如何模拟已初始化为新对象的变量

时间:2019-03-13 12:45:29

标签: c# unit-testing mocking moq

我正在测试用于处理新用户注册的 OnPostAsync()方法。当测试通过方法运行时,它将遇到许多变量,这就是我遇到的问题,例如你调用的对象是空的。 我在var user收到错误消息,我已经模拟了CreateAsync()。为了简单起见,我省略了代码,我们将不胜感激!

Register.cshtml.cs

    public class RegisterModel : PageModel
{
    private readonly SignInManager<IdentityUser> _signInManager;
    private readonly UserManager<IdentityUser> _userManager;
    private readonly ILogger<RegisterModel> _logger;
    private readonly IEmailSender _emailSender;

    public RegisterModel(
        UserManager<IdentityUser> userManager,
        SignInManager<IdentityUser> signInManager,
        ILogger<RegisterModel> logger,
        IEmailSender emailSender)
    {
        _userManager = userManager;
        _signInManager = signInManager;
        _logger = logger;
        _emailSender = emailSender;
    }

public async Task<IActionResult> OnPostAsync(string returnUrl = null)
{
    returnUrl = returnUrl ?? Url.Content("~/");
    if (ModelState.IsValid)
    {
        var user = new IdentityUser { UserName = "tester@gmail.com", Email = "tester@gmail.com" };
        var result = await _userManager.CreateAsync(user, "falafelsrock");

        if (result.Succeeded)
        { 
            var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
            var callbackUrl = Url.Page(
                    "/Account/ConfirmEmail",
                    pageHandler: null,
                    values: new { userId = user.Id, code = code },
                    protocol: Request.Scheme);
            Console.WriteLine("Succeeded");
        }
        foreach (var error in result.Errors)
        {
            ModelState.AddModelError(string.Empty, error.Description);
        }
    }
}
}

RegisterModelTests.cs

[TestFixture]
public class RegisterModelTests
{
    private Mock<FakeUserManager> _mockUserManager;

    [SetUp]
    public void SetUp()
    {
        _mockUserManager = new Mock<FakeUserManager>();
        SetUpFakeUserManager();
    }

    public RegisterModel CreateRegisterModel()
    {
        return new RegisterModel(_mockUserManager.Object);
    }

    [Test]
    [TestCase("tester@tester.co.uk")]
    public async Task GivenValidInput_OnPostAsync_CreatesANewUser(string email)
    {
        // Arrange
        var user = new IdentityUser { UserName = email, Email = email };
        var unitUnderTest = CreateRegisterModel();
        // Act
        var result = await unitUnderTest.OnPostAsync("/asdsad/asda");
        // Assert
        if (result != null)
            Assert.Pass();
    }

    private void SetUpFakeUserManager()
    {
        _mockUserManager.Setup(x => x.CreateAsync(It.IsAny<IdentityUser>(), It.IsAny<string>())
            .ReturnsAsync(IdentityResult.Success);
    }
}

0 个答案:

没有答案