Populate IConfiguration for unit tests

Question

.NET Core configuration allows so many options to add values (environment variables, json files, command line args).

I just can\'t figure out and find an answer how

Answer 1

Would AddInMemoryCollection extension method help?

You can pass a key-value collection into it: IEnumerable> with the data you might need for a test.

var builder = new ConfigurationBuilder();

builder.AddInMemoryCollection(new Dictionary
{
     { "key", "value" }
});