1 files changed, 155 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_change_app_handler.js b/browser/components/preferences/tests/browser_change_app_handler.js
new file mode 100644
index 0000000000..050c4a444b
--- /dev/null
+++ b/browser/components/preferences/tests/browser_change_app_handler.js
@@ -0,0 +1,155 @@
+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,
+    0
+  );
+  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,
+    0
+  );
+  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);
+});