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134 lines
4.3 KiB
134 lines
4.3 KiB
# frozen_string_literal: true
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require 'rails_helper'
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describe LanguageDetector do
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describe 'prepare_text' do
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it 'returns unmodified string without special cases' do
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string = 'just a regular string'
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result = described_class.instance.send(:prepare_text, string)
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expect(result).to eq string
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end
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it 'collapses spacing in strings' do
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string = 'The formatting in this is very odd'
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result = described_class.instance.send(:prepare_text, string)
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expect(result).to eq 'The formatting in this is very odd'
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end
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it 'strips usernames from strings before detection' do
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string = '@username Yeah, very surreal...! also @friend'
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result = described_class.instance.send(:prepare_text, string)
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expect(result).to eq 'Yeah, very surreal...! also'
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end
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it 'strips URLs from strings before detection' do
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string = 'Our website is https://example.com and also http://localhost.dev'
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result = described_class.instance.send(:prepare_text, string)
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expect(result).to eq 'Our website is and also'
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end
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it 'converts #hashtags back to normal text before detection' do
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string = 'Hey look at all the #animals and #FishAndChips'
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result = described_class.instance.send(:prepare_text, string)
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expect(result).to eq 'Hey look at all the animals and fish and chips'
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end
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end
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describe 'detect' do
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let(:account_without_user_locale) { Fabricate(:user, locale: nil).account }
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let(:account_remote) { Fabricate(:account, domain: 'joinmastodon.org') }
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it 'detects english language for basic strings' do
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strings = [
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"Hello and welcome to mastodon how are you today?",
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"I'd rather not!",
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"a lot of people just want to feel righteous all the time and that's all that matters",
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]
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strings.each do |string|
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result = described_class.instance.detect(string, account_without_user_locale)
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expect(result).to eq(:en), string
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end
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end
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it 'detects spanish language' do
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string = 'Obtener un Hola y bienvenidos a Mastodon. Obtener un Hola y bienvenidos a Mastodon. Obtener un Hola y bienvenidos a Mastodon. Obtener un Hola y bienvenidos a Mastodon'
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result = described_class.instance.detect(string, account_without_user_locale)
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expect(result).to eq :es
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end
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describe 'when language can\'t be detected' do
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it 'uses nil when sent an empty document' do
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result = described_class.instance.detect('', account_without_user_locale)
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expect(result).to eq nil
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end
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describe 'because of a URL' do
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it 'uses nil when sent just a URL' do
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string = 'http://example.com/media/2kFTgOJLXhQf0g2nKB4'
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cld_result = CLD3::NNetLanguageIdentifier.new(0, 2048).find_language(string)
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expect(cld_result).not_to eq :en
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result = described_class.instance.detect(string, account_without_user_locale)
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expect(result).to eq nil
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end
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end
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describe 'with an account' do
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it 'uses the account locale when present' do
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account = double(user_locale: 'fr')
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result = described_class.instance.detect('', account)
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expect(result).to eq nil
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end
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it 'uses nil when account is present but has no locale' do
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result = described_class.instance.detect('', account_without_user_locale)
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expect(result).to eq nil
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end
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end
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describe 'with an `en` default locale' do
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it 'uses nil for undetectable string' do
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result = described_class.instance.detect('', account_without_user_locale)
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expect(result).to eq nil
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end
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end
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describe 'remote user' do
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it 'detects Korean language' do
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string = '안녕하세요'
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result = described_class.instance.detect(string, account_remote)
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expect(result).to eq :ko
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end
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end
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describe 'with a non-`en` default locale' do
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around(:each) do |example|
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before = I18n.default_locale
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I18n.default_locale = :ja
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example.run
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I18n.default_locale = before
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end
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it 'uses nil for undetectable string' do
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string = ''
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result = described_class.instance.detect(string, account_without_user_locale)
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expect(result).to eq nil
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end
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end
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end
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end
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end
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