browser_network_command_request_blocking.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test the NetworkCommand API around request blocking

add_task(async function () {

  info("Test NetworkCommand request blocking");

  const tab = await addTab("data:text/html,foo");

  const commands = await CommandsFactory.forTab(tab);

  const networkCommand = commands.networkCommand;

  const resourceCommand = commands.resourceCommand;

  // Usage of request blocking APIs requires to listen to NETWORK_EVENT.

  await resourceCommand.watchResources([resourceCommand.TYPES.NETWORK_EVENT], {

    onAvailable: () => {},

});

  let blockedUrls = await networkCommand.getBlockedUrls();

  Assert.deepEqual(

    blockedUrls,

[],

    "The list of blocked URLs is originaly empty"

);

  await networkCommand.blockRequestForUrl("https://foo.com");

  blockedUrls = await networkCommand.getBlockedUrls();

  Assert.deepEqual(

    blockedUrls,

    ["https://foo.com"],

    "The freshly added blocked URL is reported as blocked"

);

  // We pass "url filters" which can be only part of a URL string

  await networkCommand.blockRequestForUrl("bar");

  blockedUrls = await networkCommand.getBlockedUrls();

  Assert.deepEqual(

    blockedUrls,

    ["https://foo.com", "bar"],

    "The second blocked URL is also reported as blocked"

);

  await networkCommand.setBlockedUrls(["https://mozilla.org"]);

  blockedUrls = await networkCommand.getBlockedUrls();

  Assert.deepEqual(

    blockedUrls,

    ["https://mozilla.org"],

    "setBlockedUrls replace the whole list of blocked URLs"

);

  await networkCommand.unblockRequestForUrl("https://mozilla.org");

  blockedUrls = await networkCommand.getBlockedUrls();

  Assert.deepEqual(

    blockedUrls,

[],

    "The unblocked URL disappear from the list of blocked URLs"

);

  await commands.destroy();

});