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<!doctype html>
<title>ServiceWorker: worker objects have synced state</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
// Tests that ServiceWorker objects representing the same Service Worker
// entity have the same state. JS-level equality is now required according to
// the spec.
'use strict';
function nextChange(worker) {
return new Promise(function(resolve, reject) {
worker.addEventListener('statechange', function handler(event) {
try {
worker.removeEventListener('statechange', handler);
resolve(event.currentTarget.state);
} catch (err) {
reject(err);
}
});
});
}
promise_test(function(t) {
var scope = 'resources/synced-state';
var script = 'resources/empty-worker.js';
var registration, worker;
return service_worker_unregister_and_register(t, script, scope)
.then(function(r) {
registration = r;
worker = registration.installing;
t.add_cleanup(function() {
return r.unregister();
});
return nextChange(worker);
})
.then(function(state) {
assert_equals(state, 'installed',
'original SW should be installed');
assert_equals(registration.installing, null,
'in installed, .installing should be null');
assert_equals(registration.waiting, worker,
'in installed, .waiting should be equal to the ' +
'original worker');
assert_equals(registration.waiting.state, 'installed',
'in installed, .waiting should be installed');
assert_equals(registration.active, null,
'in installed, .active should be null');
return nextChange(worker);
})
.then(function(state) {
assert_equals(state, 'activating',
'original SW should be activating');
assert_equals(registration.installing, null,
'in activating, .installing should be null');
assert_equals(registration.waiting, null,
'in activating, .waiting should be null');
assert_equals(registration.active, worker,
'in activating, .active should be equal to the ' +
'original worker');
assert_equals(
registration.active.state, 'activating',
'in activating, .active should be activating');
return nextChange(worker);
})
.then(function(state) {
assert_equals(state, 'activated',
'original SW should be activated');
assert_equals(registration.installing, null,
'in activated, .installing should be null');
assert_equals(registration.waiting, null,
'in activated, .waiting should be null');
assert_equals(registration.active, worker,
'in activated, .active should be equal to the ' +
'original worker');
assert_equals(registration.active.state, 'activated',
'in activated .active should be activated');
})
.then(function() {
return navigator.serviceWorker.getRegistration(scope);
})
.then(function(r) {
assert_equals(r, registration, 'getRegistration should return the ' +
'same object');
});
}, 'worker objects for the same entity have the same state');
</script>
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