debian-mirror-gitlab/spec/lib/gitlab/utils/link_header_parser_spec.rb
2022-08-27 11:52:29 +05:30

75 lines
2 KiB
Ruby

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