browser_aboutDialog_AppUpdater_stop_downloading.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test that while a download is in-progress, calling `AppUpdater.stop()` during

// the downloading state causes the interface to return to the `NEVER_CHECKED`

// state.

// This is less a test of the About dialog than of AppUpdater, but it's easier

// to test it via the About dialog just because there is already a testing

// framework for the About dialog.

add_task(async function aboutDialog_AppUpdater_stop_downloading() {

  // Since the partial should be successful specify an invalid size for the

  // complete update.

  let params = {

    queryString: "&useSlowDownloadMar=1&invalidCompleteSize=1",

    backgroundUpdate: true,

    waitForUpdateState: STATE_DOWNLOADING,

};

  await runAboutDialogUpdateTest(params, [

      panelId: "downloading",

      checkActiveUpdate: { state: STATE_DOWNLOADING },

      // Omit continue file to keep the UI in the downloading state.

},

    aboutDialog => {

      aboutDialog.gAppUpdater._appUpdater.stop();

},

      panelId: "checkForUpdates",

      // The update will still be in the downloading state even though

      // AppUpdater has stopped because stopping AppUpdater doesn't stop the

      // Application Update Service from continuing with the update.

      checkActiveUpdate: { state: STATE_DOWNLOADING },

      expectedStateOverride: Ci.nsIApplicationUpdateService.STATE_DOWNLOADING,

},

]);

  // Ideally this would go in a cleanup function. But this needs to happen

  // before any other cleanup functions and for some reason cleanup functions

  // do not always seem to execute in reverse registration order.

  dump("Cleanup: Waiting for downloading to finish.\n");

  await continueFileHandler(CONTINUE_DOWNLOAD);

  if (gAUS.currentState == Ci.nsIApplicationUpdateService.STATE_DOWNLOADING) {

    await gAUS.stateTransition;

});