MiniTest::Spec with Rails 3.2 setup

test_helper.rb

ENV["RAILS_ENV"] = "test"
require File.expand_path('../../config/environment', __FILE__)
require 'rails/test_help'
require 'minitest/autorun'
require 'minitest/pride'
require 'capybara/rails'


class MiniTest::Spec
  include ActiveSupport::Testing::SetupAndTeardown
  include ActiveSupport::Testing::Assertions
  include ActiveRecord::TestFixtures

  alias :method_name :__name__ if defined? :__name__
  self.fixture_path = File.join( Rails.root, 'test', 'fixtures' )

  class << self
    alias :context :describe
  end

  # cf: https://github.com/blowmage/minitest-rails/issues/12
  def build_message(*args)
    args[1].gsub(/\?/, '%s') % args[2..-1]
  end
end


class ControllerSpec < MiniTest::Spec
  include Rails.application.routes.url_helpers
  include ActionController::TestCase::Behavior

  # Rails 3.2 determines the controller class by matching class names that end in Test
  # This overides the #determine_default_controller_class method to allow you use Controller
  # class names in your describe argument
  # cf: https://github.com/rawongithub/minitest-rails/blob/gemspec/lib/minitest/rails/controller.rb
  def self.determine_default_controller_class(name)
    if name.match(/.*(?:^|::)(\w+Controller)/)
      $1.safe_constantize
    else
      super(name)
    end
  end

  before do
    @controller = self.class.name.match(/((.*)Controller)/)[1].constantize.new
    @routes = Rails.application.routes
  end

  subject do
    @controller
  end
end

# Functional tests = describe ***Controller
MiniTest::Spec.register_spec_type( /Controller$/, ControllerSpec )


class AcceptanceSpec < MiniTest::Spec
  include Rails.application.routes.url_helpers
  include Capybara::DSL

  before do
    @routes = Rails.application.routes
  end
end

# Integration/Acceptance tests = describe '*** Integration'
MiniTest::Spec.register_spec_type( /Integration$/, AcceptanceSpec )

class HelperTest < MiniTest::Spec
  include ActionView::TestCase::Behavior
end

# Helper tests = describe '*** Helper'
MiniTest::Spec.register_spec_type( /Helper$/, HelperTest )