# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import os.path import sys rangerpath = os.path.join(os.path.dirname(__file__), '..') if sys.path[1] != rangerpath: sys.path[1:1] = [rangerpath] from ranger.container import History from unittest import TestCase, main import unittest class Test(TestCase): def test_history(self): hist = History(3) for i in range(6): hist.add(i) self.assertEqual([3,4,5], list(hist)) hist.back() self.assertEqual(4, hist.current()) self.assertEqual([3,4], list(hist._left())) self.assertEqual(5, hist.top()) hist.back() self.assertEqual(3, hist.current()) self.assertEqual([3], list(hist._left())) # no change if current == bottom self.assertEqual(hist.current(), hist.bottom()) last = hist.current() hist.back() self.assertEqual(hist.current(), last) self.assertEqual(5, hist.top()) hist.forward() hist.forward() self.assertEqual(5, hist.current()) self.assertEqual([3,4,5], list(hist._left())) self.assertEqual(3, hist.bottom()) hist.add(6) self.assertEqual(4, hist.bottom()) self.assertEqual([4,5,6], list(hist._left())) hist.back() hist.fast_forward() self.assertEqual([4,5,6], list(hist._left())) hist.back() hist.back() hist.fast_forward() self.assertEqual([4,5,6], list(hist._left())) hist.back() hist.back() hist.back() hist.fast_forward() self.assertEqual([4,5,6], list(hist._left())) hist.back() hist.back() hist.back() hist.back() hist.fast_forward() self.assertEqual([4,5,6], list(hist._left())) if __name__ == '__main__': main()