How do I write a Rails 3.1 engine controller test in rspec?

Question

I have written a Rails 3.1 engine with the namespace Posts. Hence, my controllers are found in app/controllers/posts/, my models in app/models/posts, etc. I can test the mod

Answer 1

I'm developing a gem for my company that provides an API for the applications we're running. We're using Rails 3.0.9 still, with latest Rspec-Rails (2.10.1). I was having a similar issue where I had defined routes like so in my Rails engine gem.

match '/companyname/api_name' => 'CompanyName/ApiName/ControllerName#apimethod'

I was getting an error like

ActionController::RoutingError:
 No route matches {:controller=>"company_name/api_name/controller_name", :action=>"apimethod"}

It turns out I just needed to redefine my route in underscore case so that RSpec could match it.

match '/companyname/api_name' => 'company_name/api_name/controller_name#apimethod'

I guess Rspec controller tests use a reverse lookup based on underscore case, whereas Rails will setup and interpret the route if you define it in camelcase or underscore case.