discourse/plugins/discourse-rss-polling/spec/models/feed_item_spec.rb

# frozen_string_literal: true

require "rss"

RSpec.describe DiscourseRssPolling::FeedItem do
  RSpec.shared_examples "correctly parses the feed" do |**expected|
    let(:feed_item) { DiscourseRssPolling::FeedItem.new(raw_feed_item) }

    it { expect(feed_item.content).to eq(expected[:content]) }
    it { expect(feed_item.url).to eq(expected[:url]) }
    it { expect(feed_item.title).to eq(expected[:title]) }

    it { expect(feed_item.categories).to eq(expected[:categories]) } if expected.key?(:categories)
  end

  context "with empty item" do
    let(:raw_feed_item) { {} }
    include_examples("correctly parses the feed", content: nil, url: nil, title: nil)
  end

  context "with RSS item" do
    let(:feed) { RSS::Parser.parse(file_from_fixtures("feed.rss", "feed")) }
    let(:raw_feed_item) { feed.items.first }

    include_examples(
      "correctly parses the feed",
      content: "<p>This is the body &amp; content. </p>",
      url: "https://blog.discourse.org/2017/09/poll-feed-spec-fixture/",
      title: "Poll Feed Spec Fixture",
    )
  end

  context "with escaped title" do
    let(:raw_feed) { rss_polling_file_fixture("escaped_html.atom").read }
    let(:feed) { RSS::Parser.parse(raw_feed) }
    let(:raw_feed_item) { feed.entries.first }

    include_examples(
      "correctly parses the feed",
      content: "Here are some random descriptions...",
      url: "https://blog.discourse.org/2017/09/poll-feed-spec-fixture/",
      title: "Wellington: “Progress is hard!” Other cities: “Hold my beer”",
    )
  end

  context "with ATOM item with content element" do
    let(:feed) { RSS::Parser.parse(file_from_fixtures("feed.atom", "feed")) }
    let(:raw_feed_item) { feed.entries.first }

    include_examples(
      "correctly parses the feed",
      content: "<p>This is the body &amp; content. </p>",
      url: "https://blog.discourse.org/2017/09/poll-feed-spec-fixture/",
      title: "Poll Feed Spec Fixture",
    )
  end

  context "with ATOM item with summary element" do
    let(:raw_feed) { rss_polling_file_fixture("no_content_only_summary.atom").read }
    let(:feed) { RSS::Parser.parse(raw_feed) }
    let(:raw_feed_item) { feed.entries.first }

    include_examples(
      "correctly parses the feed",
      content: "Here are some random descriptions...",
      url: "https://blog.discourse.org/2017/09/poll-feed-spec-fixture/",
      title: "Poll Feed Spec Fixture",
    )
  end

  context "with ATOM items with categories elements" do
    let(:raw_feed) { rss_polling_file_fixture("multiple_categories.atom").read }
    let(:feed) { RSS::Parser.parse(raw_feed, false) }
    let(:raw_feed_item) { feed.entries.first }

    include_examples(
      "correctly parses the feed",
      content: "Here are some random descriptions...",
      url: "https://blog.discourse.org/2017/09/poll-feed-spec-fixture/",
      title: "Poll Feed Spec Fixture",
      categories: ["spec", "xrav3nz diary"],
    )
  end

  context "with Youtube playlist" do
    let(:raw_feed) { rss_polling_file_fixture("youtube_playlist.xml").read }
    let(:feed) { RSS::Parser.parse(raw_feed, false) }
    let(:raw_feed_item) { feed.entries.first }

    include_examples(
      "correctly parses the feed",
      content: "https://www.youtube.com/watch?v=K56soYl0U1w",
      url: "https://www.youtube.com/watch?v=K56soYl0U1w",
      title: "The Ramones - Blitzkrieg Bop (With Lyrics)",
    )
  end

  context "with youtube channel" do
    let(:raw_feed) { rss_polling_file_fixture("youtube_channel.xml").read }
    let(:feed) { RSS::Parser.parse(raw_feed, false) }
    let(:raw_feed_item) { feed.entries.first }

    include_examples(
      "correctly parses the feed",
      content: "https://www.youtube.com/watch?v=peYYl2vrIt4",
      url: "https://www.youtube.com/watch?v=peYYl2vrIt4",
      title: "An Uncontroversial Opinion – AMD RX 6600 XT Announcement",
    )
  end
end