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path: root/devtools/client/netmonitor/test/browser_net_telemetry_sidepanel_changed.js
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/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const ALL_CHANNELS = Ci.nsITelemetry.DATASET_ALL_CHANNELS;

/**
 * Test the sidepanel_changed telemetry event.
 */
add_task(async function () {
  const { monitor } = await initNetMonitor(HTTPS_SIMPLE_URL, {
    requestCount: 1,
  });
  info("Starting test... ");

  const { document, store, windowRequire } = monitor.panelWin;
  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");
  store.dispatch(Actions.batchEnable(false));

  // Remove all telemetry events (you can check about:telemetry).
  Services.telemetry.clearEvents();

  // Ensure no events have been logged
  const snapshot = Services.telemetry.snapshotEvents(ALL_CHANNELS, true);
  ok(!snapshot.parent, "No events have been logged for the main process");

  // Reload to have one request in the list.
  const waitForEvents = waitForNetworkEvents(monitor, 1);
  await navigateTo(HTTPS_SIMPLE_URL);
  await waitForEvents;

  // Click on a request and wait till the default "Headers" side panel is opened.
  info("Click on a request");
  const waitForHeaders = waitUntil(() =>
    document.querySelector(".headers-overview")
  );
  EventUtils.sendMouseEvent(
    { type: "mousedown" },
    document.querySelectorAll(".request-list-item")[0]
  );
  await waitForHeaders;
  await waitForRequestData(store, ["requestHeaders", "responseHeaders"]);

  // Click on the Cookies panel and wait till it's opened.
  info("Click on the Cookies panel");
  clickOnSidebarTab(document, "cookies");
  await waitForRequestData(store, ["requestCookies", "responseCookies"]);

  checkTelemetryEvent(
    {
      oldpanel: "headers",
      newpanel: "cookies",
    },
    {
      method: "sidepanel_changed",
    }
  );

  return teardown(monitor);
});