需要一些建议来尝试模拟 .NET WebClient 或等效项

Need some advice for trying to mock a .NET WebClient or equivalent(需要一些建议来尝试模拟 .NET WebClient 或等效项)

问题描述

我有一些代码可以下载一些 RSS 源.

I've got some code which downloads some RSS feeds.

我一直在使用 WebClient 或 Argotic.Syndication.RssFeed 库.

I've been using WebClient or Argotic.Syndication.RssFeed libraries.

但这些不是可模拟的 :(

我绝对不想每次运行单元测试时都点击真正的 RSS 提要.

I definately do not want to hit the real RSS feed every time I run the unit test.

有人对我能做什么有任何建议吗?

Does anyone have any suggestions to what I can do?

我需要创建一个邪恶的包装器吗?如果是这样.. 对此有何建议?

Do I need to create an evil wrapper? If so .. suggestions on this?

推荐答案

我会为每个外部依赖项创建一个包装器(如果可行的话).因此，与文件系统/网络服务/数据库的每次交互都应仅通过接口完成，这将产生更多可测试的代码.

I go for creating a wrapper for every external dependency (if it's practical). So, every interaction with the filesystem/a webservice/database should be done through an interface only, which will lead to more testable code.

另一个解决方案当然是(一如既往)Typemock Isolator.

Another solution of course is (as always) Typemock Isolator.

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