gitlab-org--gitlab-foss/spec/helpers/markup_helper_spec.rb

544 lines
18 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
describe MarkupHelper do
let!(:project) { create(:project, :repository) }
let(:user) { create(:user, username: 'gfm') }
let(:commit) { project.commit }
let(:issue) { create(:issue, project: project) }
let(:merge_request) { create(:merge_request, source_project: project, target_project: project) }
let(:snippet) { create(:project_snippet, project: project) }
before do
# Ensure the generated reference links aren't redacted
project.add_maintainer(user)
# Helper expects a @project instance variable
helper.instance_variable_set(:@project, project)
# Stub the `current_user` helper
allow(helper).to receive(:current_user).and_return(user)
end
describe "#markdown" do
describe "referencing multiple objects" do
let(:actual) { "#{merge_request.to_reference} -> #{commit.to_reference} -> #{issue.to_reference}" }
it "links to the merge request" do
expected = urls.project_merge_request_path(project, merge_request)
expect(helper.markdown(actual)).to match(expected)
end
it "links to the commit" do
expected = urls.project_commit_path(project, commit)
expect(helper.markdown(actual)).to match(expected)
end
it "links to the issue" do
expected = urls.project_issue_path(project, issue)
expect(helper.markdown(actual)).to match(expected)
end
end
describe "override default project" do
let(:actual) { issue.to_reference }
let(:second_project) { create(:project, :public) }
let(:second_issue) { create(:issue, project: second_project) }
it 'links to the issue' do
expected = urls.project_issue_path(second_project, second_issue)
expect(markdown(actual, project: second_project)).to match(expected)
end
end
describe 'uploads' do
let(:text) { "![ImageTest](/uploads/test.png)" }
let(:group) { create(:group) }
subject { helper.markdown(text) }
describe 'inside a project' do
it 'renders uploads relative to project' do
expect(subject).to include("#{project.full_path}/uploads/test.png")
end
end
describe 'inside a group' do
before do
helper.instance_variable_set(:@group, group)
helper.instance_variable_set(:@project, nil)
end
it 'renders uploads relative to the group' do
expect(subject).to include("#{group.full_path}/-/uploads/test.png")
end
end
describe "with a group in the context" do
let(:project_in_group) { create(:project, group: group) }
before do
helper.instance_variable_set(:@group, group)
helper.instance_variable_set(:@project, project_in_group)
end
it 'renders uploads relative to project' do
expect(subject).to include("#{project_in_group.path_with_namespace}/uploads/test.png")
end
end
end
end
describe '#markdown_field' do
let(:attribute) { :title }
describe 'with already redacted attribute' do
it 'returns the redacted attribute' do
commit.redacted_title_html = 'commit title'
expect(Banzai).not_to receive(:render_field)
expect(helper.markdown_field(commit, attribute)).to eq('commit title')
end
end
describe 'without redacted attribute' do
it 'renders the markdown value' do
expect(Banzai).to receive(:render_field).with(commit, attribute, {}).and_call_original
helper.markdown_field(commit, attribute)
end
end
end
describe '#link_to_markdown_field' do
let(:link) { '/commits/0a1b2c3d' }
let(:issues) { create_list(:issue, 2, project: project) }
# Clean the cache to make sure the title is re-rendered from the stubbed one
it 'handles references nested in links with all the text', :clean_gitlab_redis_cache do
allow(commit).to receive(:title).and_return("This should finally fix #{issues[0].to_reference} and #{issues[1].to_reference} for real")
actual = helper.link_to_markdown_field(commit, :title, link)
doc = Nokogiri::HTML.parse(actual)
# Make sure we didn't create invalid markup
expect(doc.errors).to be_empty
# Leading commit link
expect(doc.css('a')[0].attr('href')).to eq link
expect(doc.css('a')[0].text).to eq 'This should finally fix '
# First issue link
expect(doc.css('a')[1].attr('href'))
.to eq urls.project_issue_path(project, issues[0])
expect(doc.css('a')[1].text).to eq issues[0].to_reference
# Internal commit link
expect(doc.css('a')[2].attr('href')).to eq link
expect(doc.css('a')[2].text).to eq ' and '
# Second issue link
expect(doc.css('a')[3].attr('href'))
.to eq urls.project_issue_path(project, issues[1])
expect(doc.css('a')[3].text).to eq issues[1].to_reference
# Trailing commit link
expect(doc.css('a')[4].attr('href')).to eq link
expect(doc.css('a')[4].text).to eq ' for real'
end
end
describe '#link_to_markdown' do
let(:link) { '/commits/0a1b2c3d' }
