[project @ Arch-1:robey@lag.net--2005-master-shake%paramiko--dev--1--patch-8]

add unit tests for the packetizer, and fix a little locking bug where i think more of the packetizer write function should be inside a lock

1 files changed, 70 insertions, 0 deletions

diff --git a/tests/test_packetizer.py b/tests/test_packetizer.py
new file mode 100644
index 00000000..8c992bd8
--- /dev/null
+++ b/tests/test_packetizer.py
@@ -0,0 +1,70 @@
+# Copyright (C) 2003-2005 Robey Pointer <robey@lag.net>
+#
+# 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 distrubuted 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 the ssh2 protocol in Transport.
+"""
+
+import unittest
+from loop import LoopSocket
+from Crypto.Cipher import AES
+from Crypto.Hash import SHA, HMAC
+from paramiko import Message, Packetizer, util
+
+class PacketizerTest (unittest.TestCase):
+
+    def test_1_write (self):
+        rsock = LoopSocket()
+        wsock = LoopSocket()
+        rsock.link(wsock)
+        p = Packetizer(wsock)
+        p.set_log(util.get_logger('paramiko.transport'))
+        p.set_hexdump(True)
+        cipher = AES.new('\x00' * 16, AES.MODE_CBC, '\x55' * 16)
+        p.set_outbound_cipher(cipher, 16, SHA, 12, '\x1f' * 20)
+
+        # message has to be at least 16 bytes long, so we'll have at least one
+        # block of data encrypted that contains zero random padding bytes
+        m = Message()
+        m.add_byte(chr(100))
+        m.add_int(100)
+        m.add_int(1)
+        m.add_int(900)
+        p.send_message(m)
+        data = rsock.recv(100)
+        # 32 + 12 bytes of MAC = 44
+        self.assertEquals(44, len(data))
+        self.assertEquals('\x43\x91\x97\xbd\x5b\x50\xac\x25\x87\xc2\xc4\x6b\xc7\xe9\x38\xc0', data[:16])
+    
+    def test_2_read (self):
+        rsock = LoopSocket()
+        wsock = LoopSocket()
+        rsock.link(wsock)
+        p = Packetizer(rsock)
+        p.set_log(util.get_logger('paramiko.transport'))
+        p.set_hexdump(True)
+        cipher = AES.new('\x00' * 16, AES.MODE_CBC, '\x55' * 16)
+        p.set_inbound_cipher(cipher, 16, SHA, 12, '\x1f' * 20)
+        
+        wsock.send('C\x91\x97\xbd[P\xac%\x87\xc2\xc4k\xc7\xe98\xc0' + \
+                   '\x90\xd2\x16V\rqsa8|L=\xfb\x97}\xe2n\x03\xb1\xa0\xc2\x1c\xd6AAL\xb4Y')
+        cmd, m = p.read_message()
+        self.assertEquals(100, cmd)
+        self.assertEquals(100, m.get_int())
+        self.assertEquals(1, m.get_int())
+        self.assertEquals(900, m.get_int())