service-worker-interception-tests.js
function openWindow(url) {
return new Promise(resolve => {
let win = window.open(url, '_blank');
add_result_callback(() => win.close());
window.onmessage = e => {
assert_equals(e.data, 'LOADED');
resolve(win);
};
});
}
// Runs a series of tests related to service worker interception for a worklet.
//
// Usage:
// runServiceWorkerInterceptionTests("paint");
function runServiceWorkerInterceptionTests(worklet_type) {
const worklet = get_worklet(worklet_type);
// Tests that a worklet should be served by the owner document's service
// worker.
//
// [Current document] registers a service worker for Window's URL.
// --(open)--> [Window] should be controlled by the service worker.
// --(addModule)--> [Worklet] should be served by the service worker.
promise_test(t => {
const kWindowURL = 'resources/addmodule-window.html';
const kServiceWorkerScriptURL = 'resources/service-worker.js';
// This doesn't contain the 'resources/' prefix because this will be
// imported from a html file under resources/.
const kWorkletScriptURL = 'non-existent-worklet-script.js';
return service_worker_unregister_and_register(
t, kServiceWorkerScriptURL, kWindowURL)
.then(r => {
add_result_callback(() => r.unregister());
return wait_for_state(t, r.installing, 'activated');
})
.then(() => openWindow(kWindowURL))
.then(win => {
assert_not_equals(win.navigator.serviceWorker.controller, null,
'The document should be controlled.');
const promise = new Promise(r => window.onmessage = r);
// The worklet script on kWorkletScriptURL doesn't exist but the
// service worker serves it, so the addModule() should succeed.
win.postMessage({ type: worklet_type,
script_url: kWorkletScriptURL }, '*');
return promise;
})
.then(msg_event => assert_equals(msg_event.data, 'RESOLVED'));
}, 'addModule() on a controlled document should be intercepted by a ' +
'service worker.');
// Tests that a worklet should not be served by a service worker other than
// the owner document's service worker.
//
// [Current document] registers a service worker for Worklet's URL.
// --(open)--> [Window] should not be controlled by the service worker.
// --(addModule)--> [Worklet] should not be served by the service worker.
promise_test(t => {
const kWindowURL = 'resources/addmodule-window.html';
const kServiceWorkerScriptURL = 'resources/service-worker.js';
// This doesn't contain the 'resources/' prefix because this will be
// imported from a html file under resources/.
const kWorkletScriptURL = 'non-existent-worklet-script.js';
return service_worker_unregister_and_register(
t, kServiceWorkerScriptURL, 'resources/' + kWorkletScriptURL)
.then(r => {
add_result_callback(() => r.unregister());
return wait_for_state(t, r.installing, 'activated');
})
.then(() => openWindow(kWindowURL))
.then(win => {
assert_equals(win.navigator.serviceWorker.controller, null,
'The document should not be controlled.');
const promise = new Promise(r => window.onmessage = r);
// The worklet script on kWorkletScriptURL doesn't exist and the
// service worker doesn't serve it, so the addModule() should
// fail.
win.postMessage({ type: worklet_type,
script_url: kWorkletScriptURL }, '*');
return promise;
})
.then(msg_event => assert_equals(msg_event.data, 'REJECTED'));
}, 'addModule() on a non-controlled document should not be intercepted ' +
'by a service worker even if the script is under the service worker ' +
'scope.');
// Tests that static import should be served by the owner document's service
// worker.
//
// [Current document] registers a service worker for Window's URL.
// --(open)--> [Window] should be controlled by the service worker.
// --(addModule)--> [Worklet] should be served by the service worker.
// --(static import)--> [Script] should be served by the service worker.
promise_test(t => {
const kWindowURL = 'resources/addmodule-window.html';
const kServiceWorkerScriptURL = 'resources/service-worker.js';
// This doesn't contain the 'resources/' prefix because this will be
// imported from a html file under resources/.
const kWorkletScriptURL = 'import-non-existent-worklet-script.js';
return service_worker_unregister_and_register(
t, kServiceWorkerScriptURL, kWindowURL)
.then(r => {
add_result_callback(() => r.unregister());
return wait_for_state(t, r.installing, 'activated');
})
.then(() => openWindow(kWindowURL))
.then(win => {
assert_not_equals(win.navigator.serviceWorker.controller, null,
'The document should be controlled.');
const promise = new Promise(r => window.onmessage = r);
// A script statically imported by the worklet doesn't exist but
// the service worker serves it, so the addModule() should
// succeed.
win.postMessage({ type: worklet_type,
script_url: kWorkletScriptURL }, '*');
return promise;
})
.then(msg_event => assert_equals(msg_event.data, 'RESOLVED'));
}, 'Static import should be intercepted by a service worker.');
}