测试如果一个类有一个属性？ [英] Test if a class has an attribute?

问题描述

我试图做一个小测试优先发展，我想验证我的课标有一个属性：

I'm trying to do a little Test-First development, and I'm trying to verify that my classes are marked with an attribute:

[SubControllerActionToViewDataAttribute]
public class ScheduleController : Controller

我如何单元测试这个类分配给它的属性？

How do I unit test that the class has that attribute assigned to it?

推荐答案

检查

Attribute.GetCustomAttribute(typeof(ScheduleController),
    typeof(SubControllerActionToViewDataAttribute))

不为空（ Assert.IsNotNull 或类似）

（我用这个，而不是 IsDefined 的原因是，大多数时候，我要验证的属性的一些性质太....）

(the reason I use this rather than IsDefined is that most times I want to validate some properties of the attribute too....)

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