893 lines
27 KiB
Ruby
893 lines
27 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe 'Copy as GFM', :js do
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include MarkupHelper
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include RepoHelpers
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include ActionView::Helpers::JavaScriptHelper
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before do
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sign_in(create(:admin))
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end
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describe 'Copying rendered GFM' do
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before do
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@feat = MarkdownFeature.new
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# `markdown` helper expects a `@project` variable
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@project = @feat.project
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visit project_issue_path(@project, @feat.issue)
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end
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# The filters referenced in lib/banzai/pipeline/gfm_pipeline.rb transform GitLab Flavored Markdown (GFM) to HTML.
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# The nodes and marks referenced in app/assets/javascripts/behaviors/markdown/editor_extensions.js consequently transform that same HTML to GFM.
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# To make sure these filters and nodes/marks are properly aligned, this spec tests the GFM-to-HTML-to-GFM cycle
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# by verifying (`html_to_gfm(gfm_to_html(gfm)) == gfm`) for a number of examples of GFM for every filter, using the `verify` helper.
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# These are all in a single `it` for performance reasons.
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it 'works', :aggregate_failures do
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verify(
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'nesting',
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'> 1. [x] **[$`2 + 2`$ {-=-}{+=+} 2^2 ~~:thumbsup:~~](http://google.com)**'
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)
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verify(
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'a real world example from the gitlab-ce README',
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<<~GFM
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# GitLab
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[](https://gitlab.com/gitlab-org/gitlab-foss/commits/master)
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[](https://gitlab-org.gitlab.io/gitlab-ce/coverage-ruby)
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[](https://codeclimate.com/github/gitlabhq/gitlabhq)
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[](https://bestpractices.coreinfrastructure.org/projects/42)
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## Canonical source
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The canonical source of GitLab Community Edition is [hosted on GitLab.com](https://gitlab.com/gitlab-org/gitlab-foss/).
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## Open source software to collaborate on code
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To see how GitLab looks please see the [features page on our website](https://about.gitlab.com/features/).
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* Manage Git repositories with fine grained access controls that keep your code secure
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* Perform code reviews and enhance collaboration with merge requests
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* Complete continuous integration (CI) and CD pipelines to builds, test, and deploy your applications
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* Each project can also have an issue tracker, issue board, and a wiki
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* Used by more than 100,000 organizations, GitLab is the most popular solution to manage Git repositories on-premises
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* Completely free and open source (MIT Expat license)
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GFM
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)
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aggregate_failures('an accidentally selected empty element') do
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gfm = '# Heading1'
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html = <<~HTML
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<h1>Heading1</h1>
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<h2></h2>
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<blockquote></blockquote>
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<pre class="code highlight"></pre>
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HTML
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output_gfm = html_to_gfm(html)
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expect(output_gfm.strip).to eq(gfm.strip)
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end
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aggregate_failures('an accidentally selected other element') do
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gfm = 'Test comment with **Markdown!**'
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html = <<~HTML
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<li class="note">
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<div class="md">
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<p>
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Test comment with <strong>Markdown!</strong>
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</p>
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</div>
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</li>
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<li class="note"></li>
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HTML
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output_gfm = html_to_gfm(html)
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expect(output_gfm.strip).to eq(gfm.strip)
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end
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verify(
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'InlineDiffFilter',
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'{-Deleted text-}',
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'{+Added text+}'
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)
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verify(
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'TaskListFilter',
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<<~GFM,
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* [ ] Unchecked task
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* [x] Checked task
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GFM
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<<~GFM
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1. [ ] Unchecked ordered task
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1. [x] Checked ordered task
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GFM
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)
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verify(
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'ReferenceFilter',
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# issue reference
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@feat.issue.to_reference,
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# full issue reference
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@feat.issue.to_reference(full: true),
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# issue URL
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project_issue_url(@project, @feat.issue),
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# issue URL with note anchor
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project_issue_url(@project, @feat.issue, anchor: 'note_123'),
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# issue link
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"[Issue](#{project_issue_url(@project, @feat.issue)})",
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# issue link with note anchor
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"[Issue](#{project_issue_url(@project, @feat.issue, anchor: 'note_123')})"
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)
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verify(
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'AutolinkFilter',
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'https://example.com'
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)
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verify(
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'TableOfContentsFilter',
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<<~GFM,
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[[_TOC_]]
