gecko-dev/devtools/server/tests/mochitest/test_inspector-traversal.html

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<!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/server/actors/inspector");
window.onload = function() {
SimpleTest.waitForExplicitFinish();
runNextTest();
}
var gInspectee = null;
var gClient = null;
var gWalker = null;
var checkActorIDs = [];
function assertOwnership() {
assertOwnershipTrees(gWalker);
}
addTest(function setup() {
let url = document.getElementById("inspectorContent").href;
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 => {
ok(walker, "getWalker() should return an actor.");
gClient = client;
gWalker = walker;
}).then(runNextTest));
});
});
addTest(function testWalkerRoot() {
// Make sure that refetching the root document of the walker returns the same
// actor as the getWalker returned.
promiseDone(gWalker.document().then(root => {
ok(root === gWalker.rootNode, "Re-fetching the document node should match the root document node.");
checkActorIDs.push(root.actorID);
assertOwnership();
}).then(runNextTest));
});
addTest(function testInnerHTML() {
promiseDone(gWalker.documentElement().then(docElement => {
return gWalker.innerHTML(docElement);
}).then(longstring => {
return longstring.string();
}).then(innerHTML => {
ok(innerHTML === gInspectee.documentElement.innerHTML, "innerHTML should match");
}).then(runNextTest));
});
addTest(function testOuterHTML() {
promiseDone(gWalker.documentElement().then(docElement => {
return gWalker.outerHTML(docElement);
}).then(longstring => {
return longstring.string();
}).then(outerHTML => {
ok(outerHTML === gInspectee.documentElement.outerHTML, "outerHTML should match");
}).then(runNextTest));
});
addTest(function testSetOuterHTMLNode() {
let newHTML = "<p id=\"edit-html-done\">after edit</p>";
promiseDone(gWalker.querySelector(gWalker.rootNode, "#edit-html").then(node => {
return gWalker.setOuterHTML(node, newHTML);
}).then(() => {
return gWalker.querySelector(gWalker.rootNode, "#edit-html-done");
}).then(node => {
return gWalker.outerHTML(node);
}).then(longstring => {
return longstring.string();
}).then(outerHTML => {
is(outerHTML, newHTML, "outerHTML has been updated");
}).then(() => {
return gWalker.querySelector(gWalker.rootNode, "#edit-html");
}).then(node => {
ok(!node, "The node with the old ID cannot be selected anymore");
}).then(runNextTest));
});
addTest(function testQuerySelector() {
promiseDone(gWalker.querySelector(gWalker.rootNode, "#longlist").then(node => {
is(node.getAttribute("data-test"), "exists", "should have found the right node");
assertOwnership();
}).then(() => {
return gWalker.querySelector(gWalker.rootNode, "unknownqueryselector").then(node => {
ok(!node, "Should not find a node here.");
assertOwnership();
});
}).then(runNextTest));
});
addTest(function testQuerySelectors() {
let nodeList = null;
let firstNode = null;
let nodeListID = null;
promiseDone(gWalker.querySelectorAll(gWalker.rootNode, "#longlist div").then(list => {
nodeList = list;
is(nodeList.length, 26, "Expect 26 div children.");
assertOwnership();
return nodeList.item(0);
}).then(node => {
firstNode = node;
checkActorIDs.push(node.actorID);
is(node.id, "a", "First child should be a");
assertOwnership();
return nodeList.items();
}).then(nodes => {
is(nodes.length, 26, "Expect 26 nodes");
is(nodes[0], firstNode, "First node should be reused.");
ok(nodes[0]._parent, "Parent node should be set.");
ok(nodes[0]._next || nodes[0]._prev, "Siblings should be set.");
ok(nodes[25]._next || nodes[25]._prev, "Siblings of " + nodes[25] + " should be set.");
assertOwnership();
return nodeList.items(-1);
}).then(nodes => {
is(nodes.length, 1, "Expect 1 node")
is(nodes[0].id, "z", "Expect it to be the last node.");
checkActorIDs.push(nodes[0].actorID);
// Save the node list ID so we can ensure it was destroyed.
