454 lines
16 KiB
Ruby
454 lines
16 KiB
Ruby
require 'spec_helper'
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describe MarkupHelper do
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let!(:project) { create(:project, :repository) }
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let(:user) { create(:user, username: 'gfm') }
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let(:commit) { project.commit }
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let(:issue) { create(:issue, project: project) }
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let(:merge_request) { create(:merge_request, source_project: project, target_project: project) }
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let(:snippet) { create(:project_snippet, project: project) }
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before do
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# Ensure the generated reference links aren't redacted
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project.add_maintainer(user)
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# Helper expects a @project instance variable
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helper.instance_variable_set(:@project, project)
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# Stub the `current_user` helper
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allow(helper).to receive(:current_user).and_return(user)
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end
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describe "#markdown" do
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describe "referencing multiple objects" do
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let(:actual) { "#{merge_request.to_reference} -> #{commit.to_reference} -> #{issue.to_reference}" }
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it "links to the merge request" do
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expected = urls.project_merge_request_path(project, merge_request)
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expect(helper.markdown(actual)).to match(expected)
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end
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it "links to the commit" do
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expected = urls.project_commit_path(project, commit)
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expect(helper.markdown(actual)).to match(expected)
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end
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it "links to the issue" do
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expected = urls.project_issue_path(project, issue)
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expect(helper.markdown(actual)).to match(expected)
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end
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end
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describe "override default project" do
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let(:actual) { issue.to_reference }
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let(:second_project) { create(:project, :public) }
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let(:second_issue) { create(:issue, project: second_project) }
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it 'links to the issue' do
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expected = urls.project_issue_path(second_project, second_issue)
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expect(markdown(actual, project: second_project)).to match(expected)
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end
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end
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end
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describe '#markdown_field' do
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let(:attribute) { :title }
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describe 'with already redacted attribute' do
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it 'returns the redacted attribute' do
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commit.redacted_title_html = 'commit title'
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expect(Banzai).not_to receive(:render_field)
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expect(helper.markdown_field(commit, attribute)).to eq('commit title')
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end
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end
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describe 'without redacted attribute' do
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it 'renders the markdown value' do
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expect(Banzai).to receive(:render_field).with(commit, attribute, {}).and_call_original
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helper.markdown_field(commit, attribute)
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end
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end
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end
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describe '#link_to_markdown_field' do
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let(:link) { '/commits/0a1b2c3d' }
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let(:issues) { create_list(:issue, 2, project: project) }
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it 'handles references nested in links with all the text' do
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allow(commit).to receive(:title).and_return("This should finally fix #{issues[0].to_reference} and #{issues[1].to_reference} for real")
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actual = helper.link_to_markdown_field(commit, :title, link)
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doc = Nokogiri::HTML.parse(actual)
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# Make sure we didn't create invalid markup
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expect(doc.errors).to be_empty
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# Leading commit link
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expect(doc.css('a')[0].attr('href')).to eq link
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expect(doc.css('a')[0].text).to eq 'This should finally fix '
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# First issue link
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expect(doc.css('a')[1].attr('href'))
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.to eq urls.project_issue_path(project, issues[0])
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expect(doc.css('a')[1].text).to eq issues[0].to_reference
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# Internal commit link
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expect(doc.css('a')[2].attr('href')).to eq link
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expect(doc.css('a')[2].text).to eq ' and '
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# Second issue link
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expect(doc.css('a')[3].attr('href'))
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.to eq urls.project_issue_path(project, issues[1])
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expect(doc.css('a')[3].text).to eq issues[1].to_reference
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# Trailing commit link
