YouCompleteMe/python/ycm/tests/vimsupport_test.py
2016-11-19 18:47:43 +01:00

1557 lines
54 KiB
Python

# coding: utf-8
#
# Copyright (C) 2015-2016 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/>.
# Intentionally not importing unicode_literals!
from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
from future import standard_library
standard_library.install_aliases()
from builtins import * # noqa
from ycm.tests import PathToTestFile
from ycm.tests.test_utils import ( CurrentWorkingDirectory, ExtendedMock,
MockVimCommand, MockVimModule, VimBuffer )
MockVimModule()
from ycm import vimsupport
from nose.tools import eq_
from hamcrest import assert_that, calling, equal_to, has_entry, raises
from mock import MagicMock, call, patch
from ycmd.utils import ToBytes
import os
import json
def AssertBuffersAreEqualAsBytes( result_buffer, expected_buffer ):
eq_( len( result_buffer ), len( expected_buffer ) )
for result_line, expected_line in zip( result_buffer, expected_buffer ):
eq_( ToBytes( result_line ), ToBytes( expected_line ) )
def ReplaceChunk_SingleLine_Repl_1_test():
# Replace with longer range
result_buffer = [ 'This is a string' ]
start, end = _BuildLocations( 1, 1, 1, 5 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'How long',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'How long is a string' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 4 )
# and replace again, using delta
start, end = _BuildLocations( 1, 10, 1, 11 )
( new_line_offset, new_char_offset ) = vimsupport.ReplaceChunk(
start,
end,
' piece of ',
line_offset,
char_offset,
result_buffer )
line_offset += new_line_offset
char_offset += new_char_offset
AssertBuffersAreEqualAsBytes( [ 'How long is a piece of string' ],
result_buffer )
eq_( new_line_offset, 0 )
eq_( new_char_offset, 9 )
eq_( line_offset, 0 )
eq_( char_offset, 13 )
# and once more, for luck
start, end = _BuildLocations( 1, 11, 1, 17 )
( new_line_offset, new_char_offset ) = vimsupport.ReplaceChunk(
start,
end,
'pie',
line_offset,
char_offset,
result_buffer )
line_offset += new_line_offset
char_offset += new_char_offset
AssertBuffersAreEqualAsBytes( [ 'How long is a piece of pie' ],
result_buffer )
eq_( new_line_offset, 0 )
eq_( new_char_offset, -3 )
eq_( line_offset, 0 )
eq_( char_offset, 10 )
def ReplaceChunk_SingleLine_Repl_2_test():
# Replace with shorter range
result_buffer = [ 'This is a string' ]
start, end = _BuildLocations( 1, 11, 1, 17 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'test',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This is a test' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -2 )
def ReplaceChunk_SingleLine_Repl_3_test():
# Replace with equal range
result_buffer = [ 'This is a string' ]
start, end = _BuildLocations( 1, 6, 1, 8 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'be',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This be a string' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 0 )
def ReplaceChunk_SingleLine_Add_1_test():
# Insert at start
result_buffer = [ 'is a string' ]
start, end = _BuildLocations( 1, 1, 1, 1 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'This ',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This is a string' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 5 )
def ReplaceChunk_SingleLine_Add_2_test():
# Insert at end
result_buffer = [ 'This is a ' ]
start, end = _BuildLocations( 1, 11, 1, 11 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'string',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This is a string' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 6 )
def ReplaceChunk_SingleLine_Add_3_test():
# Insert in the middle
result_buffer = [ 'This is a string' ]
start, end = _BuildLocations( 1, 8, 1, 8 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
' not',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This is not a string' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 4 )
def ReplaceChunk_SingleLine_Del_1_test():
# Delete from start
result_buffer = [ 'This is a string' ]
start, end = _BuildLocations( 1, 1, 1, 6 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'is a string' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -5 )
def ReplaceChunk_SingleLine_Del_2_test():
# Delete from end
result_buffer = [ 'This is a string' ]
start, end = _BuildLocations( 1, 10, 1, 18 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This is a' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -8 )
def ReplaceChunk_SingleLine_Del_3_test():
# Delete from middle
result_buffer = [ 'This is not a string' ]
start, end = _BuildLocations( 1, 9, 1, 13 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This is a string' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -4 )
def ReplaceChunk_SingleLine_Unicode_ReplaceUnicodeChars_test():
