require 'rails_helper' RSpec.describe FetchResourceService, type: :service do describe '#call' do let(:url) { 'http://example.com' } subject { described_class.new.call(url) } context 'with blank url' do let(:url) { '' } it { is_expected.to be_nil } end context 'when request fails' do before do stub_request(:get, url).to_return(status: 500, body: '', headers: {}) end it { is_expected.to be_nil } end context 'when OpenSSL::SSL::SSLError is raised' do before do request = double() allow(Request).to receive(:new).and_return(request) allow(request).to receive(:add_headers) allow(request).to receive(:on_behalf_of) allow(request).to receive(:perform).and_raise(OpenSSL::SSL::SSLError) end it { is_expected.to be_nil } end context 'when HTTP::ConnectionError is raised' do before do request = double() allow(Request).to receive(:new).and_return(request) allow(request).to receive(:add_headers) allow(request).to receive(:on_behalf_of) allow(request).to receive(:perform).and_raise(HTTP::ConnectionError) end it { is_expected.to be_nil } end context 'when request succeeds' do let(:body) { '' } let(:content_type) { 'application/json' } let(:headers) do { 'Content-Type' => content_type } end let(:json) do { id: 'http://example.com/foo', '@context': ActivityPub::TagManager::CONTEXT, type: 'Note', }.to_json end before do stub_request(:get, url).to_return(status: 200, body: body, headers: headers) end it 'signs request' do subject expect(a_request(:get, url).with(headers: { 'Signature' => /keyId="#{Regexp.escape(ActivityPub::TagManager.instance.key_uri_for(Account.representative))}"/ })).to have_been_made end context 'when content type is application/atom+xml' do let(:content_type) { 'application/atom+xml' } it { is_expected.to eq nil } end context 'when content type is activity+json' do let(:content_type) { 'application/activity+json; charset=utf-8' } let(:body) { json } it { is_expected.to eq ['http://example.com/foo', { prefetched_body: body }] } end context 'when content type is ld+json with profile' do let(:content_type) { 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"' } let(:body) { json } it { is_expected.to eq ['http://example.com/foo', { prefetched_body: body }] } end before do stub_request(:get, url).to_return(status: 200, body: body, headers: headers) stub_request(:get, 'http://example.com/foo').to_return(status: 200, body: json, headers: { 'Content-Type' => 'application/activity+json' }) end context 'when link header is present' do let(:headers) { { 'Link' => '; rel="alternate"; type="application/activity+json"', } } it { is_expected.to eq ['http://example.com/foo', { prefetched_body: json }] } end context 'when content type is text/html' do let(:content_type) { 'text/html' } let(:body) { '' } it { is_expected.to eq ['http://example.com/foo', { prefetched_body: json }] } end end end end