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71 lines
2.6 KiB
71 lines
2.6 KiB
# frozen_string_literal: true
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require 'rails_helper'
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RSpec.describe TranslationService::LibreTranslate do
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subject(:service) { described_class.new('https://libretranslate.example.com', 'my-api-key') }
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before do
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stub_request(:get, 'https://libretranslate.example.com/languages').to_return(
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body: '[{"code": "en","name": "English","targets": ["de","es"]},{"code": "da","name": "Danish","targets": ["en","de"]}]'
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)
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end
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describe '#supported?' do
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it 'supports included language pair' do
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expect(service.supported?('en', 'de')).to be true
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end
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it 'does not support reversed language pair' do
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expect(service.supported?('de', 'en')).to be false
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end
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it 'supports auto-detecting source language' do
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expect(service.supported?(nil, 'de')).to be true
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end
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it 'does not support auto-detecting for unsupported target language' do
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expect(service.supported?(nil, 'pt')).to be false
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end
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end
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describe '#languages' do
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subject(:languages) { service.send(:languages) }
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it 'includes supported source languages' do
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expect(languages.keys).to eq ['en', 'da', nil]
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end
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it 'includes supported target languages for source language' do
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expect(languages['en']).to eq %w(de es)
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end
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it 'includes supported target languages for auto-detected language' do
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expect(languages[nil]).to eq %w(de es en)
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end
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end
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describe '#translate' do
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it 'returns translation with specified source language' do
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stub_request(:post, 'https://libretranslate.example.com/translate')
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.with(body: '{"q":"Hasta la vista","source":"es","target":"en","format":"html","api_key":"my-api-key"}')
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.to_return(body: '{"translatedText": "See you"}')
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translation = service.translate('Hasta la vista', 'es', 'en')
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expect(translation.detected_source_language).to eq 'es'
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expect(translation.provider).to eq 'LibreTranslate'
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expect(translation.text).to eq 'See you'
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end
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it 'returns translation with auto-detected source language' do
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stub_request(:post, 'https://libretranslate.example.com/translate')
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.with(body: '{"q":"Guten Morgen","source":"auto","target":"en","format":"html","api_key":"my-api-key"}')
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.to_return(body: '{"detectedLanguage":{"confidence":92,"language":"de"},"translatedText":"Good morning"}')
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translation = service.translate('Guten Morgen', nil, 'en')
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expect(translation.detected_source_language).to be_nil
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expect(translation.provider).to eq 'LibreTranslate'
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expect(translation.text).to eq 'Good morning'
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end
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end
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end
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