gitlabhq/spec/helpers/gitlab_markdown_helper_spec.rb

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require "spec_helper"
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describe GitlabMarkdownHelper do
include ApplicationHelper
let!(:project) { create(:project) }
let(:user) { create(:user, username: 'gfm') }
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let(:commit) { CommitDecorator.decorate(project.repository.commit) }
let(:issue) { create(:issue, project: project) }
let(:merge_request) { create(:merge_request, project: project) }
let(:snippet) { create(:snippet, project: project) }
let(:member) { project.users_projects.where(user_id: user).first }
before do
# Helper expects a @project instance variable
@project = project
end
describe "#gfm" do
it "should return unaltered text if project is nil" do
actual = "Testing references: ##{issue.id}"
gfm(actual).should_not == actual
@project = nil
gfm(actual).should == actual
end
it "should not alter non-references" do
actual = expected = "_Please_ *stop* 'helping' and all the other b*$#%' you do."
gfm(actual).should == expected
end
it "should not touch HTML entities" do
@project.issues.stub(:where).with(id: '39').and_return([issue])
actual = expected = "We'll accept good pull requests."
gfm(actual).should == expected
end
it "should forward HTML options to links" do
gfm("Fixed in #{commit.id}", class: "foo").should have_selector("a.gfm.foo")
end
describe "referencing a commit" do
let(:expected) { project_commit_path(project, commit) }
it "should link using a full id" do
actual = "Reverts #{commit.id}"
gfm(actual).should match(expected)
end
it "should link using a short id" do
actual = "Backported from #{commit.short_id(6)}"
gfm(actual).should match(expected)
end
it "should link with adjacent text" do
actual = "Reverted (see #{commit.id})"
gfm(actual).should match(expected)
end
it "should keep whitespace intact" do
actual = "Changes #{commit.id} dramatically"
expected = /Changes <a.+>#{commit.id}<\/a> dramatically/
gfm(actual).should match(expected)
end
it "should not link with an invalid id" do
actual = expected = "What happened in #{commit.id.reverse}"
gfm(actual).should == expected
end
it "should include a title attribute" do
actual = "Reverts #{commit.id}"
gfm(actual).should match(/title="#{commit.link_title}"/)
end
it "should include standard gfm classes" do
actual = "Reverts #{commit.id}"
gfm(actual).should match(/class="\s?gfm gfm-commit\s?"/)
end
end
describe "referencing a team member" do
let(:actual) { "@#{user.username} you are right." }
let(:expected) { project_team_member_path(project, member) }
before do
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project.team << [user, :master]
end
it "should link using a simple name" do
gfm(actual).should match(expected)
end
it "should link using a name with dots" do
user.update_attributes(name: "alphA.Beta")
gfm(actual).should match(expected)
end
it "should link using name with underscores" do
user.update_attributes(name: "ping_pong_king")
gfm(actual).should match(expected)
end
it "should link with adjacent text" do
actual = "Mail the admin (@#{user.username})"
gfm(actual).should match(expected)
end
it "should keep whitespace intact" do
actual = "Yes, @#{user.username} is right."
expected = /Yes, <a.+>@#{user.username}<\/a> is right/
gfm(actual).should match(expected)
end
it "should not link with an invalid id" do
actual = expected = "@#{user.username.reverse} you are right."
gfm(actual).should == expected
end
it "should include standard gfm classes" do
gfm(actual).should match(/class="\s?gfm gfm-team_member\s?"/)
end
end
# Shared examples for referencing an object
#
# Expects the following attributes to be available in the example group:
#
# - object - The object itself
# - reference - The object reference string (e.g., #1234, $1234, !1234)
#
# Currently limited to Snippets, Issues and MergeRequests
shared_examples 'referenced object' do
let(:actual) { "Reference to #{reference}" }
let(:expected) { polymorphic_path([project, object]) }
it "should link using a valid id" do
gfm(actual).should match(expected)
end
it "should link with adjacent text" do
# Wrap the reference in parenthesis
gfm(actual.gsub(reference, "(#{reference})")).should match(expected)
# Append some text to the end of the reference
gfm(actual.gsub(reference, "#{reference}, right?")).should match(expected)
end
it "should keep whitespace intact" do
actual = "Referenced #{reference} already."
