require 'spec_helper'

module Gitlab::Markdown
  describe AutolinkFilter do
    include FilterSpecHelper

    let(:link) { 'http://about.gitlab.com/' }

    it 'does nothing when :autolink is false' do
      exp = act = link
      expect(filter(act, autolink: false).to_html).to eq exp
    end

    it 'does nothing with non-link text' do
      exp = act = 'This text contains no links to autolink'
      expect(filter(act).to_html).to eq exp
    end

    context 'Rinku schemes' do
      it 'autolinks http' do
        doc = filter("See #{link}")
        expect(doc.at_css('a').text).to eq link
        expect(doc.at_css('a')['href']).to eq link
      end

      it 'autolinks https' do
        link = 'https://google.com/'
        doc = filter("See #{link}")

        expect(doc.at_css('a').text).to eq link
        expect(doc.at_css('a')['href']).to eq link
      end

      it 'autolinks ftp' do
        link = 'ftp://ftp.us.debian.org/debian/'
        doc = filter("See #{link}")

        expect(doc.at_css('a').text).to eq link
        expect(doc.at_css('a')['href']).to eq link
      end

      it 'autolinks short URLs' do
        link = 'http://localhost:3000/'
        doc = filter("See #{link}")

        expect(doc.at_css('a').text).to eq link
        expect(doc.at_css('a')['href']).to eq link
      end

      it 'accepts link_attr options' do
        doc = filter("See #{link}", link_attr: { class: 'custom' })

        expect(doc.at_css('a')['class']).to eq 'custom'
      end

      described_class::IGNORE_PARENTS.each do |elem|
        it "ignores valid links contained inside '#{elem}' element" do
          exp = act = "<#{elem}>See #{link}</#{elem}>"
          expect(filter(act).to_html).to eq exp
        end
      end
    end

    context 'other schemes' do
      let(:link) { 'foo://bar.baz/' }

      it 'autolinks smb' do
        link = 'smb:///Volumes/shared/foo.pdf'
        doc = filter("See #{link}")

        expect(doc.at_css('a').text).to eq link
        expect(doc.at_css('a')['href']).to eq link
      end

      it 'autolinks irc' do
        link = 'irc://irc.freenode.net/git'
        doc = filter("See #{link}")

        expect(doc.at_css('a').text).to eq link
        expect(doc.at_css('a')['href']).to eq link
      end

      it 'does not include trailing punctuation' do
        doc = filter("See #{link}.")
        expect(doc.at_css('a').text).to eq link

        doc = filter("See #{link}, ok?")
        expect(doc.at_css('a').text).to eq link

        doc = filter("See #{link}...")
        expect(doc.at_css('a').text).to eq link
      end

      it 'does not include trailing HTML entities' do
        doc = filter("See &lt;&lt;&lt;#{link}&gt;&gt;&gt;")

        expect(doc.at_css('a')['href']).to eq link
        expect(doc.text).to eq "See <<<#{link}>>>"
      end

      it 'accepts link_attr options' do
        doc = filter("See #{link}", link_attr: { class: 'custom' })
        expect(doc.at_css('a')['class']).to eq 'custom'
      end

      described_class::IGNORE_PARENTS.each do |elem|
        it "ignores valid links contained inside '#{elem}' element" do
          exp = act = "<#{elem}>See #{link}</#{elem}>"
          expect(filter(act).to_html).to eq exp
        end
      end
    end
  end
end
