FIX: async reload of locales could result in missing translations

This commit is contained in:
Gerhard Schlager 2018-09-18 12:59:00 +02:00
parent fc4a6ca724
commit e2770bc1c4
7 changed files with 216 additions and 165 deletions

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@ -15,23 +15,21 @@ module I18n
alias_method :translate_no_cache, :translate
alias_method :exists_no_cache?, :exists?
alias_method :reload_no_cache!, :reload!
alias_method :locale_no_cache=, :locale=
LRU_CACHE_SIZE = 300
def init_accelerator!
@overrides_enabled = true
reload!
execute_reload
end
def reload!
@loaded_locales = []
@cache = nil
@overrides_by_site = {}
reload_no_cache!
ensure_all_loaded!
@requires_reload = true
end
LOAD_MUTEX = Mutex.new
def load_locale(locale)
LOAD_MUTEX.synchronize do
return if @loaded_locales.include?(locale)
@ -61,7 +59,9 @@ module I18n
backend.fallbacks(locale).each { |l| ensure_loaded!(l) }
end
def search(query, opts = nil)
def search(query, opts = {})
execute_reload if @requires_reload
locale = opts[:locale] || config.locale
load_locale(locale) unless @loaded_locales.include?(locale)
@ -140,6 +140,8 @@ module I18n
end
def translate(*args)
execute_reload if @requires_reload
options = args.last.is_a?(Hash) ? args.pop.dup : {}
key = args.shift
locale = options[:locale] || config.locale
@ -177,10 +179,35 @@ module I18n
alias_method :t, :translate
def exists?(key, locale = nil)
execute_reload if @requires_reload
locale ||= config.locale
load_locale(locale) unless @loaded_locales.include?(locale)
exists_no_cache?(key, locale)
end
def locale=(value)
execute_reload if @requires_reload
self.locale_no_cache = value
end
private
RELOAD_MUTEX = Mutex.new
def execute_reload
RELOAD_MUTEX.synchronize do
return unless @requires_reload
@loaded_locales = []
@cache = nil
@overrides_by_site = {}
reload_no_cache!
ensure_all_loaded!
@requires_reload = false
end
end
end
end

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@ -12,7 +12,6 @@ module I18n
end
def reload!
@overrides = {}
@pluralizers = {}
super
end

