2021.
 //
-// Goal: To test the routing system and game flow
+// Goal: To test the game routing system and flow
 
 import Foundation
 import XCTest
 @testable import QuizGameEngine
 
 class GameFlowTest: XCTestCase {
 
- func test_start_with_no_questions(){
+ func test_start_with_no_questions_does_not_route_to_question(){
  //arange
  let router = RouterSpy()
- let sysut = GameFlow(router: router)
+ let sysut = GameFlow(questions: [], router: router)
 
  //act
  sysut.start()
@@ -24,7 +24,23 @@ class GameFlowTest: XCTestCase {
  XCTAssertEqual(router.routedQuestionCount, 0)
  }
 
+ func test_start_with_one_question_routes_to_question(){
+ //arange
+ let router = RouterSpy()
+ let sysut = GameFlow(questions: ["Question 1"], router: router)
+
+ //act
+ sysut.start()
+
+ //assert
+ XCTAssertEqual(router.routedQuestionCount, 1)
+ }
+
  class RouterSpy: Router {
  var routedQuestionCount = 0
+
+ func routeTo(question: String) {
+ routedQuestionCount += 1
+ }
  }
 }