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RSpec Rails 2.2
rspec-rails extends Rails' built-in testing framework to support rspec examples
for requests, controllers, models, views, and helpers.
rspec-rails-2 supports rails-3.0.0 and later. For earlier versions of Rails,
you need rspec-rails-1.3.
gem install rspec-rails
This installs the following gems:
rspec rspec-core rspec-expectations rspec-mocks rspec-rails
rspec-rails to the
:development groups in the Gemfile:
group :test, :development do gem "rspec-rails", "~> 2.0.1" end
It needs to be in the
:development group to expose generators and rake
tasks without having to type
Now you can run:
script/rails generate rspec:install
This adds the spec directory and some skeleton files, including
the "rake spec" task.
If you type
script/rails generate, the only RSpec generator you'll actually
rspec:install. That's because RSpec is registered with Rails as the
test framework, so whenever you generate application components like models,
controllers, etc, RSpec specs are generated instead of Test::Unit tests.
Note that the generators are there to help you get started, but they are no
substitute for writing your own examples, and they are only guaranteed to work
out of the box for the default scenario (
rspec:install generator creates an
./autotest/discover.rb file, which
tells Autotest that you're using RSpec and Rails. You'll also need to add the
autotest (not autotest-rails) gem to your Gemfile:
At this point, if all of the gems in your Gemfile are installed in system
gems, you can just type
autotest. If, however, Bundler is managing any gems
for you directly (i.e. you've got
:path attributes in the
you'll need to run
bundle exec autotest.
Webrat and Capybara
You can choose between webrat or capybara for simulating a browser, automating
a browser, or setting expectations using the matchers they supply. Just add
your preference to the Gemfile:
gem "webrat" gem "capybara"
Note that Capybara matchers are not available in view or helper specs.
The documentation for rspec-rails is a work in progress. We'll be adding
Cucumber features over time, and clarifying existing ones. If you have
specific features you'd like to see added, find the existing documentation
incomplete or confusing, or, better yet, wish to write a missing Cucumber
feature yourself, please submit an issue or a pull request.
Last published almost 4 years ago by dchelimsky.
RSpec Rails settings