/*
* 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);
}
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