nodeListID = nodeList.actorID;
assertOwnership();
return nodeList.release();
}).then(() => {
ok(!nodeList.actorID, "Actor should have been destroyed.");
assertOwnership();
return checkMissing(gClient, nodeListID);
}).then(runNextTest));
});
// Helper to check the response of requests that return hasFirst/hasLast/nodes
// node lists (like `children` and `siblings`)
function nodeArrayChecker(first, last, ids) {
return function(response) {
is(response.hasFirst, first, "Should " + (first ? "" : "not ") + " have the first node.");
is(response.hasLast, last, "Should " + (last ? "" : "not ") + " have the last node.");
is(response.nodes.length, ids.length, "Should have " + ids.length + " children listed.");
let responseIds = '';
for (node of response.nodes) {
responseIds += node.id;
}
is(responseIds, ids, "Correct nodes were returned.");
assertOwnership();
}
}
addTest(function testNoChildren() {
promiseDone(gWalker.querySelector(gWalker.rootNode, "#empty").then(empty => {
assertOwnership();
return gWalker.children(empty).then(nodeArrayChecker(true, true, ""));
}).then(runNextTest));
});
addTest(function testLongListTraversal() {
var longList;
var allChildren;
promiseDone(gWalker.querySelector(gWalker.rootNode, "#longlist").then(node => {
longList = node;
// First call with no options, expect all children.
assertOwnership();
return gWalker.children(longList).then(response => {
nodeArrayChecker(true, true, "abcdefghijklmnopqrstuvwxyz")(response);
allChildren = response.nodes;
assertOwnership();
});
}).then(() => {
// maxNodes should limit us to the first 5 nodes.
assertOwnership();
return gWalker.children(longList, { maxNodes: 5 }).then(nodeArrayChecker(true, false, 'abcde'));
}).then(() => {
assertOwnership();
// maxNodes with the second item centered should still give us the first 5 nodes.
return gWalker.children(longList, { maxNodes: 5, center: allChildren[1] }).then(
nodeArrayChecker(true, false, 'abcde')
);
}).then(() => {
// maxNodes with a center in the middle of the list should put that item in the middle
let center = allChildren[13];
is(center.id, 'n', "Make sure I know how to count letters.");
return gWalker.children(longList, { maxNodes: 5, center: center }).then(
nodeArrayChecker(false, false, 'lmnop')
);
}).then(() => {
// maxNodes with the second-to-last item centered should give us the last 5 nodes.
return gWalker.children(longList, { maxNodes: 5, center: allChildren[24] }).then(
nodeArrayChecker(false, true, 'vwxyz')
);
}).then(() => {
// maxNodes with a start in the middle should start at that node and fetch 5
let start = allChildren[13];
is(start.id, 'n', "Make sure I know how to count letters.")
