c92b4ac0ff
assert_has_calls is not enough to check if a call didn't raise a warning. We also need to check the number of calls. This is done by creating a subclass of MagicMock implementing the assert_has_exact_calls method.
293 lines
11 KiB
Python
293 lines
11 KiB
Python
#
|
|
# Copyright (C) 2015 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/>.
|
|
|
|
from ycm.test_utils import MockVimModule, ExtendedMock
|
|
MockVimModule()
|
|
|
|
import contextlib
|
|
import os
|
|
|
|
from ycm.youcompleteme import YouCompleteMe
|
|
from ycmd import user_options_store
|
|
from ycmd.responses import UnknownExtraConf
|
|
|
|
from mock import call, MagicMock, patch
|
|
|
|
|
|
# The default options which are only relevant to the client, not the server and
|
|
# thus are not part of default_options.json, but are required for a working
|
|
# YouCompleteMe object.
|
|
DEFAULT_CLIENT_OPTIONS = {
|
|
'server_log_level': 'info',
|
|
'extra_conf_vim_data': [],
|
|
}
|
|
|
|
|
|
def PostVimMessage_Call( message ):
|
|
"""Return a mock.call object for a call to vimsupport.PostVimMesasge with the
|
|
supplied message"""
|
|
return call( 'redraw | echohl WarningMsg | echom \''
|
|
+ message +
|
|
'\' | echohl None' )
|
|
|
|
|
|
def PresentDialog_Confirm_Call( message ):
|
|
"""Return a mock.call object for a call to vimsupport.PresentDialog, as called
|
|
why vimsupport.Confirm with the supplied confirmation message"""
|
|
return call( message, [ 'Ok', 'Cancel' ] )
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def MockArbitraryBuffer( filetype, native_available = True ):
|
|
"""Used via the with statement, set up mocked versions of the vim module such
|
|
that a single buffer is open with an arbitrary name and arbirary contents. Its
|
|
filetype is set to the supplied filetype"""
|
|
with patch( 'vim.current' ) as vim_current:
|
|
def VimEval( value ):
|
|
"""Local mock of the vim.eval() function, used to ensure we get the
|
|
correct behvaiour"""
|
|
|
|
if value == '&omnifunc':
|
|
# The omnicompleter is not required here
|
|
return ''
|
|
|
|
if value == 'getbufvar(0, "&mod")':
|
|
# Ensure that we actually send the even to the server
|
|
return 1
|
|
|
|
if value == 'getbufvar(0, "&ft")' or value == '&filetype':
|
|
return filetype
|
|
|
|
raise ValueError( 'Unexpected evaluation' )
|
|
|
|
# Arbitrary, but valid, cursor position
|
|
vim_current.window.cursor = ( 1, 2 )
|
|
|
|
# Arbitrary, but valid, single buffer open
|
|
current_buffer = MagicMock()
|
|
current_buffer.number = 0
|
|
current_buffer.filename = os.path.realpath( 'TEST_BUFFER' )
|
|
current_buffer.name = 'TEST_BUFFER'
|
|
|
|
# The rest just mock up the Vim module so that our single arbitrary buffer
|
|
# makes sense to vimsupport module.
|
|
with patch( 'vim.buffers', [ current_buffer ] ):
|
|
with patch( 'vim.current.buffer', current_buffer ):
|
|
with patch( 'vim.eval', side_effect=VimEval ):
|
|
yield
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def MockEventNotification( response_method, native_filetype_completer = True ):
|
|
"""Mock out the EventNotification client request object, replacing the
|
|
Response handler's JsonFromFuture with the supplied |response_method|.
