787 lines
24 KiB
Ruby
787 lines
24 KiB
Ruby
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 convert GitLab Flavored Markdown (GFM) to HTML.
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# The handlers defined in app/assets/javascripts/behaviors/markdown/copy_as_gfm.js consequently convert that same HTML to GFM.
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# To make sure these filters and handlers 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.strip_heredoc
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# GitLab
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[](https://gitlab.com/gitlab-org/gitlab-ce/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-ce/).
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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.strip_heredoc
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<h1>Heading1</h1>
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<h2></h2>
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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.strip_heredoc
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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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'- [ ] Unchecked task',
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'- [x] Checked task',
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'1. [ ] Unchecked numbered task',
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'1. [x] Checked numbered task'
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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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'[[_TOC_]]'
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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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'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.strip_heredoc
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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.strip_heredoc
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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>
|
||
</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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||
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<<-GFM.strip_heredoc
|
||
```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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aggregate_failures('MermaidFilter: mermaid as transformed from HTML to SVG') do
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gfm = <<-GFM.strip_heredoc
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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.strip_heredoc
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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>
|
||
.mermaid {
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||
/* Flowchart variables */
|
||
/* Sequence Diagram variables */
|
||
/* Gantt chart variables */
|
||
/** Section styling */
|
||
/* Grid and axis */
|
||
/* Today line */
|
||
/* Task styling */
|
||
/* Default task */
|
||
/* Specific task settings for the sections*/
|
||
/* Active task */
|
||
/* Completed task */
|
||
/* Tasks on the critical line */
|
||
}
|
||
</style>
|
||
<g>
|
||
<g class="output">
|
||
<g class="clusters"></g>
|
||
<g class="edgePaths">
|
||
<g class="edgePath" style="opacity: 1;">
|
||
<path class="path" d="M33.6171875,52L33.6171875,77L33.6171875,102" marker-end="url(#arrowhead65)" style="fill:none"></path>
|
||
<defs>
|
||
<marker id="arrowhead65" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto">
|
||
<path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath" style="stroke-width: 1; stroke-dasharray: 1, 0;"></path>
|
||
</marker>
|
||
</defs>
|
||
</g>
|
||
</g>
|
||
<g class="edgeLabels">
|
||
<g class="edgeLabel" style="opacity: 1;" transform="">
|
||
<g transform="translate(0,0)" class="label">
|
||
<foreignObject width="0" height="0">
|
||
<div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">
|
||
<span class="edgeLabel"></span>
|
||
</div>
|
||
</foreignObject>
|
||
</g>
|
||
</g>
|
||
</g>
|
||
<g class="nodes">
|
||
<g class="node" id="A" transform="translate(33.6171875,36)" style="opacity: 1;">
|
||
<rect rx="0" ry="0" x="-13.6171875" y="-16" width="27.234375" height="32"></rect>
|
||
<g class="label" transform="translate(0,0)">
|
||
<g transform="translate(-3.6171875,-6)">
