browser_change_app_handler.js

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This test gets skipped with pattern: os == 'linux' && os_version == '18.04' && asan OR os == 'linux' && os_version == '18.04' && tsan OR win11_2009 && asan
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Manifest: browser/components/preferences/tests/browser.toml

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

var gHandlerSvc = Cc["@mozilla.org/uriloader/handler-service;1"].getService(

  Ci.nsIHandlerService

);

SimpleTest.requestCompleteLog();

function setupFakeHandler() {

  let info = gMimeSvc.getFromTypeAndExtension("text/plain", "foo.txt");

ok(

    info.possibleLocalHandlers.length,

    "Should have at least one known handler"

);

  let handler = info.possibleLocalHandlers.queryElementAt(

0,

    Ci.nsILocalHandlerApp

);

  let infoToModify = gMimeSvc.getFromTypeAndExtension(

    "text/x-test-handler",

    null

);

  infoToModify.possibleApplicationHandlers.appendElement(handler);

  gHandlerSvc.store(infoToModify);

add_task(async function () {

  setupFakeHandler();

  let prefs = await openPreferencesViaOpenPreferencesAPI("paneGeneral", {

    leaveOpen: true,

});

  is(prefs.selectedPane, "paneGeneral", "General pane was selected");

  let win = gBrowser.selectedBrowser.contentWindow;

  let container = win.document.getElementById("handlersView");

  let ourItem = container.querySelector(

    "richlistitem[type='text/x-test-handler']"

);

  ok(ourItem, "handlersView is present");

  ourItem.scrollIntoView();

  container.selectItem(ourItem);

  ok(ourItem.selected, "Should be able to select our item.");

  let list = ourItem.querySelector(".actionsMenu");

  let chooseItem = list.menupopup.querySelector(".choose-app-item");

  let dialogLoadedPromise = promiseLoadSubDialog(

    "chrome://global/content/appPicker.xhtml"

);

  let cmdEvent = win.document.createEvent("xulcommandevent");

  cmdEvent.initCommandEvent(

    "command",

    true,

    true,

    win,

0,

    false,

    false,

    false,

    false,

0,

    null,

);

  chooseItem.dispatchEvent(cmdEvent);

  let dialog = await dialogLoadedPromise;

  info("Dialog loaded");

  let dialogDoc = dialog.document;

  let dialogElement = dialogDoc.getElementById("app-picker");

  let dialogList = dialogDoc.getElementById("app-picker-listbox");

  dialogList.selectItem(dialogList.firstElementChild);

  let selectedApp = dialogList.firstElementChild.handlerApp;

  dialogElement.acceptDialog();

  // Verify results are correct in mime service:

  let mimeInfo = gMimeSvc.getFromTypeAndExtension("text/x-test-handler", null);

ok(

    mimeInfo.preferredApplicationHandler.equals(selectedApp),

    "App should be set as preferred."

);

  // Check that we display this result:

  ok(list.selectedItem, "Should have a selected item");

ok(

    mimeInfo.preferredApplicationHandler.equals(list.selectedItem.handlerApp),

    "App should be visible as preferred item."

);

  // Now try to 'manage' this list:

  dialogLoadedPromise = promiseLoadSubDialog(

    "chrome://browser/content/preferences/dialogs/applicationManager.xhtml"

);

  let manageItem = list.menupopup.querySelector(".manage-app-item");

  cmdEvent = win.document.createEvent("xulcommandevent");

  cmdEvent.initCommandEvent(

    "command",

    true,

    true,

    win,

0,

    false,

    false,

    false,

    false,

0,

    null,

);

  manageItem.dispatchEvent(cmdEvent);

  dialog = await dialogLoadedPromise;

  info("Dialog loaded the second time");

  dialogDoc = dialog.document;

  dialogElement = dialogDoc.getElementById("appManager");

  dialogList = dialogDoc.getElementById("appList");

  let itemToRemove = dialogList.querySelector(

    'richlistitem > label[value="' + selectedApp.name + '"]'

  ).parentNode;

  dialogList.selectItem(itemToRemove);

  let itemsBefore = dialogList.children.length;

  dialogDoc.getElementById("remove").click();

  ok(!itemToRemove.parentNode, "Item got removed from DOM");

  is(dialogList.children.length, itemsBefore - 1, "Item got removed");

  dialogElement.acceptDialog();

  // Verify results are correct in mime service:

  mimeInfo = gMimeSvc.getFromTypeAndExtension("text/x-test-handler", null);

ok(

    !mimeInfo.preferredApplicationHandler,

    "App should no longer be set as preferred."

);

  // Check that we display this result:

  ok(list.selectedItem, "Should have a selected item");

ok(

    !list.selectedItem.handlerApp,

    "No app should be visible as preferred item."

);

  BrowserTestUtils.removeTab(gBrowser.selectedTab);

});

registerCleanupFunction(function () {

  let infoToModify = gMimeSvc.getFromTypeAndExtension(

    "text/x-test-handler",

    null

);

  gHandlerSvc.remove(infoToModify);

});