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# Heading 1
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## Heading 2
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GFM
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pipeline: :wiki,
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project_wiki: @project.wiki
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)
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verify(
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'EmojiFilter',
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':thumbsup:'
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)
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verify(
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'ImageLinkFilter',
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''
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)
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verify(
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'VideoLinkFilter',
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''
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)
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verify(
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'AudioLinkFilter',
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''
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)
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verify(
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'MathFilter: math as converted from GFM to HTML',
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'$`c = \pm\sqrt{a^2 + b^2}`$',
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# math block
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<<~GFM
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```math
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c = \pm\sqrt{a^2 + b^2}
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```
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GFM
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)
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aggregate_failures('MathFilter: math as transformed from HTML to KaTeX') do
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gfm = '$`c = \pm\sqrt{a^2 + b^2}`$'
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html = <<~HTML
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<span class="katex">
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<span class="katex-mathml">
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<math>
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<semantics>
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<mrow>
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<mi>c</mi>
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<mo>=</mo>
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<mo>±</mo>
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<msqrt>
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<mrow>
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<msup>
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<mi>a</mi>
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<mn>2</mn>
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</msup>
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<mo>+</mo>
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<msup>
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<mi>b</mi>
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<mn>2</mn>
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</msup>
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</mrow>
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</msqrt>
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</mrow>
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<annotation encoding="application/x-tex">c = \\pm\\sqrt{a^2 + b^2}</annotation>
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</semantics>
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</math>
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</span>
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<span class="katex-html" aria-hidden="true">
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<span class="strut" style="height: 0.913389em;"></span>
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<span class="strut bottom" style="height: 1.04em; vertical-align: -0.126611em;"></span>
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<span class="base textstyle uncramped">
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<span class="mord mathit">c</span>
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<span class="mrel">=</span>
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<span class="mord">±</span>
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<span class="sqrt mord"><span class="sqrt-sign" style="top: -0.073389em;">
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<span class="style-wrap reset-textstyle textstyle uncramped">√</span>
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</span>
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<span class="vlist">
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<span class="" style="top: 0em;">
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<span class="fontsize-ensurer reset-size5 size5">
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<span class="" style="font-size: 1em;"></span>
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</span>
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<span class="mord textstyle cramped">
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<span class="mord">
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<span class="mord mathit">a</span>
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<span class="msupsub">
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<span class="vlist">
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<span class="" style="top: -0.289em; margin-right: 0.05em;">
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<span class="fontsize-ensurer reset-size5 size5">
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<span class="" style="font-size: 0em;"></span>
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</span>
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<span class="reset-textstyle scriptstyle cramped">
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<span class="mord mathrm">2</span>
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</span>
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</span>
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<span class="baseline-fix">
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<span class="fontsize-ensurer reset-size5 size5">
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<span class="" style="font-size: 0em;"></span>
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</span>
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</span>
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</span>
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</span>
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</span>
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<span class="mbin">+</span>
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<span class="mord">
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<span class="mord mathit">b</span>
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<span class="msupsub">
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<span class="vlist">
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<span class="" style="top: -0.289em; margin-right: 0.05em;">
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<span class="fontsize-ensurer reset-size5 size5">
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<span class="" style="font-size: 0em;"></span>
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</span>
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<span class="reset-textstyle scriptstyle cramped">
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<span class="mord mathrm">2</span>
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</span>
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</span>
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<span class="baseline-fix">
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<span class="fontsize-ensurer reset-size5 size5">
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<span class="" style="font-size: 0em;"></span>
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</span>
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</span>
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</span>
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</span>
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</span>
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</span>
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</span>
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<span class="" style="top: -0.833389em;">
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<span class="fontsize-ensurer reset-size5 size5">
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<span class="" style="font-size: 1em;"></span>
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</span>
