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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Bug 982726 - Test service worker post message </title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
<script class="testbody" type="text/javascript">
/**
*
*/
let iframe;
let registration;
function start() {
return new Promise(resolve => {
const content = document.getElementById("content");
ok(content, "Parent exists.");
iframe = document.createElement("iframe");
iframe.setAttribute("src", "sw_clients/refresher_compressed.html");
/*
* The initial iframe must be the _uncached_ version, which means its
* load must happen before the Service Worker's `activate` event.
* Rather than `waitUntil`-ing the Service Worker's `install` event
* until the load finishes (more concurrency, but involves coordinating
* `postMessage`s), just ensure the load finishes before registering
* the Service Worker (which is simpler).
*/
iframe.onload = resolve;
content.appendChild(iframe);
}).then(async () => {
/*
* There's no need _here_ to explicitly wait for this Service Worker to be
* "activated"; this test will progress when the "READY"/"READY_CACHED"
* messages are received from the iframe, and the iframe will only send
* those messages once the Service Worker is "activated" (by chaining on
* its `navigator.serviceWorker.ready` promise).
*/
registration = await navigator.serviceWorker.register(
"force_refresh_worker.js", { scope: "./sw_clients/" });
});
}
function unregister() {
return registration.unregister().then(function(result) {
ok(result, "Unregister should return true.");
}, function(e) {
dump("Unregistering the SW failed with " + e + "\n");
});
}
function testForceRefresh(swr) {
return new Promise(function(res, rej) {
var count = 0;
var cachedCount = 0;
window.onmessage = function(e) {
if (e.data === "READY") {
count += 1;
if (count == 2) {
is(cachedCount, 1, "should have received cached message before " +
"second non-cached message");
res();
}
iframe.contentWindow.postMessage("REFRESH", "*");
} else if (e.data === "READY_CACHED") {
cachedCount += 1;
is(count, 1, "should have received non-cached message before " +
"cached message");
iframe.contentWindow.postMessage("FORCE_REFRESH", "*");
}
}
}).then(() => document.getElementById("content").removeChild(iframe));
}
function runTest() {
start()
.then(testForceRefresh)
.then(unregister)
.catch(function(e) {
ok(false, "Some test failed with error " + e);
}).then(SimpleTest.finish);
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
["dom.caches.enabled", true],
]}, runTest);
</script>
</pre>
</body>
</html>
|
