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# Copyright (C) 2006, 2007 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tests for remote bzrdir/branch/repo/etc
These are proxy objects which act on remote objects by sending messages
through a smart client. The proxies are to be created when attempting to open
the object given a transport that supports smartserver rpc operations.
"""
from cStringIO import StringIO
from bzrlib import bzrdir, remote, tests
from bzrlib.branch import Branch
from bzrlib.bzrdir import BzrDir, BzrDirFormat
from bzrlib.remote import (
RemoteBranch,
RemoteBzrDir,
RemoteBzrDirFormat,
RemoteRepository,
)
from bzrlib.revision import NULL_REVISION
from bzrlib.smart import server
from bzrlib.smart.client import SmartClient
from bzrlib.transport import remote as remote_transport
from bzrlib.transport.memory import MemoryTransport
class BasicRemoteObjectTests(tests.TestCaseWithTransport):
def setUp(self):
super(BasicRemoteObjectTests, self).setUp()
self.transport_server = server.SmartTCPServer_for_testing
self.transport = self.get_transport()
self.client = self.transport.get_smart_client()
# make a branch that can be opened over the smart transport
self.local_wt = BzrDir.create_standalone_workingtree('.')
def test_create_remote_bzrdir(self):
b = remote.RemoteBzrDir(self.transport)
self.assertIsInstance(b, BzrDir)
def test_open_remote_branch(self):
# open a standalone branch in the working directory
b = remote.RemoteBzrDir(self.transport)
branch = b.open_branch()
def test_remote_repository(self):
b = BzrDir.open_from_transport(self.transport)
repo = b.open_repository()
revid = u'\xc823123123'
self.assertFalse(repo.has_revision(revid))
self.local_wt.commit(message='test commit', rev_id=revid)
self.assertTrue(repo.has_revision(revid))
def test_remote_branch_revision_history(self):
b = BzrDir.open_from_transport(self.transport).open_branch()
self.assertEqual([], b.revision_history())
r1 = self.local_wt.commit('1st commit')
r2 = self.local_wt.commit('1st commit', rev_id=u'\xc8')
self.assertEqual([r1, r2], b.revision_history())
def test_find_correct_format(self):
"""Should open a RemoteBzrDir over a RemoteTransport"""
fmt = BzrDirFormat.find_format(self.transport)
self.assertTrue(RemoteBzrDirFormat in BzrDirFormat._control_formats)
self.assertIsInstance(fmt, remote.RemoteBzrDirFormat)
def test_open_detected_smart_format(self):
fmt = BzrDirFormat.find_format(self.transport)
d = fmt.open(self.transport)
self.assertIsInstance(d, BzrDir)
class FakeProtocol(object):
"""Lookalike SmartClientRequestProtocolOne allowing body reading tests."""
def __init__(self, body):
self._body_buffer = StringIO(body)
def read_body_bytes(self, count=-1):
return self._body_buffer.read(count)
class FakeClient(SmartClient):
"""Lookalike for SmartClient allowing testing."""
def __init__(self, responses):
# We don't call the super init because there is no medium.
"""create a FakeClient.
:param respones: A list of response-tuple, body-data pairs to be sent
back to callers.
"""
self.responses = responses
self._calls = []
def call(self, method, *args):
self._calls.append(('call', method, args))
return self.responses.pop(0)[0]
def call2(self, method, *args):
self._calls.append(('call2', method, args))
result = self.responses.pop(0)
return result[0], FakeProtocol(result[1])
class TestBranchLastRevisionInfo(tests.TestCase):
def test_empty_branch(self):
# in an empty branch we decode the response properly
client = FakeClient([(('ok', '0', ''), )])
transport = MemoryTransport()
transport.mkdir('quack')
transport = transport.clone('quack')
# we do not want bzrdir to make any remote calls
bzrdir = RemoteBzrDir(transport, _client=False)
branch = RemoteBranch(bzrdir, None, _client=client)
result = branch.last_revision_info()
self.assertEqual(
[('call', 'Branch.last_revision_info', ('///quack/',))],
client._calls)
self.assertEqual((0, NULL_REVISION), result)
def test_non_empty_branch(self):
# in a non-empty branch we also decode the response properly
client = FakeClient([(('ok', '2', u'\xc8'.encode('utf8')), )])
transport = MemoryTransport()
transport.mkdir('kwaak')
transport = transport.clone('kwaak')
# we do not want bzrdir to make any remote calls
bzrdir = RemoteBzrDir(transport, _client=False)
branch = RemoteBranch(bzrdir, None, _client=client)
result = branch.last_revision_info()
self.assertEqual(
[('call', 'Branch.last_revision_info', ('///kwaak/',))],
client._calls)
self.assertEqual((2, u'\xc8'), result)
class TestBranchControlGetBranchConf(tests.TestCase):
"""Test branch.control_files api munging...
we special case RemoteBranch.control_files.get('branch.conf') to
call a specific API so that RemoteBranch's can intercept configuration
file reading, allowing them to signal to the client about things like
'email is configured for commits'.
"""
def test_get_branch_conf(self):
# in an empty branch we decode the response properly
client = FakeClient([(('ok', ), 'config file body')])
transport = MemoryTransport()
transport.mkdir('quack')
transport = transport.clone('quack')
# we do not want bzrdir to make any remote calls
bzrdir = RemoteBzrDir(transport, _client=False)
branch = RemoteBranch(bzrdir, None, _client=client)
result = branch.control_files.get('branch.conf')
self.assertEqual(
[('call2', 'Branch.get_config_file', ('///quack/',))],
client._calls)
self.assertEqual('config file body', result.read())
class TestRepositoryIsShared(tests.TestCase):
def setup_fake_client_and_repository(self, responses, transport_path):
"""Create the fake client and repository for testing with."""
client = FakeClient(responses)
transport = MemoryTransport()
transport.mkdir(transport_path)
transport = transport.clone(transport_path)
# we do not want bzrdir to make any remote calls
bzrdir = RemoteBzrDir(transport, _client=False)
repo = RemoteRepository(bzrdir, None, _client=client)
return repo, client
def test_is_shared(self):
# ('yes', ) for Repository.is_shared -> 'True'.
responses = [(('yes', ), )]
transport_path = 'quack'
repo, client = self.setup_fake_client_and_repository(
responses, transport_path)
result = repo.is_shared()
self.assertEqual(
[('call', 'Repository.is_shared', ('///quack/',))],
client._calls)
self.assertEqual(True, result)
def test_is_not_shared(self):
# ('no', ) for Repository.is_shared -> 'False'.
responses = [(('no', ), )]
transport_path = 'qwack'
repo, client = self.setup_fake_client_and_repository(
responses, transport_path)
result = repo.is_shared()
self.assertEqual(
[('call', 'Repository.is_shared', ('///qwack/',))],
client._calls)
self.assertEqual(False, result)
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