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338 lines
14 KiB
JavaScript
338 lines
14 KiB
JavaScript
var chai = require("chai");
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chai.config.includeStack = true;
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var expect = chai.expect;
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var JSDOMParser = require("../JSDOMParser");
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var BASETESTCASE = '<html><body><p>Some text and <a class="someclass" href="#">a link</a></p>' +
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'<div id="foo">With a <script>With < fancy " characters in it because' +
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'</script> that is fun.<span>And another node to make it harder</span></div><form><input type="text"/><input type="number"/>Here\'s a form</form></body></html>';
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var baseDoc = new JSDOMParser().parse(BASETESTCASE, "http://fakehost/");
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describe("Test JSDOM functionality", function() {
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function nodeExpect(actual, expected) {
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try {
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expect(actual).eql(expected);
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} catch (ex) {
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throw ex.message;
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}
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}
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it("should work for basic operations using the parent child hierarchy and innerHTML", function() {
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expect(baseDoc.childNodes.length).eql(1);
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expect(baseDoc.getElementsByTagName("*").length).eql(10);
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var foo = baseDoc.getElementById("foo");
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expect(foo.parentNode.localName).eql("body");
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nodeExpect(baseDoc.body, foo.parentNode);
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nodeExpect(baseDoc.body.parentNode, baseDoc.documentElement);
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expect(baseDoc.body.childNodes.length).eql(3);
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var generatedHTML = baseDoc.getElementsByTagName("p")[0].innerHTML;
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expect(generatedHTML).eql('Some text and <a class="someclass" href="#">a link</a>');
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var scriptNode = baseDoc.getElementsByTagName("script")[0];
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generatedHTML = scriptNode.innerHTML;
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expect(generatedHTML).eql('With < fancy " characters in it because');
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expect(scriptNode.textContent).eql('With < fancy " characters in it because');
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});
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it("should have basic URI information", function() {
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expect(baseDoc.documentURI, "http://fakehost/");
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expect(baseDoc.baseURI, "http://fakehost/");
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});
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it("should deal with script tags", function() {
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// Check our script parsing worked:
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var scripts = baseDoc.getElementsByTagName("script");
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expect(scripts.length).eql(1);
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expect(scripts[0].textContent).eql("With < fancy \" characters in it because");
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});
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it("should have working sibling/first+lastChild properties", function() {
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var foo = baseDoc.getElementById("foo");
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nodeExpect(foo.previousSibling.nextSibling, foo);
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nodeExpect(foo.nextSibling.previousSibling, foo);
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nodeExpect(foo.nextSibling, foo.nextElementSibling);
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nodeExpect(foo.previousSibling, foo.previousElementSibling);
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var beforeFoo = foo.previousSibling;
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var afterFoo = foo.nextSibling;
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nodeExpect(baseDoc.body.lastChild, afterFoo);
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nodeExpect(baseDoc.body.firstChild, beforeFoo);
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});
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it("should have working removeChild and appendChild functionality", function() {
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var foo = baseDoc.getElementById("foo");
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var beforeFoo = foo.previousSibling;
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var afterFoo = foo.nextSibling;
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var removedFoo = foo.parentNode.removeChild(foo);
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nodeExpect(foo, removedFoo);
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nodeExpect(foo.parentNode, null);
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nodeExpect(foo.previousSibling, null);
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nodeExpect(foo.nextSibling, null);
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nodeExpect(foo.previousElementSibling, null);
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nodeExpect(foo.nextElementSibling, null);
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expect(beforeFoo.localName).eql("p");
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nodeExpect(beforeFoo.nextSibling, afterFoo);
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nodeExpect(afterFoo.previousSibling, beforeFoo);
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nodeExpect(beforeFoo.nextElementSibling, afterFoo);
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nodeExpect(afterFoo.previousElementSibling, beforeFoo);
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expect(baseDoc.body.childNodes.length).eql(2);
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baseDoc.body.appendChild(foo);
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expect(baseDoc.body.childNodes.length).eql(3);
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nodeExpect(afterFoo.nextSibling, foo);
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nodeExpect(foo.previousSibling, afterFoo);
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nodeExpect(afterFoo.nextElementSibling, foo);
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nodeExpect(foo.previousElementSibling, afterFoo);
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// This should reorder back to sanity:
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baseDoc.body.appendChild(afterFoo);
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nodeExpect(foo.previousSibling, beforeFoo);
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nodeExpect(foo.nextSibling, afterFoo);
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nodeExpect(foo.previousElementSibling, beforeFoo);
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nodeExpect(foo.nextElementSibling, afterFoo);
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nodeExpect(foo.previousSibling.nextSibling, foo);
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nodeExpect(foo.nextSibling.previousSibling, foo);
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nodeExpect(foo.nextSibling, foo.nextElementSibling);
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nodeExpect(foo.previousSibling, foo.previousElementSibling);
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});
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it("should handle attributes", function() {
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var link = baseDoc.getElementsByTagName("a")[0];
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expect(link.getAttribute("href")).eql("#");
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expect(link.getAttribute("class")).eql(link.className);
