require 'spec_helper' describe PostAnalyzer do let(:default_topic_id) { 12 } describe '#cook' do let(:post_analyzer) {PostAnalyzer.new nil, nil } let(:raw) { "Here's a tweet:\n#{url}" } let(:options) { {} } let(:args) { [raw, options] } let(:url) { 'https://twitter.com/evil_trout/status/345954894420787200' } before { Oneboxer.stubs(:onebox) } it 'fetches the cached onebox for any urls in the post' do Oneboxer.expects(:cached_onebox).with url post_analyzer.cook(*args) end it 'does not invalidate the onebox cache' do Oneboxer.expects(:invalidate).with(url).never post_analyzer.cook(*args) end context 'when invalidating oneboxes' do let(:options) {{ invalidate_oneboxes: true }} it 'invalidates the oneboxes for urls in the post' do Oneboxer.expects(:invalidate).with url post_analyzer.cook(*args) end end end context "links" do let(:raw_no_links) { "hello world my name is evil trout" } let(:raw_one_link_md) { "[jlawr](http://www.imdb.com/name/nm2225369)" } let(:raw_two_links_html) { "disney reddit"} let(:raw_three_links) { "http://discourse.org and http://discourse.org/another_url and http://www.imdb.com/name/nm2225369"} describe "raw_links" do it "returns a blank collection for a post with no links" do post_analyzer = PostAnalyzer.new(raw_no_links, default_topic_id) expect(post_analyzer.raw_links).to be_blank end it "finds a link within markdown" do post_analyzer = PostAnalyzer.new(raw_one_link_md, default_topic_id) expect(post_analyzer.raw_links).to eq(["http://www.imdb.com/name/nm2225369"]) end it "can find two links from html" do post_analyzer = PostAnalyzer.new(raw_two_links_html, default_topic_id) expect(post_analyzer.raw_links).to eq(["http://disneyland.disney.go.com/", "http://reddit.com"]) end it "can find three links without markup" do post_analyzer = PostAnalyzer.new(raw_three_links, default_topic_id) expect(post_analyzer.raw_links).to eq(["http://discourse.org", "http://discourse.org/another_url", "http://www.imdb.com/name/nm2225369"]) end end describe "linked_hosts" do it "returns blank with no links" do post_analyzer = PostAnalyzer.new(raw_no_links, default_topic_id) expect(post_analyzer.linked_hosts).to be_blank end it "returns the host and a count for links" do post_analyzer = PostAnalyzer.new(raw_two_links_html, default_topic_id) expect(post_analyzer.linked_hosts).to eq({"disneyland.disney.go.com" => 1, "reddit.com" => 1}) end it "it counts properly with more than one link on the same host" do post_analyzer = PostAnalyzer.new(raw_three_links, default_topic_id) expect(post_analyzer.linked_hosts).to eq({"discourse.org" => 1, "www.imdb.com" => 1}) end it 'returns blank for ipv6 output' do post_analyzer = PostAnalyzer.new('PING www.google.com(lb-in-x93.1e100.net) 56 data bytes', default_topic_id) expect(post_analyzer.linked_hosts).to be_blank end end end describe "image_count" do let(:raw_post_one_image_md) { "![sherlock](http://bbc.co.uk/sherlock.jpg)" } let(:raw_post_two_images_html) { " " } let(:raw_post_with_avatars) { 'smiley wink' } let(:raw_post_with_favicon) { '' } let(:raw_post_with_thumbnail) { '' } let(:raw_post_with_two_classy_images) { " " } it "returns 0 images for an empty post" do post_analyzer = PostAnalyzer.new("Hello world", nil) expect(post_analyzer.image_count).to eq(0) end it "finds images from markdown" do post_analyzer = PostAnalyzer.new(raw_post_one_image_md, default_topic_id) expect(post_analyzer.image_count).to eq(1) end it "finds images from HTML" do post_analyzer = PostAnalyzer.new(raw_post_two_images_html, default_topic_id) expect(post_analyzer.image_count).to eq(2) end it "doesn't count avatars as images" do post_analyzer = PostAnalyzer.new(raw_post_with_avatars, default_topic_id) expect(post_analyzer.image_count).to eq(0) end it "doesn't count favicons as images" do post_analyzer = PostAnalyzer.new(raw_post_with_favicon, default_topic_id) expect(post_analyzer.image_count).to eq(0) end it "doesn't count thumbnails as images" do post_analyzer = PostAnalyzer.new(raw_post_with_thumbnail, default_topic_id) expect(post_analyzer.image_count).to eq(0) end it "doesn't count whitelisted images" do Post.stubs(:white_listed_image_classes).returns(["classy"]) post_analyzer = PostAnalyzer.new(raw_post_with_two_classy_images, default_topic_id) expect(post_analyzer.image_count).to eq(0) end end describe "link_count" do let(:raw_post_one_link_md) { "[sherlock](http://www.bbc.co.uk/programmes/b018ttws)" } let(:raw_post_two_links_html) { "discourse twitter" } let(:raw_post_with_mentions) { "hello @novemberkilo how are you doing?" } it "returns 0 links for an empty post" do post_analyzer = PostAnalyzer.new("Hello world", nil) expect(post_analyzer.link_count).to eq(0) end it "returns 0 links for a post with mentions" do post_analyzer = PostAnalyzer.new(raw_post_with_mentions, default_topic_id) expect(post_analyzer.link_count).to eq(0) end it "finds links from markdown" do Oneboxer.stubs :onebox post_analyzer = PostAnalyzer.new(raw_post_one_link_md, default_topic_id) expect(post_analyzer.link_count).to eq(1) end it "finds links from HTML" do post_analyzer = PostAnalyzer.new(raw_post_two_links_html, default_topic_id) expect(post_analyzer.link_count).to eq(2) end end describe "raw_mentions" do it "returns an empty array with no matches" do post_analyzer = PostAnalyzer.new("Hello Jake and Finn!", default_topic_id) expect(post_analyzer.raw_mentions).to eq([]) end it "returns lowercase unique versions of the mentions" do post_analyzer = PostAnalyzer.new("@Jake @Finn @Jake", default_topic_id) expect(post_analyzer.raw_mentions).to eq(['jake', 'finn']) end it "ignores pre" do post_analyzer = PostAnalyzer.new("
@Jake
@Finn", default_topic_id) expect(post_analyzer.raw_mentions).to eq(['finn']) end it "catches content between pre tags" do post_analyzer = PostAnalyzer.new("
hello
@Finn
", default_topic_id)
      expect(post_analyzer.raw_mentions).to eq(['finn'])
    end

    it "ignores code" do
      post_analyzer = PostAnalyzer.new("@Jake `@Finn`", default_topic_id)
      expect(post_analyzer.raw_mentions).to eq(['jake'])
    end

    it "ignores code in markdown-formatted code blocks" do
      post_analyzer = PostAnalyzer.new("    @Jake @Finn\n@Ryan", default_topic_id)
      expect(post_analyzer.raw_mentions).to eq(['ryan'])
    end

    it "ignores quotes" do
      post_analyzer = PostAnalyzer.new("[quote=\"Evil Trout\"]@Jake[/quote] @Finn", default_topic_id)
      expect(post_analyzer.raw_mentions).to eq(['finn'])
    end

    it "handles underscore in username" do
      post_analyzer = PostAnalyzer.new("@Jake @Finn @Jake_Old", default_topic_id)
      expect(post_analyzer.raw_mentions).to eq(['jake', 'finn', 'jake_old'])
    end
  end
end