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<!DOCTYPE html>
<html>
<!--
Copyright 2006 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.ds</title>
<script src="../base.js"></script>
<script>
goog.require('goog.array');
goog.require('goog.dom.xml');
goog.require('goog.ds.DataManager');
goog.require('goog.ds.JsDataSource');
goog.require('goog.ds.SortedNodeList');
goog.require('goog.ds.XmlDataSource');
goog.require('goog.testing.jsunit');
</script>
</head>
<script>
var xmlDs;
var jsDs;
function setUp() {
var xmltext ='<test><node value="5">some data</node></test>';
var doc = goog.dom.xml.loadXml(xmltext);
xmlDs = new goog.ds.XmlDataSource(doc.documentElement, null, null);
var jsObj = { node: { '@value': 5, '#text': 'some data', name: 'bob',
age: 35, alive: true, aliases: ['bobbo', 'robbo']} };
jsDs = new goog.ds.JsDataSource(jsObj, 'JSDS', null);
}
function testJsDataSource() {
var child = jsDs.getChildNode('node');
var attr = child.getChildNode('@value');
var text = child.getChildNode('#text');
var name = child.getChildNode('name');
var age = child.getChildNode('age');
var alive = child.getChildNode('alive');
var aliases = child.getChildNode('aliases');
assertEquals('Attribute get', attr.get(), 5);
assertEquals('Text get', text.get(), 'some data');
assertEquals('string node get', name.get(), 'bob');
assertEquals('Number get', age.get(), 35);
assertEquals('Boolean get', alive.get(), true);
assertEquals('Array value', aliases.get().getByIndex(1).get(), 'robbo');
assertEquals('Array length', aliases.get().getCount(), 2);
assertEquals('Datasource name', jsDs.getDataName(), 'JSDS');
}
function testXmlDataSource(){
var child = xmlDs.getChildNode('node');
var attr = child.getChildNode('@value');
var text = child.getChildNode('#text');
assertEquals('Attribute get', attr.get(), '5');
assertEquals('Text get', text.get(), 'some data');
assertEquals('Attr child node value', child.getChildNodeValue('@value'), '5');
}
function testChildNodeValue() {
var child = jsDs.getChildNode('node');
assertEquals('Child node value', child.getChildNodeValue('age'), 35);
}
function testJsSet() {
assertNull('Get new child node is null', jsDs.getChildNode('Newt'));
jsDs.setChildNode('Newt', 'A newt');
assertEquals('New string child node',
jsDs.getChildNode('Newt').get(), 'A newt');
jsDs.setChildNode('Number', 35);
assertEquals('New number child node', jsDs.getChildNodeValue('Number'), 35);
var numNode = jsDs.getChildNode('Number');
jsDs.getChildNode('Number').set(38);
assertEquals('Changed number child node', numNode.get(), 38);
assertThrows('Shouldn\'t be able to set a group node yet', function() {
jsDs.set(5);
});
}
function testDataManager() {
var dm = goog.ds.DataManager.getInstance();
assertNotNull('DataManager exists', dm);
assertTrue('No datasources yet', dm.getChildNodes().getCount() == 0);
dm.addDataSource(jsDs, true);
assertTrue('One data source', dm.getChildNodes().getCount() == 1);
assertEquals('Renamed to global prefix',
'$JSDS',
dm.getChildNodes().getByIndex(0).getDataName());
}
/**
* Constructs an array of data nodes from a javascript array.
