{title}

# This Source Code Form is subject to the terms of the Mozilla Public # License, v. 0.0. If a copy of the MPL was not distributed with this # file, You can obtain one at http://mozilla.org/MPL/0.0/. import os import sys # add this directory to the path sys.path.append(os.path.dirname(__file__)) from session_store_test_case import SessionStoreTestCase def inline(title): return f"data:text/html;charset=utf-8,{title}" class TestSessionRestoreSplitView(SessionStoreTestCase): """ Test the interactions between Session Restore and Split View. """ def setUp(self): super().setUp( startup_page=1, include_private=False, restore_on_demand=True, test_windows=set( [ ( inline("Tab 1"), inline("Tab 2"), inline("Tab 3"), ), ] ), ) def test_add_inactive_tabs_to_split_view(self): """ When we restart with some tabs, we defer loading and setting up those tabs until they become active. Ensure that adding these tabs to a split view triggers that. """ self.assertEqual( len(self.marionette.chrome_window_handles), 1, msg="Should have 1 window open.", ) # There are currently three tabs open. # Switch to the first one, and then restart. self.marionette.execute_script("gBrowser.selectTabAtIndex(0)") self.marionette.restart() self.marionette.set_context("chrome") # After restart: # Tab 1 is active. # Tab 2 & Tab 3 are inactive, and haven't been activated yet. self.assertEqual( self.marionette.execute_script("return gBrowser.tabs.length"), 3, msg="Should have 3 tabs open.", ) self.assertEqual( self.marionette.execute_script( "return gBrowser.tabContainer.selectedIndex" ), 0, msg="First tab should be selected.", ) # Create a split view with the inactive tabs (Tab 2 & Tab 3). # Select Tab 2 to activate the split view. # Wait for both tabs in the split view to finish restoring. self.marionette.execute_async_script( """ let [resolve] = arguments; gBrowser.addTabSplitView([gBrowser.tabs[1], gBrowser.tabs[2]]); let promiseTabsRestored = new Promise(resolve => { let tabsRemaining = 2; function handleTabRestored() { if (!--tabsRemaining) { gBrowser.tabContainer.removeEventListener( "SSTabRestored", handleTabRestored ); resolve(); } } gBrowser.tabContainer.addEventListener("SSTabRestored", handleTabRestored); }); gBrowser.selectTabAtIndex(1); promiseTabsRestored.then(resolve); """ )