76 lines
2.0 KiB
Ruby
76 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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RSpec.describe Gitlab::Utils::LinkHeaderParser do
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let(:parser) { described_class.new(header) }
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describe '#parse' do
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subject { parser.parse }
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context 'with a valid header' do
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let(:header) { generate_header(next: 'http://sandbox.org/next') }
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let(:expected) { { next: { uri: URI('http://sandbox.org/next') } } }
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it { is_expected.to eq(expected) }
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context 'with multiple links' do
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let(:header) { generate_header(next: 'http://sandbox.org/next', previous: 'http://sandbox.org/previous') }
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let(:expected) do
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{
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next: { uri: URI('http://sandbox.org/next') },
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previous: { uri: URI('http://sandbox.org/previous') }
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}
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end
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it { is_expected.to eq(expected) }
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end
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context 'with an incomplete uri' do
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let(:header) { '<http://sandbox.org/next; rel="next"' }
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it { is_expected.to eq({}) }
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end
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context 'with no rel' do
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let(:header) { '<http://sandbox.org/next>; direction="next"' }
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it { is_expected.to eq({}) }
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end
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context 'with multiple rel elements' do
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# check https://datatracker.ietf.org/doc/html/rfc5988#section-5.3:
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# occurrences after the first MUST be ignored by parsers
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let(:header) { '<http://sandbox.org/next>; rel="next"; rel="dummy"' }
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it { is_expected.to eq(expected) }
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end
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context 'when the url is too long' do
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let(:header) { "<http://sandbox.org/#{'a' * 500}>; rel=\"next\"" }
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it { is_expected.to eq({}) }
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end
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end
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context 'with nil header' do
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let(:header) { nil }
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it { is_expected.to eq({}) }
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end
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context 'with empty header' do
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let(:header) { '' }
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it { is_expected.to eq({}) }
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end
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def generate_header(links)
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stringified_links = links.map do |rel, url|
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"<#{url}>; rel=\"#{rel}\""
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end
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stringified_links.join(', ')
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end
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end
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end
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