test_ext_audio_mozextension.js

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"use strict";

const { ExtensionTestCommon } = ChromeUtils.importESModule(

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

);

const { AddonManager } = ChromeUtils.importESModule(

  "resource://gre/modules/AddonManager.sys.mjs"

);

AddonTestUtils.init(this);

add_setup(async () => {

  await ExtensionTestUtils.startAddonManager();

});

// Verifies that audio can successfully be loaded. For details on reproduction

// and logs, see: https://bugzilla.mozilla.org/show_bug.cgi?id=1727383#c19

add_task(async function test_audio_from_unpacked_moz_extension() {

  let files = ExtensionTestCommon.generateFiles({

    files: {

      "test.mp3": (await IOUtils.read(do_get_file("data/test.mp3").path))

        .buffer,

},

    manifest: {

      browser_specific_settings: { gecko: { id: "test@ext" } },

},

    async background() {

      await new Promise(resolve => {

        const mozExtensionUrl = browser.runtime.getURL("test.mp3");

        browser.test.log(`Loading Audio: ${mozExtensionUrl}`);

        let audio = new Audio(mozExtensionUrl);

        audio.onloadedmetadata = resolve;

});

      browser.test.sendMessage("done");

},

});

  const unpackedPath = await IOUtils.createUniqueDirectory(

    AddonTestUtils.tempDir.path,

    "unpacked-extension"

);

  const dir = await AddonTestUtils.promiseWriteFilesToDir(unpackedPath, files);

  const extension = ExtensionTestUtils.expectExtension("test@ext");

  await AddonManager.installTemporaryAddon(dir);

  await extension.awaitStartup();

  await extension.awaitMessage("done");

  await extension.unload();

  await IOUtils.remove(unpackedPath, { recursive: true });

});