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/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
const HISTOGRAM = "WEBEXT_BACKGROUND_PAGE_LOAD_MS";
const HISTOGRAM_KEYED = "WEBEXT_BACKGROUND_PAGE_LOAD_MS_BY_ADDONID";
add_task(async function test_telemetry() {
const { GleanTimingDistribution } = globalThis;
let extension1 = ExtensionTestUtils.loadExtension({
background() {
browser.test.sendMessage("loaded");
},
});
let extension2 = ExtensionTestUtils.loadExtension({
background() {
browser.test.sendMessage("loaded");
},
});
resetTelemetryData();
assertHistogramEmpty(HISTOGRAM);
assertKeyedHistogramEmpty(HISTOGRAM_KEYED);
assertGleanMetricsNoSamples({
metricId: "backgroundPageLoad",
gleanMetric: Glean.extensionsTiming.backgroundPageLoad,
gleanMetricConstructor: GleanTimingDistribution,
});
await extension1.startup();
await extension1.awaitMessage("loaded");
const processSnapshot = snapshot => {
return snapshot.sum > 0;
};
const processKeyedSnapshot = snapshot => {
let res = {};
for (let key of Object.keys(snapshot)) {
res[key] = snapshot[key].sum > 0;
}
return res;
};
assertHistogramSnapshot(
HISTOGRAM,
{ processSnapshot, expectedValue: true },
`Data recorded for first extension for histogram: ${HISTOGRAM}.`
);
assertHistogramSnapshot(
HISTOGRAM_KEYED,
{
keyed: true,
processSnapshot: processKeyedSnapshot,
expectedValue: {
[extension1.extension.id]: true,
},
},
`Data recorded for first extension for histogram ${HISTOGRAM_KEYED}`
);
assertGleanMetricsSamplesCount({
metricId: "backgroundPageLoad",
gleanMetric: Glean.extensionsTiming.backgroundPageLoad,
gleanMetricConstructor: GleanTimingDistribution,
expectedSamplesCount: 1,
});
let histogram = Services.telemetry.getHistogramById(HISTOGRAM);
let histogramKeyed =
Services.telemetry.getKeyedHistogramById(HISTOGRAM_KEYED);
let histogramSum = histogram.snapshot().sum;
let histogramSumExt1 = histogramKeyed.snapshot()[extension1.extension.id].sum;
await extension2.startup();
await extension2.awaitMessage("loaded");
assertHistogramSnapshot(
HISTOGRAM,
{
processSnapshot: snapshot => snapshot.sum > histogramSum,
expectedValue: true,
},
`Data recorded for second extension for histogram: ${HISTOGRAM}.`
);
assertHistogramSnapshot(
HISTOGRAM_KEYED,
{
keyed: true,
processSnapshot: processKeyedSnapshot,
expectedValue: {
[extension1.extension.id]: true,
[extension2.extension.id]: true,
},
},
`Data recorded for second extension for histogram ${HISTOGRAM_KEYED}`
);
equal(
histogramKeyed.snapshot()[extension1.extension.id].sum,
histogramSumExt1,
`Data recorder for first extension is unchanged on the keyed histogram ${HISTOGRAM_KEYED}`
);
assertGleanMetricsSamplesCount({
metricId: "backgroundPageLoad",
gleanMetric: Glean.extensionsTiming.backgroundPageLoad,
gleanMetricConstructor: GleanTimingDistribution,
expectedSamplesCount: 2,
});
await extension1.unload();
await extension2.unload();
});
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