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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const gHttpTestRoot = "https://example.com/browser/dom/workers/test/";
function grabHistogramsFromContent(
use_counter_name,
worker_type,
counter_before = null
) {
let telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(
Ci.nsITelemetry
);
let gather = () => {
let snapshots;
if (Services.appinfo.browserTabsRemoteAutostart) {
snapshots = telemetry.getSnapshotForHistograms("main", false).content;
} else {
snapshots = telemetry.getSnapshotForHistograms("main", false).parent;
}
let checkedGet = probe => {
return snapshots[probe] ? snapshots[probe].sum : 0;
};
return [
checkedGet(`USE_COUNTER2_${use_counter_name}_${worker_type}_WORKER`),
checkedGet(`${worker_type}_WORKER_DESTROYED`),
];
};
return BrowserTestUtils.waitForCondition(() => {
return counter_before != gather()[0];
}).then(gather, gather);
}
var check_use_counter_worker = async function (
use_counter_name,
worker_type,
content_task
) {
info(`checking ${use_counter_name} use counters for ${worker_type} worker`);
let newTab = BrowserTestUtils.addTab(gBrowser, "about:blank");
gBrowser.selectedTab = newTab;
newTab.linkedBrowser.stop();
// Hold on to the current values of the telemetry histograms we're
// interested in.
let [histogram_before, destructions_before] = await grabHistogramsFromContent(
use_counter_name,
worker_type
);
BrowserTestUtils.loadURIString(
gBrowser.selectedBrowser,
gHttpTestRoot + "file_use_counter_worker.html"
);
await BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
await content_task(gBrowser.selectedBrowser);
// Tear down the page.
let tabClosed = BrowserTestUtils.waitForTabClosing(newTab);
gBrowser.removeTab(newTab);
await tabClosed;
// Grab histograms again and compare.
let [histogram_after, destructions_after] = await grabHistogramsFromContent(
use_counter_name,
worker_type,
histogram_before
);
is(
histogram_after,
histogram_before + 1,
`histogram ${use_counter_name} counts for ${worker_type} worker are correct`
);
// There might be other workers created by prior tests get destroyed during
// this tests.
ok(
destructions_after > destructions_before,
`${worker_type} worker counts are correct`
);
};
add_task(async function test_dedicated_worker() {
await check_use_counter_worker("CONSOLE_LOG", "DEDICATED", async browser => {
await ContentTask.spawn(browser, {}, function () {
return new Promise(resolve => {
let worker = new content.Worker("file_use_counter_worker.js");
worker.onmessage = function (e) {
if (e.data === "DONE") {
worker.terminate();
resolve();
}
};
});
});
});
});
add_task(async function test_shared_worker() {
await check_use_counter_worker("CONSOLE_LOG", "SHARED", async browser => {
await ContentTask.spawn(browser, {}, function () {
return new Promise(resolve => {
let worker = new content.SharedWorker(
"file_use_counter_shared_worker.js"
);
worker.port.onmessage = function (e) {
if (e.data === "DONE") {
resolve();
}
};
worker.port.postMessage("RUN");
});
});
});
});
add_task(async function test_shared_worker_microtask() {
await check_use_counter_worker("CONSOLE_LOG", "SHARED", async browser => {
await ContentTask.spawn(browser, {}, function () {
return new Promise(resolve => {
let worker = new content.SharedWorker(
"file_use_counter_shared_worker_microtask.js"
);
worker.port.onmessage = function (e) {
if (e.data === "DONE") {
resolve();
}
};
worker.port.postMessage("RUN");
});
});
});
});
add_task(async function test_service_worker() {
await check_use_counter_worker("CONSOLE_LOG", "SERVICE", async browser => {
await ContentTask.spawn(browser, {}, function () {
let waitForActivated = async function (registration) {
return new Promise(resolve => {
let worker =
registration.installing ||
registration.waiting ||
registration.active;
if (worker.state === "activated") {
resolve(worker);
return;
}
worker.addEventListener("statechange", function onStateChange() {
if (worker.state === "activated") {
worker.removeEventListener("statechange", onStateChange);
resolve(worker);
}
});
});
};
return new Promise(resolve => {
content.navigator.serviceWorker
.register("file_use_counter_service_worker.js")
.then(async registration => {
content.navigator.serviceWorker.onmessage = function (e) {
if (e.data === "DONE") {
registration.unregister().then(resolve);
}
};
let worker = await waitForActivated(registration);
worker.postMessage("RUN");
});
});
});
});
});
|
