MD Bookmarks: Validate URL input when editing a bookmark

chrome/test/data/webui/md_bookmarks/edit_dialog_test.js

 // Copyright 2017 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.
 
 suite('<bookmarks-edit-dialog>', function() {
   var dialog;
   var lastUpdate;
 
   suiteSetup(function() {
     chrome.bookmarks.update = function(id, edit) {
@@ skipping 17 matching lines @@
 
   test('editing a folder hides the url field', function() {
     var folder = createFolder('0', []);
     dialog.showEditDialog(folder);
 
     assertTrue(dialog.$.url.hidden);
   });
 
   test('editing passes the correct details to the update', function() {
     // Editing an item without changing anything.
-    var item = createItem('1', {url: 'www.website.com', title: 'website'});
+    var item = createItem('1', {url: 'http://website.com', title: 'website'});
     dialog.showEditDialog(item);
 
     MockInteractions.tap(dialog.$.saveButton);
 
     assertEquals(item.id, lastUpdate.id);
     assertEquals(item.url, lastUpdate.edit.url);
     assertEquals(item.title, lastUpdate.edit.title);
 
     // Editing a folder, changing the title.
     var folder = createFolder('2', [], {title: 'Cool Sites'});
     dialog.showEditDialog(folder);
     dialog.titleValue_ = 'Awesome websites';
 
     MockInteractions.tap(dialog.$.saveButton);
 
     assertEquals(folder.id, lastUpdate.id);
     assertEquals(undefined, lastUpdate.edit.url);
     assertEquals('Awesome websites', lastUpdate.edit.title);
   });
 
   test('pressing enter saves and closes dialog', function() {
     var item = createItem('1', {url: 'http://www.example.com'});
     dialog.showEditDialog(item);
 
     MockInteractions.pressEnter(dialog.$.url);
     assertFalse(dialog.$.dialog.open);
   });
+
+  test('validates urls correctly', function() {
+    dialog.urlValue_ = 'http://www.example.com';
+    assertTrue(dialog.validateUrl_());
+
+    dialog.urlValue_ = 'https://a@example.com:8080';
+    assertTrue(dialog.validateUrl_());
+
+    dialog.urlValue_ = 'example.com';
+    assertTrue(dialog.validateUrl_());
+    assertEquals('http://example.com', dialog.urlValue_);
+
+    dialog.urlValue_ = '';
+    assertFalse(dialog.validateUrl_());
+
+    dialog.urlValue_ = '~~~example.com~~~';
+    assertFalse(dialog.validateUrl_());
+  });
+
+  test('doesn\'t save when URL is invalid', function() {
+    var item = createItem('0');
+    dialog.showEditDialog(item);
+
+    dialog.urlValue_ = '';
+
+    MockInteractions.tap(dialog.$.saveButton);
+
+    assertTrue(dialog.$.url.invalid);
+    assertTrue(dialog.$.dialog.open);
+  });
 });