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expect(doc.css('a')[4].attr('href')).to eq link
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expect(doc.css('a')[4].text).to eq ' for real'
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end
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end
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describe '#link_to_markdown' do
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let(:link) { '/commits/0a1b2c3d' }
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let(:issues) { create_list(:issue, 2, project: project) }
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it 'handles references nested in links with all the text' do
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actual = helper.link_to_markdown("This should finally fix #{issues[0].to_reference} and #{issues[1].to_reference} for real", link)
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doc = Nokogiri::HTML.parse(actual)
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# Make sure we didn't create invalid markup
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expect(doc.errors).to be_empty
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# Leading commit link
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expect(doc.css('a')[0].attr('href')).to eq link
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expect(doc.css('a')[0].text).to eq 'This should finally fix '
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# First issue link
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expect(doc.css('a')[1].attr('href'))
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.to eq urls.project_issue_path(project, issues[0])
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expect(doc.css('a')[1].text).to eq issues[0].to_reference
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# Internal commit link
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expect(doc.css('a')[2].attr('href')).to eq link
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expect(doc.css('a')[2].text).to eq ' and '
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# Second issue link
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expect(doc.css('a')[3].attr('href'))
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.to eq urls.project_issue_path(project, issues[1])
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expect(doc.css('a')[3].text).to eq issues[1].to_reference
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# Trailing commit link
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expect(doc.css('a')[4].attr('href')).to eq link
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expect(doc.css('a')[4].text).to eq ' for real'
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end
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it 'forwards HTML options' do
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actual = helper.link_to_markdown("Fixed in #{commit.id}", link, class: 'foo')
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doc = Nokogiri::HTML.parse(actual)
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expect(doc.css('a')).to satisfy do |v|
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# 'foo' gets added to all links
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v.all? { |a| a.attr('class').match(/foo$/) }
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end
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end
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it "escapes HTML passed in as the body" do
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actual = "This is a <h1>test</h1> - see #{issues[0].to_reference}"
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expect(helper.link_to_markdown(actual, link))
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.to match('<h1>test</h1>')
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end
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it 'ignores reference links when they are the entire body' do
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text = issues[0].to_reference
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act = helper.link_to_markdown(text, '/foo')
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expect(act).to eq %Q(<a href="/foo">#{issues[0].to_reference}</a>)
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end
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it 'replaces commit message with emoji to link' do
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actual = link_to_markdown(':book: Book', '/foo')
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expect(actual)
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.to eq '<gl-emoji title="open book" data-name="book" data-unicode-version="6.0">📖</gl-emoji><a href="/foo"> Book</a>'
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end
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end
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describe '#link_to_html' do
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it 'wraps the rendered content in a link' do
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link = '/commits/0a1b2c3d'
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issue = create(:issue, project: project)
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rendered = helper.markdown("This should finally fix #{issue.to_reference} for real", pipeline: :single_line)
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doc = Nokogiri::HTML.parse(rendered)
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expect(doc.css('a')[0].attr('href'))
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.to eq urls.project_issue_path(project, issue)
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expect(doc.css('a')[0].text).to eq issue.to_reference
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wrapped = helper.link_to_html(rendered, link)
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doc = Nokogiri::HTML.parse(wrapped)
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expect(doc.css('a')[0].attr('href')).to eq link
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expect(doc.css('a')[0].text).to eq 'This should finally fix '
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end
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end
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describe '#render_wiki_content' do
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before do
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@wiki = double('WikiPage')
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allow(@wiki).to receive(:content).and_return('wiki content')
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allow(@wiki).to receive(:slug).and_return('nested/page')
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helper.instance_variable_set(:@project_wiki, @wiki)
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end
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it "uses Wiki pipeline for markdown files" do
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allow(@wiki).to receive(:format).and_return(:markdown)
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expect(helper).to receive(:markdown_unsafe).with('wiki content',
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pipeline: :wiki, project: project, project_wiki: @wiki, page_slug: "nested/page",
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issuable_state_filter_enabled: true)