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@ -7,24 +7,23 @@ describe I18n::Backend::DiscourseI18n do
let(:backend) { I18n::Backend::DiscourseI18n.new }
before do
I18n.reload!
backend.store_translations(:en, foo: 'Foo in :en', bar: 'Bar in :en', wat: "Hello %{count}")
backend.store_translations(:en, items: { one: 'one item', other: "%{count} items" })
backend.reload!
backend.store_translations(:en, foo: 'Foo in :en', bar: 'Bar in :en', wat: 'Hello %{count}')
backend.store_translations(:en, items: { one: 'one item', other: '%{count} items' })
backend.store_translations(:de, bar: 'Bar in :de')
backend.store_translations(:ru, baz: 'Baz in :ru')
backend.store_translations(:en, link: '[text](url)')
end
after do
I18n.locale = :en
I18n.reload!
backend.reload!
end
it 'translates the basics as expected' do
expect(backend.translate(:en, 'foo')).to eq("Foo in :en")
expect(backend.translate(:en, 'items', count: 1)).to eq("one item")
expect(backend.translate(:en, 'items', count: 3)).to eq("3 items")
expect(backend.translate(:en, 'wat', count: 3)).to eq("Hello 3")
expect(backend.translate(:en, 'foo')).to eq('Foo in :en')
expect(backend.translate(:en, 'items', count: 1)).to eq('one item')
expect(backend.translate(:en, 'items', count: 3)).to eq('3 items')
expect(backend.translate(:en, 'wat', count: 3)).to eq('Hello 3')
end
it 'can be searched by key or value' do
@ -93,136 +92,4 @@ describe I18n::Backend::DiscourseI18n do
expect(backend.exists?(:ru, :bogus)).to eq(false)
end
end
describe 'with overrides' do
it 'returns the overridden key' do
TranslationOverride.upsert!('en', 'foo', 'Overwritten foo')
expect(I18n.translate('foo')).to eq('Overwritten foo')
TranslationOverride.upsert!('en', 'foo', 'new value')
expect(I18n.translate('foo')).to eq('new value')
end
it 'returns the overridden key after switching the locale' do
TranslationOverride.upsert!('en', 'foo', 'Overwritten foo in EN')
TranslationOverride.upsert!('de', 'foo', 'Overwritten foo in DE')
expect(I18n.translate('foo')).to eq('Overwritten foo in EN')
I18n.locale = :de
expect(I18n.translate('foo')).to eq('Overwritten foo in DE')
end
it "can be searched" do
TranslationOverride.upsert!('en', 'wat', 'Overwritten value')
expect(I18n.search('wat', backend: backend)).to eq('wat' => 'Overwritten value')
expect(I18n.search('Overwritten', backend: backend)).to eq('wat' => 'Overwritten value')
TranslationOverride.upsert!('en', 'wat', 'Overwritten with (parentheses)')
expect(I18n.search('Overwritten with (', backend: backend)).to eq('wat' => 'Overwritten with (parentheses)')
end
it 'supports disabling' do
orig_title = I18n.t('title')
TranslationOverride.upsert!('en', 'title', 'overridden title')
I18n.overrides_disabled do
expect(I18n.translate('title')).to eq(orig_title)
end
expect(I18n.translate('title')).to eq('overridden title')
end
it 'supports interpolation' do
TranslationOverride.upsert!('en', 'foo', 'hello %{world}')
I18n.backend.store_translations(:en, foo: 'bar')
expect(I18n.translate('foo', world: 'foo')).to eq('hello foo')
end
it 'supports interpolation named count' do
TranslationOverride.upsert!('en', 'wat', 'goodbye %{count}')
I18n.backend.store_translations(:en, wat: 'bar')
expect(I18n.translate('wat', count: 123)).to eq('goodbye 123')
end
it 'ignores interpolation named count if it is not applicable' do
TranslationOverride.upsert!('en', 'test', 'goodbye')
I18n.backend.store_translations(:en, test: 'foo')
I18n.backend.store_translations(:en, wat: 'bar')
expect(I18n.translate('wat', count: 1)).to eq('bar')
end
it 'supports one and other' do
TranslationOverride.upsert!('en', 'items.one', 'one fish')
TranslationOverride.upsert!('en', 'items.other', '%{count} fishies')
I18n.backend.store_translations(:en, items: { one: 'one item', other: "%{count} items" })
expect(I18n.translate('items', count: 13)).to eq('13 fishies')
expect(I18n.translate('items', count: 1)).to eq('one fish')
end
it 'supports one and other when only a single pluralization key is overridden' do
TranslationOverride.upsert!('en', 'keys.magic.other', "no magic keys")
I18n.backend.store_translations(:en, keys: { magic: { one: 'one magic key', other: "%{count} magic keys" } })
expect(I18n.translate('keys.magic', count: 1)).to eq("one magic key")
expect(I18n.translate('keys.magic', count: 2)).to eq("no magic keys")
end
it "returns the overriden text when falling back" do
TranslationOverride.upsert!('en', 'got', "summer")
I18n.backend.store_translations(:en, got: 'winter')
expect(I18n.translate('got')).to eq('summer')
expect(I18n.with_locale(:zh_TW) { I18n.translate('got') }).to eq('summer')
TranslationOverride.upsert!('en', 'throne', "%{title} is the new queen")
I18n.backend.store_translations(:en, throne: "%{title} is the new king")
expect(I18n.t('throne', title: 'snow')).to eq('snow is the new queen')
expect(I18n.with_locale(:en) { I18n.t('throne', title: 'snow') })
.to eq('snow is the new queen')
end
it "returns override if it exists before falling back" do
I18n.backend.store_translations(:en, got: 'winter')
expect(I18n.translate('got', default: '')).to eq('winter')
expect(I18n.with_locale(:ru) { I18n.translate('got', default: '') }).to eq('winter')
TranslationOverride.upsert!('ru', 'got', "summer")
I18n.backend.store_translations(:en, got: 'winter')
expect(I18n.translate('got', default: '')).to eq('winter')
expect(I18n.with_locale(:ru) { I18n.translate('got', default: '') }).to eq('summer')
end
it 'does not affect ActiveModel::Naming#human' do
Fish = Class.new(ActiveRecord::Base)
TranslationOverride.upsert!('en', 'fish', "fake fish")
I18n.backend.store_translations(:en, fish: "original fish")
expect(Fish.model_name.human).to eq('Fish')
end
describe "client json" do
it "is empty by default" do
expect(I18n.client_overrides_json('en')).to eq("{}")
end
it "doesn't return server overrides" do
TranslationOverride.upsert!('en', 'foo', 'bar')
expect(I18n.client_overrides_json('en')).to eq("{}")
end
it "returns client overrides" do
TranslationOverride.upsert!('en', 'js.foo', 'bar')
TranslationOverride.upsert!('en', 'admin_js.beep', 'boop')
json = ::JSON.parse(I18n.client_overrides_json('en'))
expect(json).to be_present
expect(json['js.foo']).to eq('bar')
expect(json['admin_js.beep']).to eq('boop')
end
end
end
end

