chrome/test/data/webui/most_visited_page_test.js

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 function pageObjectEquals(a, b) {
   6   return a.url == b.url && a.title == b.title && a.pinned == b.pinned;
   7 }
   8
   9 function pageObjectArrayEquals(a, b) {
  10   if (a.length != b.length)
  11     return false;
  12
  13   for (var i = 0; i < a.length; i++) {
  14     if (!a && !b)
  15       continue;
  16
  17     if (!pageObjectEquals(a[i], b[i]))
  18       return false;
  19   }
  20
  21   return true;
  22 }
  23
  24 function refreshDataBasic() {
  25   // Tests that we toss out pages that don't appear in the new data.
  26   var oldData = [{url: 'foo'}];
  27   var newData = [{url: 'bar'}];
  28   var mergedData = ntp.refreshData(oldData, newData);
  29   assertTrue(pageObjectArrayEquals(mergedData, newData));
  30 }
  31
  32 function refreshDataOrdering() {
  33   // Tests that the order of pages (based on URL) in the current list is
  34   // preserved, but the other page data (like title) is copied from newData.
  35   var oldData = [
  36     {url: 'foo', title: 'foo (1)'},
  37     {url: 'bar', title: 'bar (1)'}];
  38
  39   var newData = [
  40     {url: 'bar', title: 'bar (2)'},
  41     {url: 'foo', title: 'foo (2)'}];
  42
  43   var expectedData = [
  44     {url: 'foo', title: 'foo (2)'},
  45     {url: 'bar', title: 'bar (2)'}];
  46
  47   var mergedData = ntp.refreshData(oldData, newData);
  48   assertTrue(pageObjectArrayEquals(mergedData, expectedData));
  49 }
  50
  51 function refreshDataPinning() {
  52   // Tests that the 'pinned' attribute is always respected.
  53   var oldData = [
  54     {url: 'foo', title: 'foo (1)'},
  55     {url: 'bar', title: 'bar (1)'}];
  56
  57   var newData = [
  58     {url: 'bar', title: 'bar (2)', pinned: true},
  59     {url: 'foo', title: 'foo (2)'}];
  60
  61   var mergedData = ntp.refreshData(oldData, newData);
  62   assertTrue(pageObjectArrayEquals(mergedData, newData));
  63
  64   // Tests we don't choke on empty data before a pinned entry.
  65   oldData = [{url: 'foo', title: 'foo (1)'}];
  66   newData = [{}, {url: 'foo', title: 'foo (2)', pinned: true}];
  67
  68   mergedData = ntp.refreshData(oldData, newData);
  69   assertTrue(pageObjectArrayEquals(mergedData, newData));
  70 }