discourse/spec/serializers/topic_link_serializer_spec.rb

# frozen_string_literal: true

RSpec.describe TopicLinkSerializer do
  it "correctly serializes the topic link" do
    post = Fabricate(:post, raw: "https://meta.discourse.org/")
    TopicLink.extract_from(post)
    serialized = described_class.new(post.topic_links.first, root: false).as_json

    expect(serialized[:domain]).to eq("meta.discourse.org")
    expect(serialized[:root_domain]).to eq("discourse.org")
  end
end