gecko-dev/devtools/server/tests/mochitest/test_inspector-pseudoclass-lock.html

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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=
-->
<head>
<meta charset="utf-8">
<title>Test for Bug </title>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
<script type="application/javascript;version=1.8" src="inspector-helpers.js"></script>
<script type="application/javascript;version=1.8">
const inspector = require("devtools/shared/fronts/inspector");
const DOMUtils = Components.classes["@mozilla.org/inspector/dom-utils;1"].
getService(Components.interfaces.inIDOMUtils);
const KNOWN_PSEUDOCLASSES = [':hover', ':active', ':focus']
window.onload = function() {
SimpleTest.waitForExplicitFinish();
runNextTest();
}
var gInspectee = null;
var gWalker = null;
var gClient = null;
var gCleanupConnection = null;
function setup(callback) {
let url = document.getElementById("inspectorContent").href;
gCleanupConnection = attachURL(url, function(err, client, tab, doc) {
gInspectee = doc;
let {InspectorFront} = require("devtools/shared/fronts/inspector");
let inspector = InspectorFront(client, tab);
promiseDone(inspector.getWalker().then(walker => {
gClient = client;
gWalker = walker;
}).then(callback));
});
}
function teardown() {
gWalker = null;
gClient = null;
gInspectee = null;
if (gCleanupConnection) {
gCleanupConnection();
gCleanupConnection = null;
}
}
function checkChange(change, expectation) {
is(change.type, "pseudoClassLock", "Expect a pseudoclass lock change.");
let target = change.target;
if (expectation.id)
is(target.id, expectation.id, "Expect a change on node id " + expectation.id);
if (expectation.nodeName)
is(target.nodeName, expectation.nodeName, "Expect a change on node name " + expectation.nodeName);
is(target.pseudoClassLocks.length, expectation.pseudos.length,
"Expect " + expectation.pseudos.length + " pseudoclass locks.");
for (let pseudo of expectation.pseudos) {
ok(target.hasPseudoClassLock(pseudo), "Expect lock: " + pseudo);
ok(DOMUtils.hasPseudoClassLock(target.rawNode(), pseudo), "Expect lock in dom: " + pseudo);
}
for (let pseudo of KNOWN_PSEUDOCLASSES) {
if (!expectation.pseudos.some(expected => pseudo === expected)) {
ok(!target.hasPseudoClassLock(pseudo), "Don't expect lock: " + pseudo);
ok(!DOMUtils.hasPseudoClassLock(target.rawNode(), pseudo), "Don't expect lock in dom: " + pseudo);
}
}
}
function checkMutations(mutations, expectations) {
is(mutations.length, expectations.length, "Should get the right number of mutations.");
for (let i = 0; i < mutations.length; i++) {
checkChange(mutations[i] , expectations[i]);
}
}
addTest(function testPseudoClassLock() {
let contentNode;
let nodeFront;
setup(() => {
contentNode = gInspectee.querySelector("#b");
return promiseDone(gWalker.querySelector(gWalker.rootNode, "#b").then(front => {
nodeFront = front;
// Lock the pseudoclass alone, no parents.
gWalker.addPseudoClassLock(nodeFront, ':active');
// Expect a single pseudoClassLock mutation.
return promiseOnce(gWalker, "mutations");
}).then(mutations => {
is(mutations.length, 1, "Should get one mutations");
is(mutations[0].target, nodeFront, "Should be the node we tried to apply to");
checkChange(mutations[0], {
id: "b",
nodeName: "DIV",
pseudos: [":active"]
});
}).then(() => {
// Now add :hover, this time with parents.
gWalker.addPseudoClassLock(nodeFront, ':hover', {parents: true});
return promiseOnce(gWalker, "mutations");
}).then(mutations => {
let expectedMutations = [{
id: 'b',
nodeName: 'DIV',
pseudos: [':hover', ':active'],
},
{
id: 'longlist',
nodeName: 'DIV',
pseudos: [':hover']
},
{
nodeName: 'BODY',
pseudos: [':hover']
},
{
nodeName: 'HTML',
pseudos: [':hover']
}];
checkMutations(mutations, expectedMutations);
}).then(() => {
// Now remove the :hover on all parents
gWalker.removePseudoClassLock(nodeFront, ':hover', {parents: true});
return promiseOnce(gWalker, "mutations");
}).then(mutations => {
let expectedMutations = [{
id: 'b',
nodeName: 'DIV',
// Should still have :active on the original node.
pseudos: [':active']
},
{
id: 'longlist',
nodeName: 'DIV',
pseudos: []
},
{
nodeName: 'BODY',
pseudos: []
},
{
nodeName: 'HTML',
pseudos: []
}];
checkMutations(mutations, expectedMutations);
}).then(() => {
// Now shut down the walker and make sure that clears up the remaining lock.
return gWalker.release();
}).then(() => {
ok(!DOMUtils.hasPseudoClassLock(contentNode, ':active'), "Pseudoclass should have been removed during destruction.");
teardown();
}).then(runNextTest));
});
});
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
<a id="inspectorContent" target="_blank" href="inspector-traversal-data.html">Test Document</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>