comm-central/mail/test/browser/composition/browser_linkPreviews.js (file symbol)

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Test link previews.
*/
var { close_compose_window, open_compose_new_mail } =
ChromeUtils.importESModule(
);
var url =
add_task(async function previewEnabled() {
Services.prefs.setBoolPref("mail.compose.add_link_preview", true);
const win = await open_compose_new_mail();
await navigator.clipboard.writeText(url);
const messageEditor = win.document.getElementById("messageEditor");
messageEditor.focus();
// Ctrl+V = Paste
EventUtils.synthesizeKey("v", { shiftKey: false, accelKey: true }, win);
await TestUtils.waitForCondition(
() => messageEditor.contentDocument.body.querySelector(".moz-card"),
"link preview should have appeared"
);
await close_compose_window(win);
Services.prefs.clearUserPref("mail.compose.add_link_preview");
});