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require 'spec_helper'
describe Banzai::Filter::ExternalLinkFilter, lib: true do
include FilterSpecHelper
it 'ignores elements without an href attribute' do
exp = act = %q(<a id="ignored">Ignore Me</a>)
expect(filter(act).to_html).to eq exp
end
it 'ignores non-HTTP(S) links' do
exp = act = %q(<a href="irc://irc.freenode.net/gitlab">IRC</a>)
expect(filter(act).to_html).to eq exp
end
it 'skips internal links' do
internal = Gitlab.config.gitlab.url
exp = act = %Q(<a href="#{internal}/sign_in">Login</a>)
expect(filter(act).to_html).to eq exp
end
context 'for root links on document' do
let(:doc) { filter %q(<a href="https://google.com/">Google</a>) }
it 'adds rel="nofollow" to external links' do
expect(doc.at_css('a')).to have_attribute('rel')
expect(doc.at_css('a')['rel']).to include 'nofollow'
end
it 'adds rel="noreferrer" to external links' do
expect(doc.at_css('a')).to have_attribute('rel')
expect(doc.at_css('a')['rel']).to include 'noreferrer'
end
end
context 'for nested links on document' do
let(:doc) { filter %q(<p><a href="https://google.com/">Google</a></p>) }
it 'adds rel="nofollow" to external links' do
expect(doc.at_css('a')).to have_attribute('rel')
expect(doc.at_css('a')['rel']).to include 'nofollow'
end
it 'adds rel="noreferrer" to external links' do
expect(doc.at_css('a')).to have_attribute('rel')
expect(doc.at_css('a')['rel']).to include 'noreferrer'
end
end
end
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