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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const { getPreferedLocales, findClosestLocale } = require("api-utils/l10n/locale");
const prefs = require("preferences-service");
const { Cc, Ci, Cu } = require("chrome");
const { Services } = Cu.import("resource://gre/modules/Services.jsm");
const BundleService = Cc["@mozilla.org/intl/stringbundle;1"].getService(Ci.nsIStringBundleService);
const PREF_MATCH_OS_LOCALE = "intl.locale.matchOS";
const PREF_SELECTED_LOCALE = "general.useragent.locale";
const PREF_ACCEPT_LANGUAGES = "intl.accept_languages";
function assertPrefered(test, expected, msg) {
test.assertEqual(JSON.stringify(getPreferedLocales()), JSON.stringify(expected),
msg);
}
exports.testGetPreferedLocales = function(test) {
prefs.set(PREF_MATCH_OS_LOCALE, false);
prefs.set(PREF_SELECTED_LOCALE, "");
prefs.set(PREF_ACCEPT_LANGUAGES, "");
assertPrefered(test, ["en-us"],
"When all preferences are empty, we only have en-us");
prefs.set(PREF_SELECTED_LOCALE, "fr");
prefs.set(PREF_ACCEPT_LANGUAGES, "jp");
assertPrefered(test, ["fr", "jp", "en-us"],
"We first have useragent locale, then web one and finally en-US");
prefs.set(PREF_SELECTED_LOCALE, "en-US");
prefs.set(PREF_ACCEPT_LANGUAGES, "en-US");
assertPrefered(test, ["en-us"],
"We do not have duplicates");
prefs.set(PREF_SELECTED_LOCALE, "en-US");
prefs.set(PREF_ACCEPT_LANGUAGES, "fr");
assertPrefered(test, ["en-us", "fr"],
"en-US can be first if specified by higher priority preference");
// Reset what we changed
prefs.reset(PREF_MATCH_OS_LOCALE);
prefs.reset(PREF_SELECTED_LOCALE);
prefs.reset(PREF_ACCEPT_LANGUAGES);
}
// In some cases, mainly on Fennec and on Linux version,
// `general.useragent.locale` is a special 'localized' value, like:
// "chrome://global/locale/intl.properties"
exports.testPreferedLocalizedLocale = function(test) {
prefs.set(PREF_MATCH_OS_LOCALE, false);
let bundleURL = "chrome://global/locale/intl.properties";
prefs.setLocalized(PREF_SELECTED_LOCALE, bundleURL);
let contentLocale = "ja";
prefs.set(PREF_ACCEPT_LANGUAGES, contentLocale);
// Read manually the expected locale value from the property file
let expectedLocale = BundleService.createBundle(bundleURL).
GetStringFromName(PREF_SELECTED_LOCALE).
toLowerCase();
// First add the useragent locale
let expectedLocaleList = [expectedLocale];
// Then the content locale
if (expectedLocaleList.indexOf(contentLocale) == -1)
expectedLocaleList.push(contentLocale);
// Add default "en-us" fallback if the main language is not already en-us
if (expectedLocaleList.indexOf("en-us") == -1)
expectedLocaleList.push("en-us");
assertPrefered(test, expectedLocaleList, "test localized pref value");
// Reset what we have changed
prefs.reset(PREF_MATCH_OS_LOCALE);
prefs.reset(PREF_SELECTED_LOCALE);
prefs.reset(PREF_ACCEPT_LANGUAGES);
}
exports.testPreferedOsLocale = function(test) {
prefs.set(PREF_MATCH_OS_LOCALE, true);
prefs.set(PREF_SELECTED_LOCALE, "");
prefs.set(PREF_ACCEPT_LANGUAGES, "");
let expectedLocale = Services.locale.getLocaleComponentForUserAgent().
toLowerCase();
let expectedLocaleList = [expectedLocale];
// Add default "en-us" fallback if the main language is not already en-us
if (expectedLocale != "en-us")
expectedLocaleList.push("en-us");
assertPrefered(test, expectedLocaleList, "Ensure that we select OS locale when related preference is set");
// Reset what we have changed
prefs.reset(PREF_MATCH_OS_LOCALE);
prefs.reset(PREF_SELECTED_LOCALE);
prefs.reset(PREF_ACCEPT_LANGUAGES);
}
exports.testFindClosestLocale = function(test) {
// Second param of findClosestLocale (aMatchLocales) have to be in lowercase
test.assertEqual(findClosestLocale([], []), null,
"When everything is empty we get null");
test.assertEqual(findClosestLocale(["en", "en-US"], ["en"]),
"en", "We always accept exact match first 1/5");
test.assertEqual(findClosestLocale(["en-US", "en"], ["en"]),
"en", "We always accept exact match first 2/5");
test.assertEqual(findClosestLocale(["en", "en-US"], ["en-us"]),
"en-US", "We always accept exact match first 3/5");
test.assertEqual(findClosestLocale(["ja-JP-mac", "ja", "ja-JP"], ["ja-jp"]),
"ja-JP", "We always accept exact match first 4/5");
test.assertEqual(findClosestLocale(["ja-JP-mac", "ja", "ja-JP"], ["ja-jp-mac"]),
"ja-JP-mac", "We always accept exact match first 5/5");
test.assertEqual(findClosestLocale(["en", "en-GB"], ["en-us"]),
"en", "We accept more generic locale, when there is no exact match 1/2");
test.assertEqual(findClosestLocale(["en-ZA", "en"], ["en-gb"]),
"en", "We accept more generic locale, when there is no exact match 2/2");
test.assertEqual(findClosestLocale(["ja-JP"], ["ja"]),
"ja-JP", "We accept more specialized locale, when there is no exact match 1/2");
// Better to select "ja" in this case but behave same as current AddonManager
test.assertEqual(findClosestLocale(["ja-JP-mac", "ja"], ["ja-jp"]),
"ja-JP-mac", "We accept more specialized locale, when there is no exact match 2/2");
test.assertEqual(findClosestLocale(["en-US"], ["en-us"]),
"en-US", "We keep the original one as result 1/2");
test.assertEqual(findClosestLocale(["en-us"], ["en-us"]),
"en-us", "We keep the original one as result 2/2");
test.assertEqual(findClosestLocale(["ja-JP-mac"], ["ja-jp-mac"]),
"ja-JP-mac", "We accept locale with 3 parts");
test.assertEqual(findClosestLocale(["ja-JP"], ["ja-jp-mac"]),
"ja-JP", "We accept locale with 2 parts from locale with 3 parts");
test.assertEqual(findClosestLocale(["ja"], ["ja-jp-mac"]),
"ja", "We accept locale with 1 part from locale with 3 parts");
}
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