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var foo = baseDoc.getElementById("foo");
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expect(foo.id).eql(foo.getAttribute("id"));
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});
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it("should have a working replaceChild", function() {
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var parent = baseDoc.getElementsByTagName("div")[0];
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var p = baseDoc.createElement("p");
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p.setAttribute("id", "my-replaced-kid");
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var childCount = parent.childNodes.length;
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var childElCount = parent.children.length;
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for (var i = 0; i < parent.childNodes.length; i++) {
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var replacedNode = parent.childNodes[i];
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var replacedAnElement = replacedNode.nodeType === replacedNode.ELEMENT_NODE;
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var oldNext = replacedNode.nextSibling;
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var oldNextEl = replacedNode.nextElementSibling;
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var oldPrev = replacedNode.previousSibling;
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var oldPrevEl = replacedNode.previousElementSibling;
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parent.replaceChild(p, replacedNode);
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// Check siblings and parents on both nodes were set:
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nodeExpect(p.nextSibling, oldNext);
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nodeExpect(p.previousSibling, oldPrev);
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nodeExpect(p.parentNode, parent);
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nodeExpect(replacedNode.parentNode, null);
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nodeExpect(replacedNode.nextSibling, null);
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nodeExpect(replacedNode.previousSibling, null);
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// if the old node was an element, element siblings should now be null
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if (replacedAnElement) {
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nodeExpect(replacedNode.nextElementSibling, null);
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nodeExpect(replacedNode.previousElementSibling, null);
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}
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// Check the siblings were updated
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if (oldNext)
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nodeExpect(oldNext.previousSibling, p);
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if (oldPrev)
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nodeExpect(oldPrev.nextSibling, p);
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// check the array was updated
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nodeExpect(parent.childNodes[i], p);
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// Now check element properties/lists:
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var kidElementIndex = parent.children.indexOf(p);
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// should be in the list:
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expect(kidElementIndex).not.eql(-1);
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if (kidElementIndex > 0) {
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nodeExpect(parent.children[kidElementIndex - 1], p.previousElementSibling);
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nodeExpect(p.previousElementSibling.nextElementSibling, p);
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} else {
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nodeExpect(p.previousElementSibling, null);
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}
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if (kidElementIndex < parent.children.length - 1) {
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nodeExpect(parent.children[kidElementIndex + 1], p.nextElementSibling);
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nodeExpect(p.nextElementSibling.previousElementSibling, p);
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} else {
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nodeExpect(p.nextElementSibling, null);
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}
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if (replacedAnElement) {
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nodeExpect(oldNextEl, p.nextElementSibling);
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nodeExpect(oldPrevEl, p.previousElementSibling);
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}
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expect(parent.childNodes.length).eql(childCount);
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expect(parent.children.length).eql(replacedAnElement ? childElCount : childElCount + 1);
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parent.replaceChild(replacedNode, p);
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nodeExpect(oldNext, replacedNode.nextSibling);
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nodeExpect(oldNextEl, replacedNode.nextElementSibling);
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nodeExpect(oldPrev, replacedNode.previousSibling);
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nodeExpect(oldPrevEl, replacedNode.previousElementSibling);
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if (replacedNode.nextSibling)
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nodeExpect(replacedNode.nextSibling.previousSibling, replacedNode);
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if (replacedNode.previousSibling)
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nodeExpect(replacedNode.previousSibling.nextSibling, replacedNode);
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if (replacedAnElement) {
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if (replacedNode.previousElementSibling)
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nodeExpect(replacedNode.previousElementSibling.nextElementSibling, replacedNode);
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if (replacedNode.nextElementSibling)
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nodeExpect(replacedNode.nextElementSibling.previousElementSibling, replacedNode);
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}
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}
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});
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});
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describe("Test HTML escaping", function() {
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var baseStr = "<p>Hello, everyone & all their friends, <this> is a " test with ' quotes.</p>";
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var doc = new JSDOMParser().parse(baseStr);
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var p = doc.getElementsByTagName("p")[0];
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var txtNode = p.firstChild;
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it("should handle encoding HTML correctly", function() {
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// This /should/ just be cached straight from reading it:
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expect("<p>" + p.innerHTML + "</p>").eql(baseStr);
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expect("<p>" + txtNode.innerHTML + "</p>").eql(baseStr);
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});
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it("should have decoded correctly", function() {
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expect(p.textContent).eql("Hello, everyone & all their friends, <this> is a \" test with ' quotes.");
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expect(txtNode.textContent).eql("Hello, everyone & all their friends, <this> is a \" test with ' quotes.");
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});
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it("should handle updates via textContent correctly", function() {
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// Because the initial tests might be based on cached innerHTML values,
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// let's manipulate via textContent in order to test that it alters
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// the innerHTML correctly.
