xUnit-Moq框架
基于上一次的單元測試-xUnit進(jìn)行
Models文件夾
Staff類修改為：
| public class Staff { ??? public int Id { get; set; } ??? public string Name { get; set; } ??? public string State { get; set; } ??? public int Age { get; set; } } |
創(chuàng)建一個IRepository接口
| public interface IRepository { IEnumerable<Staff> Staffs{ get; } } |
? ? ? ? ? ? ?創(chuàng)建一個SimpleRepository類實現(xiàn)IRepository接口
| public class SimpleRepository : IRepository { ??? public IEnumerable<Staff> Staffs=> new Staff[] ??? { ??????? new Staff(){ Id = 1, Name = "張三", State = "在職", Age = 18 }, ??????? new Staff(){ Id = 2, Name = "李四", State = "離職", Age = 20 }, ??????? new Staff(){ Id = 10, Name = "王五", State = "在職", Age = 36 }, ??????? new Staff(){ Id = 8, Name = "血友病", State = "在職", Age = 18 } ??? }; } |
這樣的好處：
Controllers文件夾
HomeController 內(nèi)容修改為
| public class HomeController : Controller { ??? private IRepository repository = new SimpleRepository(); ? ??? public IRepository Repository { ??????? get => repository ; ??????? set => repository = value; ??? } ? ??? public IActionResult Index() ??? { ??????? return View(Repository.Staffs.Where(x => x.State == "在職")); ??? } } |
Staffitems.Tests項目
在NuGet管理器種添加Moq軟件包
Moq是什么？ ==== 是一個用于在應(yīng)用程序種創(chuàng)建組件的仿冒實現(xiàn)的軟件包
Moq有何用？ ====Moq框架是的為單元測試創(chuàng)建仿冒組件以隔離應(yīng)用程序的部件變得更容易
有什么替代品？ ===== 有很多替代品，包括NSubstitue和FakeItEasy。所有這些框架都提供類似的功能，可在它們之間進(jìn)行選擇
?
在HomeControllerTests類中使用Moq
????????????????紅色部分為新增或者修改
????????????????綠色部分為解釋
| public class HomeControllerTests { ??? [Fact] ??? public void IndexActionModelIsComplete2() ??? { ??????? //創(chuàng)建Mocking ??????? var mock = new Mock<IRepository>(); ? ??????? //SetupGet:為調(diào)用屬性getter指定假數(shù)據(jù)的設(shè)置。 ??? //當(dāng)Products被讀取時返回Returns方法里的結(jié)果 ??????? mock.SetupGet(x => x.Staffs).Returns(new[] ??????? { ??????????? new Staff{ Name ="z1",Age = 5, State = "在職" }, ??????????? new Staff{ Name ="z2",Age = -3232 ,State = "在職" }, ??????????? new Staff{ Name ="z3",Age = 99999 ,State = "在職" } ??????? }); ? ??????? //獲取Home控制器,并重新設(shè)置該Repository的值 ??????? //Repository一開始指向與SimpleRepository ??????? //現(xiàn)在指向與我們在上面定義的假數(shù)據(jù) ??????? var controll = new HomeController() { Repository = mock.Object }; ??? ??? //調(diào)用HomeControll中的Index()方法并獲取返回的類型 ??????? var model = (controll.Index() as ViewResult).ViewData.Model ??????????? as IEnumerable<Staff>; ??? ??? //對比預(yù)料值與實際值是否一致 ??????? Assert.Equal( ??????????? controll.Repository.Staffs.Where(x => x.State == "在職"), ??????????? model, ??????????? Comparer.Get<Staff>((a, b) => a.Name == b.Name && a.State == b.State && a.Id == b.Id) ??????? ); ??? } } |
測試Index()方法只執(zhí)行了一次
| [Fact] public void IndexActionModelIsComplete3() { ??? var controller = new HomeController(); ??? var mock = new Mock<IRepository>(); ? ??? mock.SetupGet(m => m.Staffs).Returns(new[] ??? { ??????? new Staff{ Name ="z1",Age = 5, State = "在職" }, ??????? new Staff{ Name ="z2",Age = -3232 ,State = "在職" }, ??????? new Staff{ Name ="z3",Age = 99999 ,State = "在職" } ??? }); ? ??? controller.Repository = mock.Object; ? ??? //執(zhí)行Index()方法 ??? var result = controller.Index(); ??? var result2 = controller.Index(); ??? var result3 = controller.Index(); ? ??? //驗證是否在模擬上讀取了Products屬性。并且只讀取了一次(Times.Once) ??? mock.VerifyGet(m => m.Staffs, Times.Once); } |
????????????????刪除以下代碼就行了
| var result2 = controller.Index(); var result3 = controller.Index(); |
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