# Copyright (C) 2006-2007 Robey Pointer <robeypointer@gmail.com> # # This file is part of paramiko. # # Paramiko is free software; you can redistribute it and/or modify it under the # terms of the GNU Lesser General Public License as published by the Free # Software Foundation; either version 2.1 of the License, or (at your option) # any later version. # # Paramiko 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 Lesser General Public License for more # details. # # You should have received a copy of the GNU Lesser General Public License # along with Paramiko; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. """ Some unit tests for BufferedPipe. """ import threading import time from paramiko.buffered_pipe import BufferedPipe, PipeTimeout from paramiko import pipe from tests.util import ParamikoTest def delay_thread(p): p.feed('a') time.sleep(0.5) p.feed('b') p.close() def close_thread(p): time.sleep(0.2) p.close() class BufferedPipeTest(ParamikoTest): def test_1_buffered_pipe(self): p = BufferedPipe() self.assertTrue(not p.read_ready()) p.feed('hello.') self.assertTrue(p.read_ready()) data = p.read(6) self.assertEqual(b'hello.', data) p.feed('plus/minus') self.assertEqual(b'plu', p.read(3)) self.assertEqual(b's/m', p.read(3)) self.assertEqual(b'inus', p.read(4)) p.close() self.assertTrue(not p.read_ready()) self.assertEqual(b'', p.read(1)) def test_2_delay(self): p = BufferedPipe() self.assertTrue(not p.read_ready()) threading.Thread(target=delay_thread, args=(p,)).start() self.assertEqual(b'a', p.read(1, 0.1)) try: p.read(1, 0.1) self.assertTrue(False) except PipeTimeout: pass self.assertEqual(b'b', p.read(1, 1.0)) self.assertEqual(b'', p.read(1)) def test_3_close_while_reading(self): p = BufferedPipe() threading.Thread(target=close_thread, args=(p,)).start() data = p.read(1, 1.0) self.assertEqual(b'', data) def test_4_or_pipe(self): p = pipe.make_pipe() p1, p2 = pipe.make_or_pipe(p) self.assertFalse(p._set) p1.set() self.assertTrue(p._set) p2.set() self.assertTrue(p._set) p1.clear() self.assertTrue(p._set) p2.clear() self.assertFalse(p._set)