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Rebel Foundation Opinions

RebelHold as a collective is highly opinionated. Rebel Foundation has taken Rails 3.2 and layered our operating opinions right on top of it.

So, if you like MongoDB and Mongoid, Haml, Rspec, FactoryGirl, and Heroku, you've chosen the right project to use as your base.

We've left this completely authentication agnostic since that is very much in flux right now. Everything else is ready to go. We've also gotten rid of view and helper test autogeneration. We prefer model, controller, and request (also known as integration) tests.

Every model you generate will a proper Mongoid Document and proper factory, all tests generated will be rspec tests, and there won't as much useless crap generated.


For those rvm users we've included a rvmrc. Just:

cp rvmrc .rvmrc
cd ..

And cd back in to your project.

Accept the rvmrc

gem install bundler

And you're ready to go.

So strap this to your computer and go!

Debugging Using Pry

Debugging with Pry is wonderful. This means that you can break out of execution at any point in the code, investigate and change the model, and then, resume execution! You need to install ruby-debug to run the server in debugging mode. With gems, use sudo gem install ruby-debug. Example:

class WeblogController < ActionController::Base def index @posts = Post.all binding.pry end end

So the controller will accept the action, run the first line, then present you with a IRB prompt in the server window. Here you can do things like:

  >> @posts
  => "[#<Post:0x14a6be8
          @attributes={"title"=>nil, "body"=>nil, "id"=>"1"}>,
          @attributes={"title"=>"Rails", "body"=>"Only ten..", "id"=>"2"}>]"
  >> @posts.first.title = "hello from a debugger"
  => "hello from a debugger"

...and even better, you can examine how your runtime objects actually work:

  >> f = @posts.first
  => #<Post:0x13630c4 @attributes={"title"=>nil, "body"=>nil, "id"=>"1"}>
  >> f.methods

Finally, when you're ready to resume execution, you can enter "cont".

You can also step through the code using 'next', thanks to the pry-nav gem.


The console is a Ruby shell, which allows you to interact with your application's domain model. Here you'll have all parts of the application configured, just like it is when the application is running. You can inspect domain models, change values, and save to the database. Starting the script without arguments will launch it in the development environment.

To start the console, run rails console from the application directory.


  • Passing the -s, --sandbox argument will rollback any modifications made to the database.
  • Passing an environment name as an argument will load the corresponding environment. Example: rails console production.

To reload your controllers and models after launching the console run reload!

More information about irb can be found at: link:

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