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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that the Shutdown Terminator reloads durations correctly
const HISTOGRAMS = {
"quit-application": "SHUTDOWN_PHASE_DURATION_TICKS_QUIT_APPLICATION",
"profile-change-net-teardown":
"SHUTDOWN_PHASE_DURATION_TICKS_PROFILE_CHANGE_NET_TEARDOWN",
"profile-change-teardown":
"SHUTDOWN_PHASE_DURATION_TICKS_PROFILE_CHANGE_TEARDOWN",
"profile-before-change":
"SHUTDOWN_PHASE_DURATION_TICKS_PROFILE_BEFORE_CHANGE",
"profile-before-change-qm":
"SHUTDOWN_PHASE_DURATION_TICKS_PROFILE_BEFORE_CHANGE_QM",
"xpcom-will-shutdown": "SHUTDOWN_PHASE_DURATION_TICKS_XPCOM_WILL_SHUTDOWN",
"xpcom-shutdown": "SHUTDOWN_PHASE_DURATION_TICKS_XPCOM_SHUTDOWN",
};
let PATH;
add_setup(async function init() {
do_get_profile();
PATH = PathUtils.join(PathUtils.localProfileDir, "ShutdownDuration.json");
});
add_task(async function test_reload() {
info("Forging data");
let data = {};
let telemetrySnapshots = Services.telemetry.getSnapshotForHistograms(
"main",
false /* clear */
).parent;
let i = 0;
for (let k of Object.keys(HISTOGRAMS)) {
let id = HISTOGRAMS[k];
data[k] = i++;
Assert.equal(
telemetrySnapshots[id] || undefined,
undefined,
"Histogram " + id + " is empty"
);
}
// Extra fields that nsTerminator reports that we do not have histograms for.
data["xpcom-shutdown-threads"] = 123;
data.XPCOMShutdownFinal = 456;
data.CCPostLastCycleCollection = 789;
await IOUtils.writeJSON(PATH, data);
const TOPIC = "shutdown-terminator-telemetry-updated";
let wait = new Promise(resolve =>
Services.obs.addObserver(function observer() {
info("Telemetry has been updated");
Services.obs.removeObserver(observer, TOPIC);
resolve();
}, TOPIC)
);
info("Starting nsTerminatorTelemetry");
let tt = Cc[
"@mozilla.org/toolkit/shutdown-terminator-telemetry;1"
].createInstance(Ci.nsIObserver);
tt.observe(null, "profile-after-change", "");
info("Waiting until telemetry is updated");
// Now wait until Telemetry is updated
await wait;
telemetrySnapshots = Services.telemetry.getSnapshotForHistograms(
"main",
false /* clear */
).parent;
for (let k of Object.keys(HISTOGRAMS)) {
let id = HISTOGRAMS[k];
info("Testing histogram " + id);
let snapshot = telemetrySnapshots[id];
let count = 0;
for (let x of Object.values(snapshot.values)) {
count += x;
}
Assert.equal(count, 1, "We have added one item");
}
});
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