1 files changed, 169 insertions, 0 deletions
diff --git a/addon-sdk/source/test/test-l10n-locale.js b/addon-sdk/source/test/test-l10n-locale.js
new file mode 100644
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+++ b/addon-sdk/source/test/test-l10n-locale.js
@@ -0,0 +1,169 @@
+/* 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("sdk/l10n/locale");
+const prefs = require("sdk/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(assert, expected, msg) {
+  assert.equal(JSON.stringify(getPreferedLocales()), JSON.stringify(expected),
+                   msg);
+}
+
+exports.testGetPreferedLocales = function(assert) {
+  prefs.set(PREF_MATCH_OS_LOCALE, false);
+  prefs.set(PREF_SELECTED_LOCALE, "");
+  prefs.set(PREF_ACCEPT_LANGUAGES, "");
+  assertPrefered(assert, ["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(assert, ["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(assert, ["en-us"],
+                 "We do not have duplicates");
+
+  prefs.set(PREF_SELECTED_LOCALE, "en-US");
+  prefs.set(PREF_ACCEPT_LANGUAGES, "fr");
+  assertPrefered(assert, ["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(assert) {
+  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(assert, 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);
+}
+
+// On Linux the PREF_ACCEPT_LANGUAGES pref can be a localized pref.
+exports.testPreferedContentLocale = function(assert) {
+  prefs.set(PREF_MATCH_OS_LOCALE, false);
+  let noLocale = "",
+      bundleURL = "chrome://global/locale/intl.properties";
+  prefs.set(PREF_SELECTED_LOCALE, noLocale);
+  prefs.setLocalized(PREF_ACCEPT_LANGUAGES, bundleURL);
+
+  // Read the expected locale values from the property file
+  let expectedLocaleList = BundleService.createBundle(bundleURL).
+    GetStringFromName(PREF_ACCEPT_LANGUAGES).
+    split(",").
+    map(locale => locale.trim().toLowerCase());
+
+  // 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(assert, expectedLocaleList, "test localized content locale 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(assert) {
+  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(assert, 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(assert) {
+  // Second param of findClosestLocale (aMatchLocales) have to be in lowercase
+  assert.equal(findClosestLocale([], []), null,
+                   "When everything is empty we get null");
+
+  assert.equal(findClosestLocale(["en", "en-US"], ["en"]),
+                   "en", "We always accept exact match first 1/5");
+  assert.equal(findClosestLocale(["en-US", "en"], ["en"]),
+                   "en", "We always accept exact match first 2/5");
+  assert.equal(findClosestLocale(["en", "en-US"], ["en-us"]),
+                   "en-US", "We always accept exact match first 3/5");
+  assert.equal(findClosestLocale(["ja-JP-mac", "ja", "ja-JP"], ["ja-jp"]),
+                   "ja-JP", "We always accept exact match first 4/5");
+  assert.equal(findClosestLocale(["ja-JP-mac", "ja", "ja-JP"], ["ja-jp-mac"]),
+                   "ja-JP-mac", "We always accept exact match first 5/5");
+
+  assert.equal(findClosestLocale(["en", "en-GB"], ["en-us"]),
+                   "en", "We accept more generic locale, when there is no exact match 1/2");
+  assert.equal(findClosestLocale(["en-ZA", "en"], ["en-gb"]),
+                   "en", "We accept more generic locale, when there is no exact match 2/2");
+
+  assert.equal(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
+  assert.equal(findClosestLocale(["ja-JP-mac", "ja"], ["ja-jp"]),
+                   "ja-JP-mac", "We accept more specialized locale, when there is no exact match 2/2");
+
+  assert.equal(findClosestLocale(["en-US"], ["en-us"]),
+                   "en-US", "We keep the original one as result 1/2");
+  assert.equal(findClosestLocale(["en-us"], ["en-us"]),
+                   "en-us", "We keep the original one as result 2/2");
+
+  assert.equal(findClosestLocale(["ja-JP-mac"], ["ja-jp-mac"]),
+                   "ja-JP-mac", "We accept locale with 3 parts");
+  assert.equal(findClosestLocale(["ja-JP"], ["ja-jp-mac"]),
+                   "ja-JP", "We accept locale with 2 parts from locale with 3 parts");
+  assert.equal(findClosestLocale(["ja"], ["ja-jp-mac"]),
+                   "ja", "We accept locale with 1 part from locale with 3 parts");
+};
+
+require('sdk/test').run(exports);