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@ -1,35 +1,51 @@
require "rails_helper"
describe "translate accelerator" do
before(:all) do
@original_i18n_load_path = I18n.load_path.dup
I18n.load_path += Dir["#{Rails.root}/spec/fixtures/i18n/translate_accelerator.*.yml"]
I18n.reload!
end
after(:all) do
I18n.load_path = @original_i18n_load_path
I18n.reload!
end
after do
I18n.reload!
end
def override_translation(locale, key, value)
expect(I18n.exists?(key, locale)).to eq(true)
override = TranslationOverride.upsert!(locale, key, value)
expect(override.persisted?).to eq(true)
end
it "overrides for both string and symbol keys" do
key = "user.email.not_allowed"
text_overriden = "foobar"
key = 'user.email.not_allowed'
text_overriden = 'foobar'
expect(I18n.t(key)).to be_present
TranslationOverride.upsert!("en", key, text_overriden)
override_translation('en', key, text_overriden)
expect(I18n.t(key)).to eq(text_overriden)
expect(I18n.t(key.to_sym)).to eq(text_overriden)
end
describe '.overrides_by_locale' do
it 'should cache overrides for each locale' do
TranslationOverride.upsert!('en', 'got', "summer")
TranslationOverride.upsert!('zh_TW', 'got', "冬季")
I18n.backend.store_translations(:en, got: 'winter')
describe ".overrides_by_locale" do
it "should cache overrides for each locale" do
override_translation('en', 'got', 'summer')
override_translation('zh_TW', 'got', '冬季')
I18n.overrides_by_locale('en')
I18n.overrides_by_locale('zh_TW')
expect(I18n.instance_variable_get(:@overrides_by_site)).to eq(
"default" => {
"en" => { "got" => "summer" },
"zh_TW" => { "got" => "冬季" }
'default' => {
'en' => { 'got' => 'summer' },
'zh_TW' => { 'got' => '冬季' }
}
)
end
@ -38,9 +54,9 @@ describe "translate accelerator" do
context "plugins" do
before do
DiscoursePluginRegistry.register_locale(
"foo",
name: "Foo",
nativeName: "Foo Bar",
'foo',
name: 'Foo',
nativeName: 'Foo Bar',
plural: {
keys: [:one, :few, :other],
rule: lambda do |n|
@ -61,7 +77,6 @@ describe "translate accelerator" do
end
it "loads plural rules from plugins" do
I18n.backend.store_translations(:foo, items: { one: 'one item', few: 'some items', other: "%{count} items" })
I18n.locale = :foo
expect(I18n.t('i18n.plural.keys')).to eq([:one, :few, :other])
@ -70,4 +85,118 @@ describe "translate accelerator" do
expect(I18n.t('items', count: 20)).to eq('20 items')
end
end
describe "with overrides" do
it "returns the overridden key" do
override_translation('en', 'foo', 'Overwritten foo')
expect(I18n.t('foo')).to eq('Overwritten foo')
override_translation('en', 'foo', 'new value')
expect(I18n.t('foo')).to eq('new value')
end
it "returns the overridden key after switching the locale" do
override_translation('en', 'foo', 'Overwritten foo in EN')
override_translation('de', 'foo', 'Overwritten foo in DE')
expect(I18n.t('foo')).to eq('Overwritten foo in EN')
I18n.locale = :de
expect(I18n.t('foo')).to eq('Overwritten foo in DE')
end
it "can be searched" do
override_translation('en', 'wat', 'Overwritten value')
expect(I18n.search('wat')).to include('wat' => 'Overwritten value')
expect(I18n.search('Overwritten')).to include('wat' => 'Overwritten value')
override_translation('en', 'wat', 'Overwritten with (parentheses)')
expect(I18n.search('Overwritten with (')).to include('wat' => 'Overwritten with (parentheses)')
end
it "supports disabling" do
orig_title = I18n.t('title')
