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# Copyright (C) 2017 YouCompleteMe contributors
#
# This file is part of YouCompleteMe.
#
# YouCompleteMe 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 3 of the License, or
# (at your option) any later version.
#
# YouCompleteMe 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 YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
import json
from unittest import mock
HTTP_OK = 200
class FakeResponse:
"""A fake version of a requests response object, just about suitable for
mocking a server response. Not usually used directly. See
MockServerResponse* methods"""
def __init__( self, response, exception ):
self._json = response
self._exception = exception
self.code = HTTP_OK
def read( self ):
if self._exception:
raise self._exception
return json.dumps( self._json ).encode( 'utf-8' )
def close( self ):
pass
class FakeFuture:
"""A fake version of a future response object, just about suitable for
mocking a server response as generated by PostDataToHandlerAsync.
Not usually used directly. See MockAsyncServerResponse* methods"""
def __init__( self, done, response = None, exception = None ):
self._done = done
if not done:
self._result = None
else:
self._result = FakeResponse( response, exception )
def done( self ):
return self._done
def result( self ):
return self._result
def MockAsyncServerResponseDone( response ):
"""Return a MessagePoll containing a fake future object that is complete with
the supplied response message. Suitable for mocking a response future within
a client request. For example:
with MockVimBuffers( [ current_buffer ], [ current_buffer ], ( 1, 1 ) ) as v:
mock_response = MockAsyncServerResponseDone( response )
with patch.dict( ycm._message_poll_requests, {} ):
ycm._message_poll_requests[ filetype ] = MessagesPoll( v.current.buffer )
ycm._message_poll_requests[ filetype ]._response_future = mock_response
# Needed to keep a reference to the mocked dictionary
mock_future = ycm._message_poll_requests[ filetype ]._response_future
ycm.OnPeriodicTick() # Uses ycm._message_poll_requests[ filetype ] ...
"""
return mock.MagicMock( wraps = FakeFuture( True, response ) )
def MockAsyncServerResponseInProgress():
"""Return a fake future object that is incomplete. Suitable for mocking a
response future within a client request. For example:
with MockVimBuffers( [ current_buffer ], [ current_buffer ], ( 1, 1 ) ) as v:
mock_response = MockAsyncServerResponseInProgress()
with patch.dict( ycm._message_poll_requests, {} ):
ycm._message_poll_requests[ filetype ] = MessagesPoll( v.current.buffer )
ycm._message_poll_requests[ filetype ]._response_future = mock_response
# Needed to keep a reference to the mocked dictionary
mock_future = ycm._message_poll_requests[ filetype ]._response_future
ycm.OnPeriodicTick() # Uses ycm._message_poll_requests[ filetype ] ...
"""
return mock.MagicMock( wraps = FakeFuture( False ) )
def MockAsyncServerResponseException( exception ):
"""Return a fake future object that is complete, but raises an exception.
Suitable for mocking a response future within a client request. For example:
with MockVimBuffers( [ current_buffer ], [ current_buffer ], ( 1, 1 ) ) as v:
mock_response = MockAsyncServerResponseException( exception )
with patch.dict( ycm._message_poll_requests, {} ):
ycm._message_poll_requests[ filetype ] = MessagesPoll( v.current.buffer )
ycm._message_poll_requests[ filetype ]._response_future = mock_response
# Needed to keep a reference to the mocked dictionary
mock_future = ycm._message_poll_requests[ filetype ]._response_future
ycm.OnPeriodicTick() # Uses ycm._message_poll_requests[ filetype ] ...
"""
return mock.MagicMock( wraps = FakeFuture( True, None, exception ) )
# TODO: In future, implement MockServerResponse and MockServerResponseException
# for synchronous cases when such test cases are needed.
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