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Diffstat (limited to 'spec/services/fetch_oembed_service_spec.rb')
-rw-r--r-- | spec/services/fetch_oembed_service_spec.rb | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/spec/services/fetch_oembed_service_spec.rb b/spec/services/fetch_oembed_service_spec.rb new file mode 100644 index 000000000..706eb3f2a --- /dev/null +++ b/spec/services/fetch_oembed_service_spec.rb @@ -0,0 +1,125 @@ +# frozen_string_literal: true + +require 'rails_helper' + +describe FetchOEmbedService, type: :service do + subject { described_class.new } + + before do + stub_request(:get, "https://host.test/provider.json").to_return(status: 404) + stub_request(:get, "https://host.test/provider.xml").to_return(status: 404) + end + + describe 'discover_provider' do + context 'when status code is 200 and MIME type is text/html' do + context 'Both of JSON and XML provider are discoverable' do + before do + stub_request(:get, 'https://host.test/oembed.html').to_return( + status: 200, + headers: { 'Content-Type': 'text/html' }, + body: request_fixture('oembed_json_xml.html') + ) + end + + it 'returns new OEmbed::Provider for JSON provider if :format option is set to :json' do + subject.call('https://host.test/oembed.html', format: :json) + expect(subject.endpoint_url).to eq 'https://host.test/provider.json' + expect(subject.format).to eq :json + end + + it 'returns new OEmbed::Provider for XML provider if :format option is set to :xml' do + subject.call('https://host.test/oembed.html', format: :xml) + expect(subject.endpoint_url).to eq 'https://host.test/provider.xml' + expect(subject.format).to eq :xml + end + end + + context 'JSON provider is discoverable while XML provider is not' do + before do + stub_request(:get, 'https://host.test/oembed.html').to_return( + status: 200, + headers: { 'Content-Type': 'text/html' }, + body: request_fixture('oembed_json.html') + ) + end + + it 'returns new OEmbed::Provider for JSON provider' do + subject.call('https://host.test/oembed.html') + expect(subject.endpoint_url).to eq 'https://host.test/provider.json' + expect(subject.format).to eq :json + end + end + + context 'XML provider is discoverable while JSON provider is not' do + before do + stub_request(:get, 'https://host.test/oembed.html').to_return( + status: 200, + headers: { 'Content-Type': 'text/html' }, + body: request_fixture('oembed_xml.html') + ) + end + + it 'returns new OEmbed::Provider for XML provider' do + subject.call('https://host.test/oembed.html') + expect(subject.endpoint_url).to eq 'https://host.test/provider.xml' + expect(subject.format).to eq :xml + end + end + + context 'Invalid XML provider is discoverable while JSON provider is not' do + before do + stub_request(:get, 'https://host.test/oembed.html').to_return( + status: 200, + headers: { 'Content-Type': 'text/html' }, + body: request_fixture('oembed_invalid_xml.html') + ) + end + + it 'returns nil' do + expect(subject.call('https://host.test/oembed.html')).to be_nil + end + end + + context 'Neither of JSON and XML provider is discoverable' do + before do + stub_request(:get, 'https://host.test/oembed.html').to_return( + status: 200, + headers: { 'Content-Type': 'text/html' }, + body: request_fixture('oembed_undiscoverable.html') + ) + end + + it 'returns nil' do + expect(subject.call('https://host.test/oembed.html')).to be_nil + end + end + end + + context 'when status code is not 200' do + before do + stub_request(:get, 'https://host.test/oembed.html').to_return( + status: 400, + headers: { 'Content-Type': 'text/html' }, + body: request_fixture('oembed_xml.html') + ) + end + + it 'returns nil' do + expect(subject.call('https://host.test/oembed.html')).to be_nil + end + end + + context 'when MIME type is not text/html' do + before do + stub_request(:get, 'https://host.test/oembed.html').to_return( + status: 200, + body: request_fixture('oembed_xml.html') + ) + end + + it 'returns nil' do + expect(subject.call('https://host.test/oembed.html')).to be_nil + end + end + end +end |