browser_local_files_no_save_without_asking.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

/**

 * Check that loading a local PDF file

 * prompts the user when pdfjs.disabled is set to true,

 * and alwaysAsk is false;

*/

add_task(

  async function test_check_browser_local_files_no_save_without_asking() {

    // Get a ref to the pdf we want to open.

    let file = getChromeDir(getResolvedURI(gTestPath));

    file.append("file_pdf_binary_octet_stream.pdf");

    await SpecialPowers.pushPrefEnv({ set: [["pdfjs.disabled", true]] });

    const mimeSvc = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);

    const handlerSvc = Cc[

      "@mozilla.org/uriloader/handler-service;1"

    ].getService(Ci.nsIHandlerService);

    const mimeInfo = mimeSvc.getFromTypeAndExtension("application/pdf", "pdf");

    // This test covers a bug that only occurs when the mimeInfo is set to Always Ask = false

    // Here we check if we ask the user what to do for local files, if the file is set to save to disk automatically;

    // that is, we check that we prompt the user despite the user's preference.

    mimeInfo.preferredAction = mimeInfo.saveToDisk;

    mimeInfo.alwaysAskBeforeHandling = false;

    handlerSvc.store(mimeInfo);

    info("Testing with " + file.path);

    let publicList = await Downloads.getList(Downloads.PUBLIC);

    registerCleanupFunction(async () => {

      await publicList.removeFinished();

});

    let publicDownloads = await publicList.getAll();

is(

      publicDownloads.length,

0,

      "download should not appear in publicDownloads list"

);

    let dialogWindowPromise = BrowserTestUtils.domWindowOpenedAndLoaded();

    var loadingTab = BrowserTestUtils.addTab(gBrowser, file.path);

    let dialogWindow = await dialogWindowPromise;

is(

      dialogWindow.location.href,

      "chrome://mozapps/content/downloads/unknownContentType.xhtml",

      "Should have seen the unknown content dialogWindow."

);

    let doc = dialogWindow.document;

    let dialog = doc.querySelector("#unknownContentType");

    dialog.cancelDialog();

    BrowserTestUtils.removeTab(loadingTab);

);