override_translation('en', 'title', 'overridden title')
I18n.overrides_disabled do
expect(I18n.t('title')).to eq(orig_title)
end
expect(I18n.t('title')).to eq('overridden title')
end
it "supports interpolation" do
override_translation('en', 'world', 'my %{world}')
expect(I18n.t('world', world: 'foo')).to eq('my foo')
end
it "supports interpolation named count" do
override_translation('en', 'wat', 'goodbye %{count}')
expect(I18n.t('wat', count: 123)).to eq('goodbye 123')
end
it "ignores interpolation named count if it is not applicable" do
override_translation('en', 'wat', 'bar')
expect(I18n.t('wat', count: 1)).to eq('bar')
end
it "supports one and other" do
override_translation('en', 'items.one', 'one fish')
override_translation('en', 'items.other', '%{count} fishies')
expect(I18n.t('items', count: 13)).to eq('13 fishies')
expect(I18n.t('items', count: 1)).to eq('one fish')
end
it "supports one and other when only a single pluralization key is overridden" do
override_translation('en', 'keys.magic.other', 'no magic keys')
expect(I18n.t('keys.magic', count: 1)).to eq('one magic key')
expect(I18n.t('keys.magic', count: 2)).to eq('no magic keys')
end
it "returns the overriden text when falling back" do
override_translation('en', 'got', 'summer')
expect(I18n.t('got')).to eq('summer')
expect(I18n.with_locale(:zh_TW) { I18n.t('got') }).to eq('summer')
override_translation('en', 'throne', '%{title} is the new queen')
expect(I18n.t('throne', title: 'snow')).to eq('snow is the new queen')
expect(I18n.with_locale(:en) { I18n.t('throne', title: 'snow') })
.to eq('snow is the new queen')
end
it "returns override if it exists before falling back" do
expect(I18n.t('got', default: '')).to eq('winter')
expect(I18n.with_locale(:ru) { I18n.t('got', default: '') }).to eq('winter')
override_translation('ru', 'got', 'summer')
expect(I18n.t('got', default: '')).to eq('winter')
expect(I18n.with_locale(:ru) { I18n.t('got', default: '') }).to eq('summer')
end
it "does not affect ActiveModel::Naming#human" do
Fish = Class.new(ActiveRecord::Base)
override_translation('en', 'fish', 'fake fish')
expect(Fish.model_name.human).to eq('Fish')
end
describe "client json" do
it "is empty by default" do
expect(I18n.client_overrides_json('en')).to eq('{}')
end
it "doesn't return server overrides" do
override_translation('en', 'foo', 'bar')
expect(I18n.client_overrides_json('en')).to eq('{}')
end
it "returns client overrides" do
override_translation('en', 'js.foo', 'bar')
override_translation('en', 'admin_js.beep', 'boop')
json = ::JSON.parse(I18n.client_overrides_json('en'))
expect(json).to be_present
expect(json['js.foo']).to eq('bar')
expect(json['admin_js.beep']).to eq('boop')
end
end
end
end

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@ -0,0 +1,4 @@
en:
foo: 'Foo in :de'
bar: 'Bar in :de'
wat: "Hello %{count}"

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@ -0,0 +1,20 @@
en:
got: "winter"
foo: 'Foo in :en'
bar: 'Bar in :en'
wat: "Hello %{count}"
world: "Hello %{world}"
items:
one: "one item"
other: "%{count} items"
keys:
magic:
one: "one magic key"
other: "%{count} magic keys"
throne: "%{title} is the new king"
fish: "original fish"
js:
foo: "foo"
admin_js:
beep: "beep"

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@ -0,0 +1,5 @@
foo:
items:
one: "one item"
few: "some items"
other: "%{count} items"