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<span class="reset-textstyle textstyle uncramped sqrt-line"></span>
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</span>
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<span class="baseline-fix">
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<span class="fontsize-ensurer reset-size5 size5">
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<span class="" style="font-size: 1em;"></span>
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</span>
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</span>
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</span>
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</span>
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</span>
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</span>
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</span>
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HTML
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output_gfm = html_to_gfm(html)
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expect(output_gfm.strip).to eq(gfm.strip)
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end
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verify(
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'MermaidFilter: mermaid as converted from GFM to HTML',
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<<~GFM
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```mermaid
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graph TD;
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A-->B;
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```
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GFM
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)
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aggregate_failures('MermaidFilter: mermaid as transformed from HTML to SVG') do
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gfm = <<~GFM
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```mermaid
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graph TD;
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A-->B;
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```
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GFM
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html = <<~HTML
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<svg id="mermaidChart1" xmlns="http://www.w3.org/2000/svg" height="100%" viewBox="0 0 87.234375 174" style="max-width:87.234375px;" class="mermaid">
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<style>
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.mermaid {
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/* Flowchart variables */
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/* Sequence Diagram variables */
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/* Gantt chart variables */
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/** Section styling */
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/* Grid and axis */
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/* Today line */
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/* Task styling */
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/* Default task */
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/* Specific task settings for the sections*/
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/* Active task */
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/* Completed task */
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/* Tasks on the critical line */
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}
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</style>
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<g>
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<g class="output">
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<g class="clusters"></g>
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<g class="edgePaths">
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<g class="edgePath" style="opacity: 1;">
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<path class="path" d="M33.6171875,52L33.6171875,77L33.6171875,102" marker-end="url(#arrowhead65)" style="fill:none"></path>
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<defs>
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<marker id="arrowhead65" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto">
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<path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath" style="stroke-width: 1; stroke-dasharray: 1, 0;"></path>
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</marker>
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</defs>
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</g>
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</g>
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<g class="edgeLabels">
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<g class="edgeLabel" style="opacity: 1;" transform="">
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<g transform="translate(0,0)" class="label">
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<foreignObject width="0" height="0">
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<div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">
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<span class="edgeLabel"></span>
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</div>
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</foreignObject>
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</g>
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</g>
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</g>
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<g class="nodes">
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<g class="node" id="A" transform="translate(33.6171875,36)" style="opacity: 1;">
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<rect rx="0" ry="0" x="-13.6171875" y="-16" width="27.234375" height="32"></rect>
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<g class="label" transform="translate(0,0)">
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<g transform="translate(-3.6171875,-6)">
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<foreignObject width="7.234375" height="12">
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<div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">A</div>
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</foreignObject>
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</g>
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</g>
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</g>
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<g class="node" id="B" transform="translate(33.6171875,118)" style="opacity: 1;">
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<rect rx="0" ry="0" x="-13.6171875" y="-16" width="27.234375" height="32">
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</rect>
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<g class="label" transform="translate(0,0)">
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<g transform="translate(-3.6171875,-6)">
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<foreignObject width="7.234375" height="12">
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<div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">B</div>
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</foreignObject>
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</g>
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</g>
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</g>
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</g>
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</g>
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</g>
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<text class="source" display="none">graph TD;
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A-->B;</text>
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</svg>
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HTML
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output_gfm = html_to_gfm(html)
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expect(output_gfm.strip).to eq(gfm.strip)
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end
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verify(
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'SuggestionFilter: suggestion as converted from GFM to HTML',
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<<~GFM
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```suggestion
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New
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And newer
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```
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GFM
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)
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aggregate_failures('SuggestionFilter: suggestion as transformed from HTML to Vue component') do
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gfm = <<~GFM
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```suggestion
