311 lines
9.4 KiB
Ruby
311 lines
9.4 KiB
Ruby
# frozen_string_literal: true
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require "mini_racer"
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RSpec.describe JsLocaleHelper do
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let(:v8_ctx) do
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node_modules = "#{Rails.root}/node_modules/"
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transpiler = DiscourseJsProcessor::Transpiler.new
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discourse_i18n =
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transpiler.perform(
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File.read("#{Rails.root}/app/assets/javascripts/discourse-i18n/src/index.js"),
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"app/assets/javascripts/discourse",
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"discourse-i18n",
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)
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ctx = MiniRacer::Context.new
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ctx.load("#{node_modules}/loader.js/dist/loader/loader.js")
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ctx.eval("var window = globalThis;")
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ctx.eval(discourse_i18n)
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ctx.eval <<~JS
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define("discourse/loader-shims", () => {})
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JS
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ctx.load("#{Rails.root}/app/assets/javascripts/locales/i18n.js")
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ctx
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end
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module StubLoadTranslations
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def set_translations(locale, translations)
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@loaded_translations ||= HashWithIndifferentAccess.new
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@loaded_translations[locale] = translations
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end
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def clear_cache!
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@loaded_translations = nil
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@loaded_merges = nil
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end
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end
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JsLocaleHelper.extend StubLoadTranslations
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before { JsLocaleHelper.clear_cache! }
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after { JsLocaleHelper.clear_cache! }
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describe "#output_locale" do
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it "doesn't change the cached translations hash" do
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I18n.locale = :fr
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expect(JsLocaleHelper.output_locale("fr").length).to be > 0
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expect(JsLocaleHelper.translations_for("fr")["fr"].keys).to contain_exactly(
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"js",
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"admin_js",
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"wizard_js",
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)
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end
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end
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describe "message format" do
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def message_format_filename(locale)
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Rails.root + "lib/javascripts/locale/#{locale}.js"
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end
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def setup_message_format(format)
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filename = message_format_filename("en")
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compiled = JsLocaleHelper.compile_message_format(filename, "en", format)
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@ctx = MiniRacer::Context.new
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@ctx.eval("MessageFormat = {locale: {}};")
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@ctx.load(filename)
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@ctx.eval("var test = #{compiled}")
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end
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def localize(opts)
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@ctx.eval("test(#{opts.to_json})")
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end
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it "handles plurals" do
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setup_message_format(
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"{NUM_RESULTS, plural,
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one {1 result}
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other {# results}
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}",
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)
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expect(localize(NUM_RESULTS: 1)).to eq("1 result")
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expect(localize(NUM_RESULTS: 2)).to eq("2 results")
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end
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it "handles double plurals" do
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setup_message_format(
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"{NUM_RESULTS, plural,
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one {1 result}
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other {# results}
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} and {NUM_APPLES, plural,
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one {1 apple}
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other {# apples}
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}",
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)
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expect(localize(NUM_RESULTS: 1, NUM_APPLES: 2)).to eq("1 result and 2 apples")
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expect(localize(NUM_RESULTS: 2, NUM_APPLES: 1)).to eq("2 results and 1 apple")
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end
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it "handles select" do
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setup_message_format("{GENDER, select, male {He} female {She} other {They}} read a book")
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expect(localize(GENDER: "male")).to eq("He read a book")
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expect(localize(GENDER: "female")).to eq("She read a book")
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expect(localize(GENDER: "none")).to eq("They read a book")
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end
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it "can strip out message formats" do
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hash = { "a" => "b", "c" => { "d" => { "f_MF" => "bob" } } }
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expect(JsLocaleHelper.strip_out_message_formats!(hash)).to eq("c.d.f_MF" => "bob")
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expect(hash["c"]["d"]).to eq({})
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end
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it "handles message format special keys" do
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JsLocaleHelper.set_translations(
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"en",
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"en" => {
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"js" => {
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"hello" => "world",
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"test_MF" => "{HELLO} {COUNT, plural, one {1 duck} other {# ducks}}",
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"error_MF" => "{{BLA}",
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"simple_MF" => "{COUNT, plural, one {1} other {#}}",
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},
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"admin_js" => {
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"foo_MF" => "{HELLO} {COUNT, plural, one {1 duck} other {# ducks}}",
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},
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},
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)
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ctx = MiniRacer::Context.new
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ctx.eval("I18n = { pluralizationRules: {} };")
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ctx.eval(JsLocaleHelper.output_locale("en"))
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expect(ctx.eval('I18n.translations["en"]["js"]["hello"]')).to eq("world")
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expect(ctx.eval('I18n.translations["en"]["js"]["test_MF"]')).to eq(nil)
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expect(ctx.eval('I18n.messageFormat("test_MF", { HELLO: "hi", COUNT: 3 })')).to eq(
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"hi 3 ducks",
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)
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expect(ctx.eval('I18n.messageFormat("error_MF", { HELLO: "hi", COUNT: 3 })')).to match(
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/Invalid Format/,
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)
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expect(ctx.eval('I18n.messageFormat("missing", {})')).to match(/missing/)
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expect(ctx.eval('I18n.messageFormat("simple_MF", {})')).to match(/COUNT/) # error
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expect(ctx.eval('I18n.messageFormat("foo_MF", { HELLO: "hi", COUNT: 4 })')).to eq(
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"hi 4 ducks",
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)
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end
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it "load pluralization rules before precompile" do
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message = JsLocaleHelper.compile_message_format(message_format_filename("ru"), "ru", "format")
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expect(message).not_to match "Plural Function not found"
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end
