fune/browser/components/backup/tests/xpcshell/test_BackupService_takeMeasurements.js

59 lines
1.7 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
add_setup(() => {
// FOG needs to be initialized in order for data to flow.
Services.fog.initializeFOG();
Services.telemetry.clearScalars();
});
/**
* Tests that calling `BackupService.takeMeasurements` will call the measure
* method of all registered BackupResource classes.
*/
add_task(async function test_takeMeasurements() {
let sandbox = sinon.createSandbox();
sandbox.stub(FakeBackupResource1.prototype, "measure").resolves();
sandbox
.stub(FakeBackupResource2.prototype, "measure")
.rejects(new Error("Some failure to measure"));
let bs = new BackupService({ FakeBackupResource1, FakeBackupResource2 });
await bs.takeMeasurements();
for (let backupResourceClass of [FakeBackupResource1, FakeBackupResource2]) {
Assert.ok(
backupResourceClass.prototype.measure.calledOnce,
"Measure was called"
);
Assert.ok(
backupResourceClass.prototype.measure.calledWith(PathUtils.profileDir),
"Measure was called with the profile directory argument"
);
}
sandbox.restore();
});
/**
* Tests that we can measure the disk space available in the profile directory.
*/
add_task(async function test_profDDiskSpace() {
let bs = new BackupService();
await bs.takeMeasurements();
let measurement = Glean.browserBackup.profDDiskSpace.testGetValue();
TelemetryTestUtils.assertScalar(
TelemetryTestUtils.getProcessScalars("parent", false, true),
"browser.backup.prof_d_disk_space",
measurement
);
Assert.greater(
measurement,
0,
"Should have collected a measurement for the profile directory storage " +
"device"
);
});