# Replace Unicode characters.
result_buffer = [ 'This Uniçø∂‰ string is in the middle' ]
start, end = _BuildLocations( 1, 6, 1, 20 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'Unicode ',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This Unicode string is in the middle' ],
result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -6 )
def ReplaceChunk_SingleLine_Unicode_ReplaceAfterUnicode_test():
# Replace ASCII characters after Unicode characters in the line.
result_buffer = [ 'This Uniçø∂‰ string is in the middle' ]
start, end = _BuildLocations( 1, 30, 1, 43 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'fåke',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'This Uniçø∂‰ string is fåke' ],
result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -8 )
def ReplaceChunk_SingleLine_Unicode_Grown_test():
# Replace ASCII characters after Unicode characters in the line.
result_buffer = [ 'a' ]
start, end = _BuildLocations( 1, 1, 1, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'å',
0,
0,
result_buffer )
AssertBuffersAreEqualAsBytes( [ 'å' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 1 ) # Note: byte difference (a = 1 byte, å = 2 bytes)
def ReplaceChunk_RemoveSingleLine_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 2, 1, 3, 1 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, '',
0, 0, result_buffer )
# First line is not affected.
expected_buffer = [ 'aAa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, -1 )
eq_( char_offset, 0 )
def ReplaceChunk_SingleToMultipleLines_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 2, 2, 2, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'Eb\nbF',
0, 0, result_buffer )
expected_buffer = [ 'aAa',
'aEb',
'bFBa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 1 )
eq_( char_offset, 1 )
# now make another change to the "2nd" line
start, end = _BuildLocations( 2, 3, 2, 4 )
( new_line_offset, new_char_offset ) = vimsupport.ReplaceChunk(
start,
end,
'cccc',
line_offset,
char_offset,
result_buffer )
line_offset += new_line_offset
char_offset += new_char_offset
AssertBuffersAreEqualAsBytes( [ 'aAa',
'aEb',
'bFBcccc',
'aCa' ], result_buffer )
eq_( line_offset, 1 )
eq_( char_offset, 4 )
def ReplaceChunk_SingleToMultipleLines2_test():
result_buffer = [ 'aAa', 'aBa', 'aCa' ]
start, end = _BuildLocations( 2, 2, 2, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'Eb\nbFb\nG',
0,
0,
result_buffer )
expected_buffer = [ 'aAa',
'aEb',
'bFb',
'GBa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 2 )
eq_( char_offset, 0 )
def ReplaceChunk_SingleToMultipleLines3_test():
result_buffer = [ 'aAa', 'aBa', 'aCa' ]
start, end = _BuildLocations( 2, 2, 2, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'Eb\nbFb\nbGb',
0,
0,
result_buffer )
expected_buffer = [ 'aAa',
'aEb',
'bFb',
'bGbBa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 2 )
eq_( char_offset, 2 )
def ReplaceChunk_SingleToMultipleLinesReplace_test():
result_buffer = [ 'aAa', 'aBa', 'aCa' ]
start, end = _BuildLocations( 1, 2, 1, 4 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'Eb\nbFb\nbGb',
0,
0,
result_buffer )
expected_buffer = [ 'aEb',
'bFb',
'bGb',
'aBa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 2 )
eq_( char_offset, 0 )
def ReplaceChunk_SingleToMultipleLinesReplace_2_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 1, 2, 1, 4 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'Eb\nbFb\nbGb',
0,
0,
result_buffer )
expected_buffer = [ 'aEb',
'bFb',
'bGb',
'aBa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 2 )
