browser_webconsole_clear_cache.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// Check that clearing the output also clears the console cache.

"use strict";

const TEST_URI =

  "data:text/html;charset=utf8,<!DOCTYPE html>Test clear cache<script>abcdef</script>";

const EXPECTED_REPORT = "ReferenceError: abcdef is not defined";

add_task(async function () {

  const tab = await addTab(TEST_URI);

  let hud = await openConsole(tab);

  const CACHED_MESSAGE = "CACHED_MESSAGE";

  await logTextToConsole(hud, CACHED_MESSAGE);

  info("Close and re-open the console");

  await closeToolbox();

  hud = await openConsole(tab);

  await waitFor(() => findErrorMessage(hud, EXPECTED_REPORT));

  await waitFor(() => findConsoleAPIMessage(hud, CACHED_MESSAGE));

  info(

    "Click the clear output button and wait until there's no messages in the output"

);

  let onMessagesCacheCleared = hud.ui.once("messages-cache-cleared");

  hud.ui.window.document.querySelector(".devtools-clear-icon").click();

  await onMessagesCacheCleared;

  info("Close and re-open the console");

  await closeToolbox();

  hud = await openConsole(tab);

  info("Log a smoke message in order to know that the console is ready");

  await logTextToConsole(hud, "Smoke message");

is(

    findConsoleAPIMessage(hud, CACHED_MESSAGE),

    undefined,

    "The cached message is not visible anymore"

);

is(

    findErrorMessage(hud, EXPECTED_REPORT),

    undefined,

    "The cached error message is not visible anymore as well"

);

  // Test that we also clear the cache when calling console.clear().

  const NEW_CACHED_MESSAGE = "NEW_CACHED_MESSAGE";

  await logTextToConsole(hud, NEW_CACHED_MESSAGE);

  info("Send a console.clear() from the content page");

  onMessagesCacheCleared = hud.ui.once("messages-cache-cleared");

  const onConsoleCleared = waitForMessageByType(

    hud,

    "Console was cleared",

    ".console-api"

);

  SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {

    content.wrappedJSObject.console.clear();

});

  await Promise.all([onConsoleCleared, onMessagesCacheCleared]);

  info("Close and re-open the console");

  await closeToolbox();

  hud = await openConsole(tab);

  info("Log a smoke message in order to know that the console is ready");

  await logTextToConsole(hud, "Second smoke message");

is(

    findConsoleAPIMessage(hud, NEW_CACHED_MESSAGE),

    undefined,

    "The new cached message is not visible anymore"

);

});

add_task(async function consoleClearPersist() {

  // persist logs

  await pushPref("devtools.webconsole.persistlog", true);

  const tab = await addTab(TEST_URI);

  let hud = await openConsole(tab);

  // Test that we also clear the cache when calling console.clear().

  const CACHED_MESSAGE = "CACHED_MESSAGE_PERSIST";

  await logTextToConsole(hud, CACHED_MESSAGE);

  info("Send a console.clear() from the content page");

  const onConsoleClearPrevented = waitForMessageByType(

    hud,

    "console.clear() was prevented",

    ".console-api"

);

  SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {

    content.wrappedJSObject.console.clear();

});

  await onConsoleClearPrevented;

  info("Close and re-open the console");

  await closeToolbox();

  hud = await openConsole(tab);

  info("Log a smoke message in order to know that the console is ready");

  await logTextToConsole(hud, "smoke message for persist");

is(

    findConsoleAPIMessage(hud, CACHED_MESSAGE),

    undefined,

    "The cached message is not visible anymore"

);

});

function logTextToConsole(hud, text) {

  const onMessage = waitForMessageByType(hud, text, ".console-api");

  SpecialPowers.spawn(gBrowser.selectedBrowser, [text], function (str) {

    content.wrappedJSObject.console.log(str);

});

  return onMessage;