let(:issues) { create_list(:issue, 2, project: project) }
it 'handles references nested in links with all the text' do
actual = helper.link_to_markdown("This should finally fix #{issues[0].to_reference} and #{issues[1].to_reference} for real", link)
doc = Nokogiri::HTML.parse(actual)
# Make sure we didn't create invalid markup
expect(doc.errors).to be_empty
# Leading commit link
expect(doc.css('a')[0].attr('href')).to eq link
expect(doc.css('a')[0].text).to eq 'This should finally fix '
# First issue link
expect(doc.css('a')[1].attr('href'))
.to eq urls.project_issue_path(project, issues[0])
expect(doc.css('a')[1].text).to eq issues[0].to_reference
# Internal commit link
expect(doc.css('a')[2].attr('href')).to eq link
expect(doc.css('a')[2].text).to eq ' and '
# Second issue link
expect(doc.css('a')[3].attr('href'))
.to eq urls.project_issue_path(project, issues[1])
expect(doc.css('a')[3].text).to eq issues[1].to_reference
# Trailing commit link
expect(doc.css('a')[4].attr('href')).to eq link
expect(doc.css('a')[4].text).to eq ' for real'
end
it 'forwards HTML options' do
actual = helper.link_to_markdown("Fixed in #{commit.id}", link, class: 'foo')
doc = Nokogiri::HTML.parse(actual)
expect(doc.css('a')).to satisfy do |v|
# 'foo' gets added to all links
v.all? { |a| a.attr('class').match(/foo$/) }
end
end
it "escapes HTML passed in as the body" do
actual = "This is a <h1>test</h1> - see #{issues[0].to_reference}"
expect(helper.link_to_markdown(actual, link))
.to match('&lt;h1&gt;test&lt;/h1&gt;')
end
it 'ignores reference links when they are the entire body' do
text = issues[0].to_reference
act = helper.link_to_markdown(text, '/foo')
expect(act).to eq %Q(<a href="/foo">#{issues[0].to_reference}</a>)
end
it 'replaces commit message with emoji to link' do
actual = link_to_markdown(':book: Book', '/foo')
expect(actual)
.to eq '<gl-emoji title="open book" data-name="book" data-unicode-version="6.0">📖</gl-emoji><a href="/foo"> Book</a>'
end
end
describe '#link_to_html' do
it 'wraps the rendered content in a link' do
link = '/commits/0a1b2c3d'
issue = create(:issue, project: project)
rendered = helper.markdown("This should finally fix #{issue.to_reference} for real", pipeline: :single_line)
doc = Nokogiri::HTML.parse(rendered)
expect(doc.css('a')[0].attr('href'))
.to eq urls.project_issue_path(project, issue)
expect(doc.css('a')[0].text).to eq issue.to_reference
wrapped = helper.link_to_html(rendered, link)
doc = Nokogiri::HTML.parse(wrapped)
expect(doc.css('a')[0].attr('href')).to eq link
expect(doc.css('a')[0].text).to eq 'This should finally fix '
end
end
describe '#render_wiki_content' do
before do
@wiki = double('WikiPage')
allow(@wiki).to receive(:content).and_return('wiki content')
allow(@wiki).to receive(:slug).and_return('nested/page')
helper.instance_variable_set(:@project_wiki, @wiki)
end
it "uses Wiki pipeline for markdown files" do
allow(@wiki).to receive(:format).and_return(:markdown)
expect(helper).to receive(:markdown_unsafe).with('wiki content',
pipeline: :wiki, project: project, project_wiki: @wiki, page_slug: "nested/page",
issuable_state_filter_enabled: true)
helper.render_wiki_content(@wiki)
end
it "uses Asciidoctor for asciidoc files" do
allow(@wiki).to receive(:format).and_return(:asciidoc)
expect(helper).to receive(:asciidoc_unsafe).with('wiki content')
helper.render_wiki_content(@wiki)
end
it "uses the Gollum renderer for all other file types" do
allow(@wiki).to receive(:format).and_return(:rdoc)
formatted_content_stub = double('formatted_content')
expect(formatted_content_stub).to receive(:html_safe)
allow(@wiki).to receive(:formatted_content).and_return(formatted_content_stub)
helper.render_wiki_content(@wiki)
end
end
describe '#markup' do
let(:content) { 'Noël' }
it 'preserves encoding' do
expect(content.encoding.name).to eq('UTF-8')
expect(helper.markup('foo.rst', content).encoding.name).to eq('UTF-8')
end
it 'delegates to #markdown_unsafe when file name corresponds to Markdown' do
expect(helper).to receive(:gitlab_markdown?).with('foo.md').and_return(true)
expect(helper).to receive(:markdown_unsafe).and_return('NOEL')
expect(helper.markup('foo.md', content)).to eq('NOEL')
end
it 'delegates to #asciidoc_unsafe when file name corresponds to AsciiDoc' do
expect(helper).to receive(:asciidoc?).with('foo.adoc').and_return(true)
expect(helper).to receive(:asciidoc_unsafe).and_return('NOEL')
expect(helper.markup('foo.adoc', content)).to eq('NOEL')
end
it 'uses passed in rendered content' do
expect(helper).not_to receive(:gitlab_markdown?)
