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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-01-20 18:55:04 UTC
  • mfrom: (4971.2.2 505762)
  • Revision ID: pqm@pqm.ubuntu.com-20100120185504-es1x5ntwauunwxvp
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bzrlib/tests/transport_util.py
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# Copyright (C) 2007-2010 Canonical Ltd
 
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# Copyright (C) 2007, 2009 Canonical Ltd
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#
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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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import bzrlib.hooks
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from bzrlib import transport
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from bzrlib.tests import features
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# SFTPTransport offers better performances but relies on paramiko, if paramiko
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from bzrlib.transport import (
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    ConnectedTransport,
 
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    get_transport,
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    register_transport,
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    register_urlparse_netloc_protocol,
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    unregister_transport,
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    """Dict-mapping hook name to a list of callables for transport hooks"""
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    def __init__(self):
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        super(TransportHooks, self).__init__("bzrlib.tests.transport_util",
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            "InstrumentedTransport.hooks")
 
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        super(TransportHooks, self).__init__()
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        # Invoked when the transport has just created a new connection.
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        # The api signature is (transport, connection, credentials)
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        self['_set_connection'] = []
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    def setUp(self):
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        register_urlparse_netloc_protocol(_hooked_scheme)
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        register_transport(_hooked_scheme, ConnectionHookedTransport)
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        self.addCleanup(unregister_transport, _hooked_scheme,
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                        ConnectionHookedTransport)
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        self.addCleanup(_unregister_urlparse_netloc_protocol, _hooked_scheme)
 
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        def unregister():
 
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            unregister_transport(_hooked_scheme, ConnectionHookedTransport)
 
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            _unregister_urlparse_netloc_protocol(_hooked_scheme)
 
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        self.addCleanup(unregister)
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        super(TestCaseWithConnectionHookedTransport, self).setUp()
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        self.reset_connections()
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        # Add the 'hooked' url to the permitted url list.
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        # standard test support code will work and permit the server url
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        # correctly.
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        url = self.get_url()
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        t = transport.get_transport(url)
 
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        t = get_transport(url)
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        if t.base.endswith('work/'):
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            t = t.clone('../..')
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        self.permit_url(t.base)
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        return url
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    def start_logging_connections(self):
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        self.overrideAttr(InstrumentedTransport, 'hooks', TransportHooks())
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        # We preserved the hooks class attribute. Now we install our hook.
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        ConnectionHookedTransport.hooks.install_named_hook(
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            '_set_connection', self._collect_connection, None)
 
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        # uninstall our hooks when we are finished
 
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        self.addCleanup(self.reset_hooks)
 
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    def reset_hooks(self):
 
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        InstrumentedTransport.hooks = TransportHooks()
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    def reset_connections(self):
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        self.connections = []