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