expected = /Referenced <a.+>[^\s]+<\/a> already/
gfm(actual).should match(expected)
end
it "should not link with an invalid id" do
# Modify the reference string so it's still parsed, but is invalid
reference.gsub!(/^(.)(\d+)$/, '\1' + ('\2' * 2))
gfm(actual).should == actual
end
it "should include a title attribute" do
title = "#{object.class.to_s.titlecase}: #{object.title}"
gfm(actual).should match(/title="#{title}"/)
end
it "should include standard gfm classes" do
css = object.class.to_s.underscore
gfm(actual).should match(/class="\s?gfm gfm-#{css}\s?"/)
end
end
describe "referencing an issue" do
let(:object) { issue }
let(:reference) { "##{issue.id}" }
include_examples 'referenced object'
end
describe "referencing a merge request" do
let(:object) { merge_request }
let(:reference) { "!#{merge_request.id}" }
include_examples 'referenced object'
end
describe "referencing a snippet" do
let(:object) { snippet }
let(:reference) { "$#{snippet.id}" }
include_examples 'referenced object'
end
describe "referencing multiple objects" do
let(:actual) { "!#{merge_request.id} -> #{commit.id} -> ##{issue.id}" }
it "should link to the merge request" do
expected = project_merge_request_path(project, merge_request)
gfm(actual).should match(expected)
end
it "should link to the commit" do
expected = project_commit_path(project, commit)
gfm(actual).should match(expected)
end
it "should link to the issue" do
expected = project_issue_path(project, issue)
gfm(actual).should match(expected)
end
end
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describe "emoji" do
it "matches at the start of a string" do
gfm(":+1:").should match(/<img/)
end
it "matches at the end of a string" do
gfm("This gets a :-1:").should match(/<img/)
end
it "matches with adjacent text" do
gfm("+1 (:+1:)").should match(/<img/)
end
it "has a title attribute" do
gfm(":-1:").should match(/title=":-1:"/)
end
it "has an alt attribute" do
gfm(":-1:").should match(/alt=":-1:"/)
end
it "has an emoji class" do
gfm(":+1:").should match('class="emoji"')
end
it "sets height and width" do
actual = gfm(":+1:")
actual.should match(/width="20"/)
actual.should match(/height="20"/)
end
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it "keeps whitespace intact" do
gfm("This deserves a :+1: big time.").should match(/deserves a <img.+\/> big time/)
end
it "ignores invalid emoji" do
gfm(":invalid-emoji:").should_not match(/<img/)
end
it "should work independet of reference links (i.e. without @project being set)" do
@project = nil
gfm(":+1:").should match(/<img/)
end
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end
end
describe "#link_to_gfm" do
let(:commit_path) { project_commit_path(project, commit) }
let(:issues) { create_list(:issue, 2, project: project) }
it "should handle references nested in links with all the text" do
actual = link_to_gfm("This should finally fix ##{issues[0].id} and ##{issues[1].id} for real", commit_path)
# Break the result into groups of links with their content, without
# closing tags
groups = actual.split("</a>")
# Leading commit link
groups[0].should match(/href="#{commit_path}"/)
groups[0].should match(/This should finally fix $/)
# First issue link
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groups[1].should match(/href="#{project_issue_url(project, issues[0])}"/)
groups[1].should match(/##{issues[0].id}$/)
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# Internal commit link
groups[2].should match(/href="#{commit_path}"/)
groups[2].should match(/ and /)
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# Second issue link
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groups[3].should match(/href="#{project_issue_url(project, issues[1])}"/)
groups[3].should match(/##{issues[1].id}$/)
# Trailing commit link
groups[4].should match(/href="#{commit_path}"/)
groups[4].should match(/ for real$/)
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end
it "should forward HTML options" do
