browser_net_telemetry_select_ws_frame.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**

 * Tests the select_ws_frame telemetry event.

*/

const { TelemetryTestUtils } = ChromeUtils.importESModule(

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

);

add_task(async function () {

  const { tab, monitor } = await initNetMonitor(WS_PAGE_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));

  // Clear all events.

  Services.telemetry.clearEvents();

  // Ensure no events have been logged.

  TelemetryTestUtils.assertNumberOfEvents(0);

  // Wait for WS connection to be established + send messages.

  const onNetworkEvents = waitForNetworkEvents(monitor, 1);

  await SpecialPowers.spawn(tab.linkedBrowser, [], async () => {

    await content.wrappedJSObject.openConnection(1);

});

  await onNetworkEvents;

  const requests = document.querySelectorAll(".request-list-item");

  is(requests.length, 1, "There should be one request");

  // Select the request to open the side panel.

  EventUtils.sendMouseEvent({ type: "mousedown" }, requests[0]);

  // Wait for all sent/received messages to be displayed in DevTools.

  const wait = waitForDOM(

    document,

    "#messages-view .message-list-table .message-list-item",

);

  // Click on the "Response" panel.

  clickOnSidebarTab(document, "response");

  await wait;

  // Get all messages present in the "Response" panel.

  const frames = document.querySelectorAll(

    "#messages-view .message-list-table .message-list-item"

);

  // Check expected results.

  is(frames.length, 2, "There should be two frames");

  // Wait for tick, so the `mousedown` event works.

  await waitForTick();

  // Wait for the payload to be resolved (LongString)

  const payloadResolved = monitor.panelWin.api.once(

    TEST_EVENTS.LONGSTRING_RESOLVED

);

  // Select frame

  EventUtils.sendMouseEvent({ type: "mousedown" }, frames[0]);

  await payloadResolved;

  // Verify existence of the telemetry event.

  checkTelemetryEvent(

{},

      method: "select_ws_frame",

);

  return teardown(monitor);

});