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it "uses message formats from fallback locale" do
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translations = JsLocaleHelper.translations_for(:en_GB)
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en_gb_message_formats = JsLocaleHelper.remove_message_formats!(translations, :en_GB)
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expect(en_gb_message_formats).to_not be_empty
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translations = JsLocaleHelper.translations_for(:en)
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en_message_formats = JsLocaleHelper.remove_message_formats!(translations, :en)
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expect(en_gb_message_formats).to eq(en_message_formats)
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end
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end
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it "performs fallbacks to English if a translation is not available" do
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JsLocaleHelper.set_translations(
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"en",
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"en" => {
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"js" => {
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"only_english" => "1-en",
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"english_and_site" => "3-en",
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"english_and_user" => "5-en",
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"all_three" => "7-en",
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},
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},
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)
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JsLocaleHelper.set_translations(
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"ru",
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"ru" => {
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"js" => {
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"only_site" => "2-ru",
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"english_and_site" => "3-ru",
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"site_and_user" => "6-ru",
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"all_three" => "7-ru",
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},
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},
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)
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JsLocaleHelper.set_translations(
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"uk",
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"uk" => {
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"js" => {
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"only_user" => "4-uk",
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"english_and_user" => "5-uk",
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"site_and_user" => "6-uk",
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"all_three" => "7-uk",
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},
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},
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)
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expected = {
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"none" => "[uk.js.none]",
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"only_english" => "1-en",
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"only_site" => "[uk.js.only_site]",
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"english_and_site" => "3-en",
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"only_user" => "4-uk",
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"english_and_user" => "5-uk",
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"site_and_user" => "6-uk",
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"all_three" => "7-uk",
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}
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SiteSetting.default_locale = "ru"
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I18n.locale = :uk
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v8_ctx.eval(JsLocaleHelper.output_locale(I18n.locale))
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v8_ctx.eval('I18n.defaultLocale = "ru";')
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expect(v8_ctx.eval("I18n.translations").keys).to contain_exactly("uk", "en")
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expect(v8_ctx.eval("I18n.translations.uk.js").keys).to contain_exactly(
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"all_three",
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"english_and_user",
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"only_user",
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"site_and_user",
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)
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expect(v8_ctx.eval("I18n.translations.en.js").keys).to contain_exactly(
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"only_english",
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"english_and_site",
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)
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expected.each do |key, expect|
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expect(v8_ctx.eval("I18n.t(#{"js.#{key}".inspect})")).to eq(expect)
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end
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end
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it "correctly evaluates message formats in en fallback" do
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JsLocaleHelper.set_translations("en", "en" => { "js" => { "something_MF" => "en mf" } })
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JsLocaleHelper.set_translations("de", "de" => { "js" => { "something_MF" => "de mf" } })
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TranslationOverride.upsert!("en", "js.something_MF", <<~MF.strip)
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There {
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UNREAD, plural,
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=0 {are no}
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one {is one unread}
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other {are # unread}
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}
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MF
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v8_ctx.eval(JsLocaleHelper.output_locale("de"))
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v8_ctx.eval(JsLocaleHelper.output_client_overrides("de"))
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v8_ctx.eval(<<~JS)
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for (let [key, value] of Object.entries(I18n._mfOverrides || {})) {
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key = key.replace(/^[a-z_]*js\./, "");
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I18n._compiledMFs[key] = value;
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}
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JS
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expect(v8_ctx.eval("I18n.messageFormat('something_MF', { UNREAD: 1 })")).to eq(
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"There is one unread",
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)
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end
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LocaleSiteSetting.values.each do |locale|
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it "generates valid date helpers for #{locale[:value]} locale" do
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js = JsLocaleHelper.output_locale(locale[:value])
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v8_ctx.eval(js)
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end
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it "finds moment.js locale file for #{locale[:value]}" do
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content = JsLocaleHelper.moment_locale(locale[:value])
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if (locale[:value] == SiteSettings::DefaultsProvider::DEFAULT_LOCALE)
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expect(content).to eq("")
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else
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expect(content).to_not eq("")
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end
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end
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end
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describe ".find_message_format_locale" do
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it "finds locale's message format rules" do
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locale, filename =
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JsLocaleHelper.find_message_format_locale([:de], fallback_to_english: false)
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expect(locale).to eq("de")
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expect(filename).to end_with("/de.js")
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end
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it "finds locale for en_GB" do
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locale, filename =
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JsLocaleHelper.find_message_format_locale([:en_GB], fallback_to_english: false)
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expect(locale).to eq("en")
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expect(filename).to end_with("/en.js")
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locale, filename =
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JsLocaleHelper.find_message_format_locale(["en_GB"], fallback_to_english: false)
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expect(locale).to eq("en")
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expect(filename).to end_with("/en.js")
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end
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it "falls back to en when locale doesn't have own message format rules" do
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locale, filename =
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JsLocaleHelper.find_message_format_locale([:nonexistent], fallback_to_english: true)
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expect(locale).to eq("en")
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expect(filename).to end_with("/en.js")
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end
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end
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end
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