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Test Info:
- Manifest: dom/l10n/tests/mochitest/chrome.toml
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test DOMLocalization.prototype.connectRoot with Web Components</title>
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
class FluentWidget extends HTMLElement {
constructor() {
super();
const shadowRoot = this.attachShadow({mode: "open"});
const t = document.querySelector("#fluent-widget-template");
const instance = t.content.cloneNode(true);
shadowRoot.appendChild(instance);
}
connectedCallback() {
document.domLoc.connectRoot(this.shadowRoot);
ok(true);
let label = this.shadowRoot.getElementById("label");
// Test for mutations applied.
let verifyL10n = () => {
if (label.textContent.length) {
window.removeEventListener("MozAfterPaint", verifyL10n);
// Notice: In normal tests we do not want to test against any particular
// But in this particular test, since we do not rely on actual real
// localization, but instead we mock it in the test, we can test
// against the actual value safely.
is(label.textContent, "Value for Key 1", "localization content applied to element");
SimpleTest.finish();
}
};
window.addEventListener("MozAfterPaint", verifyL10n);
document.domLoc.setAttributes(label, "key1");
}
}
customElements.define("fluent-widget", FluentWidget);
</script>
<script type="application/javascript">
"use strict";
const l10nReg = new L10nRegistry();
const fs = [
{ path: "/localization/en-US/mock.ftl", source: `
key1 = Value for Key 1
` },
];
const source = L10nFileSource.createMock("test", "app", ["en-US"], "/localization/{locale}", fs);
l10nReg.registerSources([source]);
document.domLoc = new DOMLocalization(
["/mock.ftl"],
false,
l10nReg,
["en-US"],
);
</script>
</head>
<body>
<template id="fluent-widget-template">
<div>
<p id="label"></p>
</div>
</template>
<fluent-widget id="widget1"></fluent-widget>
</body>
</html>