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- # 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
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