pubdit_matchers.rb

module PunditMatchers
  extend ::RSpec::Matchers::DSL

  matcher :permit do |action|
    match do |policy|
      policy.public_send("#{action}?")
    end

    failure_message_for_should do |policy|
      "Expected #{policy.class} to permit :#{action} on #{policy.record} for #{policy.user.inspect}."
    end

    failure_message_for_should_not do |policy|
      "Expected #{policy.class} to forbid :#{action} on #{policy.record} for #{policy.user.inspect}."
    end
  end
end

RSpec.configure do |c|
  c.include PunditMatchers, type: :policy
end