eq_( char_offset, 0 )
# now do a subsequent change (insert at end of line "1")
start, end = _BuildLocations( 1, 4, 1, 4 )
( new_line_offset, new_char_offset ) = vimsupport.ReplaceChunk(
start,
end,
'cccc',
line_offset,
char_offset,
result_buffer )
line_offset += new_line_offset
char_offset += new_char_offset
AssertBuffersAreEqualAsBytes( [ 'aEb',
'bFb',
'bGbcccc',
'aBa',
'aCa' ], result_buffer )
eq_( line_offset, 2 )
eq_( char_offset, 4 )
def ReplaceChunk_MultipleLinesToSingleLine_test():
result_buffer = [ 'aAa', 'aBa', 'aCaaaa' ]
start, end = _BuildLocations( 2, 2, 3, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'E',
0, 0, result_buffer )
expected_buffer = [ 'aAa', 'aECaaaa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, -1 )
eq_( char_offset, 1 )
# make another modification applying offsets
start, end = _BuildLocations( 3, 3, 3, 4 )
( new_line_offset, new_char_offset ) = vimsupport.ReplaceChunk(
start,
end,
'cccc',
line_offset,
char_offset,
result_buffer )
line_offset += new_line_offset
char_offset += new_char_offset
AssertBuffersAreEqualAsBytes( [ 'aAa',
'aECccccaaa' ], result_buffer )
eq_( line_offset, -1 )
eq_( char_offset, 4 )
# and another, for luck
start, end = _BuildLocations( 3, 4, 3, 5 )
( new_line_offset, new_char_offset ) = vimsupport.ReplaceChunk(
start,
end,
'dd\ndd',
line_offset,
char_offset,
result_buffer )
line_offset += new_line_offset
char_offset += new_char_offset
AssertBuffersAreEqualAsBytes( [ 'aAa',
'aECccccdd',
'ddaa' ], result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -2 )
def ReplaceChunk_MultipleLinesToSameMultipleLines_test():
result_buffer = [ 'aAa',
'aBa',
'aCa',
'aDe' ]
start, end = _BuildLocations( 2, 2, 3, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'Eb\nbF',
0, 0, result_buffer )
expected_buffer = [ 'aAa',
'aEb',
'bFCa',
'aDe' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 1 )
def ReplaceChunk_MultipleLinesToMoreMultipleLines_test():
result_buffer = [ 'aAa',
'aBa',
'aCa',
'aDe' ]
start, end = _BuildLocations( 2, 2, 3, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'Eb\nbFb\nbG',
0,
0,
result_buffer )
expected_buffer = [ 'aAa',
'aEb',
'bFb',
'bGCa',
'aDe' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 1 )
eq_( char_offset, 1 )
def ReplaceChunk_MultipleLinesToLessMultipleLines_test():
result_buffer = [ 'aAa',
'aBa',
'aCa',
'aDe' ]
start, end = _BuildLocations( 1, 2, 3, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'Eb\nbF',
0, 0, result_buffer )
expected_buffer = [ 'aEb', 'bFCa', 'aDe' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, -1 )
eq_( char_offset, 1 )
def ReplaceChunk_MultipleLinesToEvenLessMultipleLines_test():
result_buffer = [ 'aAa',
'aBa',
'aCa',
'aDe' ]
start, end = _BuildLocations( 1, 2, 4, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'Eb\nbF',
0, 0, result_buffer )
expected_buffer = [ 'aEb', 'bFDe' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, -2 )
eq_( char_offset, 1 )
def ReplaceChunk_SpanBufferEdge_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 1, 1, 1, 3 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'bDb',
0, 0, result_buffer )
expected_buffer = [ 'bDba',
'aBa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 1 )
def ReplaceChunk_DeleteTextInLine_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 2, 2, 2, 3 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, '',
0, 0, result_buffer )
expected_buffer = [ 'aAa',
'aa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, -1 )