return gWalker.children(longList, { maxNodes: 5, start: start }).then(
nodeArrayChecker(false, false, 'nopqr')
);
}).then(() => {
// maxNodes near the end should only return what's left
return gWalker.children(longList, { maxNodes: 5, start: allChildren[24] }).then(
nodeArrayChecker(false, true, 'yz')
);
}).then(runNextTest));
});
addTest(function testObjectNodeChildren() {
promiseDone(
gWalker.querySelector(gWalker.rootNode, "object")
.then(object => gWalker.children(object))
.then(nodeArrayChecker(true, true, "1"))
.then(runNextTest));
});
addTest(function testSiblings() {
promiseDone(gWalker.querySelector(gWalker.rootNode, "#a").then(a => {
return gWalker.siblings(a, { maxNodes: 5, center: a }).then(nodeArrayChecker(true, false, "abcde"));
}).then(() => {
return gWalker.siblings(gWalker.rootNode).then(response => {
ok(response.hasFirst && response.hasLast, "Has first and last.");
is(response.nodes.length, 1, "Has only the document element.");
ok(response.nodes[0] === gWalker.rootNode, "Document element is its own sibling.");
});
}).then(runNextTest));
});
addTest(function testNextSibling() {
promiseDone(gWalker.querySelector(gWalker.rootNode, "#y").then(y => {
is(y.id, "y", "Got the right node.");
return gWalker.nextSibling(y);
}).then(z => {
is(z.id, "z", "nextSibling got the next node.");
return gWalker.nextSibling(z);
}).then(nothing => {
is(nothing, null, "nextSibling on the last node returned null.");
}).then(runNextTest));
});
addTest(function testPreviousSibling() {
promiseDone(gWalker.querySelector(gWalker.rootNode, "#b").then(b => {
is(b.id, "b", "Got the right node.");
return gWalker.previousSibling(b);
}).then(a => {
is(a.id, "a", "nextSibling got the next node.");
return gWalker.previousSibling(a);
}).then(nothing => {
is(nothing, null, "previousSibling on the first node returned null.");
}).then(runNextTest));
});
addTest(function testFrameTraversal() {
promiseDone(gWalker.querySelector(gWalker.rootNode, "#childFrame").then(childFrame => {
return gWalker.children(childFrame);
}).then(children => {
let nodes = children.nodes;
is(nodes.length, 1, "There should be only one child of the iframe");
is(nodes[0].nodeType, Node.DOCUMENT_NODE, "iframe child should be a document node");
return gWalker.querySelector(nodes[0], "#z");
}).then(childDocumentZ => {
return gWalker.parents(childDocumentZ);
}).then(parents => {
// Expected set of parent tag names for this item:
let expectedParents = ['DIV', 'BODY', 'HTML', '#document', 'IFRAME', 'BODY', 'HTML', '#document'];
for (let parent of parents) {
let expected = expectedParents.shift();
is(parent.nodeName, expected, "Got expected parent");
}
}).then(runNextTest));
});
addTest(function testLongValue() {
const testSummaryLength = 10;
inspector.setValueSummaryLength(testSummaryLength);
SimpleTest.registerCleanupFunction(function() {
inspector.setValueSummaryLength(inspector.DEFAULT_VALUE_SUMMARY_LENGTH);
});
let longstringText = gInspectee.getElementById("longstring").firstChild.nodeValue;
promiseDone(gWalker.querySelector(gWalker.rootNode, "#longstring").then(node => {
ok(!node.inlineTextChild, "Text is too long to be inlined");
// Now we need to get the text node child...
return gWalker.children(node, { maxNodes: 1 });
}).then(children => {
let textNode = children.nodes[0];
is(textNode.nodeType, Node.TEXT_NODE, "Value should be a text node");
return textNode;
}).then(textNode => {
return textNode.getNodeValue();
}).then(value => {
return value.string();
}).then(valueStr => {
is(valueStr, longstringText, "Full node value should match the string from the document.");
}).then(runNextTest));
});
addTest(function testShortValue() {
let shortstringText = gInspectee.getElementById("shortstring").firstChild.nodeValue;
promiseDone(gWalker.querySelector(gWalker.rootNode, "#shortstring").then(node => {
ok(!!node.inlineTextChild, "Text is short enough to be inlined");
// Now we need to get the text node child...
return gWalker.children(node, { maxNodes: 1 });
}).then(children => {
let textNode = children.nodes[0];
is(textNode.nodeType, Node.TEXT_NODE, "Value should be a text node");
return textNode;
}).then(textNode => {
return textNode.getNodeValue();
}).then(value => {
return value.string();
}).then(valueStr => {
is(valueStr, shortstringText, "Full node value should match the string from the document.");
}).then(runNextTest));
});
addTest(function testReleaseWalker() {
checkActorIDs.push(gWalker.actorID);
promiseDone(gWalker.release().then(() => {
let promises = Array.from(checkActorIDs, (id) => checkMissing(gClient, id));
return promise.all(promises)
}).then(runNextTest));
});
addTest(function cleanup() {
delete gWalker;
delete gInspectee;
delete gClient;
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>