在测试初始化​​方法中模拟HttpContext.Current

// 假设有一个需要访问HttpContext.Current的方法
public string GetCurrentUser()
{
    var currentUser = HttpContext.Current.User.Identity.Name;
    return currentUser;
}

// 在测试初始化方法中模拟HttpContext.Current
[TestInitialize]
public void Initialize()
{
    var httpContext = new Mock<HttpContextBase>();
    var user = new Mock<IPrincipal>();
    var identity = new Mock<IIdentity>();
    identity.Setup(i => i.Name).Returns("testuser");
    user.Setup(u => u.Identity).Returns(identity.Object);
    httpContext.SetupGet(c => c.User).Returns(user.Object);

    HttpContext.Current = httpContext.Object;
}

// 编写单元测试方法
[TestMethod]
public void TestGetCurrentUser()
{
    // 调用被测试方法
    var result = GetCurrentUser();

    // 断言结果是否符合预期
    Assert.AreEqual("testuser", result);
}