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Remove language detection through cld3 (#17478)

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* Remove language detection through cld3

* Update app/helpers/languages_helper.rb

Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>

Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>
This commit is contained in:
Eugen Rochko 2022-02-08 02:41:17 +01:00 • committed by GitHub
parent 85b86fe28c
commit b6d7726ecb
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16 changed files with 238 additions and 348 deletions
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6
spec/helpers/languages_helper_spec.rb
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@ -3,9 +3,9 @@
require 'rails_helper'
describe LanguagesHelper do
describe 'the HUMAN_LOCALES constant' do
it 'includes all I18n locales' do
expect(described_class::HUMAN_LOCALES.keys).to include(*I18n.available_locales)
describe 'the SUPPORTED_LOCALES constant' do
it 'includes all i18n locales' do
expect(Set.new(described_class::SUPPORTED_LOCALES.keys + described_class::REGIONAL_LOCALE_NAMES.keys)).to include(*I18n.available_locales)
end
end

134
spec/lib/language_detector_spec.rb
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@ -1,134 +0,0 @@
# frozen_string_literal: true
require 'rails_helper'
describe LanguageDetector do
describe 'prepare_text' do
it 'returns unmodified string without special cases' do
string = 'just a regular string'
result = described_class.instance.send(:prepare_text, string)
expect(result).to eq string
end
it 'collapses spacing in strings' do
string = 'The formatting in this is very odd'
result = described_class.instance.send(:prepare_text, string)
expect(result).to eq 'The formatting in this is very odd'
end
it 'strips usernames from strings before detection' do
string = '@username Yeah, very surreal...! also @friend'
result = described_class.instance.send(:prepare_text, string)
expect(result).to eq 'Yeah, very surreal...! also'
end
it 'strips URLs from strings before detection' do
string = 'Our website is https://example.com and also http://localhost.dev'
result = described_class.instance.send(:prepare_text, string)
expect(result).to eq 'Our website is and also'
end
it 'converts #hashtags back to normal text before detection' do
string = 'Hey look at all the #animals and #FishAndChips'
result = described_class.instance.send(:prepare_text, string)
expect(result).to eq 'Hey look at all the animals and fish and chips'
end
end
describe 'detect' do
let(:account_without_user_locale) { Fabricate(:user, locale: nil).account }
let(:account_remote) { Fabricate(:account, domain: 'joinmastodon.org') }
it 'detects english language for basic strings' do
strings = [
"Hello and welcome to mastodon how are you today?",
"I'd rather not!",
"a lot of people just want to feel righteous all the time and that's all that matters",
]
strings.each do |string|
result = described_class.instance.detect(string, account_without_user_locale)
expect(result).to eq(:en), string
end
end
it 'detects spanish language' do
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'
result = described_class.instance.detect(string, account_without_user_locale)
expect(result).to eq :es
end
describe 'when language can\'t be detected' do
it 'uses nil when sent an empty document' do
result = described_class.instance.detect('', account_without_user_locale)
expect(result).to eq nil
end
describe 'because of a URL' do
it 'uses nil when sent just a URL' do
string = 'http://example.com/media/2kFTgOJLXhQf0g2nKB4'
cld_result = CLD3::NNetLanguageIdentifier.new(0, 2048).find_language(string)
expect(cld_result).not_to eq :en
result = described_class.instance.detect(string, account_without_user_locale)
expect(result).to eq nil
end
end
describe 'with an account' do
it 'uses the account locale when present' do
account = double(user_locale: 'fr')
result = described_class.instance.detect('', account)
expect(result).to eq nil
end
it 'uses nil when account is present but has no locale' do
result = described_class.instance.detect('', account_without_user_locale)
expect(result).to eq nil
end
end
describe 'with an `en` default locale' do
it 'uses nil for undetectable string' do
result = described_class.instance.detect('', account_without_user_locale)
expect(result).to eq nil
end
end
describe 'remote user' do
it 'detects Korean language' do
string = '안녕하세요'
result = described_class.instance.detect(string, account_remote)
expect(result).to eq :ko
end
end
describe 'with a non-`en` default locale' do
around(:each) do |example|
before = I18n.default_locale
I18n.default_locale = :ja
example.run
I18n.default_locale = before
end
it 'uses nil for undetectable string' do
string = ''
result = described_class.instance.detect(string, account_without_user_locale)
expect(result).to eq nil
end
end
end
end
end