forked from mirrors/gecko-dev
640fe52298
MozReview-Commit-ID: F6xUXCgdRE4 --HG-- extra : rebase_source : 65de1b0aba412d9044b5196115f74276caa058f2
79 lines
3.1 KiB
JavaScript
79 lines
3.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Test that clicking on the Start button next to a Service Worker works as
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// intended in about:debugging.
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// It should cause a worker to start running in a child process.
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// Service workers can't be loaded from chrome://, but http:// is ok with
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// dom.serviceWorkers.testing.enabled turned on.
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const SERVICE_WORKER = URL_ROOT + "service-workers/empty-sw.js";
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const TAB_URL = URL_ROOT + "service-workers/empty-sw.html";
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const SW_TIMEOUT = 1000;
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add_task(async function() {
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await enableServiceWorkerDebugging();
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await pushPref("dom.serviceWorkers.idle_timeout", SW_TIMEOUT);
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await pushPref("dom.serviceWorkers.idle_extended_timeout", SW_TIMEOUT);
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const { tab, document } = await openAboutDebugging("workers");
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// Listen for mutations in the service-workers list.
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const serviceWorkersElement = getServiceWorkerList(document);
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// Open a tab that registers an empty service worker.
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const swTab = await addTab(TAB_URL);
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// Wait for the service-workers list to update.
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info("Wait until the service worker appears in about:debugging");
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await waitUntilServiceWorkerContainer(SERVICE_WORKER, document);
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info("Ensure that the registration resolved before trying to interact with " +
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"the service worker.");
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await waitForServiceWorkerRegistered(swTab);
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ok(true, "Service worker registration resolved");
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await waitForServiceWorkerActivation(SERVICE_WORKER, document);
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// Retrieve the Target element corresponding to the service worker.
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const names = [...document.querySelectorAll("#service-workers .target-name")];
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const name = names.filter(element => element.textContent === SERVICE_WORKER)[0];
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ok(name, "Found the service worker in the list");
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const targetElement = name.parentNode.parentNode;
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// The service worker may already be killed with the low 1s timeout.
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// At this stage, either the SW is started and the Debug button is visible or was
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// already stopped and the start button is visible. Wait until the service worker is
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// stopped.
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info("Wait until the start button is visible");
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await waitUntilElement(".start-button", targetElement);
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// We should now have a Start button but no Debug button.
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const startBtn = targetElement.querySelector(".start-button");
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ok(startBtn, "Found its start button");
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ok(!targetElement.querySelector(".debug-button"), "No debug button");
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// Click on the Start button and wait for the service worker to be back.
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startBtn.click();
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info("Wait until the service worker starts and the debug button appears");
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await waitUntilElement(".debug-button", targetElement);
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info("Found the debug button");
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// Check that we have a Debug button but not a Start button again.
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ok(!targetElement.querySelector(".start-button"), "No start button");
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// Finally, unregister the service worker itself.
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try {
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await unregisterServiceWorker(swTab, serviceWorkersElement);
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ok(true, "Service worker registration unregistered");
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} catch (e) {
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ok(false, "SW not unregistered; " + e);
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}
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await removeTab(swTab);
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await closeAboutDebugging(tab);
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});
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