MiniTest::Spec setup

custom_capybara_expectations.rb

# test/support/custom_capybara_expectations.rb
module CustomCapybaraExpectations
  def has_flash_message?(message)
    within '#flash' do
      has_content? message
    end
  end
end
Capybara::Session.send :include, CustomCapybaraExpectations
CustomCapybaraExpectations.public_instance_methods(false).each do |name|
  CapybaraMiniTestSpec::Matcher.new(name)
end

example_matchers.rb

page.must_have_content('Blog about this')

page.must_have_flash_message('Successfully created')
# and
page.wont_have_flash_message('There were errors')

minitest_spec_setup.rb

# test/test_helper.rb
require 'spork'

Spork.prefork do

  # Environment.
  ENV["RAILS_ENV"] = "test"
  require File.expand_path('../../config/environment', __FILE__)

  # MiniTest and Capybara.
  require 'minitest/autorun'
  require 'capybara/rails'

  # Require ruby files in support dir.
  Dir[File.expand_path('test/support/*.rb')].each { |file| require file }

  # Database cleaner.
  DatabaseCleaner.strategy = :truncation
  class MiniTest::Spec
    before :each do
      DatabaseCleaner.clean
    end
  end

  # If description name ends with 'integration', use this RequestSpec class.
  # It has all the integration test goodies.
  class RequestSpec < MiniTest::Spec
    include Rails.application.routes.url_helpers
    include Capybara::DSL
    include IntegrationHelpers
  end
  MiniTest::Spec.register_spec_type /integration$/i, RequestSpec

end

Spork.each_run do

  FactoryGirl.reload
  Rails.application.reload_routes!

end