Revert of MD Settings: Elim SettingsSubpageBrowsertest and SettingsPageVisibility

chrome/test/data/webui/settings/settings_subpage_browsertest.js

Index: chrome/test/data/webui/settings/settings_subpage_browsertest.js
diff --git a/chrome/test/data/webui/settings/settings_subpage_browsertest.js b/chrome/test/data/webui/settings/settings_subpage_browsertest.js
new file mode 100644
index 0000000000000000000000000000000000000000..5b9064973cd91322db36df350b86ad1405ff8232
--- /dev/null
+++ b/chrome/test/data/webui/settings/settings_subpage_browsertest.js
@@ -0,0 +1,146 @@
+// 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.
+
+/**
+ * @fileoverview Suite of tests to ensure that settings subpages exist and
+ * load without errors. Also outputs approximate load times for each subpage.
+ */
+
+GEN_INCLUDE(['settings_page_browsertest.js']);
+
+/**
+ * @constructor
+ * @extends {SettingsPageBrowserTest}
+ */
+function SettingsSubPageBrowserTest() {
+  /** @type {!Array<string>} */
+  this.subPages = [];
+}
+
+SettingsSubPageBrowserTest.prototype = {
+  __proto__: SettingsPageBrowserTest.prototype,
+
+  /** @override */
+  preLoad: function() {
+    SettingsPageBrowserTest.prototype.preLoad.call(this);
+    // This will cause all subpages to initially be hidden via dom-if.
+    // This allows us to test loading each subpage independently without other
+    // subpages affecting load times, etc.
+    settingsHidePagesByDefaultForTest = true;
+  },
+
+  /*
+   * Checks all subpages are hidden first.
+   * @private
+   */
+  verifySubPagesHidden_: function() {
+    var page = this.basicPage;
+    assertEquals(0, Object.keys(page.pageVisibility).length);
+
+    // Ensure all pages are still hidden after the dom-ifs compute their |if|.
+    Polymer.dom.flush();
+    var sections = page.shadowRoot.querySelectorAll('settings-section');
+    assertTrue(!!sections);
+    assertEquals(0, sections.length);
+  },
+
+  /**
+   * Ensures the subpage is initially hidden, then sets it to visible and
+   * times the result, outputting a (rough) approximation of load time for the
+   * subpage.
+   * @param {Node} page
+   * @param {string} subpage
+   */
+  testSubPage: function(page, subPage) {
+    Polymer.dom.flush();
+    assertFalse(!!this.getSection(page, subPage));
+    var startTime = window.performance.now();
+    page.set('pageVisibility.' + subPage, true);
+    Polymer.dom.flush();
+    var dtime = window.performance.now() - startTime;
+    console.log('Page: ' + subPage + ' Load time: ' + dtime.toFixed(0) + ' ms');
+    assertTrue(!!this.getSection(page, subPage));
+    // Hide the page so that it doesn't interfere with other subPages.
+    page.set('pageVisibility.' + subPage, false);
+    Polymer.dom.flush();
+  },
+
+  testSubPages: function() {
+    this.subPages.forEach(function(subPage) {
+      test(subPage, function() {
+        this.testSubPage(this.basicPage, subPage);
+      }.bind(this));
+    }.bind(this));
+  },
+};
+
+/** @constructor @extends {SettingsSubPageBrowserTest} */
+function SettingsBasicSubPageBrowserTest() {
+  SettingsSubPageBrowserTest.call(this, 'basic');
+
+  /** @override */
+  this.subPages = [
+    'people',
+    'appearance',
+    'onStartup',
+    'search',
+  ];
+  if (cr.isChromeOS)
+    this.subPages.push('internet', 'bluetooth', 'device');
+  else
+    this.subPages.push('defaultBrowser');
+}
+
+SettingsBasicSubPageBrowserTest.prototype = {
+  __proto__: SettingsSubPageBrowserTest.prototype,
+};
+
+// Failing on ChromiumOS dbg. https://crbug.com/709442
+GEN('#if defined(OS_CHROMEOS) && !defined(NDEBUG)');
+GEN('#define MAYBE_SubPages DISABLED_SubPages');
+GEN('#else');
+GEN('#define MAYBE_SubPages SubPages');
+GEN('#endif');
+TEST_F('SettingsBasicSubPageBrowserTest', 'MAYBE_SubPages', function() {
+  suiteSetup(this.verifySubPagesHidden_.bind(this));
+  suite('Basic', this.testSubPages.bind(this));
+  mocha.run();
+});
+
+/** @constructor @extends {SettingsSubPageBrowserTest} */
+function SettingsAdvancedSubPageBrowserTest() {
+  // "Advanced" sections live in the settings-basic-page.
+  SettingsSubPageBrowserTest.call(this, 'basic');
+
+  /** @override */
+  this.subPages = [
+    'privacy',
+    'passwordsAndForms',
+    'languages',
+    'downloads',
+    'printing',
+    'a11y',
+    'reset',
+  ];
+  if (cr.isChromeOS)
+    this.subPages.push('dateTime');
+  else
+    this.subPages.push('system');
+};
+
+SettingsAdvancedSubPageBrowserTest.prototype = {
+  __proto__: SettingsSubPageBrowserTest.prototype,
+
+  /** @override */
+  setUp: function() {
+    this.toggleAdvanced();
+    SettingsSubPageBrowserTest.prototype.setUp.call(this);
+  },
+};
+
+TEST_F('SettingsAdvancedSubPageBrowserTest', 'SubPages', function() {
+  suiteSetup(this.verifySubPagesHidden_.bind(this));
+  suite('Advanced', this.testSubPages.bind(this));
+  mocha.run();
+});