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Viewing changes to bzrlib/selftest/testsftp.py

  • Committer: aaron.bentley at utoronto
  • Date: 2005-08-05 02:53:57 UTC
  • mto: (1092.1.41) (1185.3.4) (974.1.47)
  • mto: This revision was merged to the branch mainline in revision 1110.
  • Revision ID: aaron.bentley@utoronto.ca-20050805025357-9d90b2e4c066eb4b
Switched from text-id to hashcache for merge optimization

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bzrlib/selftest/testsftp.py
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# Copyright (C) 2005 Robey Pointer <robey@lag.net>, Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
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import socket
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import threading
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import unittest
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from bzrlib.selftest import TestCaseInTempDir
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from bzrlib.selftest.testtransport import TestTransportMixIn
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try:
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    import paramiko
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    from stub_sftp import StubServer, StubSFTPServer
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    paramiko_loaded = True
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except ImportError:
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    paramiko_loaded = False
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STUB_SERVER_KEY = """
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-----BEGIN RSA PRIVATE KEY-----
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MIICWgIBAAKBgQDTj1bqB4WmayWNPB+8jVSYpZYk80Ujvj680pOTh2bORBjbIAyz
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oWGW+GUjzKxTiiPvVmxFgx5wdsFvF03v34lEVVhMpouqPAYQ15N37K/ir5XY+9m/
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d8ufMCkjeXsQkKqFbAlQcnWMCRnOoPHS3I4vi6hmnDDeeYTSRvfLbW0fhwIBIwKB
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gBIiOqZYaoqbeD9OS9z2K9KR2atlTxGxOJPXiP4ESqP3NVScWNwyZ3NXHpyrJLa0
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EbVtzsQhLn6rF+TzXnOlcipFvjsem3iYzCpuChfGQ6SovTcOjHV9z+hnpXvQ/fon
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soVRZY65wKnF7IAoUwTmJS9opqgrN6kRgCd3DASAMd1bAkEA96SBVWFt/fJBNJ9H
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H0CoFYSgbddOT6miqRskOQF3DZVkJT3kyuBgU2zKygz52ukQZMqxCb1fAkASvuTv
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qfpH87Qq5kQhNKdbbwbmd2NxlNabazPijWuphGTdW0VfJdWfklyS2Kr+iqrs/5wV
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HhathJt636Eg7oIjAkA8ht3MQ+XSl9yIJIS8gVpbPxSw5OMfw0PjVE7tBdQruiSc
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nvuQES5C9BMHjF39LZiGH1iLQy7FgdHyoP+eodI7
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-----END RSA PRIVATE KEY-----
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"""
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class SingleListener (threading.Thread):
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    def __init__(self, callback):
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        threading.Thread.__init__(self)
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        self._callback = callback
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        self._socket = socket.socket()
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        self._socket.listen(1)
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        self.port = self._socket.getsockname()[1]
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        self.stop_event = threading.Event()
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    def run(self):
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        s, _ = self._socket.accept()
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        # now close the listen socket
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        self._socket.close()
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        self._callback(s, self.stop_event)
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    def stop(self):
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        self.stop_event.set()
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class TestCaseWithSFTPServer (TestCaseInTempDir):
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    """
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    Execute a test case with a stub SFTP server, serving files from the local
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    filesystem over the loopback network.
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    """
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    def _run_server(self, s, stop_event):
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        ssh_server = paramiko.Transport(s)
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        key_file = os.path.join(self._root, 'test_rsa.key')
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        file(key_file, 'w').write(STUB_SERVER_KEY)
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        host_key = paramiko.RSAKey.from_private_key_file(key_file)
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        ssh_server.add_server_key(host_key)
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        server = StubServer()
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        ssh_server.set_subsystem_handler('sftp', paramiko.SFTPServer, StubSFTPServer, root=self._root)
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        event = threading.Event()
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        ssh_server.start_server(event, server)
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        event.wait(5.0)
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        stop_event.wait(30.0)
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    def setUp(self):
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        TestCaseInTempDir.setUp(self)
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        self._root = self.test_dir
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        self._listener = SingleListener(self._run_server)
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        self._listener.setDaemon(True)
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        self._listener.start()        
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        self._sftp_url = 'sftp://foo:bar@localhost:%d/' % (self._listener.port,)
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    def tearDown(self):
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        self._listener.stop()
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        TestCaseInTempDir.tearDown(self)
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class SFTPTransportTest (TestCaseWithSFTPServer, TestTransportMixIn):
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    readonly = False
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    def get_transport(self):
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        from bzrlib.transport.sftp import SFTPTransport
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        url = self._sftp_url
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        return SFTPTransport(url)
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if not paramiko_loaded:
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    del SFTPTransportTest