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# Copyright (C) 2009 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 smart server request infrastructure (bzrlib.smart.request)."""
from bzrlib import errors
from bzrlib.smart import request
from bzrlib.tests import TestCase
class NoBodyRequest(request.SmartServerRequest):
"""A request that does not implement do_body."""
def do(self):
return request.SuccessfulSmartServerResponse(('ok',))
class TestSmartRequest(TestCase):
def test_request_class_without_do_body(self):
"""If a request has no body data, and the request's implementation does
not override do_body, then no exception is raised.
"""
# Create a SmartServerRequestHandler with a SmartServerRequest subclass
# that does not implement do_body.
handler = request.SmartServerRequestHandler(
None, {'foo': NoBodyRequest}, '/')
# Emulate a request with no body (i.e. just args).
handler.args_received(('foo',))
handler.end_received()
# Request done, no exception was raised.
def test_unexpected_body(self):
"""If a request implementation receives an unexpected body, it
raises an error.
"""
# Create a SmartServerRequestHandler with a SmartServerRequest subclass
# that does not implement do_body.
handler = request.SmartServerRequestHandler(
None, {'foo': NoBodyRequest}, '/')
# Emulate a request with a body
handler.args_received(('foo',))
handler.accept_body('some body bytes')
# Note that the exception currently occurs at the end of the request.
# In principle it would also be ok for it to happen earlier, during
# accept_body.
exc = self.assertRaises(errors.SmartProtocolError, handler.end_received)
self.assertEquals('Request does not expect a body', exc.details)
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