|
||
<foreignObject width="7.234375" height="12">
|
||
<div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">A</div>
|
||
</foreignObject>
|
||
</g>
|
||
</g>
|
||
</g>
|
||
<g class="node" id="B" transform="translate(33.6171875,118)" style="opacity: 1;">
|
||
<rect rx="0" ry="0" x="-13.6171875" y="-16" width="27.234375" height="32">
|
||
</rect>
|
||
<g class="label" transform="translate(0,0)">
|
||
<g transform="translate(-3.6171875,-6)">
|
||
<foreignObject width="7.234375" height="12">
|
||
<div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">B</div>
|
||
</foreignObject>
|
||
</g>
|
||
</g>
|
||
</g>
|
||
</g>
|
||
</g>
|
||
</g>
|
||
<text class="source" display="none">graph TD;
|
||
A-->B;
|
||
</text>
|
||
</svg>
|
||
HTML
|
||
|
||
output_gfm = html_to_gfm(html)
|
||
expect(output_gfm.strip).to eq(gfm.strip)
|
||
end
|
||
|
||
verify(
|
||
'SanitizationFilter',
|
||
|
||
<<-GFM.strip_heredoc
|
||
<sub>sub</sub>
|
||
|
||
<dl>
|
||
<dt>dt</dt>
|
||
<dd>dd</dd>
|
||
</dl>
|
||
|
||
<kbd>kbd</kbd>
|
||
|
||
<q>q</q>
|
||
|
||
<samp>samp</samp>
|
||
|
||
<var>var</var>
|
||
|
||
<ruby>ruby</ruby>
|
||
|
||
<rt>rt</rt>
|
||
|
||
<rp>rp</rp>
|
||
|
||
<abbr>abbr</abbr>
|
||
|
||
<summary>summary</summary>
|
||
|
||
<details>details</details>
|
||
GFM
|
||
)
|
||
|
||
verify(
|
||
'SanitizationFilter',
|
||
|
||
<<-GFM.strip_heredoc,
|
||
```
|
||
Plain text
|
||
```
|
||
GFM
|
||
|
||
<<-GFM.strip_heredoc,
|
||
```ruby
|
||
def foo
|
||
bar
|
||
end
|
||
```
|
||
GFM
|
||
|
||
<<-GFM.strip_heredoc
|
||
Foo
|
||
|
||
This is an example of GFM
|
||
|
||
```js
|
||
Code goes here
|
||
```
|
||
GFM
|
||
)
|
||
|
||
verify(
|
||
'MarkdownFilter',
|
||
|
||
"Line with two spaces at the end \nto insert a linebreak",
|
||
|
||
'`code`',
|
||
'`` code with ` ticks ``',
|
||
|
||
'> Quote',
|
||
|
||
# multiline quote
|
||
<<-GFM.strip_heredoc,
|
||
> Multiline
|
||
> Quote
|
||
>
|
||
> With multiple paragraphs
|
||
GFM
|
||
|
||
'',
|
||
|
||
'# Heading with no anchor link',
|
||
|
||
'[Link](https://example.com)',
|
||
|
||
'- List item',
|
||
|
||
# multiline list item
|
||
<<-GFM.strip_heredoc,
|
||
- Multiline
|
||
List item
|
||
GFM
|
||
|
||
# nested lists
|
||
<<-GFM.strip_heredoc,
|
||
- Nested
|
||
|
||
- Lists
|
||
GFM
|
||
|
||
# list with blockquote
|
||
<<-GFM.strip_heredoc,
|
||
- List
|
||
|
||
> Blockquote
|
||
GFM
|
||
|
||
'1. Numbered list item',
|
||
|
||
# multiline numbered list item
|
||
<<-GFM.strip_heredoc,
|
||
1. Multiline
|
||
Numbered list item
|
||
GFM
|
||
|
||
# nested numbered list
|
||
<<-GFM.strip_heredoc,
|
||
1. Nested
|
||
|
||
1. Numbered lists
|
||
GFM
|
||
|
||
# list item followed by an HR
|
||
<<-GFM.strip_heredoc,
|
||
- list item
|
||
|
||
-----
|
||
GFM
|
||
|
||
'# Heading',
|
||
'## Heading',
|
||
'### Heading',
|
||
'#### Heading',
|
||
'##### Heading',
|
||
'###### Heading',
|
||
|
||
'**Bold**',
|
||
|
||
'_Italics_',
|
||
|
||
'~~Strikethrough~~',
|
||
|
||
'-----',
|
||
|
||
# table
|
||
<<-GFM.strip_heredoc,
|
||
| Centered | Right | Left |
|
||
|:--------:|------:|------|
|
||
| Foo | Bar | **Baz** |
|
||
| Foo | Bar | **Baz** |
|
||
GFM
|
||
|
||
# table with empty heading
|
||
<<-GFM.strip_heredoc,
|
||
| | x | y |
|
||
|---|---|---|
|
||
| a | 1 | 0 |
|
||
| b | 0 | 1 |
|
||
GFM
|
||
)
|
||
end
|
||
|
||
alias_method :gfm_to_html, :markdown
|
||
|
||
def verify(label, *gfms)
|
||
aggregate_failures(label) do
|
||
gfms.each do |gfm|
|
||
html = gfm_to_html(gfm).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.strip_heredoc,
|
||
```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.strip_heredoc,
|
||
```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.strip_heredoc,
|
||
```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.strip_heredoc,
|
||
```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"] .s2',
|
||
|
||
'`"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.strip_heredoc,
|
||
```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)
|
||
expect(output_gfm.strip).to eq(gfm.strip)
|
||
end
|
||
end
|
||
|
||
def html_for_selector(selector)
|
||
js = <<-JS.strip_heredoc
|
||
(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.strip_heredoc
|
||
(function(html) {
|
||
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;
|
||
|
||
return window.CopyAsGFM.nodeToGFM(node);
|
||
})("#{escape_javascript(html)}")
|
||
JS
|
||
page.evaluate_script(js)
|
||
end
|
||
end
|