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helper.render_wiki_content(@wiki)
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end
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it 'uses Wiki pipeline for markdown files with RedCarpet if feature disabled' do
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stub_feature_flags(commonmark_for_repositories: false)
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allow(@wiki).to receive(:format).and_return(:markdown)
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expect(helper).to receive(:markdown_unsafe).with('wiki content',
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pipeline: :wiki, project: project, project_wiki: @wiki, page_slug: "nested/page",
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issuable_state_filter_enabled: true, markdown_engine: :redcarpet)
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helper.render_wiki_content(@wiki)
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end
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it "uses Asciidoctor for asciidoc files" do
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allow(@wiki).to receive(:format).and_return(:asciidoc)
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expect(helper).to receive(:asciidoc_unsafe).with('wiki content')
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helper.render_wiki_content(@wiki)
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end
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it "uses the Gollum renderer for all other file types" do
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allow(@wiki).to receive(:format).and_return(:rdoc)
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formatted_content_stub = double('formatted_content')
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expect(formatted_content_stub).to receive(:html_safe)
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allow(@wiki).to receive(:formatted_content).and_return(formatted_content_stub)
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helper.render_wiki_content(@wiki)
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end
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end
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describe 'markup' do
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let(:content) { 'Noël' }
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it 'preserves encoding' do
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expect(content.encoding.name).to eq('UTF-8')
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expect(helper.markup('foo.rst', content).encoding.name).to eq('UTF-8')
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end
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it 'delegates to #markdown_unsafe when file name corresponds to Markdown' do
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expect(helper).to receive(:gitlab_markdown?).with('foo.md').and_return(true)
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expect(helper).to receive(:markdown_unsafe).and_return('NOEL')
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expect(helper.markup('foo.md', content)).to eq('NOEL')
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end
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it 'delegates to #asciidoc_unsafe when file name corresponds to AsciiDoc' do
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expect(helper).to receive(:asciidoc?).with('foo.adoc').and_return(true)
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expect(helper).to receive(:asciidoc_unsafe).and_return('NOEL')
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expect(helper.markup('foo.adoc', content)).to eq('NOEL')
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end
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it 'uses passed in rendered content' do
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expect(helper).not_to receive(:gitlab_markdown?)
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expect(helper).not_to receive(:markdown_unsafe)
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expect(helper.markup('foo.md', content, rendered: '<p>NOEL</p>')).to eq('<p>NOEL</p>')
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end
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it 'defaults to CommonMark' do
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expect(helper.markup('foo.md', 'x^2')).to include('x^2')
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end
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it 'honors markdown_engine for RedCarpet' do
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expect(helper.markup('foo.md', 'x^2', { markdown_engine: :redcarpet })).to include('x<sup>2</sup>')
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end
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it 'uses RedCarpet if feature disabled' do
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stub_feature_flags(commonmark_for_repositories: false)
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expect(helper.markup('foo.md', 'x^2', { markdown_engine: :redcarpet })).to include('x<sup>2</sup>')
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end
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end
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describe '#first_line_in_markdown' do
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shared_examples_for 'common markdown examples' do
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let(:project_base) { build(:project, :repository) }
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it 'displays inline code' do
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object = create_object('Text with `inline code`')
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expected = 'Text with <code>inline code</code>'
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expect(first_line_in_markdown(object, attribute, 100, project: project)).to match(expected)
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end
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it 'truncates the text with multiple paragraphs' do
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object = create_object("Paragraph 1\n\nParagraph 2")
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expected = 'Paragraph 1...'
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expect(first_line_in_markdown(object, attribute, 100, project: project)).to match(expected)
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end
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it 'displays the first line of a code block' do
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object = create_object("```\nCode block\nwith two lines\n```")
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expected = %r{<pre.+><code><span class="line">Code block\.\.\.</span>\n</code></pre>}
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expect(first_line_in_markdown(object, attribute, 100, project: project)).to match(expected)
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end
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it 'truncates a single long line of text' do
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text = 'The quick brown fox jumped over the lazy dog twice' # 50 chars
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object = create_object(text * 4)
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expected = (text * 2).sub(/.{3}/, '...')
