discourse/spec/components/js_locale_helper_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
require 'mini_racer'
describe JsLocaleHelper do
module StubLoadTranslations
def set_translations(locale, translations)
@loaded_translations ||= HashWithIndifferentAccess.new
@loaded_translations[locale] = translations
end
def clear_cache!
@loaded_translations = nil
@loaded_merges = nil
end
end
JsLocaleHelper.extend StubLoadTranslations
before { JsLocaleHelper.clear_cache! }
after { JsLocaleHelper.clear_cache! }
describe "#output_locale" do
it "doesn't change the cached translations hash" do
I18n.locale = :fr
expect(JsLocaleHelper.output_locale('fr').length).to be > 0
expect(JsLocaleHelper.translations_for('fr')['fr'].keys).to contain_exactly("js", "admin_js", "wizard_js")
end
end
context "message format" do
def message_format_filename(locale)
Rails.root + "lib/javascripts/locale/#{locale}.js"
end
def setup_message_format(format)
filename = message_format_filename('en')
compiled = JsLocaleHelper.compile_message_format(filename, 'en', format)
@ctx = MiniRacer::Context.new
@ctx.eval('MessageFormat = {locale: {}};')
@ctx.load(filename)
@ctx.eval("var test = #{compiled}")
end
def localize(opts)
@ctx.eval("test(#{opts.to_json})")
end
it 'handles plurals' do
setup_message_format('{NUM_RESULTS, plural,
one {1 result}
other {# results}
}')
expect(localize(NUM_RESULTS: 1)).to eq('1 result')
expect(localize(NUM_RESULTS: 2)).to eq('2 results')
end
it 'handles double plurals' do
setup_message_format('{NUM_RESULTS, plural,
one {1 result}
other {# results}
} and {NUM_APPLES, plural,
one {1 apple}
other {# apples}
}')
expect(localize(NUM_RESULTS: 1, NUM_APPLES: 2)).to eq('1 result and 2 apples')
expect(localize(NUM_RESULTS: 2, NUM_APPLES: 1)).to eq('2 results and 1 apple')
end
it 'handles select' do
setup_message_format('{GENDER, select, male {He} female {She} other {They}} read a book')
expect(localize(GENDER: 'male')).to eq('He read a book')
expect(localize(GENDER: 'female')).to eq('She read a book')
expect(localize(GENDER: 'none')).to eq('They read a book')
end
it 'can strip out message formats' do
hash = { "a" => "b", "c" => { "d" => { "f_MF" => "bob" } } }
expect(JsLocaleHelper.strip_out_message_formats!(hash)).to eq("c.d.f_MF" => "bob")
expect(hash["c"]["d"]).to eq({})
end
it 'handles message format special keys' do
JsLocaleHelper.set_translations('en', "en" => {
"js" => {
"hello" => "world",
"test_MF" => "{HELLO} {COUNT, plural, one {1 duck} other {# ducks}}",
"error_MF" => "{{BLA}",
"simple_MF" => "{COUNT, plural, one {1} other {#}}"
},
"admin_js" => {
"foo_MF" => "{HELLO} {COUNT, plural, one {1 duck} other {# ducks}}"
}
})
ctx = MiniRacer::Context.new
ctx.eval("I18n = { pluralizationRules: {} };")
ctx.eval(JsLocaleHelper.output_locale('en'))
expect(ctx.eval('I18n.translations["en"]["js"]["hello"]')).to eq("world")
expect(ctx.eval('I18n.translations["en"]["js"]["test_MF"]')).to eq(nil)
expect(ctx.eval('I18n.messageFormat("test_MF", { HELLO: "hi", COUNT: 3 })')).to eq("hi 3 ducks")
expect(ctx.eval('I18n.messageFormat("error_MF", { HELLO: "hi", COUNT: 3 })')).to match(/Invalid Format/)
expect(ctx.eval('I18n.messageFormat("missing", {})')).to match(/missing/)
expect(ctx.eval('I18n.messageFormat("simple_MF", {})')).to match(/COUNT/) # error
expect(ctx.eval('I18n.messageFormat("foo_MF", { HELLO: "hi", COUNT: 4 })')).to eq("hi 4 ducks")
end
it 'load pluralizations rules before precompile' do
message = JsLocaleHelper.compile_message_format(message_format_filename('ru'), 'ru', 'format')
