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38e9662d78
If the input text is blank after preparation (only mention, or only URL, or empty as in a media post), then use nil as language, since it's OK to show to everyone. Otherwise, always fall back to the server's default locale
125 lines
4.0 KiB
Ruby
125 lines
4.0 KiB
Ruby
# 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 'strips #hashtags from strings before detection' do
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string = 'Hey look at all the #animals and #fish'
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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 and'
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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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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 '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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