content/test/data/indexeddb/index_test.js

   1 // Copyright (c) 2012 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 onCursor()
   6 {
   7   var cursor = event.target.result;
   8   if (cursor === null) {
   9     debug('Reached end of object cursor.');
  10     if (!gotObjectThroughCursor) {
  11       fail('Did not get object through cursor.');
  12       return;
  13     }
  14     done();
  15     return;
  16   }
  17
  18   debug('Got object through cursor.');
  19   shouldBe('event.target.result.key', '55');
  20   shouldBe('event.target.result.value.aValue', '"foo"');
  21   gotObjectThroughCursor = true;
  22
  23   cursor.continue();
  24 }
  25
  26 function onKeyCursor()
  27 {
  28   var cursor = event.target.result;
  29   if (cursor === null) {
  30     debug('Reached end of key cursor.');
  31     if (!gotKeyThroughCursor) {
  32       fail('Did not get key through cursor.');
  33       return;
  34     }
  35
  36     var request = index.openCursor(IDBKeyRange.only(55));
  37     request.onsuccess = onCursor;
  38     request.onerror = unexpectedErrorCallback;
  39     gotObjectThroughCursor = false;
  40     return;
  41   }
  42
  43   debug('Got key through cursor.');
  44   shouldBe('event.target.result.key', '55');
  45   shouldBe('event.target.result.primaryKey', '1');
  46   gotKeyThroughCursor = true;
  47
  48   cursor.continue();
  49 }
  50
  51 function getSuccess()
  52 {
  53   debug('Successfully got object through key in index.');
  54
  55   shouldBe('event.target.result.aKey', '55');
  56   shouldBe('event.target.result.aValue', '"foo"');
  57
  58   var request = index.openKeyCursor(IDBKeyRange.only(55));
  59   request.onsuccess = onKeyCursor;
  60   request.onerror = unexpectedErrorCallback;
  61   gotKeyThroughCursor = false;
  62 }
  63
  64 function getKeySuccess()
  65 {
  66   debug('Successfully got key.');
  67   shouldBe('event.target.result', '1');
  68
  69   var request = index.get(55);
  70   request.onsuccess = getSuccess;
  71   request.onerror = unexpectedErrorCallback;
  72 }
  73
  74 function moreDataAdded()
  75 {
  76   debug('Successfully added more data.');
  77
  78   var request = index.getKey(55);
  79   request.onsuccess = getKeySuccess;
  80   request.onerror = unexpectedErrorCallback;
  81 }
  82
  83 function indexErrorExpected()
  84 {
  85   debug('Existing index triggered on error as expected.');
  86
  87   var request = objectStore.put({'aKey': 55, 'aValue': 'foo'}, 1);
  88   request.onsuccess = moreDataAdded;
  89   request.onerror = unexpectedErrorCallback;
  90 }
  91
  92 function indexSuccess()
  93 {
  94   debug('Index created successfully.');
  95
  96   shouldBe("index.name", "'myIndex'");
  97   shouldBe("index.objectStore.name", "'test'");
  98   shouldBe("index.keyPath", "'aKey'");
  99   shouldBe("index.unique", "true");
 100
 101   try {
 102     request = objectStore.createIndex('myIndex', 'aKey', {unique: true});
 103     fail('Re-creating an index must throw an exception');
 104   } catch (e) {
 105     indexErrorExpected();
 106   }
 107 }
 108
 109 function createIndex(expect_error)
 110 {
 111   debug('Creating an index.');
 112   try {
 113     window.index = objectStore.createIndex('myIndex', 'aKey', {unique: true});
 114     indexSuccess();
 115   } catch (e) {
 116     unexpectedErrorCallback();
 117   }
 118 }
 119
 120 function dataAddedSuccess()
 121 {
 122   debug('Data added');
 123   createIndex(false);
 124 }
 125
 126 function populateObjectStore()
 127 {
 128   debug('Populating object store');
 129   db = event.target.result;
 130   window.objectStore = db.createObjectStore('test');
 131   var myValue = {'aKey': 21, 'aValue': '!42'};
 132   var request = objectStore.add(myValue, 0);
 133   request.onsuccess = dataAddedSuccess;
 134   request.onerror = unexpectedErrorCallback;
 135 }
 136
 137 function test() {
 138   indexedDBTest(populateObjectStore);
 139 }
 140