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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
*/
const { TelemetryController } = ChromeUtils.importESModule(
"resource://gre/modules/TelemetryController.sys.mjs"
);
const { ContentTaskUtils } = ChromeUtils.importESModule(
"resource://testing-common/ContentTaskUtils.sys.mjs"
);
const UTILITY_ONLY_UINT_SCALAR = "telemetry.test.utility_only_uint";
const utilityProcessTest = () => {
return Cc["@mozilla.org/utility-process-test;1"].createInstance(
Ci.nsIUtilityProcessTest
);
};
/**
* This function waits until utility scalars are reported into the
* scalar snapshot.
*/
async function waitForUtilityScalars() {
await ContentTaskUtils.waitForCondition(() => {
const scalars = Telemetry.getSnapshotForScalars("main", false);
return Object.keys(scalars).includes("utility");
}, "Waiting for utility scalars to have been set");
}
async function waitForUtilityValue() {
await ContentTaskUtils.waitForCondition(() => {
return (
UTILITY_ONLY_UINT_SCALAR in
Telemetry.getSnapshotForScalars("main", false).utility
);
}, "Waiting for utility uint value");
}
add_setup(async function setup_telemetry_utility() {
info("Start a UtilityProcess");
await utilityProcessTest().startProcess();
do_get_profile(true);
await TelemetryController.testSetup();
});
add_task(async function test_scalars_in_utility_process() {
Telemetry.clearScalars();
await utilityProcessTest().testTelemetryProbes();
// Once scalars are set by the utility process, they don't immediately get
// sent to the parent process. Wait for the Telemetry IPC Timer to trigger
// and batch send the data back to the parent process.
await waitForUtilityScalars();
await waitForUtilityValue();
Assert.equal(
Telemetry.getSnapshotForScalars("main", false).utility[
UTILITY_ONLY_UINT_SCALAR
],
42,
`${UTILITY_ONLY_UINT_SCALAR} must have the correct value (utility process).`
);
});
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