expect(message).not_to match 'Plural Function not found'
end
it "includes uses message formats from fallback locale" do
translations = JsLocaleHelper.translations_for(:en_US)
en_us_message_formats = JsLocaleHelper.remove_message_formats!(translations, :en_US)
expect(en_us_message_formats).to_not be_empty
translations = JsLocaleHelper.translations_for(:en)
en_message_formats = JsLocaleHelper.remove_message_formats!(translations, :en)
expect(en_us_message_formats).to eq(en_message_formats)
end
end
it 'performs fallbacks to English if a translation is not available' do
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JsLocaleHelper.set_translations('en', "en" => {
"js" => {
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"only_english" => "1-en",
"english_and_site" => "3-en",
"english_and_user" => "5-en",
"all_three" => "7-en",
}
})
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JsLocaleHelper.set_translations('ru', "ru" => {
"js" => {
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"only_site" => "2-ru",
"english_and_site" => "3-ru",
"site_and_user" => "6-ru",
"all_three" => "7-ru",
}
})
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JsLocaleHelper.set_translations('uk', "uk" => {
"js" => {
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"only_user" => "4-uk",
"english_and_user" => "5-uk",
"site_and_user" => "6-uk",
"all_three" => "7-uk",
}
})
expected = {
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"none" => "[uk.js.none]",
"only_english" => "1-en",
"only_site" => "[uk.js.only_site]",
"english_and_site" => "3-en",
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"only_user" => "4-uk",
"english_and_user" => "5-uk",
"site_and_user" => "6-uk",
"all_three" => "7-uk"
}
SiteSetting.default_locale = 'ru'
I18n.locale = :uk
ctx = MiniRacer::Context.new
ctx.eval('var window = this;')
ctx.load(Rails.root + 'app/assets/javascripts/locales/i18n.js')
ctx.eval(JsLocaleHelper.output_locale(I18n.locale))
ctx.eval('I18n.defaultLocale = "ru";')
expect(ctx.eval('I18n.translations').keys).to contain_exactly("uk", "en")
expect(ctx.eval('I18n.translations.uk.js').keys).to contain_exactly("all_three", "english_and_user", "only_user", "site_and_user")
expect(ctx.eval('I18n.translations.en.js').keys).to contain_exactly("only_english", "english_and_site")
expected.each do |key, expect|
expect(ctx.eval("I18n.t(#{"js.#{key}".inspect})")).to eq(expect)
end
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end
LocaleSiteSetting.values.each do |locale|
it "generates valid date helpers for #{locale[:value]} locale" do
js = JsLocaleHelper.output_locale(locale[:value])
ctx = MiniRacer::Context.new
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ctx.eval('var window = this;')
ctx.load(Rails.root + 'app/assets/javascripts/locales/i18n.js')
ctx.eval(js)
end
it "finds moment.js locale file for #{locale[:value]}" do
content = JsLocaleHelper.moment_locale(locale[:value])
if (locale[:value] == SiteSettings::DefaultsProvider::DEFAULT_LOCALE)
expect(content).to eq('')
else
expect(content).to_not eq('')
end
end
end
describe ".find_message_format_locale" do
it "finds locale for en_US" do
locale, filename = JsLocaleHelper.find_message_format_locale([:en_US], fallback_to_english: false)
expect(locale).to eq("en")
expect(filename).to end_with("/en.js")
locale, filename = JsLocaleHelper.find_message_format_locale(["en_US"], fallback_to_english: false)
expect(locale).to eq("en")
expect(filename).to end_with("/en.js")
end
end
end