expect(helper).not_to receive(:markdown_unsafe)
expect(helper.markup('foo.md', content, rendered: '<p>NOEL</p>')).to eq('<p>NOEL</p>')
end
it 'defaults to CommonMark' do
expect(helper.markup('foo.md', 'x^2')).to include('x^2')
end
end
describe '#markup_unsafe' do
subject { helper.markup_unsafe(file_name, text, context) }
let(:file_name) { 'foo.bar' }
let(:text) { 'Noël' }
let(:project_base) { build(:project, :repository) }
let(:context) { { project: project_base } }
context 'when text is missing' do
let(:text) { nil }
it 'returns an empty string' do
is_expected.to eq('')
end
end
context 'when file is a markdown file' do
let(:file_name) { 'foo.md' }
it 'returns html (rendered by Banzai)' do
expected_html = '<p data-sourcepos="1:1-1:5" dir="auto">Noël</p>'
expect(Banzai).to receive(:render).with(text, context) { expected_html }
is_expected.to eq(expected_html)
end
context 'when renderer returns an error' do
before do
allow(Banzai).to receive(:render).and_raise("An error")
end
it 'returns html (rendered by ActionView:TextHelper)' do
is_expected.to eq('<p>Noël</p>')
end
end
end
context 'when file is asciidoc file' do
let(:file_name) { 'foo.adoc' }
it 'returns html (rendered by Gitlab::Asciidoc)' do
expected_html = "<div>\n<p>Noël</p>\n</div>"
expect(Gitlab::Asciidoc).to receive(:render).with(text, context) { expected_html }
is_expected.to eq(expected_html)
end
end
context 'when file is a regular text file' do
let(:file_name) { 'foo.txt' }
it 'returns html (rendered by ActionView::TagHelper)' do
is_expected.to eq('<pre class="plain-readme">Noël</pre>')
end
end
context 'when file has an unknown type' do
let(:file_name) { 'foo' }
it 'returns html (rendered by Gitlab::OtherMarkup)' do
expected_html = 'Noël'
expect(Gitlab::OtherMarkup).to receive(:render).with(file_name, text, context) { expected_html }
is_expected.to eq(expected_html)
end
end
end
describe '#first_line_in_markdown' do
shared_examples_for 'common markdown examples' do
let(:project_base) { build(:project, :repository) }
it 'displays inline code' do
object = create_object('Text with `inline code`')
expected = 'Text with <code>inline code</code>'
expect(first_line_in_markdown(object, attribute, 100, project: project)).to match(expected)
end
it 'truncates the text with multiple paragraphs' do
object = create_object("Paragraph 1\n\nParagraph 2")
expected = 'Paragraph 1...'
expect(first_line_in_markdown(object, attribute, 100, project: project)).to match(expected)
end
it 'displays the first line of a code block' do
object = create_object("```\nCode block\nwith two lines\n```")
expected = %r{<pre.+><code><span class="line">Code block\.\.\.</span>\n</code></pre>}
expect(first_line_in_markdown(object, attribute, 100, project: project)).to match(expected)
end
it 'truncates a single long line of text' do
text = 'The quick brown fox jumped over the lazy dog twice' # 50 chars
object = create_object(text * 4)
expected = (text * 2).sub(/.{3}/, '...')
