Last Update: Fri Apr 10 16:00:19 +0200 2009

Remarkable 3.0

Remarkable is a framework for rspec matchers that supports macros and I18n. It‘s constituted of three pieces:

  • Remarkable: the framework with helpers, DSL, I18n and rspec features;
  • Remarkable ActiveRecord: a collection of matchers for ActiveRecord. It supports all ActiveRecord validations, associations and some extra matchers.
  • Remarkable Rails: a collection of matchers for ActionController. It also includes MacroStubs, which is a clean DSL for stubbing your controller methods.

In each folder above, you can find a README more detailed description of each piece.

Why use Remarkable for Rails?

  • The only one with matchers for all ActiveRecord validations, with support to all options;
  • Matchers for all ActiveRecord associations. The only one which supports all these options:
      :through, :class_name, :foreign_key, :dependent, :join_table, :uniq,
      :readonly, :validate, :autosave, :counter_cache, :polymorphic

    Besides in Remarkable 3.0 matchers became much smarter. Whenever :join_table or :through is given as option, it checks if the given table exists. Whenever :foreign_key or :counter_cache is given, it checks if the given column exists;

  • ActionController matchers:
      :assign_to, :filter_params, :redirect_to, :render_with_layout, :respond_with,
      :render_template, :route, :set_session and :set_the_flash;
  • Macro stubs: make your controllers specs easier to main, more readable and DRY;
  • Tests and more tests. We have a huge tests suite ready to run and tested in Rails 2.1.2, 2.2.2 and 2.3.2;
  • I18n and great documentation.
  • It has your style. You can choose between:
    1. it { should validate_numericality_of(:age, :greater_than => 18, :only_integer => true) }
    2. it { should validate_numericality_of(:age).greater_than(18).only_integer }
    3. should_validate_numericality_of :age, :greater_than => 18, :only_integer => true
    4. should_validate_numericality_of :age do |m|
        m.greater_than 18
        # Or: m.greater_than = 18

Remarkable Rails requires rspec >= 1.2.0 and rspec-rails >= 1.2.0.

Install on Rails

Install the gem:

  sudo gem install remarkable_rails

This will install remarkable, remarkable_activerecord and remarkable_rails gems.

Inside Rails you need to require just this gem. If you are using ActiveRecord, it will automatically require the remarkable_activerecord gem.

Rails 2.3

In Rails 2.3, in order to rspec load properly, you have to use this configuration on your config/environments/test.rb

  config.gem "rspec",            :lib => false
  config.gem "rspec-rails",      :lib => false
  config.gem "remarkable_rails", :lib => false

And then require remarkable inside your spec_helper.rb, after "spec/rails":

  require 'spec/rails'
  require 'remarkable_rails'

This is the safest way to avoid conflicts.

Users who are upgrading to Remarkable 3.0, should not find any problem if their tests are running without deprecation warnings.


If you are developing matchers, for example hpricot matchers, you need to install only the remarkable "core" gem:

  sudo gem install remarkable

If you stumble into any problem or have doubts while building your matchers, please drop us a line. We are currently searching for people who wants to join us and provide matchers for Datamapper, Sequel, Sinatra and all other possible options. :)

More information

Google group: Bug tracking:


All projects are under MIT LICENSE.