/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";

/**
 * Tests that the overview graphs do not render when realtime rendering is off
 * due to lack of e10s.
 */

const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
const {
  UI_ENABLE_MEMORY_PREF,
} = require("devtools/client/performance/test/helpers/prefs");
const {
  initPerformanceInNewTab,
  teardownToolboxAndRemoveTab,
} = require("devtools/client/performance/test/helpers/panel-utils");
const {
  startRecording,
  stopRecording,
} = require("devtools/client/performance/test/helpers/actions");
const {
  waitUntil,
} = require("devtools/client/performance/test/helpers/wait-utils");
const {
  isVisible,
} = require("devtools/client/performance/test/helpers/dom-utils");
const {
  setSelectedRecording,
} = require("devtools/client/performance/test/helpers/recording-utils");

add_task(async function() {
  const { panel } = await initPerformanceInNewTab({
    url: SIMPLE_URL,
    win: window,
  });

  const { $, EVENTS, PerformanceController, OverviewView } = panel.panelWin;

  // Enable memory to test.
  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);

  // Set realtime rendering off.
  OverviewView.isRealtimeRenderingEnabled = () => false;

  let updated = 0;
  OverviewView.on(EVENTS.UI_OVERVIEW_RENDERED, () => updated++);

  await startRecording(panel, { skipWaitingForOverview: true });

  is(isVisible($("#overview-pane")), false, "Overview graphs hidden.");
  is(updated, 0, "Overview graphs have not been updated");

  await waitUntil(
    () => PerformanceController.getCurrentRecording().getMarkers().length
  );
  await waitUntil(
    () => PerformanceController.getCurrentRecording().getMemory().length
  );
  await waitUntil(
    () => PerformanceController.getCurrentRecording().getTicks().length
  );
  is(isVisible($("#overview-pane")), false, "Overview graphs still hidden.");
  is(updated, 0, "Overview graphs have still not been updated");

  await stopRecording(panel);

  is(isVisible($("#overview-pane")), true, "Overview graphs no longer hidden.");
  is(updated, 1, "Overview graphs rendered upon completion.");

  await startRecording(panel, { skipWaitingForOverview: true });

  is(
    isVisible($("#overview-pane")),
    false,
    "Overview graphs hidden again when starting new recording."
  );
  is(updated, 1, "Overview graphs have not been updated again.");

  setSelectedRecording(panel, 0);
  is(
    isVisible($("#overview-pane")),
    true,
    "Overview graphs no longer hidden when switching back to complete recording."
  );
  is(updated, 1, "Overview graphs have not been updated again.");

  setSelectedRecording(panel, 1);
  is(
    isVisible($("#overview-pane")),
    false,
    "Overview graphs hidden again when going back to inprogress recording."
  );
  is(updated, 1, "Overview graphs have not been updated again.");

  await stopRecording(panel);

  is(
    isVisible($("#overview-pane")),
    true,
    "overview graphs no longer hidden when recording finishes"
  );
  is(updated, 2, "Overview graphs rendered again upon completion.");

  await teardownToolboxAndRemoveTab(panel);
});
