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