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New
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And newer
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```
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GFM
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html = <<~HTML
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<div class="md-suggestion">
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<div class="md-suggestion-header border-bottom-0 mt-2 qa-suggestion-diff-header js-suggestion-diff-header">
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<div class="qa-suggestion-diff-header js-suggestion-diff-header font-weight-bold">
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Suggested change
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<a href="/gitlab/help/user/discussions/index.md#suggest-changes" aria-label="Help" class="js-help-btn">
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<svg aria-hidden="true" class="s16 ic-question-o link-highlight">
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<use xlink:href="/gitlab/assets/icons.svg#question-o"></use>
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</svg>
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</a>
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</div>
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<!---->
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<button type="button" class="btn qa-apply-btn js-apply-btn">Apply suggestion</button>
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</div>
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<table class="mb-3 md-suggestion-diff js-syntax-highlight code white">
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<tbody>
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<tr class="line_holder old">
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<td class="diff-line-num old_line qa-old-diff-line-number old">9</td>
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<td class="diff-line-num new_line old"></td>
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<td class="line_content old"><span>Old
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</span></td>
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</tr>
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<tr class="line_holder new">
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<td class="diff-line-num old_line new"></td>
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<td class="diff-line-num new_line qa-new-diff-line-number new">9</td>
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<td class="line_content new"><span>New
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</span></td>
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</tr>
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<tr class="line_holder new">
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<td class="diff-line-num old_line new"></td>
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<td class="diff-line-num new_line qa-new-diff-line-number new">10</td>
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<td class="line_content new"><span> And newer
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</span></td>
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</tr>
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</tbody>
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</table>
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</div>
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HTML
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output_gfm = html_to_gfm(html)
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expect(output_gfm.strip).to eq(gfm.strip)
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end
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verify(
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'SanitizationFilter',
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<<~GFM
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<sub>sub</sub>
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<dl>
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<dt>dt</dt>
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<dt>dt</dt>
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<dd>dd</dd>
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<dd>dd</dd>
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<dt>dt</dt>
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<dt>dt</dt>
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<dd>dd</dd>
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<dd>dd</dd>
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</dl>
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<kbd>kbd</kbd>
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<q>q</q>
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<samp>samp</samp>
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<var>var</var>
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<abbr title="HyperText "Markup" Language">HTML</abbr>
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<details>
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<summary>summary></summary>
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details
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</details>
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GFM
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)
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verify(
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'SanitizationFilter',
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<<~GFM,
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```
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Plain text
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```
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GFM
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<<~GFM,
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```ruby
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def foo
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bar
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end
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```
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GFM
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<<~GFM
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Foo
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```js
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Code goes here
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```
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GFM
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)
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verify(
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'MarkdownFilter',
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"Line with two spaces at the end \nto insert a linebreak",
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'`code`',
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'`` code with ` ticks ``',
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'> Quote',
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# multiline quote
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<<~GFM,
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> Multiline Quote
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>
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> With multiple paragraphs
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GFM
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'',
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'# Heading with no anchor link',
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'[Link](https://example.com)',
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<<~GFM,
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* List item
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* List item 2
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GFM
|
||
|
||
# multiline list item
|
||
<<~GFM,
|
||
* Multiline
|
||
|
||
List item
|
||
GFM
|
||
|
||
# nested lists
|
||
<<~GFM,
|
||
* Nested
|
||
* Lists
|
||
GFM
|
||
|
||
# list with blockquote
|
||
<<~GFM,
|
||
* List
|
||
|
||
> Blockquote
|
||
GFM
|
||
|
||
<<~GFM,
|
||
1. Ordered list item
|
||
1. Ordered list item 2
|
||
GFM
|
||
|
||
# multiline ordered list item
|
||
<<~GFM,
|
||
1. Multiline
|
||
|
||
Ordered list item
|
||
GFM
|
||
|
||
# nested ordered list
|
||
<<~GFM,
|
||
1. Nested
|
||
1. Ordered lists
|
||
GFM
|
||
|
||
# list item followed by an HR
|
||
<<~GFM,
|
||
* list item
|
||
|
||
---
|
||
GFM
|
||
|
||
'# Heading',
|
||
'## Heading',
|
||
'### Heading',
|
||
'#### Heading',
|
||
'##### Heading',
|
||
'###### Heading',
|
||
|
||
'**Bold**',
|
||
|
||
'*Italics*',
|
||
|
||
'~~Strikethrough~~',
|
||
|
||
'---',
|
||
|
||
# table
|
||
<<~GFM,
|
||
| Centered | Right | Left |
|
||
|:--------:|------:|------|
|
||
| Foo | Bar | **Baz** |
|
||
| Foo | Bar | **Baz** |
|
||
GFM
|
||
|
||
# table with empty heading
|
||
<<~GFM,
|
||
| | x | y |
|
||
|--|---|---|
|
||
| a | 1 | 0 |
|
||
| b | 0 | 1 |
|
||
GFM
|
||
)
|
||
end
|
||
|
||
alias_method :gfm_to_html, :markdown
|
||
|
||
def verify(label, *gfms)
|
||
markdown_options = gfms.extract_options!
