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add_setup(async function () {
await SpecialPowers.pushPrefEnv({
set: [
["browser.tabs.remote.separatePrivilegedMozillaWebContentProcess", true],
["browser.tabs.remote.separatedMozillaDomains", "example.org"],
["dom.ipc.processCount.web", 1],
["dom.ipc.processCount.privilegedmozilla", 1],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
],
});
});
// This test attempts to verify proper placement of spawned remoteworkers
// by spawning them and then verifying that they were spawned in the expected
// process by way of nsIWorkerDebuggerManager enumeration.
//
// Unfortunately, there's no other way to introspect where a worker global was
// spawned at this time. (devtools just ends up enumerating all workers in all
// processes and we don't want to depend on devtools in this test).
//
// As a result, this test currently only tests situations where it's known that
// a remote worker will be spawned in the same process that is initiating its
// spawning.
//
// This should be enhanced in the future.
add_task(async function test_serviceworker() {
const basePath = "browser/dom/workers/test";
const pagePath = `${basePath}/file_service_worker_container.html`;
const scriptPath = `${basePath}/file_service_worker.js`;
Services.ppmm.releaseCachedProcesses();
async function runWorkerInProcess() {
function getActiveWorkerURLs() {
const wdm = Cc[
"@mozilla.org/dom/workers/workerdebuggermanager;1"
].getService(Ci.nsIWorkerDebuggerManager);
const workerDebuggerUrls = Array.from(
wdm.getWorkerDebuggerEnumerator()
).map(wd => {
return wd.url;
});
return workerDebuggerUrls;
}
return new Promise(resolve => {
content.navigator.serviceWorker.ready.then(({ active }) => {
const { port1, port2 } = new content.MessageChannel();
active.postMessage("webpage->serviceworker", [port2]);
port1.onmessage = evt => {
resolve({
msg: evt.data,
workerUrls: getActiveWorkerURLs(),
});
};
});
}).then(async res => {
// Unregister the service worker used in this test.
const registration = await content.navigator.serviceWorker.ready;
await registration.unregister();
return res;
});
}
const testCaseList = [
// TODO: find a reasonable way to test the non-privileged scenario
// (because more than 1 process is usually available and the worker
// can be launched in a different one from the one where the tab
// is running).
/*{
remoteType: "web",
hostname: "example.com",
},*/
{
remoteType: "privilegedmozilla",
hostname: `example.org`,
},
];
for (const testCase of testCaseList) {
const { remoteType, hostname } = testCase;
info(`Test remote serviceworkers launch selects a ${remoteType} process`);
const tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
url: `https://${hostname}/${pagePath}`,
});
is(
tab.linkedBrowser.remoteType,
remoteType,
`Got the expected remoteType for ${hostname} tab`
);
const results = await SpecialPowers.spawn(
tab.linkedBrowser,
[],
runWorkerInProcess
);
Assert.deepEqual(
results,
{
msg: "serviceworker-reply",
workerUrls: [`https://${hostname}/${scriptPath}`],
},
`Got the expected results for ${hostname} tab`
);
BrowserTestUtils.removeTab(tab);
}
});
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