ios - 如何使用 Xamarin 和 F# 在 iOS 上进行单元测试

Question

我正在使用 Xamarin Studio 5.5，我想在 iOS 模拟器上运行我的测试。 遗憾的是，没有用于创建 iOS 单元测试项目的模板。

Answer 1

1. 创建一个空的 F# 项目

2. 将以下文件 (AppDelegate.fs) 复制到您新创建的项目中

   namespace ioslibrarytests //obviously you can choose any namespace you want
   
   open System
   open MonoTouch.UIKit
   open MonoTouch.Foundation
   open MonoTouch.NUnit.UI
   
   [<Register("AppDelegate")>]
   type AppDelegate() = 
       inherit UIApplicationDelegate()
       override val Window = null with get, set
       override this.FinishedLaunching(app, options) = 
           this.Window <- new UIWindow(UIScreen.MainScreen.Bounds)
           let runner = new TouchRunner(this.Window)
           runner.Add (System.Reflection.Assembly.GetExecutingAssembly ());
           this.Window.RootViewController <- new UINavigationController (runner.GetViewController ());
           this.Window.MakeKeyAndVisible()
           true
   
   module Main = 
   [<EntryPoint>]
   let main args = 
       UIApplication.Main(args, null, "AppDelegate")
       0
   

3. 创建您的测试文件。例如 Tests.fs 并遵循此实现模式

   namespace ioslibrarytests
   
   open System
   open NUnit.Framework;
   
   [<TestFixture>]
   type Tests() =
        [<Test>]
        member me.Pass() = Assert.True (true)
   
        [<Test>]
        member me.Fail() = Assert.False (true)
   
        [<Test>]
        [<Ignore ("another time")>]
        member me.``Ignore me``() = Assert.True (false)
   

请注意

• 您的测试类需要有一个默认构造函数 => type Tests() = ...
• 您的测试方法需要有一个空参数列表 => member me.Pass() = ...