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require 'spec_helper'
describe Banzai::Filter::GollumTagsFilter, lib: true do
include FilterSpecHelper
let(:project) { create(:project) }
let(:user) { double }
let(:project_wiki) { ProjectWiki.new(project, user) }
describe 'validation' do
it 'ensure that a :project_wiki key exists in context' do
expect { filter("See [[images/image.jpg]]", {}) }.to raise_error ArgumentError, "Missing context keys for Banzai::Filter::GollumTagsFilter: :project_wiki"
end
end
context 'linking internal images' do
it 'creates img tag if image exists' do
file = Gollum::File.new(project_wiki.wiki)
expect(file).to receive(:path).and_return('images/image.jpg')
expect(project_wiki).to receive(:find_file).with('images/image.jpg').and_return(file)
tag = '[[images/image.jpg]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.at_css('img')['src']).to eq "#{project_wiki.wiki_base_path}/images/image.jpg"
end
it 'does not creates img tag if image does not exist' do
expect(project_wiki).to receive(:find_file).with('images/image.jpg').and_return(nil)
tag = '[[images/image.jpg]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.css('img').size).to eq 0
end
end
context 'linking external images' do
it 'creates img tag for valid URL' do
tag = '[[http://example.com/image.jpg]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.at_css('img')['src']).to eq "http://example.com/image.jpg"
end
it 'does not creates img tag for invalid URL' do
tag = '[[http://example.com/image.pdf]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.css('img').size).to eq 0
end
end
context 'linking external resources' do
it "the created link's text will be equal to the resource's text" do
tag = '[[http://example.com]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.at_css('a').text).to eq 'http://example.com'
expect(doc.at_css('a')['href']).to eq 'http://example.com'
end
it "the created link's text will be link-text" do
tag = '[[link-text|http://example.com/pdfs/gollum.pdf]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.at_css('a').text).to eq 'link-text'
expect(doc.at_css('a')['href']).to eq 'http://example.com/pdfs/gollum.pdf'
end
end
context 'linking internal resources' do
it "the created link's text will be equal to the resource's text" do
tag = '[[wiki-slug]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.at_css('a').text).to eq 'wiki-slug'
expect(doc.at_css('a')['href']).to eq 'wiki-slug'
end
it "the created link's text will be link-text" do
tag = '[[link-text|wiki-slug]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expect(doc.at_css('a').text).to eq 'link-text'
expect(doc.at_css('a')['href']).to eq 'wiki-slug'
end
end
context 'table of contents' do
let(:pipeline) { Banzai::Pipeline[:wiki] }
it 'replaces the tag with the TableOfContentsFilter result' do
markdown = <<-MD.strip_heredoc
[[_TOC_]]
## Header
Foo
MD
result = pipeline.call(markdown, project_wiki: project_wiki, project: project)
aggregate_failures do
expect(result[:output].text).not_to include '[[_TOC_]]'
expect(result[:output].text).not_to include '[['
expect(result[:output].to_html).to include(result[:toc])
end
end
it 'is case-sensitive' do
markdown = <<-MD.strip_heredoc
[[_toc_]]
# Header 1
Foo
MD
output = pipeline.to_html(markdown, project_wiki: project_wiki, project: project)
expect(output).to include('[[<em>toc</em>]]')
end
it 'handles an empty pipeline result' do
# No Markdown headers in this doc, so `result[:toc]` will be empty
markdown = <<-MD.strip_heredoc
[[_TOC_]]
Foo
MD
output = pipeline.to_html(markdown, project_wiki: project_wiki, project: project)
aggregate_failures do
expect(output).not_to include('<ul>')
expect(output).to include('[[<em>TOC</em>]]')
end
end
end
end
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