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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 includes the resource's text and wiki base path" do
tag = '[[wiki-slug]]'
doc = filter("See #{tag}", project_wiki: project_wiki)
expected_path = ::File.join(project_wiki.wiki_base_path, 'wiki-slug')
expect(doc.at_css('a').text).to eq 'wiki-slug'
expect(doc.at_css('a')['href']).to eq expected_path
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)
expected_path = ::File.join(project_wiki.wiki_base_path, 'wiki-slug')
expect(doc.at_css('a').text).to eq 'link-text'
expect(doc.at_css('a')['href']).to eq expected_path
end
end
context 'table of contents' do
it 'replaces [[<em>TOC</em>]] with ToC result' do
doc = described_class.call("<p>[[<em>TOC</em>]]</p>", { project_wiki: project_wiki }, { toc: "FOO" })
expect(doc.to_html).to eq("FOO")
end
it 'handles an empty ToC result' do
input = "<p>[[<em>TOC</em>]]</p>"
doc = described_class.call(input, project_wiki: project_wiki)
expect(doc.to_html).to eq ''
end
end
end
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