spec-support-rake.rb

# frozen_string_literal: true

# This technique learned from https://www.eliotsykes.com/test-rails-rake-tasks-with-rspec .

require 'rake'
require 'active_support/concern'

module TaskExampleGroup
  extend ActiveSupport::Concern

  included do
    let(:task_name) { self.class.top_level_description.sub(/\Arake /, "") }
    let(:tasks) { Rake::Task }

    # Make the Rake task available as `task` in your examples:
    subject(:task) { tasks[task_name] }
  end
end


RSpec.configure do |config|
  # Tag Rake specs with `:rake` metadata or put them in the spec/lib/tasks directory
  config.define_derived_metadata(:file_path => %r{/spec/lib/tasks/}) do |metadata|
    metadata[:type] = :rake
  end

  config.include TaskExampleGroup, type: :rake

  config.before(:suite) do
    Rails.application.load_tasks
  end
end