diff options
Diffstat (limited to 'toolkit/components/extensions/test/xpcshell/test_ext_extension_startup_telemetry.js')
-rw-r--r-- | toolkit/components/extensions/test/xpcshell/test_ext_extension_startup_telemetry.js | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_extension_startup_telemetry.js b/toolkit/components/extensions/test/xpcshell/test_ext_extension_startup_telemetry.js new file mode 100644 index 0000000000..b65c772174 --- /dev/null +++ b/toolkit/components/extensions/test/xpcshell/test_ext_extension_startup_telemetry.js @@ -0,0 +1,87 @@ +/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* vim: set sts=2 sw=2 et tw=80: */ +"use strict"; + +const HISTOGRAM = "WEBEXT_EXTENSION_STARTUP_MS"; +const HISTOGRAM_KEYED = "WEBEXT_EXTENSION_STARTUP_MS_BY_ADDONID"; + +function processSnapshot(snapshot) { + return snapshot.sum > 0; +} + +function processKeyedSnapshot(snapshot) { + let res = {}; + for (let key of Object.keys(snapshot)) { + res[key] = snapshot[key].sum > 0; + } + return res; +} + +add_task(async function test_telemetry() { + let extension1 = ExtensionTestUtils.loadExtension({}); + let extension2 = ExtensionTestUtils.loadExtension({}); + + clearHistograms(); + + assertHistogramEmpty(HISTOGRAM); + assertKeyedHistogramEmpty(HISTOGRAM_KEYED); + + await extension1.startup(); + + 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}` + ); + + 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(); + + 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}` + ); + + await extension1.unload(); + await extension2.unload(); +}); |