actual = link_to_gfm("Fixed in #{commit.id}", commit_path, class: 'foo')
actual.should have_selector 'a.gfm.gfm-commit.foo'
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end
it "escapes HTML passed in as the body" do
actual = "This is a <h1>test</h1> - see ##{issues[0].id}"
link_to_gfm(actual, commit_path).should match('&lt;h1&gt;test&lt;/h1&gt;')
end
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end
describe "#markdown" do
it "should handle references in paragraphs" do
actual = "\n\nLorem ipsum dolor sit amet. #{commit.id} Nam pulvinar sapien eget.\n"
expected = project_commit_path(project, commit)
markdown(actual).should match(expected)
end
it "should handle references in headers" do
actual = "\n# Working around ##{issue.id}\n## Apply !#{merge_request.id}"
markdown(actual).should match(%r{<h1[^<]*>Working around <a.+>##{issue.id}</a></h1>})
markdown(actual).should match(%r{<h2[^<]*>Apply <a.+>!#{merge_request.id}</a></h2>})
end
it "should handle references in lists" do
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project.team << [user, :master]
actual = "\n* dark: ##{issue.id}\n* light by @#{member.user.username}"
markdown(actual).should match(%r{<li>dark: <a.+>##{issue.id}</a></li>})
markdown(actual).should match(%r{<li>light by <a.+>@#{member.user.username}</a></li>})
end
it "should handle references in <em>" do
actual = "Apply _!#{merge_request.id}_ ASAP"
markdown(actual).should match(%r{Apply <em><a.+>!#{merge_request.id}</a></em>})
end
it "should leave code blocks untouched" do
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helper.stub(:user_color_scheme_class).and_return(:white)
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helper.markdown("\n some code from $#{snippet.id}\n here too\n").should include("<div class=\"white\"><div class=\"highlight\"><pre><span class=\"n\">some</span> <span class=\"n\">code</span> <span class=\"n\">from</span> $#{snippet.id}\n<span class=\"n\">here</span> <span class=\"n\">too</span>\n</pre></div></div>")
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helper.markdown("\n```\nsome code from $#{snippet.id}\nhere too\n```\n").should include("<div class=\"white\"><div class=\"highlight\"><pre><span class=\"n\">some</span> <span class=\"n\">code</span> <span class=\"n\">from</span> $#{snippet.id}\n<span class=\"n\">here</span> <span class=\"n\">too</span>\n</pre></div></div>")
end
it "should leave inline code untouched" do
markdown("\nDon't use `$#{snippet.id}` here.\n").should == "<p>Don&#39;t use <code>$#{snippet.id}</code> here.</p>\n"
end
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it "should leave ref-like autolinks untouched" do
markdown("look at http://example.tld/#!#{merge_request.id}").should == "<p>look at <a href=\"http://example.tld/#!#{merge_request.id}\">http://example.tld/#!#{merge_request.id}</a></p>\n"
end
it "should leave ref-like href of 'manual' links untouched" do
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markdown("why not [inspect !#{merge_request.id}](http://example.tld/#!#{merge_request.id})").should == "<p>why not <a href=\"http://example.tld/#!#{merge_request.id}\">inspect </a><a href=\"#{project_merge_request_url(project, merge_request)}\" class=\"gfm gfm-merge_request \" title=\"Merge Request: #{merge_request.title}\">!#{merge_request.id}</a><a href=\"http://example.tld/#!#{merge_request.id}\"></a></p>\n"
end
it "should leave ref-like src of images untouched" do
markdown("screen shot: ![some image](http://example.tld/#!#{merge_request.id})").should == "<p>screen shot: <img src=\"http://example.tld/#!#{merge_request.id}\" alt=\"some image\"></p>\n"
end
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it "should generate absolute urls for refs" do
markdown("##{issue.id}").should include(project_issue_url(project, issue))
end
it "should generate absolute urls for emoji" do
markdown(":smile:").should include("src=\"#{url_to_image("emoji/smile")}")
end
end
end