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minitest-rails-shoulda

Make shoulda-matchers available for minitest-rails.

Installation

In Rails 3 and Bundler, add the following to your Gemfile:

group :test do
  gem "minitest-rails-shoulda"
end

Add the following to your test helper:

require "minitest/rails/shoulda"

Usage

ActiveRecord Matchers

Matchers to test associations:

describe Post do
  subject { Post.new }
  it { must belong_to(:user) }
  it { must have_many(:tags).through(:taggings) }
end

describe User do
  subject { User.new }
  it { must have_many(:posts) }
end

ActiveModel Matchers

Matchers to test validations and mass assignments:

describe Post do
  subject { Post.new }
  it { must validate_uniqueness_of(:title) }
  it { must validate_presence_of(:body).with_message(/wtf/) }
  it { must validate_presence_of(:title) }
  it { must validate_numericality_of(:user_id) }
end

describe User do
  subject { User.new }
  it { wont allow_value("blah").for(:email) }
  it { must allow_value("a@b.com").for(:email) }
  it { must ensure_inclusion_of(:age).in_range(1..100) }
  it { wont allow_mass_assignment_of(:password) }
end

ActionController Matchers

Matchers to test common patterns:

describe PostsController, "#show" do
  context "for a fictional user" do
    before do
      get :show, :id => 1
    end

    it { must assign_to(:user) }
    it { must respond_with(:success) }
    it { must render_template(:show) }
    it { wont set_the_flash }
  end
end

Contributors

  • Phil Cohen <github@phlippers.net>

  • Mike Moore <mike@blowmage.com>