vt-social/spec/lib/translation_service/deepl_spec.rb

83 lines
2.9 KiB
Ruby

# 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 '#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.languages.keys).to eq [nil, 'en', 'uk']
end
it 'returns target languages for each source language' do
expect(service.languages['en']).to eq %w(pt en-GB zh)
expect(service.languages['uk']).to eq %w(en pt en-GB zh)
end
it 'returns target languages for auto-detection' do
expect(service.languages[nil]).to eq %w(en pt en-GB zh)
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