单元测试MVC 5控制器使用工作单元和存储库创建操作 [英] Unit Test MVC 5 Controller Create Action with Unit of Work and Repository
问题描述
我正在尝试测试接受视图模型并创建新条目的控制器动作.这是控制器动作:
I am trying to test a controller action that accepts a view model and creates a new entry. Here is the controller action:
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(ContactViewModel viewModel)
{
if (!ModelState.IsValid)
return View("Create", viewModel);
_unitOfWork.Contacts.Add(Mapper.Map(viewModel, new Contact()));
_unitOfWork.Complete();
return RedirectToAction("Index");
}
以及单元测试:
[TestClass]
public class ContactControllerTests
{
private ContactsController _controller;
private Mock<IContactRepository> _mockRepository;
private string _userId;
private Mock<IUnitOfWork> _mockUoW;
[ClassInitialize]
public static void Init(TestContext context)
{
Mapper.Initialize(c => c.AddProfile<MappingProfile>());
}
[TestInitialize]
public void TestInitialize()
{
_userId = "1";
_mockRepository = new Mock<IContactRepository>();
_mockUoW = new Mock<IUnitOfWork>();
_mockUoW.SetupGet(u => u.Contacts).Returns(_mockRepository.Object);
_controller = new ContactsController(_mockUoW.Object);
_controller.MockCurrentUser(_userId, "user@domain.com");
}
[TestMethod]
public void CreatePost_ValidValuesSubmitted_ShouldCallComplete()
{
var viewModel = new ContactViewModel()
{
FirstName = "a",
LastName = "b"
};
_controller.Create(viewModel);
_mockRepository.Object.GetContacts(_userId).Should().HaveCount(1);
}
}
单元测试总是返回计数0,而我希望它是1.我对TDD还是很陌生,我实现了工作单元和存储库模式,如Mosh Hamedani的课程中所示: https://app.pluralsight.com/library/courses/full-stack-dot-net-developer-architecture-testing/目录表
The unit test always returns the count 0 while I expect it to be 1. I am pretty new to TDD and I implemented unit of work and repository pattern as shown in Mosh Hamedani's course at: https://app.pluralsight.com/library/courses/full-stack-dot-net-developer-architecture-testing/table-of-contents
推荐答案
在上面的示例中,您尚未嘲笑存储库的任何行为.
You have not mocked any behavior for the repository in the above example.
基于提供的示例,让我们假设一个像这样的简单接口.
Based on provided example, let's assume a simple interface like this.
public interface IContactRepository {
void Add(Contact contact);
IEnumerable<Contact> GetContacts(string _userId);
}
您需要某种形式的数据存储.
You need to have some form of storage for your data.
[TestInitialize]
public void TestInitialize() {
_userId = "1";
var data = new List<Contact>();//To store test data.
//Configure repository
_mockRepository = new Mock<IContactRepository>();
_mockRepository.Setup(m => m.Add(It.IsAny<Contact>())).Callback<Contact>(data.Add);
_mockRepository.Setup(m => m.GetContacts(_userId)).Returns(data);
//Configure UoW
_mockUoW = new Mock<IUnitOfWork>();
_mockUoW.SetupGet(u => u.Contacts).Returns(_mockRepository.Object);
_controller = new ContactsController(_mockUoW.Object);
_controller.MockCurrentUser(_userId, "user@domain.com");
}
或放弃该模拟并创建一个假货.
or forego the mock and create a fake.
public class FakeContactRepository : IContactRepository {
private ICollection<Contact> data;
public FakeContactRepository(ICollection<Contact> data) {
this.data = data;
}
public void Add(Contact contact) {
data.Add(contact);
}
public IEnumerable<Contact> GetContacts(string _userId) {
return data;
}
}
并进行测试.
[TestInitialize]
public void TestInitialize() {
_userId = "1";
var data = new List<Contact>();//To store test data.
//Configure repository
var fakeRepository = new FakeContactRepository(data);
//Configure UoW
_mockUoW = new Mock<IUnitOfWork>();
_mockUoW.SetupGet(u => u.Contacts).Returns(fakeRepository );
_controller = new ContactsController(_mockUoW.Object);
_controller.MockCurrentUser(_userId, "user@domain.com");
}
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