3
* Adds a xml_eq method to AnotherWay test objects.
10
* Function: createNode
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* Given a string, try to create an XML DOM node. Throws string messages
15
* text - {String} An XML string.
18
* {DOMElement} An element node.
20
function createNode(text) {
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var index = text.indexOf('<');
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text = text.substring(index);
28
if(window.ActiveXObject && !this.xmldom) {
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doc = new ActiveXObject("Microsoft.XMLDOM");
33
throw "ActiveXObject loadXML failed: " + err;
35
} else if(window.DOMParser) {
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doc = new DOMParser().parseFromString(text, 'text/xml');
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throw "DOMParser.parseFromString failed";
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if(doc.documentElement && doc.documentElement.nodeName == "parsererror") {
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throw "DOMParser.parseFromString returned parsererror";
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var req = new XMLHttpRequest();
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req.open("GET", "data:text/xml;charset=utf-8," +
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encodeURIComponent(text), false);
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if(req.overrideMimeType) {
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req.overrideMimeType("text/xml");
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doc = req.responseXML;
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var root = doc.documentElement;
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throw "no documentElement";
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* Function assertEqual
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* Test two objects for equivalence (based on ==). Throw an exception
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* msg - {String} The message to be thrown. This message will be appended
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* with ": got {got} but expected {expected}" where got and expected are
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* replaced with string representations of the above arguments.
74
function assertEqual(got, expected, msg) {
75
if(got === undefined) {
77
} else if (got === null) {
80
if(expected === undefined) {
81
expected = "undefined";
82
} else if (expected === null) {
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throw msg + ": got '" + got + "' but expected '" + expected + "'";
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* Function assertElementNodesEqual
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* Test two element nodes for equivalence. Nodes are considered equivalent
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* if they are of the same type, have the same name, have the same
94
* namespace prefix and uri, and if all child nodes are equivalent.
95
* Throws a message as exception if not equivalent.
99
* expected - {DOMElement}
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* options - {Object} Optional object for configuring test options.
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* prefix - {Boolean} Compare element and attribute
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* prefixes (namespace uri always tested). Default is false.
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* includeWhiteSpace - {Boolean} Include whitespace only nodes when
106
* comparing child nodes. Default is false.
108
function assertElementNodesEqual(got, expected, options) {
109
var testPrefix = (options && options.prefix === true);
112
assertEqual(got.nodeType, expected.nodeType, "Node type mismatch");
115
var gotName = testPrefix ?
116
got.nodeName : got.nodeName.split(":").pop();
117
var expName = testPrefix ?
118
expected.nodeName : expected.nodeName.split(":").pop();
119
assertEqual(gotName, expName, "Node name mismatch");
121
// for text nodes compare value
122
if(got.nodeType == 3) {
124
got.nodeValue, expected.nodeValue, "Node value mismatch"
127
// for element type nodes compare namespace, attributes, and children
128
else if(got.nodeType == 1) {
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// test namespace alias and uri
131
if(got.prefix || expected.prefix) {
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got.prefix, expected.prefix,
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"Bad prefix for " + got.nodeName
139
if(got.namespaceURI || expected.namespaceURI) {
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got.namespaceURI, expected.namespaceURI,
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"Bad namespaceURI for " + got.nodeName
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// compare attributes - disregard xmlns given namespace handling above
152
for(var i=0; i<got.attributes.length; ++i) {
153
ga = got.attributes[i];
154
if(ga.specified === undefined || ga.specified === true) {
155
if(ga.name.split(":").shift() != "xmlns") {
156
gn = testPrefix ? ga.name : ga.name.split(":").pop();
162
for(var i=0; i<expected.attributes.length; ++i) {
163
ea = expected.attributes[i];
164
if(ea.specified === undefined || ea.specified === true) {
165
if(ea.name.split(":").shift() != "xmlns") {
166
en = testPrefix ? ea.name : ea.name.split(":").pop();
173
gotAttrLen, expAttrLen,
174
"Attributes length mismatch for " + got.nodeName
177
for(var name in gotAttr) {
178
if(expAttr[name] == undefined) {
179
throw "Attribute name " + gotAttr[name].name + " expected for element " + got.nodeName;
181
// test attribute namespace
183
gotAttr[name].namespaceURI, expAttr[name].namespaceURI,
184
"Attribute namespace mismatch for element " +
185
got.nodeName + " attribute name " + gotAttr[name].name
187
// test attribute value
189
gotAttr[name].value, expAttr[name].value,
190
"Attribute value mismatch for element " + got.nodeName +
191
" attribute name " + gotAttr[name].name
196
var gotChildNodes = getChildNodes(got, options);
197
var expChildNodes = getChildNodes(expected, options);
200
gotChildNodes.length, expChildNodes.length,
201
"Children length mismatch for " + got.nodeName
203
for(var j=0; j<gotChildNodes.length; ++j) {
205
assertElementNodesEqual(
206
gotChildNodes[j], expChildNodes[j], options
209
throw "Bad child " + j + " for element " + got.nodeName + ": " + err;
217
* Function getChildNodes
218
* Returns the child nodes of the specified nodes. By default this method
219
* will ignore child text nodes which are made up of whitespace content.
220
* The 'includeWhiteSpace' option is used to control this behaviour.
223
* node - {DOMElement}
224
* options - {Object} Optional object for test configuration.
227
* includeWhiteSpace - {Boolean} Include whitespace only nodes when
228
* comparing child nodes. Default is false.
231
* {Array} of {DOMElement}
233
function getChildNodes(node, options) {
235
if (options && options.includeWhiteSpace) {
236
return node.childNodes;
240
for (var i = 0; i < node.childNodes.length; i++ ) {
241
var child = node.childNodes[i];
242
if (child.nodeType == 1) {
243
//element node, add it
246
else if (child.nodeType == 3) {
247
//text node, add if non empty
248
if (child.nodeValue &&
249
child.nodeValue.replace(/^\s*(.*?)\s*$/, "$1") != "" ) {
261
* Function: Test.AnotherWay._test_object_t.xml_eq
262
* Test if two XML nodes are equivalent. Tests for same node types, same
263
* node names, same namespace URI, same attributes, and recursively
264
* tests child nodes for same criteria.
267
* t.xml_eq(got, expected, message);
271
* got - {DOMElement | String} A DOM node or XML string to test.
272
* expected - {DOMElement | String} The expected DOM node or XML string.
273
* msg - {String} A message to print with test output.
274
* options - {Object} Optional object for configuring test.
277
* prefix - {Boolean} Compare element and attribute
278
* prefixes (namespace uri always tested). Default is false.
279
* includeWhiteSpace - {Boolean} Include whitespace only nodes when
280
* comparing child nodes. Default is false.
282
var proto = Test.AnotherWay._test_object_t.prototype;
283
proto.xml_eq = function(got, expected, msg, options) {
284
// convert arguments to nodes if string
285
if(typeof got == "string") {
287
got = createNode(got);
289
this.fail(msg + ": got argument could not be converted to an XML node: " + err);
293
if(typeof expected == "string") {
295
expected = createNode(expected);
297
this.fail(msg + ": expected argument could not be converted to an XML node: " + err);
302
// test nodes for equivalence
304
assertElementNodesEqual(got, expected, options);
307
this.fail(msg + ": " + err);