gitlab-org--gitlab-foss/spec/lib/banzai/filter/footnote_filter_spec.rb

91 lines
3.4 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Banzai::Filter::FootnoteFilter do
include FilterSpecHelper
using RSpec::Parameterized::TableSyntax
# rubocop:disable Style/AsciiComments
# first[^1] and second[^second] and third[^_😄_]
# [^1]: one
# [^second]: two
# [^_😄_]: three
# rubocop:enable Style/AsciiComments
let(:footnote) do
<<~EOF.strip_heredoc
<p>first<sup><a href="#fn-1" id="fnref-1" data-footnote-ref>1</a></sup> and second<sup><a href="#fn-second" id="fnref-second" data-footnote-ref>2</a></sup> and third<sup><a href="#fn-_%F0%9F%98%84_" id="fnref-_%F0%9F%98%84_" data-footnote-ref>3</a></sup></p>
<section data-footnotes>
<ol>
<li id="fn-1">
<p>one <a href="#fnref-1" aria-label="Back to content" data-footnote-backref>↩</a></p>
</li>
<li id="fn-second">
<p>two <a href="#fnref-second" aria-label="Back to content" data-footnote-backref></a></p>
</li>\n<li id="fn-_%F0%9F%98%84_">
<p>three <a href="#fnref-_%F0%9F%98%84_" aria-label="Back to content" data-footnote-backref>↩</a></p>
</li>
</ol>
EOF
end
let(:filtered_footnote) do
<<~EOF.strip_heredoc
<p>first<sup class="footnote-ref"><a href="#fn-1-#{identifier}" id="fnref-1-#{identifier}" data-footnote-ref>1</a></sup> and second<sup class="footnote-ref"><a href="#fn-second-#{identifier}" id="fnref-second-#{identifier}" data-footnote-ref>2</a></sup> and third<sup class="footnote-ref"><a href="#fn-_%F0%9F%98%84_-#{identifier}" id="fnref-_%F0%9F%98%84_-#{identifier}" data-footnote-ref>3</a></sup></p>
<section data-footnotes class=\"footnotes\">
<ol>
<li id="fn-1-#{identifier}">
<p>one <a href="#fnref-1-#{identifier}" aria-label="Back to content" data-footnote-backref class="footnote-backref"></a></p>
</li>
<li id="fn-second-#{identifier}">
<p>two <a href="#fnref-second-#{identifier}" aria-label="Back to content" data-footnote-backref class="footnote-backref">↩</a></p>
</li>
<li id="fn-_%F0%9F%98%84_-#{identifier}">
<p>three <a href="#fnref-_%F0%9F%98%84_-#{identifier}" aria-label="Back to content" data-footnote-backref class="footnote-backref"></a></p>
</li>
</ol>
</section>
EOF
end
context 'when footnotes exist' do
let(:doc) { filter(footnote) }
let(:link_node) { doc.css('sup > a').first }
let(:identifier) { link_node[:id].delete_prefix('fnref-1-') }
it 'properly adds the necessary ids and classes' do
expect(doc.to_html).to eq filtered_footnote.strip
end
context 'when GITLAB_TEST_FOOTNOTE_ID is set' do
let(:test_footnote_id) { '42' }
let(:identifier) { test_footnote_id }
before do
stub_env('GITLAB_TEST_FOOTNOTE_ID', test_footnote_id)
end
it 'uses the test footnote ID instead of a random number' do
expect(doc.to_html).to eq filtered_footnote.strip
end
end
end
context 'when detecting footnotes' do
where(:valid, :markdown) do
true | "1. one[^1]\n[^1]: AbC"
true | "1. one[^abc]\n[^abc]: AbC"
false | '1. [one](#fnref-abc)'
false | "1. one[^1]\n[^abc]: AbC"
end
with_them do
it 'detects valid footnotes' do
result = Banzai::Pipeline::FullPipeline.call(markdown, project: nil)
expect(result[:output].at_css('section.footnotes').present?).to eq(valid)
end
end
end
end