debian-mirror-gitlab/spec/lib/banzai/pipeline/plain_markdown_pipeline_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Banzai::Pipeline::PlainMarkdownPipeline do
using RSpec::Parameterized::TableSyntax
describe 'backslash escapes' do
let_it_be(:project) { create(:project, :public) }
let_it_be(:issue) { create(:issue, project: project) }
def correct_html_included(markdown, expected)
result = described_class.call(markdown, {})
expect(result[:output].to_html).to include(expected)
result
end
describe 'CommonMark tests', :aggregate_failures do
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it 'converts all reference punctuation to literals' do
reference_chars = Banzai::Filter::MarkdownPreEscapeFilter::REFERENCE_CHARACTERS
markdown = reference_chars.split('').map {|char| char.prepend("\\") }.join
punctuation = Banzai::Filter::MarkdownPreEscapeFilter::REFERENCE_CHARACTERS.split('')
punctuation = punctuation.delete_if {|char| char == '&' }
punctuation << '&amp;'
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result = described_class.call(markdown, project: project)
output = result[:output].to_html
punctuation.each { |char| expect(output).to include("<span>#{char}</span>") }
expect(result[:escaped_literals]).to be_truthy
end
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it 'ensure we handle all the GitLab reference characters' do
reference_chars = ObjectSpace.each_object(Class).map do |klass|
next unless klass.included_modules.include?(Referable)
next unless klass.respond_to?(:reference_prefix)
next unless klass.reference_prefix.length == 1
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klass.reference_prefix
end.compact
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reference_chars.all? do |char|
Banzai::Filter::MarkdownPreEscapeFilter::REFERENCE_CHARACTERS.include?(char)
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end
end
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it 'does not convert non-reference punctuation to spans' do
markdown = %q(\"\'\*\+\,\-\.\/\:\;\<\=\>\?\[\]\_\`\{\|\}) + %q[\(\)\\\\]
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result = described_class.call(markdown, project: project)
output = result[:output].to_html
expect(output).not_to include('<span>')
expect(result[:escaped_literals]).to be_falsey
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end
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it 'does not convert other characters to literals' do
markdown = %q(\\A\a\ \3\φ\«)
expected = '\→\A\a\ \3\φ\«'
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result = correct_html_included(markdown, expected)
expect(result[:escaped_literals]).to be_falsey
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end
describe 'backslash escapes do not work in code blocks, code spans, autolinks, or raw HTML' do
where(:markdown, :expected) do
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%q(`` \@\! ``) | %q(<code>\@\!</code>)
%q( \@\!) | %Q(<code>\\@\\!\n</code>)
%Q(~~~\n\\@\\!\n~~~) | %Q(<code>\\@\\!\n</code>)
%q(<http://example.com?find=\@>) | %q(<a href="http://example.com?find=%5C@">http://example.com?find=\@</a>)
%q[<a href="/bar\@)">] | %q[<a href="/bar%5C@)">]
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end
with_them do
it { correct_html_included(markdown, expected) }
end
end
describe 'work in all other contexts, including URLs and link titles, link references, and info strings in fenced code blocks' do
where(:markdown, :expected) do
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%q![foo](/bar\@ "\@title")! | %q(<a href="/bar@" title="@title">foo</a>)
%Q![foo]\n\n[foo]: /bar\\@ "\\@title"! | %q(<a href="/bar@" title="@title">foo</a>)
%Q(``` foo\\@bar\nfoo\n```) | %Q(<code lang="foo@bar">foo\n</code>)
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end
with_them do
it { correct_html_included(markdown, expected) }
end
end
end
end
end