How to run a single RSpec test?

Question

I have the following file:

/spec/controllers/groups_controller_spec.rb 

What command in terminal do I use to run just that spec and in what directory do I run the command?

My gem file:

# Test ENVIRONMENT GEMS group :development, :test do     gem "autotest"     gem "rspec-rails", "~> 2.4"     gem "cucumber-rails", ">=0.3.2"     gem "webrat", ">=0.7.2"     gem 'factory_girl_rails'     gem 'email_spec' end 

Spec file:

require 'spec_helper'  describe GroupsController do   include Devise::TestHelpers    describe "GET yourgroups" do     it "should be successful and return 3 items" do        Rails.logger.info 'HAIL MARRY'        get :yourgroups, :format => :json       response.should be_success       body = JSON.parse(response.body)       body.should have(3).items # @user1 has 3 permissions to 3 groups     end   end end 

Answer 1

Usually I do:

rspec ./spec/controllers/groups_controller_spec.rb:42 

Where 42 represents the line of the test I want to run.

EDIT1:

You could also use tags. See here.

EDIT 2:

Try:

bundle exec rspec ./spec/controllers/groups_controller_spec.rb:42 

Answer 2

With Rake:

rake spec SPEC=path/to/spec.rb 

(Credit goes to this answer. Go vote him up.)

EDIT (thanks to @cirosantilli): To run one specific scenario within the spec, you have to supply a regex pattern match that matches the description.

rake spec SPEC=path/to/spec.rb \           SPEC_OPTS="-e \"should be successful and return 3 items\""