expect(first_line_in_markdown(object, attribute, 150, project: project)).to match(expected)
end
it 'preserves a link href when link text is truncated' do
text = 'The quick brown fox jumped over the lazy dog' # 44 chars
link_url = 'http://example.com/foo/bar/baz' # 30 chars
input = "#{text}#{text}#{text} #{link_url}" # 163 chars
expected_link_text = 'http://example...</a>'
object = create_object(input)
expect(first_line_in_markdown(object, attribute, 150, project: project)).to match(link_url)
expect(first_line_in_markdown(object, attribute, 150, project: project)).to match(expected_link_text)
end
it 'preserves code color scheme' do
object = create_object("```ruby\ndef test\n 'hello world'\nend\n```")
expected = "<pre class=\"code highlight js-syntax-highlight ruby\">" \
"<code><span class=\"line\"><span class=\"k\">def</span> <span class=\"nf\">test</span>...</span>\n" \
"</code></pre>"
expect(first_line_in_markdown(object, attribute, 150, project: project)).to eq(expected)
end
context 'when images are allowed' do
it 'preserves data-src for lazy images' do
object = create_object("![ImageTest](/uploads/test.png)")
image_url = "data-src=\".*/uploads/test.png\""
text = first_line_in_markdown(object, attribute, 150, project: project, allow_images: true)
expect(text).to match(image_url)
expect(text).to match('<a')
end
end
context 'when images are not allowed' do
it 'removes any images' do
object = create_object("![ImageTest](/uploads/test.png)")
text = first_line_in_markdown(object, attribute, 150, project: project)
expect(text).not_to match('<img')
expect(text).not_to match('<a')
end
end
context 'labels formatting' do
let(:label_title) { 'this should be ~label_1' }
def create_and_format_label(project)
create(:label, title: 'label_1', project: project)
object = create_object(label_title, project: project)
first_line_in_markdown(object, attribute, 150, project: project)
end
it 'preserves style attribute for a label that can be accessed by current_user' do
project = create(:project, :public)
expect(create_and_format_label(project)).to match(/span class=.*style=.*/)
end
it 'does not style a label that can not be accessed by current_user' do
project = create(:project, :private)
expect(create_and_format_label(project)).to eq("<p>#{label_title}</p>")
end
end
it 'truncates Markdown properly' do
object = create_object("@#{user.username}, can you look at this?\nHello world\n")
actual = first_line_in_markdown(object, attribute, 100, project: project)
doc = Nokogiri::HTML.parse(actual)
# Make sure we didn't create invalid markup
expect(doc.errors).to be_empty
# Leading user link
expect(doc.css('a').length).to eq(1)
expect(doc.css('a')[0].attr('href')).to eq user_path(user)
expect(doc.css('a')[0].text).to eq "@#{user.username}"
expect(doc.content).to eq "@#{user.username}, can you look at this?..."
end
it 'truncates Markdown with emoji properly' do
object = create_object("foo :wink:\nbar :grinning:")
actual = first_line_in_markdown(object, attribute, 100, project: project)
doc = Nokogiri::HTML.parse(actual)
# Make sure we didn't create invalid markup
# But also account for the 2 errors caused by the unknown `gl-emoji` elements
expect(doc.errors.length).to eq(2)
expect(doc.css('gl-emoji').length).to eq(2)
expect(doc.css('gl-emoji')[0].attr('data-name')).to eq 'wink'
expect(doc.css('gl-emoji')[1].attr('data-name')).to eq 'grinning'
expect(doc.content).to eq "foo 😉\nbar 😀"
end
end
context 'when the asked attribute can be redacted' do
include_examples 'common markdown examples' do
let(:attribute) { :note }
def create_object(title, project: project_base)
build(:note, note: title, project: project)
end
end
end
context 'when the asked attribute can not be redacted' do
include_examples 'common markdown examples' do
let(:attribute) { :body }
def create_object(title, project: project_base)
issue = build(:issue, title: title)
build(:todo, :done, project: project_base, author: user, target: issue)
end
end
end
end
describe '#cross_project_reference' do
it 'shows the full MR reference' do
expect(helper.cross_project_reference(project, merge_request)).to include(project.full_path)
end
it 'shows the full issue reference' do
expect(helper.cross_project_reference(project, issue)).to include(project.full_path)
end
end
def urls
Gitlab::Routing.url_helpers
end
end