browser_page_load_event_telemetry.js

Enable keyboard shortcuts

"use strict";

const { TelemetryTestUtils } = ChromeUtils.importESModule(

  "resource://testing-common/TelemetryTestUtils.sys.mjs"

);

const ALL_CHANNELS = Ci.nsITelemetry.DATASET_ALL_CHANNELS;

add_task(async function () {

  if (Services.prefs.getBoolPref("telemetry.fog.artifact_build", false)) {

    Assert.ok(true, "Test skipped in artifact builds. See bug 1836686.");

    return;

  let tab = await BrowserTestUtils.openNewForegroundTab({

    gBrowser,

    waitForLoad: true,

});

  let browser = tab.linkedBrowser;

  // Reset event counts.

  Services.telemetry.clearEvents();

  TelemetryTestUtils.assertNumberOfEvents(0);

  // Add checks for pageload ping and pageload event

  let pingSubmitted = false;

  GleanPings.pageload.testBeforeNextSubmit(reason => {

    pingSubmitted = true;

    Assert.equal(reason, "threshold");

    let record = Glean.perf.pageLoad.testGetValue();

    Assert.greaterOrEqual(

      record.length,

30,

      "Should have at least 30 page load events"

);

});

  // Perform page load 30 times to trigger the ping being sent

  for (let i = 0; i < 30; i++) {

    BrowserTestUtils.startLoadingURIString(browser, "https://example.com");

    await BrowserTestUtils.browserLoaded(browser);

  await BrowserTestUtils.waitForCondition(

    () => pingSubmitted,

    "Page load ping should have been submitted."

);

  BrowserTestUtils.removeTab(tab);

});