gitlab-org--gitlab-foss/spec/lib/rouge/formatters/html_gitlab_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Rouge::Formatters::HTMLGitlab do
describe '#format' do
subject { described_class.format(tokens, **options) }
let(:lang) { 'ruby' }
let(:lexer) { Rouge::Lexer.find_fancy(lang) }
let(:tokens) { lexer.lex("def hello", continue: false) }
let(:options) { { tag: lang } }
it 'returns highlighted ruby code' do
code = %q{<span id="LC1" class="line" lang="ruby"><span class="k">def</span> <span class="nf">hello</span></span>}
is_expected.to eq(code)
end
context 'when options are empty' do
let(:options) { {} }
it 'returns highlighted code without language' do
code = %q{<span id="LC1" class="line" lang=""><span class="k">def</span> <span class="nf">hello</span></span>}
is_expected.to eq(code)
end
end
context 'when line number is provided' do
let(:options) { { tag: lang, line_number: 10 } }
it 'returns highlighted ruby code with correct line number' do
code = %q{<span id="LC10" class="line" lang="ruby"><span class="k">def</span> <span class="nf">hello</span></span>}
is_expected.to eq(code)
end
end
context 'when unicode control characters are used' do
let(:lang) { 'javascript' }
let(:tokens) { lexer.lex(code, continue: false) }
let(:code) do
<<~JS
#!/usr/bin/env node
var accessLevel = "user";
if (accessLevel != "user // Check if admin ") {
console.log("You are an admin.");
}
JS
end
it 'highlights the control characters' do
message = "Potentially unwanted character detected: Unicode BiDi Control"
is_expected.to include(%{<span class="unicode-bidi has-tooltip" data-toggle="tooltip" title="#{message}">}).exactly(4).times
end
end
end
end