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201 lines
7.6 KiB
201 lines
7.6 KiB
# frozen_string_literal: true |
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require 'rails_helper' |
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describe FetchOEmbedService, type: :service do |
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subject { described_class.new } |
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before do |
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stub_request(:get, 'https://host.test/provider.json').to_return(status: 404) |
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stub_request(:get, 'https://host.test/provider.xml').to_return(status: 404) |
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stub_request(:get, 'https://host.test/empty_provider.json').to_return(status: 200) |
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end |
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describe 'discover_provider' do |
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context 'when status code is 200 and MIME type is text/html' do |
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context 'when OEmbed endpoint contains URL as parameter' do |
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before do |
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stub_request(:get, 'https://www.youtube.com/watch?v=IPSbNdBmWKE').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_youtube.html') |
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) |
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stub_request(:get, 'https://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DIPSbNdBmWKE').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_json_empty.html') |
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) |
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end |
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it 'returns new OEmbed::Provider for JSON provider' do |
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subject.call('https://www.youtube.com/watch?v=IPSbNdBmWKE') |
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expect(subject.endpoint_url).to eq 'https://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DIPSbNdBmWKE' |
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expect(subject.format).to eq :json |
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end |
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it 'stores URL template' do |
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subject.call('https://www.youtube.com/watch?v=IPSbNdBmWKE') |
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expect(Rails.cache.read('oembed_endpoint:www.youtube.com')[:endpoint]).to eq 'https://www.youtube.com/oembed?format=json&url={url}' |
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end |
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end |
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context 'when both of JSON and XML provider are discoverable' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_json_xml.html') |
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) |
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end |
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it 'returns new OEmbed::Provider for JSON provider if :format option is set to :json' do |
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subject.call('https://host.test/oembed.html', format: :json) |
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expect(subject.endpoint_url).to eq 'https://host.test/provider.json' |
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expect(subject.format).to eq :json |
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end |
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it 'returns new OEmbed::Provider for XML provider if :format option is set to :xml' do |
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subject.call('https://host.test/oembed.html', format: :xml) |
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expect(subject.endpoint_url).to eq 'https://host.test/provider.xml' |
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expect(subject.format).to eq :xml |
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end |
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it 'does not cache OEmbed endpoint' do |
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subject.call('https://host.test/oembed.html', format: :xml) |
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expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false |
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end |
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end |
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context 'when JSON provider is discoverable while XML provider is not' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_json.html') |
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) |
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end |
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it 'returns new OEmbed::Provider for JSON provider' do |
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subject.call('https://host.test/oembed.html') |
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expect(subject.endpoint_url).to eq 'https://host.test/provider.json' |
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expect(subject.format).to eq :json |
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end |
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it 'does not cache OEmbed endpoint' do |
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subject.call('https://host.test/oembed.html') |
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expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false |
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end |
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end |
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context 'when XML provider is discoverable while JSON provider is not' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_xml.html') |
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) |
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end |
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it 'returns new OEmbed::Provider for XML provider' do |
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subject.call('https://host.test/oembed.html') |
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expect(subject.endpoint_url).to eq 'https://host.test/provider.xml' |
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expect(subject.format).to eq :xml |
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end |
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it 'does not cache OEmbed endpoint' do |
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subject.call('https://host.test/oembed.html') |
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expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false |
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end |
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end |
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context 'with Invalid XML provider is discoverable while JSON provider is not' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_invalid_xml.html') |
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) |
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end |
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it 'returns nil' do |
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expect(subject.call('https://host.test/oembed.html')).to be_nil |
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end |
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end |
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context 'with neither of JSON and XML provider is discoverable' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_undiscoverable.html') |
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) |
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end |
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it 'returns nil' do |
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expect(subject.call('https://host.test/oembed.html')).to be_nil |
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end |
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end |
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context 'when empty JSON provider is discoverable' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_json_empty.html') |
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) |
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end |
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it 'returns new OEmbed::Provider for JSON provider' do |
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subject.call('https://host.test/oembed.html') |
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expect(subject.endpoint_url).to eq 'https://host.test/empty_provider.json' |
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expect(subject.format).to eq :json |
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end |
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end |
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end |
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context 'when endpoint is cached' do |
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before do |
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stub_request(:get, 'http://www.youtube.com/oembed?format=json&url=https://www.youtube.com/watch?v=dqwpQarrDwk').to_return( |
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status: 200, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_json_empty.html') |
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) |
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end |
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it 'returns new provider without fetching original URL first' do |
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subject.call('https://www.youtube.com/watch?v=dqwpQarrDwk', cached_endpoint: { endpoint: 'http://www.youtube.com/oembed?format=json&url={url}', format: :json }) |
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expect(a_request(:get, 'https://www.youtube.com/watch?v=dqwpQarrDwk')).to_not have_been_made |
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expect(subject.endpoint_url).to eq 'http://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdqwpQarrDwk' |
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expect(subject.format).to eq :json |
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expect(a_request(:get, 'http://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdqwpQarrDwk')).to have_been_made |
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end |
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end |
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context 'when status code is not 200' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 400, |
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headers: { 'Content-Type': 'text/html' }, |
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body: request_fixture('oembed_xml.html') |
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) |
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end |
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it 'returns nil' do |
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expect(subject.call('https://host.test/oembed.html')).to be_nil |
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end |
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end |
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context 'when MIME type is not text/html' do |
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before do |
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stub_request(:get, 'https://host.test/oembed.html').to_return( |
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status: 200, |
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body: request_fixture('oembed_xml.html') |
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) |
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end |
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it 'returns nil' do |
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expect(subject.call('https://host.test/oembed.html')).to be_nil |
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end |
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end |
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end |
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end
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