|
||
|
||
aggregate_failures(label) do
|
||
gfms.each do |gfm|
|
||
html = gfm_to_html(gfm, markdown_options).gsub(/\A
|
\z/, '')
|
||
output_gfm = html_to_gfm(html)
|
||
expect(output_gfm.strip).to eq(gfm.strip)
|
||
end
|
||
end
|
||
end
|
||
|
||
# Fake a `current_user` helper
|
||
def current_user
|
||
@feat.user
|
||
end
|
||
end
|
||
|
||
describe 'Copying code' do
|
||
let(:project) { create(:project, :repository) }
|
||
|
||
context 'from a diff' do
|
||
shared_examples 'copying code from a diff' do
|
||
context 'selecting one word of text' do
|
||
it 'copies as inline code' do
|
||
verify(
|
||
'[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"] .line .no',
|
||
|
||
'`RuntimeError`',
|
||
|
||
target: '[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"]'
|
||
)
|
||
end
|
||
end
|
||
|
||
context 'selecting one line of text' do
|
||
it 'copies as inline code' do
|
||
verify(
|
||
'[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"]',
|
||
|
||
'`raise RuntimeError, "System commands must be given as an array of strings"`',
|
||
|
||
target: '[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"]'
|
||
)
|
||
end
|
||
end
|
||
|
||
context 'selecting multiple lines of text' do
|
||
it 'copies as a code block' do
|
||
verify(
|
||
'[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"], [id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_10"]',
|
||
|
||
<<~GFM,
|
||
```ruby
|
||
raise RuntimeError, "System commands must be given as an array of strings"
|
||
end
|
||
```
|
||
GFM
|
||
|
||
target: '[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"]'
|
||
)
|
||
end
|
||
end
|
||
end
|
||
|
||
context 'inline diff' do
|
||
before do
|
||
visit project_commit_path(project, sample_commit.id, view: 'inline')
|
||
end
|
||
|
||
it_behaves_like 'copying code from a diff'
|
||
end
|
||
|
||
context 'parallel diff' do
|
||
before do
|
||
visit project_commit_path(project, sample_commit.id, view: 'parallel')
|
||
end
|
||
|
||
it_behaves_like 'copying code from a diff'
|
||
|
||
context 'selecting code on the left' do
|
||
it 'copies as a code block' do
|
||
verify(
|
||
'[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_8_8"], [id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_9_9"], [id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"], [id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_10"]',
|
||
|
||
<<~GFM,
|
||
```ruby
|
||
unless cmd.is_a?(Array)
|
||
raise "System commands must be given as an array of strings"
|
||
end
|
||
```
|
||
GFM
|
||
|
||
target: '[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_8_8"].left-side'
|
||
)
|
||
end
|
||
end
|
||
|
||
context 'selecting code on the right' do
|
||
it 'copies as a code block' do
|
||
verify(
|
||
'[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_8_8"], [id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_9_9"], [id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9"], [id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_10"]',
|
||
|
||
<<~GFM,
|
||
```ruby
|
||
unless cmd.is_a?(Array)
|
||
raise RuntimeError, "System commands must be given as an array of strings"
|
||
end
|
||
```
|
||
GFM
|
||
|
||
target: '[id="2f6fcd96b88b36ce98c38da085c795a27d92a3dd_8_8"].right-side'
|
||
)
|
||
end
|
||
end
|
||
end
|
||
end
|
||
|
