Devise + rspec error: undefined method 'name'

If you're using Devise and rspec on Rails 3, and you want to override a controller, and you end up with an error that makes no sense whatsoever:

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Undefined method 'name' for nil:NilClass

well then, you probably want to add the following line to your tests:

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@request.env["devise.mapping"] = Devise.mappings[:admin]

Yeah… That took me way longer than expected.

On a COMPLETELY UNRELATED SIDE NOTE, pry is pretty cool when you end up having to step through code…