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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const BYPASS_WALKERFRONT_CHILDREN_IFRAME_GUARD_PREF =
"devtools.testing.bypass-walker-children-iframe-guard";
add_task(async function testIframe() {
info("Check that dedicated walker is used for retrieving iframe children");
const TEST_URI = `https://example.com/document-builder.sjs?html=${encodeURIComponent(`
<h1>Test iframe</h1>
<iframe src="https://example.com/document-builder.sjs?html=Hello"></iframe>
`)}`;
const { walker } = await initInspectorFront(TEST_URI);
const iframeNodeFront = await walker.querySelector(walker.rootNode, "iframe");
is(
iframeNodeFront.useChildTargetToFetchChildren,
isEveryFrameTargetEnabled(),
"useChildTargetToFetchChildren has expected value"
);
is(
iframeNodeFront.numChildren,
1,
"numChildren is set to 1 (for the #document node)"
);
const res = await walker.children(iframeNodeFront);
is(
res.nodes.length,
1,
"Retrieving the iframe children return an array with one element"
);
const documentNodeFront = res.nodes[0];
is(
documentNodeFront.nodeName,
"#document",
"The child is the #document element"
);
if (isEveryFrameTargetEnabled()) {
Assert.notStrictEqual(
documentNodeFront.walkerFront,
walker,
"The child walker is different from the top level document one when EFT is enabled"
);
}
is(
documentNodeFront.parentNode(),
iframeNodeFront,
"The child parent was set to the original iframe nodeFront"
);
});
add_task(async function testIframeBlockedByCSP() {
info("Check that iframe blocked by CSP don't have any children");
const TEST_URI = `https://example.com/document-builder.sjs?html=${encodeURIComponent(`
<h1>Test CSP-blocked iframe</h1>
<iframe src="https://example.org/document-builder.sjs?html=Hello"></iframe>
`)}&headers=content-security-policy:default-src 'self'`;
const { walker } = await initInspectorFront(TEST_URI);
const iframeNodeFront = await walker.querySelector(walker.rootNode, "iframe");
is(
iframeNodeFront.useChildTargetToFetchChildren,
false,
"useChildTargetToFetchChildren is false"
);
is(iframeNodeFront.numChildren, 0, "numChildren is set to 0");
info("Test calling WalkerFront#children with the safe guard removed");
await pushPref(BYPASS_WALKERFRONT_CHILDREN_IFRAME_GUARD_PREF, true);
let res = await walker.children(iframeNodeFront);
is(
res.nodes.length,
0,
"Retrieving the iframe children return an empty array"
);
info("Test calling WalkerFront#children again, but with the safe guard");
Services.prefs.clearUserPref(BYPASS_WALKERFRONT_CHILDREN_IFRAME_GUARD_PREF);
res = await walker.children(iframeNodeFront);
is(
res.nodes.length,
0,
"Retrieving the iframe children return an empty array"
);
});
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