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<!DOCTYPE html>
<title>Service Worker: registration end-to-end</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
var t = async_test('Registration: end-to-end');
t.step(function() {
var scope = 'resources/in-scope/';
var serviceWorkerStates = [];
var lastServiceWorkerState = '';
var receivedMessageFromPort = '';
assert_true(navigator.serviceWorker instanceof ServiceWorkerContainer);
assert_equals(typeof navigator.serviceWorker.register, 'function');
assert_equals(typeof navigator.serviceWorker.getRegistration, 'function');
service_worker_unregister_and_register(
t, 'resources/end-to-end-worker.js', scope)
.then(onRegister)
.catch(unreached_rejection(t));
function sendMessagePort(worker, from) {
var messageChannel = new MessageChannel();
worker.postMessage({from:from, port:messageChannel.port2}, [messageChannel.port2]);
return messageChannel.port1;
}
function onRegister(registration) {
var sw = registration.installing;
serviceWorkerStates.push(sw.state);
lastServiceWorkerState = sw.state;
var sawMessage = new Promise(t.step_func(function(resolve) {
sendMessagePort(sw, 'registering doc').onmessage = t.step_func(function (e) {
receivedMessageFromPort = e.data;
resolve();
});
}));
var sawActive = new Promise(t.step_func(function(resolve) {
sw.onstatechange = t.step_func(function() {
serviceWorkerStates.push(sw.state);
switch (sw.state) {
case 'installed':
assert_equals(lastServiceWorkerState, 'installing');
break;
case 'activating':
assert_equals(lastServiceWorkerState, 'installed');
break;
case 'activated':
assert_equals(lastServiceWorkerState, 'activating');
break;
default:
// We won't see 'redundant' because onstatechange is
// overwritten before calling unregister.
assert_unreached('Unexpected state: ' + sw.state);
}
lastServiceWorkerState = sw.state;
if (sw.state === 'activated')
resolve();
});
}));
Promise.all([sawMessage, sawActive]).then(t.step_func(function() {
assert_array_equals(serviceWorkerStates,
['installing', 'installed', 'activating', 'activated'],
'Service worker should pass through all states');
assert_equals(receivedMessageFromPort, 'Ack for: registering doc');
var sawRedundant = new Promise(t.step_func(function(resolve) {
sw.onstatechange = t.step_func(function() {
assert_equals(sw.state, 'redundant');
resolve();
});
}));
registration.unregister();
sawRedundant.then(t.step_func(function() {
t.done();
}));
}));
}
});
</script>
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