def ReplaceChunk_AddTextInLine_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 2, 2, 2, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'bDb',
0, 0, result_buffer )
expected_buffer = [ 'aAa',
'abDbBa',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 3 )
def ReplaceChunk_ReplaceTextInLine_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 2, 2, 2, 3 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'bDb',
0, 0, result_buffer )
expected_buffer = [ 'aAa',
'abDba',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 2 )
def ReplaceChunk_SingleLineOffsetWorks_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 1, 1, 1, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'bDb',
1, 1, result_buffer )
expected_buffer = [ 'aAa',
'abDba',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 0 )
eq_( char_offset, 2 )
def ReplaceChunk_SingleLineToMultipleLinesOffsetWorks_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 1, 1, 1, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'Db\nE',
1, 1, result_buffer )
expected_buffer = [ 'aAa',
'aDb',
'Ea',
'aCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 1 )
eq_( char_offset, -1 )
def ReplaceChunk_MultipleLinesToSingleLineOffsetWorks_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 1, 1, 2, 2 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start, end, 'bDb',
1, 1, result_buffer )
expected_buffer = [ 'aAa',
'abDbCa' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, -1 )
eq_( char_offset, 3 )
def ReplaceChunk_MultipleLineOffsetWorks_test():
result_buffer = [ 'aAa',
'aBa',
'aCa' ]
start, end = _BuildLocations( 3, 1, 4, 3 )
( line_offset, char_offset ) = vimsupport.ReplaceChunk( start,
end,
'bDb\nbEb\nbFb',
-1,
1,
result_buffer )
expected_buffer = [ 'aAa',
'abDb',
'bEb',
'bFba' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
eq_( line_offset, 1 )
eq_( char_offset, 1 )
def _BuildLocations( start_line, start_column, end_line, end_column ):
return {
'line_num' : start_line,
'column_num': start_column,
}, {
'line_num' : end_line,
'column_num': end_column,
}
def ReplaceChunksInBuffer_SortedChunks_test():
chunks = [
_BuildChunk( 1, 4, 1, 4, '(' ),
_BuildChunk( 1, 11, 1, 11, ')' )
]
result_buffer = [ 'CT<10 >> 2> ct' ]
vimsupport.ReplaceChunksInBuffer( chunks, result_buffer, None )
expected_buffer = [ 'CT<(10 >> 2)> ct' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
def ReplaceChunksInBuffer_UnsortedChunks_test():
chunks = [
_BuildChunk( 1, 11, 1, 11, ')' ),
_BuildChunk( 1, 4, 1, 4, '(' )
]
result_buffer = [ 'CT<10 >> 2> ct' ]
vimsupport.ReplaceChunksInBuffer( chunks, result_buffer, None )
expected_buffer = [ 'CT<(10 >> 2)> ct' ]
AssertBuffersAreEqualAsBytes( expected_buffer, result_buffer )
@patch( 'ycm.vimsupport.VariableExists', return_value = False )
@patch( 'ycm.vimsupport.SetFittingHeightForCurrentWindow' )
@patch( 'ycm.vimsupport.GetBufferNumberForFilename',
return_value = 1,
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.BufferIsVisible',
return_value = True,
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.OpenFilename' )
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
@patch( 'vim.eval', new_callable = ExtendedMock )
@patch( 'vim.command', new_callable = ExtendedMock )
def ReplaceChunks_SingleFile_Open_test( vim_command,
vim_eval,
post_vim_message,
open_filename,
buffer_is_visible,
get_buffer_number_for_filename,
set_fitting_height,
variable_exists ):
single_buffer_name = os.path.realpath( 'single_file' )
chunks = [
_BuildChunk( 1, 1, 2, 1, 'replacement', single_buffer_name )
]
result_buffer = VimBuffer(
single_buffer_name,
contents = [
'line1',
