.NET Core Unit Testing – Mock IOptions

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You need to manually create and populate an IOptions<SampleOptions> object. You can do so via the Microsoft.Extensions.Options.Options helper class. For example:

IOptions<SampleOptions> someOptions = Options.Create<SampleOptions>(new SampleOptions());

You can simplify that a bit to:

var someOptions = Options.Create(new SampleOptions());

Obviously this isn’t very useful as is. You’ll need to actually create and populate a SampleOptions object and pass that into the Create method.

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