*/
function createDataNodesArrayFromJs(jsObj) {
var jsds = new goog.ds.JsDataSource(jsObj, 'MYJSDS', null);
var dataNodes = jsds.getChildNodes();
var dataNodesArray = [];
var dataNodesCount = dataNodes.getCount();
for(var i = 0; i < dataNodesCount; i++) {
dataNodesArray[i] = dataNodes.getByIndex(i);
}
return dataNodesArray;
}
function testSortedNodeListConstruction() {
var dataNodesArray = createDataNodesArrayFromJs(
[{'Value': 2, 'id': "C"},
{'Value': 0, 'id': "A"},
{'Value': 1, 'id': "B"},
{'Value': 3, 'id': "D"}]
);
var sortedNodeList = new goog.ds.SortedNodeList(
valueSort, dataNodesArray);
assertEquals(
"SortedNodeList count", 4, sortedNodeList.getCount());
var expectedValues = [0, 1, 2, 3];
for (var i = 0; i < expectedValues.length; i++) {
assertEquals(
"SortedNodeList position after construction",
expectedValues[i],
sortedNodeList.getByIndex(i).getChildNode('Value').get());
}
}
function testSortedNodeListAdd() {
var sortedNodeList = new goog.ds.SortedNodeList(valueSort);
var dataNodesArray = createDataNodesArrayFromJs(
[{'Value': 2, 'id': "C"},
{'Value': 0, 'id': "A"},
{'Value': 1, 'id': "B"},
{'Value': 3, 'id': "D"}]
);
for (var i = 0; i < dataNodesArray.length; i++) {
sortedNodeList.add(dataNodesArray[i]);
}
assertEquals(
"SortedNodeList count", 4, sortedNodeList.getCount());
var expectedValues = [0, 1, 2, 3];
for (var i = 0; i < expectedValues.length; i++) {
assertEquals(
"SortedNodeList position after construction",
expectedValues[i],
sortedNodeList.getByIndex(i).getChildNode('Value').get());
}
}
function testSortedNodeListAppend() {
var sortedNodeList = new goog.ds.SortedNodeList(valueSort);
var dataNodesArray = createDataNodesArrayFromJs(
[{'Value': 2, 'id': "C"},
{'Value': 0, 'id': "A"},
{'Value': 1, 'id': "B"},
{'Value': 3, 'id': "D"}]
);
for (var i = 0; i < dataNodesArray.length; i++) {
sortedNodeList.append(dataNodesArray[i]);
}
assertEquals(
"SortedNodeList count",
dataNodesArray.length,
sortedNodeList.getCount());
var expectedValues = [2, 0, 1, 3];
for (var i = 0; i < expectedValues.length; i++) {
assertEquals(
"SortedNodeList position after construction",
expectedValues[i],
sortedNodeList.getByIndex(i).getChildNode('Value').get());
}
}
function testSortedNodeListSet() {
var dataNodesArray = createDataNodesArrayFromJs(
[{'Value': 4, 'id': "C"},
{'Value': 0, 'id': "A"},
{'Value': 2, 'id': "B"},
{'Value': 6, 'id': "D"}]
);
var sortedNodeList = new goog.ds.SortedNodeList(
valueSort, dataNodesArray);
assertEquals(
"SortedNodeList count", 4, sortedNodeList.getCount());
// test set that replaces an existing node
var replaceNode = createDataNodesArrayFromJs([{'Value': 5, 'id': "B"}])[0];
sortedNodeList.setNode("B", replaceNode);
assertEquals(
"SortedNodeList count", 4, sortedNodeList.getCount());
assertEquals(
"SortedNodeList replacement node correct",
replaceNode,
sortedNodeList.get("B"));
var expectedValues = [0,4,5,6];
for (var i = 0; i < expectedValues.length; i++) {
assertEquals(
"SortedNodeList position after set",
expectedValues[i],
sortedNodeList.getByIndex(i).getChildNode('Value').get());
}
// test a set that adds a new node
var addedNode = createDataNodesArrayFromJs([{'Value': 1, 'id': "E"}])[0];
sortedNodeList.setNode("E", addedNode);
assertEquals(
"SortedNodeList count", 5 , sortedNodeList.getCount());
assertEquals(
"SortedNodeList added node correct",
addedNode,
sortedNodeList.get("E"));
var expectedValues = [0, 1, 4, 5, 6];
for (var i = 0; i < expectedValues.length; i++) {
assertEquals(
"SortedNodeList position after set",
expectedValues[i],
sortedNodeList.getByIndex(i).getChildNode('Value').get());
}
}
function valueSort(a,b) {
var valueA = a.getChildNode('Value').get();
var valueB = b.getChildNode('Value').get();
return (valueA - valueB);
}
</script>
</head>
</body>
</html>
|
