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# frozen_string_literal: true
require 'spec_helper'
describe Banzai::Filter::FootnoteFilter do
include FilterSpecHelper
# first[^1] and second[^second]
# [^1]: one
# [^second]: two
let(:footnote) do
<<~EOF
<p>first<sup><a href="#fn1" id="fnref1">1</a></sup> and second<sup><a href="#fn2" id="fnref2">2</a></sup></p>
<ol>
<li id="fn1">
<p>one <a href="#fnref1">↩</a></p>
</li>
<li id="fn2">
<p>two <a href="#fnref2">↩</a></p>
</li>
</ol>
EOF
end
let(:filtered_footnote) do
<<~EOF
<p>first<sup class="footnote-ref"><a href="#fn1-#{identifier}" id="fnref1-#{identifier}">1</a></sup> and second<sup class="footnote-ref"><a href="#fn2-#{identifier}" id="fnref2-#{identifier}">2</a></sup></p>
<section class="footnotes"><ol>
<li id="fn1-#{identifier}">
<p>one <a href="#fnref1-#{identifier}" class="footnote-backref">↩</a></p>
</li>
<li id="fn2-#{identifier}">
<p>two <a href="#fnref2-#{identifier}" 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('fnref1-') }
it 'properly adds the necessary ids and classes' do
expect(doc.to_html).to eq filtered_footnote
end
end
end
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