mozilla-central/dom/serviceworkers/test/test_async_waituntil.html

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Test Info: Warnings

<!DOCTYPE HTML>
<html>
<!--
Test that:
1. waitUntil() waits for each individual promise separately, even if
one of them was rejected.
2. waitUntil() can be called asynchronously as long as there is still
a pending extension promise.
-->
<head>
<title>Test for Bug 1263304</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="error_reporting_helpers.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
</head>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
<script src="utils.js"></script>
<script class="testbody" type="text/javascript">
add_task(function setupPrefs() {
return SpecialPowers.pushPrefEnv({"set": [
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
]});
});
function wait_for_message(expected_message) {
return new Promise(function(resolve, reject) {
navigator.serviceWorker.onmessage = function(event) {
navigator.serviceWorker.onmessage = null;
ok(event.data === expected_message, "Received expected message event: " + event.data);
resolve();
}
});
}
add_task(async function async_wait_until() {
var worker;
let registration = await navigator.serviceWorker.register(
"async_waituntil_worker.js", { scope: "./"} )
.then(function(reg) {
worker = reg.installing;
return waitForState(worker, 'activated', reg);
});
// The service worker will claim us when it becomes active.
ok(navigator.serviceWorker.controller, "Controlled");
// This will make the service worker die immediately if there are no pending
// waitUntil promises to keep it alive.
await SpecialPowers.pushPrefEnv({"set": [
["dom.serviceWorkers.idle_timeout", 0],
["dom.serviceWorkers.idle_extended_timeout", 299999]]});
// The service worker will wait on two promises, one of which
// will be rejected. We check whether the SW is killed using
// the value of a global variable.
let waitForStart = wait_for_message("Started");
worker.postMessage("Start");
await waitForStart;
await new Promise((res, rej) => {
setTimeout(res, 0);
});
let waitResult = wait_for_message("Success");
worker.postMessage("Result");
await waitResult;
// Test the behaviour of calling waitUntil asynchronously. The important
// part is that we receive the message event.
let waitForMessage = wait_for_message("Done");
await fetch("doesnt_exist.html").then(() => {
ok(true, "Fetch was successful.");
});
await waitForMessage;
await SpecialPowers.popPrefEnv();
await SpecialPowers.popPrefEnv();
await registration.unregister();
});
</script>
</body>
</html>