gecko-dev/devtools/client/performance/test/browser_perf-telemetry-03.js

58 строки
1.8 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* Tests that the performance telemetry module records events at appropriate times.
* Specifically the destruction of certain views.
*/
const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
const { startRecording, stopRecording } = require("devtools/client/performance/test/helpers/actions");
const { once } = require("devtools/client/performance/test/helpers/event-utils");
add_task(async function() {
startTelemetry();
const { panel } = await initPerformanceInNewTab({
url: SIMPLE_URL,
win: window,
});
const {
EVENTS,
DetailsView,
JsCallTreeView,
JsFlameGraphView,
} = panel.panelWin;
await startRecording(panel);
await stopRecording(panel);
const calltreeRendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
const flamegraphRendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
// Go through some views to check later.
await DetailsView.selectView("js-calltree");
await calltreeRendered;
await DetailsView.selectView("js-flamegraph");
await flamegraphRendered;
await teardownToolboxAndRemoveTab(panel);
checkResults();
});
function checkResults() {
// For help generating these tests use generateTelemetryTests("DEVTOOLS_PERFTOOLS_")
// here.
checkTelemetry(
"DEVTOOLS_PERFTOOLS_SELECTED_VIEW_MS", "js-calltree", null, "hasentries");
checkTelemetry(
"DEVTOOLS_PERFTOOLS_SELECTED_VIEW_MS", "js-flamegraph", null, "hasentries");
checkTelemetry(
"DEVTOOLS_PERFTOOLS_SELECTED_VIEW_MS", "waterfall", null, "hasentries");
}