donphan/spec/lib/translation_service/libre_translate_spec.rb

73 lines
2.8 KiB
Ruby

# 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","en","es"]},{"code": "da","name": "Danish","targets": ["en","pt"]}]'
)
end
describe '#languages' do
subject(:languages) { service.languages }
it 'returns source languages' do
expect(languages.keys).to eq ['en', 'da', nil]
end
it 'returns target languages for each source language' do
expect(languages['en']).to eq %w(de es)
expect(languages['da']).to eq %w(en pt)
end
it 'returns target languages for auto-detected language' do
expect(languages[nil]).to eq %w(de en es pt)
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"]}')
translations = service.translate(['Hasta la vista'], 'es', 'en')
expect(translations.size).to eq 1
translation = translations.first
expect(translation.detected_source_language).to be '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"]}')
translations = service.translate(['Guten Morgen'], nil, 'en')
expect(translations.size).to eq 1
translation = translations.first
expect(translation.detected_source_language).to eq 'de'
expect(translation.provider).to eq 'LibreTranslate'
expect(translation.text).to eq 'Good morning'
end
it 'returns translation of multiple texts' do
stub_request(:post, 'https://libretranslate.example.com/translate')
.with(body: '{"q":["Guten Morgen","Gute Nacht"],"source":"de","target":"en","format":"html","api_key":"my-api-key"}')
.to_return(body: '{"translatedText": ["Good morning", "Good night"]}')
translations = service.translate(['Guten Morgen', 'Gute Nacht'], 'de', 'en')
expect(translations.size).to eq 2
expect(translations.first.text).to eq 'Good morning'
expect(translations.last.text).to eq 'Good night'
end
end
end