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<!DOCTYPE html>
<title>Service Worker: Fetch Event Waits for Activate Event</title>
<meta name=timeout content=long>
<script src="/resources/testharness.js"></script>
<script src="resources/testharness-helpers.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<body>
<script>
var worker = 'resources/fetch-waits-for-activate-worker.js';
var expected_url = normalizeURL(worker);
var scope = 'resources/fetch-waits-for-activate/';
promise_test(function(t) {
var registration;
var frameLoadPromise;
var frame;
return service_worker_unregister_and_register(t, worker, scope).then(function(reg) {
t.add_cleanup(function() {
return service_worker_unregister(t, scope);
});
registration = reg;
return wait_for_state(t, reg.installing, 'activating');
}).then(function() {
assert_equals(registration.active.scriptURL, expected_url,
'active worker should be present');
assert_equals(registration.active.state, 'activating',
'active worker should be in activating state');
// This should block until we message the worker to tell it to complete
// the activate event.
frameLoadPromise = with_iframe(scope).then(function(f) {
frame = f;
});
// Wait some time to allow frame loading to proceed. It should not,
// however, if the fetch event is blocked on the activate. I don't
// see any way to force this race without a timeout, unfortunately.
return new Promise(function(resolve) {
setTimeout(resolve, 1000);
});
}).then(function() {
assert_equals(frame, undefined, 'frame should not be loaded');
assert_equals(registration.active.scriptURL, expected_url,
'active worker should be present');
assert_equals(registration.active.state, 'activating',
'active worker should be in activating state');
// This signals the activate event to complete. The frame should now
// load.
registration.active.postMessage('GO');
return frameLoadPromise;
}).then(function() {
assert_equals(frame.contentWindow.navigator.serviceWorker.controller.scriptURL,
expected_url, 'frame should now be loaded and controlled');
assert_equals(registration.active.state, 'activated',
'active worker should be in activated state');
frame.remove();
});
}, 'Fetch events should wait for the activate event to complete.');
</script>
</body>
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