||
context 'from a blob' do
|
||
before do
|
||
visit project_blob_path(project, File.join('master', 'files/ruby/popen.rb'))
|
||
wait_for_requests
|
||
end
|
||
|
||
context 'selecting one word of text' do
|
||
it 'copies as inline code' do
|
||
verify(
|
||
'.line[id="LC9"] .no',
|
||
|
||
'`RuntimeError`'
|
||
)
|
||
end
|
||
end
|
||
|
||
context 'selecting one line of text' do
|
||
it 'copies as inline code' do
|
||
verify(
|
||
'.line[id="LC9"]',
|
||
|
||
'`raise RuntimeError, "System commands must be given as an array of strings"`'
|
||
)
|
||
end
|
||
end
|
||
|
||
context 'selecting multiple lines of text' do
|
||
it 'copies as a code block' do
|
||
verify(
|
||
'.line[id="LC9"], .line[id="LC10"]',
|
||
|
||
<<~GFM,
|
||
```ruby
|
||
raise RuntimeError, "System commands must be given as an array of strings"
|
||
end
|
||
```
|
||
GFM
|
||
)
|
||
end
|
||
end
|
||
end
|
||
|
||
context 'from a GFM code block' do
|
||
before do
|
||
visit project_blob_path(project, File.join('markdown', 'doc/api/users.md'))
|
||
wait_for_requests
|
||
end
|
||
|
||
context 'selecting one word of text' do
|
||
it 'copies as inline code' do
|
||
verify(
|
||
'.line[id="LC27"] .nl',
|
||
|
||
'`"bio"`'
|
||
)
|
||
end
|
||
end
|
||
|
||
context 'selecting one line of text' do
|
||
it 'copies as inline code' do
|
||
verify(
|
||
'.line[id="LC27"]',
|
||
|
||
'`"bio": null,`'
|
||
)
|
||
end
|
||
end
|
||
|
||
context 'selecting multiple lines of text' do
|
||
it 'copies as a code block with the correct language' do
|
||
verify(
|
||
'.line[id="LC27"], .line[id="LC28"]',
|
||
|
||
<<~GFM,
|
||
```json
|
||
"bio": null,
|
||
"skype": "",
|
||
```
|
||
GFM
|
||
)
|
||
end
|
||
end
|
||
end
|
||
|
||
def verify(selector, gfm, target: nil)
|
||
html = html_for_selector(selector)
|
||
output_gfm = html_to_gfm(html, 'transformCodeSelection', target: target)
|
||
wait_for_requests
|
||
expect(output_gfm.strip).to eq(gfm.strip)
|
||
end
|
||
end
|
||
|
||
def html_for_selector(selector)
|
||
js = <<~JS
|
||
(function(selector) {
|
||
var els = document.querySelectorAll(selector);
|
||
var htmls = [].slice.call(els).map(function(el) { return el.outerHTML; });
|
||
return htmls.join("\\n");
|
||
})("#{escape_javascript(selector)}")
|
||
JS
|
||
page.evaluate_script(js)
|
||
end
|
||
|
||
def html_to_gfm(html, transformer = 'transformGFMSelection', target: nil)
|
||
js = <<~JS
|
||
(function(html) {
|
||
// Setting it off so the import already starts
|
||
window.CopyAsGFM.nodeToGFM(document.createElement('div'));
|
||
|
||
var transformer = window.CopyAsGFM[#{transformer.inspect}];
|
||
|
||
var node = document.createElement('div');
|
||
$(html).each(function() { node.appendChild(this) });
|
||
|
||
var targetSelector = #{target.to_json};
|
||
var target;
|
||
if (targetSelector) {
|
||
target = document.querySelector(targetSelector);
|
||
}
|
||
|
||
node = transformer(node, target);
|
||
if (!node) return null;
|
||
|
||
|
||
window.gfmCopytestRes = null;
|
||
window.CopyAsGFM.nodeToGFM(node)
|
||
.then((res) => {
|
||
window.gfmCopytestRes = res;
|
||
});
|
||
})("#{escape_javascript(html)}")
|
||
JS
|
||
page.execute_script(js)
|
||
|
||
loop until page.evaluate_script('window.gfmCopytestRes !== null')
|
||
|
||
page.evaluate_script('window.gfmCopytestRes')
|
||
end
|
||
end
|