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txtNode.textContent = txtNode.textContent + " ";
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txtNode.textContent = txtNode.textContent.trim();
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var expectedHTML = baseStr.replace(""", '"').replace("'", "'");
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expect("<p>" + txtNode.innerHTML + "</p>").eql(expectedHTML);
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expect("<p>" + p.innerHTML + "</p>").eql(expectedHTML);
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});
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it("should handle decimal and hex escape sequences", function() {
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var parsedDoc = new JSDOMParser().parse("<p>  </p>");
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expect(parsedDoc.getElementsByTagName("p")[0].textContent).eql(" ");
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});
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});
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describe("Script parsing", function() {
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it("should strip ?-based comments within script tags", function() {
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var html = '<script><?Silly test <img src="test"></script>';
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var doc = new JSDOMParser().parse(html);
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expect(doc.firstChild.tagName).eql("SCRIPT");
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expect(doc.firstChild.textContent).eql("");
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expect(doc.firstChild.children.length).eql(0);
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expect(doc.firstChild.childNodes.length).eql(0);
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});
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it("should strip !-based comments within script tags", function() {
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var html = '<script><!--Silly test > <script src="foo.js"></script>--></script>';
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var doc = new JSDOMParser().parse(html);
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expect(doc.firstChild.tagName).eql("SCRIPT");
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expect(doc.firstChild.textContent).eql("");
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expect(doc.firstChild.children.length).eql(0);
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expect(doc.firstChild.childNodes.length).eql(0);
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});
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it("should strip any other nodes within script tags", function() {
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var html = "<script><div>Hello, I'm not really in a </div></script>";
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var doc = new JSDOMParser().parse(html);
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expect(doc.firstChild.tagName).eql("SCRIPT");
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expect(doc.firstChild.textContent).eql("<div>Hello, I'm not really in a </div>");
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expect(doc.firstChild.children.length).eql(0);
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expect(doc.firstChild.childNodes.length).eql(1);
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});
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it("should strip any other invalid script nodes within script tags", function() {
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var html = '<script><script src="foo.js"></script></script>';
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var doc = new JSDOMParser().parse(html);
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expect(doc.firstChild.tagName).eql("SCRIPT");
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expect(doc.firstChild.textContent).eql("<script src=\"foo.js\"></script>");
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expect(doc.firstChild.children.length).eql(0);
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expect(doc.firstChild.childNodes.length).eql(1);
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});
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it("should not be confused by partial closing tags", function() {
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var html = "<script>var x = '<script>Hi<' + '/script>';</script>";
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var doc = new JSDOMParser().parse(html);
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expect(doc.firstChild.tagName).eql("SCRIPT");
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expect(doc.firstChild.textContent).eql("var x = '<script>Hi<' + '/script>';");
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expect(doc.firstChild.children.length).eql(0);
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expect(doc.firstChild.childNodes.length).eql(1);
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});
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});
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describe("Tag local name case handling", function() {
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it("should lowercase tag names", function() {
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var html = "<DIV><svG><clippath/></svG></DIV>";
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var doc = new JSDOMParser().parse(html);
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expect(doc.firstChild.tagName).eql("DIV");
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expect(doc.firstChild.localName).eql("div");
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expect(doc.firstChild.firstChild.tagName).eql("SVG");
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expect(doc.firstChild.firstChild.localName).eql("svg");
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expect(doc.firstChild.firstChild.firstChild.tagName).eql("CLIPPATH");
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expect(doc.firstChild.firstChild.firstChild.localName).eql("clippath");
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});
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});
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describe("Recovery from self-closing tags that have close tags", function() {
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it("should handle delayed closing of a tag", function() {
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var html = "<div><input><p>I'm in an input</p></input></div>";
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var doc = new JSDOMParser().parse(html);
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expect(doc.firstChild.localName).eql("div");
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expect(doc.firstChild.childNodes.length).eql(1);
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expect(doc.firstChild.firstChild.localName).eql("input");
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expect(doc.firstChild.firstChild.childNodes.length).eql(1);
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expect(doc.firstChild.firstChild.firstChild.localName).eql("p");
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});
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});
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describe("baseURI parsing", function() {
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it("should handle various types of relative and absolute base URIs", function() {
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function checkBase(base, expectedResult) {
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var html = "<html><head><base href='" + base + "'></base></head><body/></html>";
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var doc = new JSDOMParser().parse(html, "http://fakehost/some/dir/");
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expect(doc.baseURI).eql(expectedResult);
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}
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checkBase("relative/path", "http://fakehost/some/dir/relative/path");
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checkBase("/path", "http://fakehost/path");
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checkBase("http://absolute/", "http://absolute/");
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checkBase("//absolute/path", "http://absolute/path");
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});
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});
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describe("namespace workarounds", function() {
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it("should handle random namespace information in the serialized DOM", function() {
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var html = "<a0:html><a0:body><a0:DIV><a0:svG><a0:clippath/></a0:svG></a0:DIV></a0:body></a0:html>";
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var doc = new JSDOMParser().parse(html);
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var div = doc.getElementsByTagName("div")[0];
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expect(div.tagName).eql("DIV");
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expect(div.localName).eql("div");
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expect(div.firstChild.tagName).eql("SVG");
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expect(div.firstChild.localName).eql("svg");
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expect(div.firstChild.firstChild.tagName).eql("CLIPPATH");
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expect(div.firstChild.firstChild.localName).eql("clippath");
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expect(doc.documentElement).eql(doc.firstChild);
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expect(doc.body).eql(doc.documentElement.firstChild);
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});
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});
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