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expect(first_line_in_markdown(object, attribute, 150, project: project)).to match(expected)
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end
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it 'preserves a link href when link text is truncated' do
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text = 'The quick brown fox jumped over the lazy dog' # 44 chars
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input = "#{text}#{text}#{text} " # 133 chars
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link_url = 'http://example.com/foo/bar/baz' # 30 chars
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input << link_url
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object = create_object(input)
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expected_link_text = 'http://example...</a>'
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expect(first_line_in_markdown(object, attribute, 150, project: project)).to match(link_url)
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expect(first_line_in_markdown(object, attribute, 150, project: project)).to match(expected_link_text)
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end
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it 'preserves code color scheme' do
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object = create_object("```ruby\ndef test\n 'hello world'\nend\n```")
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expected = "<pre class=\"code highlight js-syntax-highlight ruby\">" \
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"<code><span class=\"line\"><span class=\"k\">def</span> <span class=\"nf\">test</span>...</span>\n" \
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"</code></pre>"
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expect(first_line_in_markdown(object, attribute, 150, project: project)).to eq(expected)
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end
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context 'when images are allowed' do
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it 'preserves data-src for lazy images' do
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object = create_object("")
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image_url = "data-src=\".*/uploads/test.png\""
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text = first_line_in_markdown(object, attribute, 150, project: project, allow_images: true)
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expect(text).to match(image_url)
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expect(text).to match('<a')
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end
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end
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context 'when images are not allowed' do
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it 'removes any images' do
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object = create_object("")
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text = first_line_in_markdown(object, attribute, 150, project: project)
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expect(text).not_to match('<img')
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expect(text).not_to match('<a')
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end
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end
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context 'labels formatting' do
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let(:label_title) { 'this should be ~label_1' }
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def create_and_format_label(project)
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create(:label, title: 'label_1', project: project)
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object = create_object(label_title, project: project)
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first_line_in_markdown(object, attribute, 150, project: project)
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end
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it 'preserves style attribute for a label that can be accessed by current_user' do
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project = create(:project, :public)
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expect(create_and_format_label(project)).to match(/span class=.*style=.*/)
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end
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it 'does not style a label that can not be accessed by current_user' do
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project = create(:project, :private)
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expect(create_and_format_label(project)).to eq("<p>#{label_title}</p>")
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end
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end
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it 'truncates Markdown properly' do
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object = create_object("@#{user.username}, can you look at this?\nHello world\n")
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actual = first_line_in_markdown(object, attribute, 100, project: project)
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doc = Nokogiri::HTML.parse(actual)
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# Make sure we didn't create invalid markup
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expect(doc.errors).to be_empty
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# Leading user link
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expect(doc.css('a').length).to eq(1)
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expect(doc.css('a')[0].attr('href')).to eq user_path(user)
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expect(doc.css('a')[0].text).to eq "@#{user.username}"
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expect(doc.content).to eq "@#{user.username}, can you look at this?..."
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end
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it 'truncates Markdown with emoji properly' do
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object = create_object("foo :wink:\nbar :grinning:")
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actual = first_line_in_markdown(object, attribute, 100, project: project)
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doc = Nokogiri::HTML.parse(actual)
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# Make sure we didn't create invalid markup
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# But also account for the 2 errors caused by the unknown `gl-emoji` elements
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expect(doc.errors.length).to eq(2)
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expect(doc.css('gl-emoji').length).to eq(2)
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expect(doc.css('gl-emoji')[0].attr('data-name')).to eq 'wink'
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expect(doc.css('gl-emoji')[1].attr('data-name')).to eq 'grinning'
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expect(doc.content).to eq "foo 😉\nbar 😀"
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end
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end
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context 'when the asked attribute can be redacted' do
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include_examples 'common markdown examples' do
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let(:attribute) { :note }
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def create_object(title, project: project_base)
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build(:note, note: title, project: project)
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end
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end
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end
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context 'when the asked attribute can not be redacted' do
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include_examples 'common markdown examples' do
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let(:attribute) { :body }
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def create_object(title, project: project_base)
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issue = build(:issue, title: title)
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build(:todo, :done, project: project_base, author: user, target: issue)
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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 '#cross_project_reference' do
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it 'shows the full MR reference' do
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expect(helper.cross_project_reference(project, merge_request)).to include(project.full_path)
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end
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it 'shows the full issue reference' do
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expect(helper.cross_project_reference(project, issue)).to include(project.full_path)
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end
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end
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def urls
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Gitlab::Routing.url_helpers
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end
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end
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