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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const { findCandidates } = ChromeUtils.importESModule(
"moz-src:///browser/components/tabnotes/CanonicalURL.sys.mjs"
);
/**
* @param {string|undefined} [url]
* @returns {Document}
*/
function getDocument(url) {
const html = `
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
${url ? `<link rel="canonical" href="${url}">` : ""}
</head>
<body>
</body>
</html>
`;
return Document.parseHTMLUnsafe(html);
}
add_task(async function test_link_rel_canonical_missing() {
const doc = getDocument();
const candidates = findCandidates(doc);
Assert.equal(
candidates.link,
undefined,
`link[rel="canonical"] should not be found`
);
});
add_task(async function test_link_rel_canonical_present() {
const candidates = findCandidates(doc);
Assert.equal(
candidates.link,
`link[rel="canonical"] should be found`
);
});