declarative_authorization rspec matcher

gistfile1.rb

RSpec::Matchers.define :permit do |action|
  
  match do |object|
    read_user object

    permit?(action, user: @user, context: @object)
  end

  def read_user(object)
    return if @user
    
    if @user.kind_of? User
      @user = object
    else
      @user = User.current_user unless @user
    end
  end

  chain :to do |user|
    @user = user
  end

  chain :user do |user|
    @user = user
  end

  chain :object do |model|
    @object = model
  end
  
  chain :context do |model|
    @object = model
  end

  failure_message_for_should do |actual|
    "expected that user #{@user} permit to #{@action} to object #{@object}"
  end
end