Rakefile

require 'rubygems'
require 'bundler/setup'
require 'bundler/gem_tasks'

require 'rake'
require 'rspec/core/rake_task'

namespace :dummy do
  require_relative 'spec/dummy/config/application'
  Dummy::Application.load_tasks
end

APP_RAKEFILE = File.expand_path('../spec/dummy/Rakefile', __FILE__)
load 'rails/tasks/engine.rake'

Bundler::GemHelper.install_tasks

task default: :spec

RSpec::Core::RakeTask.new(:spec) do |spec|
  spec.pattern = 'spec/**/*_spec.rb'
end