|
|
Additionally mock out YouCompleteMe's FiletypeCompleterExistsForFiletype
|
|
method to return the supplied |native_filetype_completer| parameter, rather
|
|
than querying the server"""
|
|
|
|
# We don't want the event to actually be sent to the server, just have it
|
|
# return success
|
|
with patch( 'ycm.client.base_request.BaseRequest.PostDataToHandlerAsync',
|
|
return_value = MagicMock( return_value=True ) ):
|
|
|
|
# We set up a fake a Response (as called by EventNotification.Response)
|
|
# which calls the supplied callback method. Generally this callback just
|
|
# raises an apropriate exception, otherwise it would have to return a mock
|
|
# future object.
|
|
#
|
|
# Note: JsonFromFuture is actually part of ycm.client.base_request, but we
|
|
# must patch where an object is looked up, not where it is defined.
|
|
# See https://docs.python.org/dev/library/unittest.mock.html#where-to-patch
|
|
# for details.
|
|
with patch( 'ycm.client.event_notification.JsonFromFuture',
|
|
side_effect = response_method ):
|
|
|
|
# Filetype available information comes from the server, so rather than
|
|
# relying on that request, we mock out the check. The caller decides if
|
|
# filetype completion is available
|
|
with patch(
|
|
'ycm.youcompleteme.YouCompleteMe.FiletypeCompleterExistsForFiletype',
|
|
return_value = native_filetype_completer ):
|
|
|
|
yield
|
|
|
|
|
|
class EventNotification_test( object ):
|
|
|
|
def setUp( self ):
|
|
options = dict( user_options_store.DefaultOptions() )
|
|
options.update( DEFAULT_CLIENT_OPTIONS )
|
|
user_options_store.SetAll( options )
|
|
|
|
self.server_state = YouCompleteMe( user_options_store.GetAll() )
|
|
pass
|
|
|
|
|
|
def tearDown( self ):
|
|
if self.server_state:
|
|
self.server_state.OnVimLeave()
|
|
|
|
|
|
@patch( 'vim.command', new_callable = ExtendedMock )
|
|
def FileReadyToParse_NonDiagnostic_Error_test( self, vim_command ):
|
|
# This test validates the behaviour of YouCompleteMe.ValidateParseRequest in
|
|
# combination with YouCompleteMe.OnFileReadyToParse when the completer
|
|
# raises an exception handling FileReadyToParse event notification
|
|
ERROR_TEXT = 'Some completer response text'
|
|
|
|
def ErrorResponse( *args ):
|
|
raise RuntimeError( ERROR_TEXT )
|
|
|
|
with MockArbitraryBuffer( 'javascript' ):
|
|
with MockEventNotification( ErrorResponse ):
|
|
self.server_state.OnFileReadyToParse()
|
|
assert self.server_state.DiagnosticsForCurrentFileReady()
|
|
self.server_state.ValidateParseRequest()
|
|
|
|
# The first call raises a warning
|
|
vim_command.assert_has_exact_calls( [
|
|
PostVimMessage_Call( ERROR_TEXT ),
|
|
] )
|
|
|
|
# Subsequent calls don't re-raise the warning
|
|
self.server_state.ValidateParseRequest()
|
|
vim_command.assert_has_exact_calls( [
|
|
PostVimMessage_Call( ERROR_TEXT ),
|
|
] )
|
|
|
|
# But it does if a subsequent event raises again
|
|
self.server_state.OnFileReadyToParse()
|
|
assert self.server_state.DiagnosticsForCurrentFileReady()
|
|
self.server_state.ValidateParseRequest()
|
|
vim_command.assert_has_exact_calls( [
|
|
PostVimMessage_Call( ERROR_TEXT ),
|
|
PostVimMessage_Call( ERROR_TEXT ),
|
|
] )
|
|
|
|
|
|
@patch( 'vim.command' )
|
|
def FileReadyToParse_NonDiagnostic_Error_NonNative_test( self, vim_command ):
|
|
with MockArbitraryBuffer( 'javascript' ):
|
|
with MockEventNotification( None, False ):
|
|
self.server_state.OnFileReadyToParse()
|
|
