Enables the user to select multiple languages for spellchecking (UI)

chrome/browser/ui/webui/options/multilanguage_options_webui_browsertest.js

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+GEN('#include "chrome/browser/ui/webui/options/' +
+    'multilanguage_options_browsertest.h"');
+
+/**
+ * Test C++ fixture for Language Options WebUI testing.
+ * @constructor
+ * @extends {testing.Test}
+ */
+function MultilanguageOptionsWebUIBrowserTest() {}
+
+MultilanguageOptionsWebUIBrowserTest.prototype = {
+  __proto__: testing.Test.prototype,
+
+  /** @override */
+  browsePreload: 'chrome://settings-frame/languages',
+
+  /** @override */
+  typedefCppFixture: 'MultilanguageOptionsBrowserTest',
+
+  /** @override */
+  accessibilityIssuesAreErrors: true,
+
+  /** @param {string} expected Sorted currently selected languages. */
+  expectCurrentlySelected: function(expected) {
+    var languages = LanguageOptions.getInstance().spellCheckLanguages_;
+    expectEquals(expected, Object.keys(languages).sort().join());
+  },
+
+  /** @override */
+  setUp: function() {
+    testing.Test.prototype.setUp.call(this);
+
+    assertTrue(loadTimeData.getBoolean('enableMultilingualSpellChecker'));
+    assertFalse(cr.isMac);
+    expectTrue($('spellcheck-language-button').hidden);
+    this.expectCurrentlySelected('fr');
+  },
+};
+
+// Test that opening language options has the correct location.
+TEST_F('MultilanguageOptionsWebUIBrowserTest', 'TestOpenLanguageOptions',
+       function() {
+  expectEquals('chrome://settings-frame/languages', document.location.href);
+});
+
+// Verify that the option to enable the spelling service is hidden when
+// multilingual spellchecking is enabled.
+TEST_F('MultilanguageOptionsWebUIBrowserTest', 'HideSpellingServiceCheckbox',
+       function() {
+  assertTrue(loadTimeData.getBoolean('enableMultilingualSpellChecker'));
+  expectTrue($('spelling-enabled-container').hidden);
+});
+
+// Test that only certain languages can be selected and used for spellchecking.
+// prefs::kLanguagePreferredLanguages/prefs::kAcceptLanguages is set to
+// 'fr,es,de,en' and prefs::kSpellCheckDictionaries is just 'fr'
+TEST_F('MultilanguageOptionsWebUIBrowserTest', 'ChangeSpellcheckLanguages',
+       function() {
+  expectTrue($('language-options-list').selectLanguageByCode('es'));
+  expectFalse($('spellcheck-language-checkbox').checked, 'es');
+
+  // Click 'es' and ensure that it gets checked and 'fr' stays checked.
+  $('spellcheck-language-checkbox').click();
+  expectTrue($('spellcheck-language-checkbox').checked, 'es');
+  expectTrue($('language-options-list').selectLanguageByCode('fr'));
+  expectTrue($('spellcheck-language-checkbox').checked, 'fr');
+  this.expectCurrentlySelected('es,fr');
+
+  // Click 'fr' and ensure that it gets unchecked and 'es' stays checked.
+  $('spellcheck-language-checkbox').click();
+  expectFalse($('spellcheck-language-checkbox').checked, 'fr');
+  $('language-options-list').selectLanguageByCode('es');
+  expectTrue($('spellcheck-language-checkbox').checked, 'es');
+  this.expectCurrentlySelected('es');
+});
+
+// Make sure 'am' cannot be selected as a language and 'fr' stays selected.
+TEST_F('MultilanguageOptionsWebUIBrowserTest', 'NotAcceptLanguage', function() {
+  expectFalse($('language-options-list').selectLanguageByCode('am'));
+  expectTrue($('language-options-list').selectLanguageByCode('fr'));
+  expectTrue($('spellcheck-language-checkbox').checked, 'fr');
+  this.expectCurrentlySelected('fr');
+});
+
+// Make sure 'en' cannot be used as a language and 'fr' stays selected.
+TEST_F('MultilanguageOptionsWebUIBrowserTest', 'UnusableLanguage', function() {
+  expectTrue($('language-options-list').selectLanguageByCode('en'));
+  expectTrue($('spellcheck-language-checkbox-container').hidden);
+  expectFalse($('spellcheck-language-checkbox').checked, 'en');
+  this.expectCurrentlySelected('fr');
+});
+
+/**
+ * Test C++ fixture for Language Options WebUI testing.
+ * @constructor
+ * @extends {MultilanguageOptionsWebUIBrowserTest}
+ */
+function MultilanguagePreferenceWebUIBrowserTest() {}
+
+MultilanguagePreferenceWebUIBrowserTest.prototype = {
+  __proto__: MultilanguageOptionsWebUIBrowserTest.prototype,
+
+  /** @override */
+  testGenPreamble: function() {
+    GEN('ClearSpellcheckDictionaries();');
+  },
+
+  /** @override */
+  isAsync: true,
+
+  /**
+   * @param {string} expected Sorted languages in the kSpellCheckDictionaries
+   * preference.
+   */
+  expectRegisteredDictionariesPref: function(expected) {
+    var registeredPrefs =
+        options.Preferences.getInstance().registeredPreferences_;
+    expectEquals(expected,
+        registeredPrefs['spellcheck.dictionaries'].orig.value.sort().join());
+  },
+
+  /** @override */
+  setUp: function() {
+    testing.Test.prototype.setUp.call(this);
+
+    assertTrue(loadTimeData.getBoolean('enableMultilingualSpellChecker'));
+    assertFalse(cr.isMac);
+    expectTrue($('spellcheck-language-button').hidden);
+    this.expectCurrentlySelected('');
+    this.expectRegisteredDictionariesPref('');
+  },
+};
+
+// Make sure the case where no languages are selected is handled properly.
+TEST_F('MultilanguagePreferenceWebUIBrowserTest', 'BlankSpellcheckLanguges',
+       function() {
+  expectTrue($('language-options-list').selectLanguageByCode('fr'));
+  expectFalse($('spellcheck-language-checkbox').checked, 'fr');
+
+  // Add a preference change event listener which ensures that the preference is
+  // updated correctly and that 'fr' is the only thing in the dictionary object.
+  var prefs = options.Preferences.getInstance();
+  prefs.addEventListener('spellcheck.dictionaries', function() {
+    expectTrue($('spellcheck-language-checkbox').checked, 'fr');
+    this.expectRegisteredDictionariesPref('fr');
+    this.expectCurrentlySelected('fr');
+    testDone();
+  }.bind(this));
+
+  // Click 'fr' and trigger the previously registered event listener.
+  $('spellcheck-language-checkbox').click();
+});