diff options
Diffstat (limited to 'spec/lib/gitlab/pagination/keyset/cursor_based_request_context_spec.rb')
-rw-r--r-- | spec/lib/gitlab/pagination/keyset/cursor_based_request_context_spec.rb | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/spec/lib/gitlab/pagination/keyset/cursor_based_request_context_spec.rb b/spec/lib/gitlab/pagination/keyset/cursor_based_request_context_spec.rb new file mode 100644 index 00000000000..79de6f230ec --- /dev/null +++ b/spec/lib/gitlab/pagination/keyset/cursor_based_request_context_spec.rb @@ -0,0 +1,68 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe Gitlab::Pagination::Keyset::CursorBasedRequestContext do + let(:params) { { per_page: 2, cursor: 'eyJuYW1lIjoiR2l0TGFiIEluc3RhbmNlIiwiaWQiOiI1MiIsIl9rZCI6Im4ifQ==', order_by: :name, sort: :asc } } + let(:request) { double('request', url: 'http://localhost') } + let(:request_context) { double('request_context', header: nil, params: params, request: request) } + + describe '#per_page' do + subject(:per_page) { described_class.new(request_context).per_page } + + it { is_expected.to eq 2 } + end + + describe '#cursor' do + subject(:cursor) { described_class.new(request_context).cursor } + + it { is_expected.to eq 'eyJuYW1lIjoiR2l0TGFiIEluc3RhbmNlIiwiaWQiOiI1MiIsIl9rZCI6Im4ifQ==' } + end + + describe '#order_by' do + subject(:order_by) { described_class.new(request_context).order_by } + + it { is_expected.to eq({ name: :asc }) } + end + + describe '#apply_headers' do + let(:request) { double('request', url: "http://#{Gitlab.config.gitlab.host}/api/v4/projects?per_page=3") } + let(:params) { { per_page: 3 } } + let(:request_context) { double('request_context', header: nil, params: params, request: request) } + let(:cursor_for_next_page) { 'eyJuYW1lIjoiSDVicCIsImlkIjoiMjgiLCJfa2QiOiJuIn0=' } + + subject(:apply_headers) { described_class.new(request_context).apply_headers(cursor_for_next_page) } + + it 'sets Link header with same host/path as the original request' do + orig_uri = URI.parse(request_context.request.url) + + expect(request_context).to receive(:header).once do |name, header| + first_link, _ = /<([^>]+)>; rel="next"/.match(header).captures + + uri = URI.parse(first_link) + + expect(name).to eq('Link') + expect(uri.host).to eq(orig_uri.host) + expect(uri.path).to eq(orig_uri.path) + end + + apply_headers + end + + it 'sets Link header with a cursor to the next page' do + orig_uri = URI.parse(request_context.request.url) + + expect(request_context).to receive(:header).once do |name, header| + first_link, _ = /<([^>]+)>; rel="next"/.match(header).captures + + query = CGI.parse(URI.parse(first_link).query) + + expect(name).to eq('Link') + expect(query.except('cursor')).to eq(CGI.parse(orig_uri.query).except('cursor')) + expect(query['cursor']).to eq([cursor_for_next_page]) + end + + apply_headers + end + end +end |