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# encoding: UTF-8
require 'spec_helper'
module Gitlab::Markdown
describe RelativeLinkFilter do
def filter(doc)
described_class.call(doc, {
commit: project.commit,
project: project,
project_wiki: project_wiki,
ref: ref,
requested_path: requested_path
})
end
def image(path)
%(<img src="#{path}" />)
end
def link(path)
%(<a href="#{path}">#{path}</a>)
end
let(:project) { create(:project) }
let(:project_path) { project.path_with_namespace }
let(:ref) { 'markdown' }
let(:project_wiki) { nil }
let(:requested_path) { '/' }
shared_examples :preserve_unchanged do
it 'does not modify any relative URL in anchor' do
doc = filter(link('README.md'))
expect(doc.at_css('a')['href']).to eq 'README.md'
end
it 'does not modify any relative URL in image' do
doc = filter(image('files/images/logo-black.png'))
expect(doc.at_css('img')['src']).to eq 'files/images/logo-black.png'
end
end
shared_examples :relative_to_requested do
it 'rebuilds URL relative to the requested path' do
doc = filter(link('users.md'))
expect(doc.at_css('a')['href']).
to eq "/#{project_path}/blob/#{ref}/doc/api/users.md"
end
end
context 'with a project_wiki' do
let(:project_wiki) { double('ProjectWiki') }
include_examples :preserve_unchanged
end
context 'without a repository' do
let(:project) { create(:empty_project) }
include_examples :preserve_unchanged
end
context 'with an empty repository' do
let(:project) { create(:project_empty_repo) }
include_examples :preserve_unchanged
end
it 'does not raise an exception on invalid URIs' do
act = link("://foo")
expect { filter(act) }.not_to raise_error
end
context 'with a valid repository' do
it 'rebuilds relative URL for a file in the repo' do
doc = filter(link('doc/api/README.md'))
expect(doc.at_css('a')['href']).
to eq "/#{project_path}/blob/#{ref}/doc/api/README.md"
end
it 'rebuilds relative URL for a file in the repo with an anchor' do
doc = filter(link('README.md#section'))
expect(doc.at_css('a')['href']).
to eq "/#{project_path}/blob/#{ref}/README.md#section"
end
it 'rebuilds relative URL for a directory in the repo' do
doc = filter(link('doc/api/'))
expect(doc.at_css('a')['href']).
to eq "/#{project_path}/tree/#{ref}/doc/api"
end
it 'rebuilds relative URL for an image in the repo' do
doc = filter(link('files/images/logo-black.png'))
expect(doc.at_css('a')['href']).
to eq "/#{project_path}/raw/#{ref}/files/images/logo-black.png"
end
it 'does not modify relative URL with an anchor only' do
doc = filter(link('#section-1'))
expect(doc.at_css('a')['href']).to eq '#section-1'
end
it 'does not modify absolute URL' do
doc = filter(link('http://example.com'))
expect(doc.at_css('a')['href']).to eq 'http://example.com'
end
it 'supports Unicode filenames' do
path = 'files/images/한글.png'
escaped = Addressable::URI.escape(path)
# Stub these methods so the file doesn't actually need to be in the repo
allow_any_instance_of(described_class).to receive(:file_exists?).
and_return(true)
allow_any_instance_of(described_class).
to receive(:image?).with(path).and_return(true)
doc = filter(image(escaped))
expect(doc.at_css('img')['src']).to match '/raw/'
end
context 'when requested path is a file in the repo' do
let(:requested_path) { 'doc/api/README.md' }
include_examples :relative_to_requested
end
context 'when requested path is a directory in the repo' do
let(:requested_path) { 'doc/api' }
include_examples :relative_to_requested
end
end
end
end
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