self.server_state.ValidateParseRequest()
|
|
vim_command.assert_not_called()
|
|
|
|
|
|
@patch( 'ycm.client.event_notification._LoadExtraConfFile',
|
|
new_callable = ExtendedMock )
|
|
@patch( 'ycm.client.event_notification._IgnoreExtraConfFile',
|
|
new_callable = ExtendedMock )
|
|
def FileReadyToParse_NonDiagnostic_ConfirmExtraConf_test(
|
|
self,
|
|
ignore_extra_conf,
|
|
load_extra_conf,
|
|
*args ):
|
|
|
|
# This test validates the behaviour of YouCompleteMe.ValidateParseRequest in
|
|
# combination with YouCompleteMe.OnFileReadyToParse when the completer
|
|
# raises the (special) UnknownExtraConf exception
|
|
|
|
FILE_NAME = 'a_file'
|
|
MESSAGE = ( 'Found ' + FILE_NAME + '. Load? \n\n(Question can be '
|
|
'turned off with options, see YCM docs)' )
|
|
|
|
def UnknownExtraConfResponse( *args ):
|
|
raise UnknownExtraConf( FILE_NAME )
|
|
|
|
with MockArbitraryBuffer( 'javascript' ):
|
|
with MockEventNotification( UnknownExtraConfResponse ):
|
|
|
|
# When the user accepts the extra conf, we load it
|
|
with patch( 'ycm.vimsupport.PresentDialog',
|
|
return_value = 0,
|
|
new_callable = ExtendedMock ) as present_dialog:
|
|
self.server_state.OnFileReadyToParse()
|
|
assert self.server_state.DiagnosticsForCurrentFileReady()
|
|
self.server_state.ValidateParseRequest()
|
|
|
|
present_dialog.assert_has_exact_calls( [
|
|
PresentDialog_Confirm_Call( MESSAGE ),
|
|
] )
|
|
load_extra_conf.assert_has_exact_calls( [
|
|
call( FILE_NAME ),
|
|
] )
|
|
|
|
# Subsequent calls don't re-raise the warning
|
|
self.server_state.ValidateParseRequest()
|
|
|
|
present_dialog.assert_has_exact_calls( [
|
|
PresentDialog_Confirm_Call( MESSAGE )
|
|
] )
|
|
load_extra_conf.assert_has_exact_calls( [
|
|
call( FILE_NAME ),
|
|
] )
|
|
|
|
# But it does if a subsequent event raises again
|
|
self.server_state.OnFileReadyToParse()
|
|
assert self.server_state.DiagnosticsForCurrentFileReady()
|
|
self.server_state.ValidateParseRequest()
|
|
|
|
present_dialog.assert_has_exact_calls( [
|
|
PresentDialog_Confirm_Call( MESSAGE ),
|
|
PresentDialog_Confirm_Call( MESSAGE ),
|
|
] )
|
|
load_extra_conf.assert_has_exact_calls( [
|
|
call( FILE_NAME ),
|
|
call( FILE_NAME ),
|
|
] )
|
|
|
|
# When the user rejects the extra conf, we reject it
|
|
with patch( 'ycm.vimsupport.PresentDialog',
|
|
return_value = 1,
|
|
new_callable = ExtendedMock ) as present_dialog:
|
|
self.server_state.OnFileReadyToParse()
|
|
assert self.server_state.DiagnosticsForCurrentFileReady()
|
|
self.server_state.ValidateParseRequest()
|
|
|
|
present_dialog.assert_has_exact_calls( [
|
|
PresentDialog_Confirm_Call( MESSAGE ),
|
|
] )
|
|
ignore_extra_conf.assert_has_exact_calls( [
|
|
call( FILE_NAME ),
|
|
] )
|
|
|
|
# Subsequent calls don't re-raise the warning
|
|
self.server_state.ValidateParseRequest()
|
|
|
|
present_dialog.assert_has_exact_calls( [
|
|
PresentDialog_Confirm_Call( MESSAGE )
|
|
] )
|
|
ignore_extra_conf.assert_has_exact_calls( [
|
|
call( FILE_NAME ),
|
|
] )
|
|
|
|
# But it does if a subsequent event raises again
|
|
self.server_state.OnFileReadyToParse()
|
|
assert self.server_state.DiagnosticsForCurrentFileReady()
|
|
self.server_state.ValidateParseRequest()
|
|
|
|
present_dialog.assert_has_exact_calls( [
|
|
PresentDialog_Confirm_Call( MESSAGE ),
|
|
PresentDialog_Confirm_Call( MESSAGE ),
|
|
] )
|
|
ignore_extra_conf.assert_has_exact_calls( [
|
|
call( FILE_NAME ),
|
|
call( FILE_NAME ),
|
|
] )
|