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<!DOCTYPE html>
<html>
<!--
Copyright 2007 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>goog.dom.pattern.Matcher Tests</title>
<script src="../../base.js"></script>
<script type="text/javascript">
goog.require('goog.testing.jsunit');
goog.require('goog.dom.pattern.EndTag');
goog.require('goog.dom.pattern.FullTag');
goog.require('goog.dom.pattern.Matcher');
goog.require('goog.dom.pattern.Repeat');
goog.require('goog.dom.pattern.Sequence');
goog.require('goog.dom.pattern.StartTag');
goog.require('goog.dom.pattern.callback.Counter');
goog.require('goog.dom.pattern.callback.Test');
</script>
</head>
<body>
<p id="p1">
<span id="span1" style="color: red"></span>
</p>
<p id="p2">
<span id="span2" style="color: blue">x</span>
</p>
<p id="p3">Text</p>
<p id="p4">Other Text</p>
<span></span>
<div id="div1"><b>x</b><b>y</b><i>z</i></div>
<p id="p5"><b id="b1">x</b><b id="b2">y</b><i id="i1">z</i></p>
<script type="text/javascript">
function testMatcherAndStartTag() {
var pattern = new goog.dom.pattern.StartTag('P');
var counter = new goog.dom.pattern.callback.Counter();
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern, counter.getCallback());
matcher.match(document.body);
assertEquals('StartTag(p) should match 5 times in body', 5,
counter.count);
}
function testMatcherAndStartTagTwice() {
var pattern = new goog.dom.pattern.StartTag('P');
var counter = new goog.dom.pattern.callback.Counter();
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern, counter.getCallback());
matcher.match(document.body);
assertEquals('StartTag(p) should match 5 times in body', 5,
counter.count);
// Make sure no state got mangled.
counter.reset();
matcher.match(document.body);
assertEquals('StartTag(p) should match 5 times in body again', 5,
counter.count);
}
function testMatcherAndStartTagAttributes() {
var pattern = new goog.dom.pattern.StartTag('SPAN', {id: /./});
var counter = new goog.dom.pattern.callback.Counter();
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern, counter.getCallback());
matcher.match(document.body);
assertEquals('StartTag(span,id) should match 2 times in body', 2,
counter.count);
}
function testMatcherWithTwoPatterns() {
var pattern1 = new goog.dom.pattern.StartTag('SPAN');
var pattern2 = new goog.dom.pattern.StartTag('P');
var counter = new goog.dom.pattern.callback.Counter();
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern1, counter.getCallback());
matcher.addPattern(pattern2, counter.getCallback());
matcher.match(document.body);
assertEquals('StartTag(span|p) should match 8 times in body', 8,
counter.count);
}
function testMatcherWithQuit() {
var pattern1 = new goog.dom.pattern.StartTag('SPAN');
var pattern2 = new goog.dom.pattern.StartTag('P');
var count = 0;
var callback = function(node, position) {
if (node.nodeName == 'SPAN') {
throw goog.iter.StopIteration;
return true;
}
count++;
};
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern1, callback);
matcher.addPattern(pattern2, callback);
matcher.match(document.body);
assertEquals('Stopped span|p should match 1 time in body', 1, count);
}
function testMatcherWithReplace() {
var pattern1 = new goog.dom.pattern.StartTag('B');
var pattern2 = new goog.dom.pattern.StartTag('I');
var count = 0;
var callback = function(node, position) {
count++;
if (node.nodeName == 'B') {
var i = goog.dom.createDom('I');
node.parentNode.insertBefore(i, node);
goog.dom.removeNode(node);
position.setPosition(i);
return true;
}
};
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern1, callback);
matcher.addPattern(pattern2, callback);
matcher.match(goog.dom.getElement('div1'));
assertEquals('i|b->i should match 5 times in div1', 5, count);
}
function testMatcherAndFullTag() {
var pattern = new goog.dom.pattern.FullTag('P');
var test = new goog.dom.pattern.callback.Test();
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern, test.getCallback());
matcher.match(goog.dom.getElement('p1'));
assert('FullTag(p) should match on p1', test.matched);
test.reset();
matcher.match(goog.dom.getElement('div1'));
assert('FullTag(p) should not match on div1', !test.matched);
}
function testMatcherAndSequence() {
var pattern = new goog.dom.pattern.Sequence([
new goog.dom.pattern.StartTag('P'),
new goog.dom.pattern.StartTag('SPAN'),
new goog.dom.pattern.EndTag('SPAN'),
new goog.dom.pattern.EndTag('P')
], true);
var counter = new goog.dom.pattern.callback.Counter();
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern, counter.getCallback());
matcher.match(document.body);
assertEquals('Sequence should match 1 times in body', 1, counter.count);
}
function testMatcherAndRepeatFullTag() {
var pattern = new goog.dom.pattern.Repeat(
new goog.dom.pattern.FullTag('P'), 1);
var count = 0;
var tcount = 0;
var matcher = new goog.dom.pattern.Matcher();
matcher.addPattern(pattern, function() {
count++;
tcount += pattern.count;
});
matcher.match(document.body);
assertEquals('Repeated p should match 2 times in body', 2, count);
assertEquals('Repeated p should match 5 total times in body', 5, tcount);
}
</script>
</body>
</html>
|
