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Viewing changes to bzrlib/tests/blackbox/test_serve.py

  • Committer: John Arbash Meinel
  • Date: 2009-08-25 18:45:40 UTC
  • mto: (4634.6.15 2.0)
  • mto: This revision was merged to the branch mainline in revision 4667.
  • Revision ID: john@arbash-meinel.com-20090825184540-6dn3xjq62xhgj2gq
Add support for skipping ghost nodes.

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bzrlib/tests/blackbox/test_serve.py
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#
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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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests of the bzr serve command."""
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import signal
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import subprocess
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import sys
 
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import thread
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import threading
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from bzrlib import (
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    errors,
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    osutils,
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    revision as _mod_revision,
 
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    transport,
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    )
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from bzrlib.branch import Branch
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from bzrlib.bzrdir import BzrDir
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from bzrlib.errors import ParamikoNotPresent
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from bzrlib.smart import medium
 
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from bzrlib.smart import client, medium
 
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from bzrlib.smart.server import SmartTCPServer
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from bzrlib.tests import TestCaseWithTransport, TestSkipped
 
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from bzrlib.trace import mutter
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from bzrlib.transport import get_transport, remote
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        result = self.finish_bzr_subprocess(process)
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        self.assertEqual('', result[0])
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        self.assertEqual('', result[1])
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    def assertServerFinishesCleanly(self, process):
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        """Shutdown the bzr serve instance process looking for errors."""
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        # Shutdown the server
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        self.assertEqual('', result[0])
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        self.assertEqual('bzr: interrupted\n', result[1])
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    def make_read_requests(self, branch):
 
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        """Do some read only requests."""
 
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        branch.lock_read()
 
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        try:
 
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            branch.repository.all_revision_ids()
 
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            self.assertEqual(_mod_revision.NULL_REVISION,
 
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                             _mod_revision.ensure_null(branch.last_revision()))
 
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        finally:
 
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            branch.unlock()
 
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    def start_server_inet(self, extra_options=()):
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        """Start a bzr server subprocess using the --inet option.
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        # Connect to the server
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        # We use this url because while this is no valid URL to connect to this
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        # server instance, the transport needs a URL.
 
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        url = 'bzr://localhost/'
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        client_medium = medium.SmartSimplePipesClientMedium(
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            process.stdout, process.stdin)
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        transport = remote.RemoteTransport(
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            'bzr://localhost/', medium=client_medium)
 
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            process.stdout, process.stdin, url)
 
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        transport = remote.RemoteTransport(url, medium=client_medium)
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        return process, transport
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    def start_server_port(self, extra_options=()):
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        args = ['serve', '--port', 'localhost:0']
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        args.extend(extra_options)
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        process = self.start_bzr_subprocess(args, skip_if_plan_to_signal=True)
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        port_line = process.stdout.readline()
 
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        port_line = process.stderr.readline()
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        prefix = 'listening on port: '
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        self.assertStartsWith(port_line, prefix)
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        port = int(port_line[len(prefix):])
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        # We get a working branch
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        branch = BzrDir.open_from_transport(transport).open_branch()
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        branch.repository.get_revision_graph()
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        self.assertEqual(_mod_revision.NULL_REVISION,
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                         _mod_revision.ensure_null(branch.last_revision()))
 
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        self.make_read_requests(branch)
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        self.assertInetServerShutsdownCleanly(process)
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    def test_bzr_serve_port_readonly(self):
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        # Connect to the server
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        branch = Branch.open(url)
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        # We get a working branch
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        branch.repository.get_revision_graph()
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        self.assertEqual(_mod_revision.NULL_REVISION,
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                         _mod_revision.ensure_null(branch.last_revision()))
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        self.make_read_requests(branch)
 
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        self.assertServerFinishesCleanly(process)
 
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145
    def test_bzr_serve_supports_protocol(self):
 
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        # Make a branch
 
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        self.make_branch('.')
 
