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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test for Bug 777674
add_task(async function() {
const { walker } = await initInspectorFront(
MAIN_DOMAIN + "inspector-traversal-data.html"
);
await testXBLAnonymousInHTMLDocument(walker);
await testNativeAnonymous(walker);
await testNativeAnonymousStartingNode(walker);
await testPseudoElements(walker);
await testEmptyWithPseudo(walker);
await testShadowAnonymous(walker);
});
async function testXBLAnonymousInHTMLDocument(walker) {
info("Testing XBL anonymous in an HTML document.");
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], function() {
const XUL_NS =
"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
const rawToolbarbutton = content.document.createElementNS(
XUL_NS,
"toolbarbutton"
);
content.document.documentElement.appendChild(rawToolbarbutton);
});
const toolbarbutton = await walker.querySelector(
walker.rootNode,
"toolbarbutton"
);
const children = await walker.children(toolbarbutton);
is(toolbarbutton.numChildren, 0, "XBL content is not visible in HTML doc");
is(children.nodes.length, 0, "XBL content is not returned in HTML doc");
}
async function testNativeAnonymous(walker) {
info("Testing native anonymous content with walker.");
const select = await walker.querySelector(walker.rootNode, "select");
const children = await walker.children(select);
is(select.numChildren, 2, "No native anon content for form control");
is(children.nodes.length, 2, "No native anon content for form control");
}
async function testNativeAnonymousStartingNode(walker) {
info("Tests attaching an element that a walker can't see.");
await SpecialPowers.spawn(
gBrowser.selectedBrowser,
[[walker.actorID]],
async function(actorID) {
const { require } = ChromeUtils.import(
"resource://devtools/shared/Loader.jsm"
);
const { DevToolsServer } = require("devtools/server/devtools-server");
const {
DocumentWalker,
} = require("devtools/server/actors/inspector/document-walker");
const nodeFilterConstants = require("devtools/shared/dom-node-filter-constants");
const docwalker = new DocumentWalker(
content.document.querySelector("select"),
content,
{
whatToShow: nodeFilterConstants.SHOW_ALL,
filter: () => {
return nodeFilterConstants.FILTER_ACCEPT;
},
}
);
const scrollbar = docwalker.lastChild();
is(scrollbar.tagName, "scrollbar", "An anonymous child has been fetched");
// Convert actorID to current compartment string otherwise
// searchAllConnectionsForActor is confused and won't find the actor.
actorID = String(actorID);
const serverWalker = DevToolsServer.searchAllConnectionsForActor(actorID);
const node = await serverWalker.attachElement(scrollbar);
ok(node, "A response has arrived");
ok(node.node, "A node is in the response");
is(
node.node.rawNode.tagName,
"SELECT",
"The node has changed to a parent that the walker recognizes"
);
}
);
}
async function testPseudoElements(walker) {
info("Testing pseudo elements with walker.");
// Markup looks like: <div><::before /><span /><::after /></div>
const pseudo = await walker.querySelector(walker.rootNode, "#pseudo");
const children = await walker.children(pseudo);
is(
pseudo.numChildren,
1,
"::before/::after are not counted if there is a child"
);
is(children.nodes.length, 3, "Correct number of children");
const before = children.nodes[0];
ok(before.isAnonymous, "Child is anonymous");
ok(before._form.isNativeAnonymous, "Child is native anonymous");
const span = children.nodes[1];
ok(!span.isAnonymous, "Child is not anonymous");
const after = children.nodes[2];
ok(after.isAnonymous, "Child is anonymous");
ok(after._form.isNativeAnonymous, "Child is native anonymous");
}
async function testEmptyWithPseudo(walker) {
info("Testing elements with no childrent, except for pseudos.");
info("Checking an element whose only child is a pseudo element");
const pseudo = await walker.querySelector(walker.rootNode, "#pseudo-empty");
const children = await walker.children(pseudo);
is(
pseudo.numChildren,
1,
"::before/::after are is counted if there are no other children"
);
is(children.nodes.length, 1, "Correct number of children");
const before = children.nodes[0];
ok(before.isAnonymous, "Child is anonymous");
ok(before._form.isNativeAnonymous, "Child is native anonymous");
}
async function testShadowAnonymous(walker) {
info("Testing shadow DOM content.");
const host = await walker.querySelector(walker.rootNode, "#shadow");
const children = await walker.children(host);
// #shadow-root, ::before, light dom
is(host.numChildren, 3, "Children of the shadow root are counted");
is(children.nodes.length, 3, "Children returned from walker");
const before = children.nodes[1];
is(
before._form.nodeName,
"_moz_generated_content_before",
"Should be the ::before pseudo-element"
);
ok(before.isAnonymous, "::before is anonymous");
ok(before._form.isNativeAnonymous, "::before is native anonymous");
info(JSON.stringify(before._form));
const shadow = children.nodes[0];
const shadowChildren = await walker.children(shadow);
// <h3>...</h3>, <select multiple></select>
is(shadow.numChildren, 2, "Children of the shadow root are counted");
is(shadowChildren.nodes.length, 2, "Children returned from walker");
// <h3>Shadow <em>DOM</em></h3>
const shadowChild1 = shadowChildren.nodes[0];
ok(!shadowChild1.isAnonymous, "Shadow child is not anonymous");
ok(
!shadowChild1._form.isNativeAnonymous,
"Shadow child is not native anonymous"
);
const shadowSubChildren = await walker.children(shadowChild1);
is(shadowChild1.numChildren, 2, "Subchildren of the shadow root are counted");
is(shadowSubChildren.nodes.length, 2, "Subchildren are returned from walker");
// <em>DOM</em>
const shadowSubChild = shadowSubChildren.nodes[1];
ok(
!shadowSubChild.isAnonymous,
"Subchildren of shadow root are not anonymous"
);
ok(
!shadowSubChild._form.isNativeAnonymous,
"Subchildren of shadow root is not native anonymous"
);
// <select multiple></select>
const shadowChild2 = shadowChildren.nodes[1];
ok(!shadowChild2.isAnonymous, "Child is anonymous");
ok(!shadowChild2._form.isNativeAnonymous, "Child is not native anonymous");
}
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