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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /dom/serviceworkers/test/test_abrupt_completion.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/serviceworkers/test/test_abrupt_completion.html')
| -rw-r--r-- | dom/serviceworkers/test/test_abrupt_completion.html | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/test_abrupt_completion.html b/dom/serviceworkers/test/test_abrupt_completion.html new file mode 100644 index 0000000000..bbf9e965f0 --- /dev/null +++ b/dom/serviceworkers/test/test_abrupt_completion.html @@ -0,0 +1,144 @@ +<!doctype html> +<meta charset=utf-8> +<title></title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<script> + +// Tests a _registered_ ServiceWorker whose script evaluation results in an +// "abrupt completion", e.g. threw an uncaught exception. Such a ServiceWorker's +// first script evaluation must result in a "normal completion", however, for +// the Update algorithm to not abort in its step 18 when registering: +// +// 18. If runResult is failure or an abrupt completion, then: [...] + +const script = "./abrupt_completion_worker.js"; +const scope = "./empty.html"; +const expectedMessage = "handler-before-throw"; +let registration = null; + +// Should only be called once registration.active is non-null. Uses +// implementation details by zero-ing the "idle timeout"s and then sending an +// event to the ServiceWorker, which should immediately cause its termination. +// The idle timeouts are restored after the ServiceWorker is terminated. +async function startAndStopServiceWorker() { + SpecialPowers.registerObservers("service-worker-shutdown"); + + const spTopic = "specialpowers-service-worker-shutdown"; + + const origIdleTimeout = + SpecialPowers.getIntPref("dom.serviceWorkers.idle_timeout"); + + const origIdleExtendedTimeout = + SpecialPowers.getIntPref("dom.serviceWorkers.idle_extended_timeout"); + + await new Promise(resolve => { + const observer = { + async observe(subject, topic, data) { + if (topic !== spTopic) { + return; + } + + SpecialPowers.removeObserver(observer, spTopic); + + await SpecialPowers.pushPrefEnv({ + set: [ + ["dom.serviceWorkers.idle_timeout", origIdleTimeout], + ["dom.serviceWorkers.idle_extended_timeout", origIdleExtendedTimeout] + ] + }); + + resolve(); + }, + }; + + // Speed things up. + SpecialPowers.pushPrefEnv({ + set: [ + ["dom.serviceWorkers.idle_timeout", 0], + ["dom.serviceWorkers.idle_extended_timeout", 0] + ] + }).then(() => { + SpecialPowers.addObserver(observer, spTopic); + + registration.active.postMessage(""); + }); + }); +} + +// eslint-disable-next-line mozilla/no-addtask-setup +add_task(async function setup() { + await SpecialPowers.pushPrefEnv({ + set: [ + ["dom.serviceWorkers.enabled", true], + ["dom.serviceWorkers.testing.enabled", true] + ] + }); + + registration = await navigator.serviceWorker.register(script, { scope }); + SimpleTest.registerCleanupFunction(async function unregisterRegistration() { + await registration.unregister(); + }); + + await new Promise(resolve => { + const serviceWorker = registration.installing; + + serviceWorker.onstatechange = () => { + if (serviceWorker.state === "activated") { + resolve(); + } + }; + }); + + ok(registration.active instanceof ServiceWorker, "ServiceWorker is activated"); +}); + +// We expect that the restarted SW that experiences an abrupt completion at +// startup after adding its message handler 1) will be active in order to +// respond to our postMessage and 2) will respond with the global value set +// prior to the importScripts call that throws (and not the global value that +// would have been assigned after the importScripts call if it didn't throw). +add_task(async function testMessageHandler() { + await startAndStopServiceWorker(); + + await new Promise(resolve => { + navigator.serviceWorker.onmessage = e => { + is(e.data, expectedMessage, "Correct message handler"); + resolve(); + }; + registration.active.postMessage(""); + }); +}); + +// We expect that the restarted SW that experiences an abrupt completion at +// startup before adding its "fetch" listener will 1) successfully dispatch the +// event and 2) it will not be handled (respondWith() will not be called) so +// interception will be reset and the response will contain the contents of +// empty.html. Before the fix in bug 1603484 the SW would fail to properly start +// up and the fetch event would result in a NetworkError, breaking the +// controlled page. +add_task(async function testFetchHandler() { + await startAndStopServiceWorker(); + + const iframe = document.createElement("iframe"); + SimpleTest.registerCleanupFunction(function removeIframe() { + iframe.remove(); + }); + + await new Promise(resolve => { + iframe.src = scope; + iframe.onload = resolve; + document.body.appendChild(iframe); + }); + + const response = await iframe.contentWindow.fetch(scope); + + // NetworkError will have a status of 0, which is not "ok", and this is + // a stronger guarantee that should be true instead of just checking if there + // isn't a NetworkError. + ok(response.ok, "Fetch succeeded and didn't result in a NetworkError"); + + const text = await response.text(); + is(text, "", "Correct response text"); +}); + +</script> |