chromium/third_party/blink/web_tests/external/wpt/fedcm/fedcm-pending-userinfo.https.html

<!DOCTYPE html>
<title>Federated Credential Management API pending getUserInfo() test.</title>
<link rel="help" href="https://fedidcg.github.io/FedCM">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<body>

<script type="module">
import {alt_manifest_origin,
        alt_request_options_with_mediation_required,
        fedcm_test,
        fedcm_get_and_select_first_account} from './support/fedcm-helper.sub.js';

async function createIframeWithPermissionPolicyAndWaitForMessage(test, iframeUrl) {
    const messageWatcher = new EventWatcher(test, window, "message");
    let iframe = document.createElement("iframe");
    iframe.src = iframeUrl;
    iframe.allow = "identity-credentials-get";
    document.body.appendChild(iframe);
    let message = null;
    // Ignore internal "testdriver-complete" messages.
    do {
        message = await messageWatcher.wait_for("message");
    } while (typeof message.data !== "string");
    return message.data;
}

fedcm_test(async t => {
  const cred = await fedcm_get_and_select_first_account(t, alt_request_options_with_mediation_required());
  assert_equals(cred.token, "token");

  const iframe_in_idp_scope = `${alt_manifest_origin}/\
fedcm/support/fedcm/pending-userinfo-iframe.html`;
  const message = await createIframeWithPermissionPolicyAndWaitForMessage(t, iframe_in_idp_scope);
  assert_equals(message, "Pass");
}, 'Test basic User InFo API flow');
</script>