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        process, url = self.start_server_port(['--allow-writes',
 
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                                               '--protocol=bzr'])
 
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        # Connect to the server
 
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        branch = Branch.open(url)
 
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        self.make_read_requests(branch)
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        self.assertServerFinishesCleanly(process)
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    def test_bzr_connect_to_bzr_ssh(self):
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        except ParamikoNotPresent:
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            raise TestSkipped('Paramiko not installed')
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        from bzrlib.tests.stub_sftp import StubServer
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        # Make a branch
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        self.make_branch('a_branch')
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                proc = subprocess.Popen(
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                    command, shell=True, stdin=subprocess.PIPE,
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                    stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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                # XXX: horribly inefficient, not to mention ugly.
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                # Start a thread for each of stdin/out/err, and relay bytes from
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                # the subprocess to channel and vice versa.
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        # Access the branch via a bzr+ssh URL.  The BZR_REMOTE_PATH environment
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        # variable is used to tell bzr what command to run on the remote end.
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        path_to_branch = osutils.abspath('a_branch')
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        orig_bzr_remote_path = os.environ.get('BZR_REMOTE_PATH')
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        bzr_remote_path = self.get_bzr_path()
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        if sys.platform == 'win32':
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                path_to_branch = os.path.splitdrive(path_to_branch)[1]
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            branch = Branch.open(
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                'bzr+ssh://fred:secret@localhost:%d%s' % (port, path_to_branch))
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            branch.repository.get_revision_graph()
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            self.assertEqual(_mod_revision.NULL_REVISION,
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                             _mod_revision.ensure_null(branch.last_revision()))
 
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            self.make_read_requests(branch)
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            # Check we can perform write operations
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            branch.bzrdir.root_transport.mkdir('foo')
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        finally:
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            ['%s serve --inet --directory=/ --allow-writes'
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             % bzr_remote_path],
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            self.command_executed)
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class TestCmdServeChrooting(TestCaseWithTransport):
 
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    def test_serve_tcp(self):
 
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        """'bzr serve' wraps the given --directory in a ChrootServer.
 
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        So requests that search up through the parent directories (like
 
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        find_repositoryV3) will give "not found" responses, rather than
 
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        InvalidURLJoin or jail break errors.
 
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        """
 
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        t = self.get_transport()
 
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        t.mkdir('server-root')
 
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        self.run_bzr_serve_then_func(
 
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            ['--port', '0', '--directory', t.local_abspath('server-root'),
 
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             '--allow-writes'],
 
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            self.when_server_started)
 
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        # The when_server_started method issued a find_repositoryV3 that should
 
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        # fail with 'norepository' because there are no repositories inside the
 
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        # --directory.
 
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        self.assertEqual(('norepository',), self.client_resp)
 
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    def run_bzr_serve_then_func(self, serve_args, func, *func_args,
 
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            **func_kwargs):
 
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        """Run 'bzr serve', and run the given func in a thread once the server
 
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        has started.
 
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        When 'func' terminates, the server will be terminated too.
 
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        """
 
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        # install hook
 
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        def on_server_start(backing_urls, tcp_server):
 
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            t = threading.Thread(
 
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                target=on_server_start_thread, args=(tcp_server,))
 
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            t.start()
 
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        def on_server_start_thread(tcp_server):
 
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            try:
 
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                # Run func
 
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                self.tcp_server = tcp_server
 
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                try:
 
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                    func(*func_args, **func_kwargs)
 
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                except Exception, e:
 
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                    # Log errors to make some test failures a little less
 
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                    # mysterious.
 
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                    mutter('func broke: %r', e)
 
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            finally:
 
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                # Then stop the server
 
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                mutter('interrupting...')
 
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                thread.interrupt_main()
 
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        SmartTCPServer.hooks.install_named_hook(
 
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            'server_started_ex', on_server_start,
 
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            'run_bzr_serve_then_func hook')
 
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        # start a TCP server
 
297
        try:
 
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            self.run_bzr(['serve'] + list(serve_args))
 
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        except KeyboardInterrupt:
 
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            pass
 
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    def when_server_started(self):
 
303
        # Connect to the TCP server and issue some requests and see what comes
 
304
        # back.
 
305
        client_medium = medium.SmartTCPClientMedium(
 
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            '127.0.0.1', self.tcp_server.port,
 
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            'bzr://localhost:%d/' % (self.tcp_server.port,))
 
308
        smart_client = client._SmartClient(client_medium)
 
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        resp = smart_client.call('mkdir', 'foo', '')
 
310
        resp = smart_client.call('BzrDirFormat.initialize', 'foo/')
 
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        try:
 
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            resp = smart_client.call('BzrDir.find_repositoryV3', 'foo/')
 
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        except errors.ErrorFromSmartServer, e:
 
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            resp = e.error_tuple
 
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        self.client_resp = resp
 
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        client_medium.disconnect()
 
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