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.NET Core–Using IOptions<> in your unit test

An easy and typesafe way to use configuration values in your .NET core applications is through IOptions<T>.

This allows you to create a settings section in your appsettings.json:

And then map this to a specific class:

The only thing you need to do is to specify the section in your Startup.cs:

Now you can inject these settings in your code through IOptions<T>:

But what if you want to unit test this class? How can you create an IOptions<T> instance?

A solution exists through the Options.Create() method:

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