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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that clicking on the Start button next to a Service Worker works as
// intended in about:debugging.
// It should cause a worker to start running in a child process.
// Service workers can't be loaded from chrome://, but http:// is ok with
// dom.serviceWorkers.testing.enabled turned on.
const SERVICE_WORKER = URL_ROOT + "service-workers/empty-sw.js";
const TAB_URL = URL_ROOT + "service-workers/empty-sw.html";
const SW_TIMEOUT = 1000;
add_task(function* () {
info("Turn on workers via mochitest http.");
yield new Promise(done => {
let options = { "set": [
// Accept workers from mochitest's http.
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.openWindow.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
// Reduce the timeout to accelerate service worker freezing
["dom.serviceWorkers.idle_timeout", SW_TIMEOUT],
["dom.serviceWorkers.idle_extended_timeout", SW_TIMEOUT],
]};
SpecialPowers.pushPrefEnv(options, done);
});
let { tab, document } = yield openAboutDebugging("workers");
// Listen for mutations in the service-workers list.
let serviceWorkersElement = getServiceWorkerList(document);
let onMutation = waitForMutation(serviceWorkersElement, { childList: true });
// Open a tab that registers an empty service worker.
let swTab = yield addTab(TAB_URL);
// Wait for the service-workers list to update.
yield onMutation;
// Check that the service worker appears in the UI.
assertHasTarget(true, document, "service-workers", SERVICE_WORKER);
info("Ensure that the registration resolved before trying to interact with " +
"the service worker.");
yield waitForServiceWorkerRegistered(swTab);
ok(true, "Service worker registration resolved");
yield waitForServiceWorkerActivation(SERVICE_WORKER, document);
// Retrieve the Target element corresponding to the service worker.
let names = [...document.querySelectorAll("#service-workers .target-name")];
let name = names.filter(element => element.textContent === SERVICE_WORKER)[0];
ok(name, "Found the service worker in the list");
let targetElement = name.parentNode.parentNode;
// The service worker may already be killed with the low 1s timeout
if (!targetElement.querySelector(".start-button")) {
// Check that there is a Debug button but not a Start button.
ok(targetElement.querySelector(".debug-button"), "Found its debug button");
// Wait for the service worker to be killed due to inactivity.
yield waitForMutation(targetElement, { childList: true });
} else {
// Check that there is no Debug button when the SW is already shut down.
ok(!targetElement.querySelector(".debug-button"), "No debug button when " +
"the worker is already killed");
}
// We should now have a Start button but no Debug button.
let startBtn = targetElement.querySelector(".start-button");
ok(startBtn, "Found its start button");
ok(!targetElement.querySelector(".debug-button"), "No debug button");
// Click on the Start button and wait for the service worker to be back.
let onStarted = waitForMutation(targetElement, { childList: true });
startBtn.click();
yield onStarted;
// Check that we have a Debug button but not a Start button again.
ok(targetElement.querySelector(".debug-button"), "Found its debug button");
ok(!targetElement.querySelector(".start-button"), "No start button");
// Finally, unregister the service worker itself.
try {
yield unregisterServiceWorker(swTab, serviceWorkersElement);
ok(true, "Service worker registration unregistered");
} catch (e) {
ok(false, "SW not unregistered; " + e);
}
yield removeTab(swTab);
yield closeAboutDebugging(tab);
});
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