require "rails_helper"

RSpec.describe NotificationSubscription do
  let(:user) { create(:user) }
  let(:article) { create(:article, user: user) }
  let(:notification_subscription) { create(:notification_subscription, user: user, notifiable: article) }

  describe "validations" do
    describe "builtin validations" do
      subject(:subscription) { notification_subscription }

      it { is_expected.to belong_to(:notifiable) }
      it { is_expected.to belong_to(:user) }

      it do
        expect(subscription).to(
          validate_inclusion_of(:config).in_array(%w[all_comments top_level_comments only_author_comments]),
        )
      end

      it { is_expected.to validate_presence_of(:config) }
      it { is_expected.to validate_presence_of(:notifiable_type) }

      it { is_expected.to validate_uniqueness_of(:user_id).scoped_to(%i[notifiable_type notifiable_id]) }
    end

    describe "#notifiable_type" do
      it "is valid if equals to Article" do
        notification_subscription.notifiable_type = "Article"

        expect(notification_subscription).to be_valid
      end

      it "is valid if equals to Comment" do
        comment = create(:comment)
        notification_subscription.notifiable_id = comment.id
        notification_subscription.notifiable_type = "Comment"

        expect(notification_subscription).to be_valid
      end

      it "is is invalid with Podcast" do
        podcast = create(:podcast)
        notification_subscription.notifiable_id = podcast.id
        notification_subscription.notifiable_type = "Podcast"

        expect(notification_subscription).not_to be_valid
      end
    end
  end
end