gitlab-org--gitlab-foss/spec/lib/gitlab/asciidoc_spec.rb

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require 'spec_helper'
require 'nokogiri'
module Gitlab
describe Asciidoc do
let(:input) { '<b>ascii</b>' }
let(:context) { {} }
let(:html) { 'H<sub>2</sub>O' }
context "without project" do
before do
allow_any_instance_of(ApplicationSetting).to receive(:current).and_return(::ApplicationSetting.create_from_defaults)
end
it "converts the input using Asciidoctor and default options" do
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expected_asciidoc_opts = {
safe: :secure,
backend: :gitlab_html5,
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attributes: described_class::DEFAULT_ADOC_ATTRS
}
expect(Asciidoctor).to receive(:convert)
.with(input, expected_asciidoc_opts).and_return(html)
expect(render(input, context)).to eq(html)
end
context "with asciidoc_opts" do
it "merges the options with default ones" do
expected_asciidoc_opts = {
safe: :secure,
backend: :gitlab_html5,
attributes: described_class::DEFAULT_ADOC_ATTRS
}
expect(Asciidoctor).to receive(:convert)
.with(input, expected_asciidoc_opts).and_return(html)
render(input, context)
end
end
context "XSS" do
links = {
'links' => {
input: 'link:mylink"onmouseover="alert(1)[Click Here]',
output: "<div>\n<p><a href=\"mylink\">Click Here</a></p>\n</div>"
},
'images' => {
input: 'image:https://localhost.com/image.png[Alt text" onerror="alert(7)]',
output: "<img src=\"https://localhost.com/image.png\" alt=\"Alt text\">"
},
'pre' => {
input: '```mypre"><script>alert(3)</script>',
output: "<div>\n<div>\n<pre lang=\"mypre\">\"&gt;<code></code></pre>\n</div>\n</div>"
}
}
links.each do |name, data|
it "does not convert dangerous #{name} into HTML" do
expect(render(data[:input], context)).to include(data[:output])
end
end
end
context 'external links' do
it 'adds the `rel` attribute to the link' do
output = render('link:https://google.com[Google]', context)
expect(output).to include('rel="nofollow noreferrer noopener"')
end
end
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context 'LaTex code' do
it 'adds class js-render-math to the output' do
input = <<~MD
:stem: latexmath
[stem]
++++
\sqrt{4} = 2
++++
another part
[latexmath]
++++
\beta_x \gamma
++++
stem:[2+2] is 4
MD
expect(render(input, context)).to include('<pre data-math-style="display" class="code math js-render-math"><code>eta_x gamma</code></pre>')
expect(render(input, context)).to include('<p><code data-math-style="inline" class="code math js-render-math">2+2</code> is 4</p>')
end
end
end
def render(*args)
described_class.render(*args)
end
end
end