debian-mirror-gitlab/spec/helpers/webpack_helper_spec.rb

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2021-06-08 01:23:25 +05:30
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe WebpackHelper do
let(:source) { 'foo.js' }
let(:asset_path) { "/assets/webpack/#{source}" }
describe '#prefetch_link_tag' do
it 'returns prefetch link tag' do
expect(helper.prefetch_link_tag(source)).to eq("<link rel=\"prefetch\" href=\"/#{source}\">")
end
end
describe '#webpack_preload_asset_tag' do
before do
allow(Gitlab::Webpack::Manifest).to receive(:asset_paths).and_return([asset_path])
end
it 'preloads the resource by default' do
expect(helper).to receive(:preload_link_tag).with(asset_path, {}).and_call_original
output = helper.webpack_preload_asset_tag(source)
expect(output).to eq("<link rel=\"preload\" href=\"#{asset_path}\" as=\"script\" type=\"text/javascript\">")
end
it 'prefetches the resource if explicitly asked' do
expect(helper).to receive(:prefetch_link_tag).with(asset_path).and_call_original
output = helper.webpack_preload_asset_tag(source, prefetch: true)
expect(output).to eq("<link rel=\"prefetch\" href=\"#{asset_path}\">")
end
end
end