From 5a8c651e8f0252c7135042e79396f782361302d9 Mon Sep 17 00:00:00 2001 From: Christian Schmidt Date: Fri, 3 Mar 2023 21:06:31 +0100 Subject: Only offer translation for supported languages (#23879) --- spec/lib/translation_service/deepl_spec.rb | 100 +++++++++++++++++++++ .../translation_service/libre_translate_spec.rb | 71 +++++++++++++++ 2 files changed, 171 insertions(+) create mode 100644 spec/lib/translation_service/deepl_spec.rb create mode 100644 spec/lib/translation_service/libre_translate_spec.rb (limited to 'spec/lib') diff --git a/spec/lib/translation_service/deepl_spec.rb b/spec/lib/translation_service/deepl_spec.rb new file mode 100644 index 000000000..aa2473186 --- /dev/null +++ b/spec/lib/translation_service/deepl_spec.rb @@ -0,0 +1,100 @@ +# frozen_string_literal: true + +require 'rails_helper' + +RSpec.describe TranslationService::DeepL do + subject(:service) { described_class.new(plan, 'my-api-key') } + + let(:plan) { 'advanced' } + + before do + stub_request(:get, 'https://api.deepl.com/v2/languages?type=source').to_return( + body: '[{"language":"EN","name":"English"},{"language":"UK","name":"Ukrainian"}]' + ) + stub_request(:get, 'https://api.deepl.com/v2/languages?type=target').to_return( + body: '[{"language":"EN-GB","name":"English (British)"},{"language":"ZH","name":"Chinese"}]' + ) + end + + describe '#supported?' do + it 'supports included languages as source and target languages' do + expect(service.supported?('uk', 'en')).to be true + end + + it 'supports auto-detecting source language' do + expect(service.supported?(nil, 'en')).to be true + end + + it 'supports "en" and "pt" as target languages though not included in language list' do + expect(service.supported?('uk', 'en')).to be true + expect(service.supported?('uk', 'pt')).to be true + end + + it 'does not support non-included language as target language' do + expect(service.supported?('uk', 'nl')).to be false + end + + it 'does not support non-included language as source language' do + expect(service.supported?('da', 'en')).to be false + end + end + + describe '#translate' do + it 'returns translation with specified source language' do + stub_request(:post, 'https://api.deepl.com/v2/translate') + .with(body: 'text=Hasta+la+vista&source_lang=ES&target_lang=en&tag_handling=html') + .to_return(body: '{"translations":[{"detected_source_language":"ES","text":"See you soon"}]}') + + translation = service.translate('Hasta la vista', 'es', 'en') + expect(translation.detected_source_language).to eq 'es' + expect(translation.provider).to eq 'DeepL.com' + expect(translation.text).to eq 'See you soon' + end + + it 'returns translation with auto-detected source language' do + stub_request(:post, 'https://api.deepl.com/v2/translate') + .with(body: 'text=Guten+Tag&source_lang&target_lang=en&tag_handling=html') + .to_return(body: '{"translations":[{"detected_source_language":"DE","text":"Good Morning"}]}') + + translation = service.translate('Guten Tag', nil, 'en') + expect(translation.detected_source_language).to eq 'de' + expect(translation.provider).to eq 'DeepL.com' + expect(translation.text).to eq 'Good Morning' + end + end + + describe '#languages?' do + it 'returns source languages' do + expect(service.send(:languages, 'source')).to eq ['en', 'uk', nil] + end + + it 'returns target languages' do + expect(service.send(:languages, 'target')).to eq %w(en-gb zh en pt) + end + end + + describe '#request' do + before do + stub_request(:any, //) + # rubocop:disable Lint/EmptyBlock + service.send(:request, :get, '/v2/languages') { |res| } + # rubocop:enable Lint/EmptyBlock + end + + it 'uses paid plan base URL' do + expect(a_request(:get, 'https://api.deepl.com/v2/languages')).to have_been_made.once + end + + context 'with free plan' do + let(:plan) { 'free' } + + it 'uses free plan base URL' do + expect(a_request(:get, 'https://api-free.deepl.com/v2/languages')).to have_been_made.once + end + end + + it 'sends API key' do + expect(a_request(:get, 'https://api.deepl.com/v2/languages').with(headers: { Authorization: 'DeepL-Auth-Key my-api-key' })).to have_been_made.once + end + end +end diff --git a/spec/lib/translation_service/libre_translate_spec.rb b/spec/lib/translation_service/libre_translate_spec.rb new file mode 100644 index 000000000..a6cb01884 --- /dev/null +++ b/spec/lib/translation_service/libre_translate_spec.rb @@ -0,0 +1,71 @@ +# frozen_string_literal: true + +require 'rails_helper' + +RSpec.describe TranslationService::LibreTranslate do + subject(:service) { described_class.new('https://libretranslate.example.com', 'my-api-key') } + + before do + stub_request(:get, 'https://libretranslate.example.com/languages').to_return( + body: '[{"code": "en","name": "English","targets": ["de","es"]},{"code": "da","name": "Danish","targets": ["en","de"]}]' + ) + end + + describe '#supported?' do + it 'supports included language pair' do + expect(service.supported?('en', 'de')).to be true + end + + it 'does not support reversed language pair' do + expect(service.supported?('de', 'en')).to be false + end + + it 'supports auto-detecting source language' do + expect(service.supported?(nil, 'de')).to be true + end + + it 'does not support auto-detecting for unsupported target language' do + expect(service.supported?(nil, 'pt')).to be false + end + end + + describe '#languages' do + subject(:languages) { service.send(:languages) } + + it 'includes supported source languages' do + expect(languages.keys).to eq ['en', 'da', nil] + end + + it 'includes supported target languages for source language' do + expect(languages['en']).to eq %w(de es) + end + + it 'includes supported target languages for auto-detected language' do + expect(languages[nil]).to eq %w(de es en) + end + end + + describe '#translate' do + it 'returns translation with specified source language' do + stub_request(:post, 'https://libretranslate.example.com/translate') + .with(body: '{"q":"Hasta la vista","source":"es","target":"en","format":"html","api_key":"my-api-key"}') + .to_return(body: '{"translatedText": "See you"}') + + translation = service.translate('Hasta la vista', 'es', 'en') + expect(translation.detected_source_language).to eq 'es' + expect(translation.provider).to eq 'LibreTranslate' + expect(translation.text).to eq 'See you' + end + + it 'returns translation with auto-detected source language' do + stub_request(:post, 'https://libretranslate.example.com/translate') + .with(body: '{"q":"Guten Morgen","source":"auto","target":"en","format":"html","api_key":"my-api-key"}') + .to_return(body: '{"detectedLanguage":{"confidence":92,"language":"de"},"translatedText":"Good morning"}') + + translation = service.translate('Guten Morgen', nil, 'en') + expect(translation.detected_source_language).to be_nil + expect(translation.provider).to eq 'LibreTranslate' + expect(translation.text).to eq 'Good morning' + end + end +end -- cgit