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