'line2',
'line3'
]
)
with patch( 'vim.buffers', [ None, result_buffer, None ] ):
vimsupport.ReplaceChunks( chunks )
# Ensure that we applied the replacement correctly
eq_( result_buffer.GetLines(), [
'replacementline2',
'line3',
] )
# GetBufferNumberForFilename is called twice:
# - once to the check if we would require opening the file (so that we can
# raise a warning)
# - once whilst applying the changes
get_buffer_number_for_filename.assert_has_exact_calls( [
call( single_buffer_name, False ),
call( single_buffer_name, False ),
] )
# BufferIsVisible is called twice for the same reasons as above
buffer_is_visible.assert_has_exact_calls( [
call( 1 ),
call( 1 ),
] )
# we don't attempt to open any files
open_filename.assert_not_called()
# But we do set the quickfix list
vim_eval.assert_has_exact_calls( [
call( 'setqflist( {0} )'.format( json.dumps( [ {
'bufnr': 1,
'filename': single_buffer_name,
'lnum': 1,
'col': 1,
'text': 'replacement',
'type': 'F'
} ] ) ) ),
] )
vim_command.assert_has_exact_calls( [
call( 'botright copen' ),
call( 'silent! wincmd p' )
] )
set_fitting_height.assert_called_once_with()
# And it is ReplaceChunks that prints the message showing the number of
# changes
post_vim_message.assert_has_exact_calls( [
call( 'Applied 1 changes', warning = False ),
] )
@patch( 'ycm.vimsupport.VariableExists', return_value = False )
@patch( 'ycm.vimsupport.SetFittingHeightForCurrentWindow' )
@patch( 'ycm.vimsupport.GetBufferNumberForFilename',
side_effect = [ -1, -1, 1 ],
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.BufferIsVisible',
side_effect = [ False, False, True ],
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.OpenFilename',
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.PostVimMessage', new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.Confirm',
return_value = True,
new_callable = ExtendedMock )
@patch( 'vim.eval', return_value = 10, new_callable = ExtendedMock )
@patch( 'vim.command', new_callable = ExtendedMock )
def ReplaceChunks_SingleFile_NotOpen_test( vim_command,
vim_eval,
confirm,
post_vim_message,
open_filename,
buffer_is_visible,
get_buffer_number_for_filename,
set_fitting_height,
variable_exists ):
single_buffer_name = os.path.realpath( 'single_file' )
chunks = [
_BuildChunk( 1, 1, 2, 1, 'replacement', single_buffer_name )
]
result_buffer = VimBuffer(
single_buffer_name,
contents = [
'line1',
'line2',
'line3'
]
)
with patch( 'vim.buffers', [ None, result_buffer, None ] ):
vimsupport.ReplaceChunks( chunks )
# We checked if it was OK to open the file
confirm.assert_has_exact_calls( [
call( vimsupport.FIXIT_OPENING_BUFFERS_MESSAGE_FORMAT.format( 1 ) )
] )
# Ensure that we applied the replacement correctly
eq_( result_buffer.GetLines(), [
'replacementline2',
'line3',
] )
# GetBufferNumberForFilename is called 3 times. The return values are set in
# the @patch call above:
# - once to the check if we would require opening the file (so that we can
# raise a warning) (-1 return)
# - once whilst applying the changes (-1 return)
# - finally after calling OpenFilename (1 return)
get_buffer_number_for_filename.assert_has_exact_calls( [
call( single_buffer_name, False ),
call( single_buffer_name, False ),
call( single_buffer_name, False ),
] )
# BufferIsVisible is called 3 times for the same reasons as above, with the
# return of each one
buffer_is_visible.assert_has_exact_calls( [
call( -1 ),
call( -1 ),
call( 1 ),
] )
# We open 'single_file' as expected.
open_filename.assert_called_with( single_buffer_name, {
'focus': True,
'fix': True,
'size': 10
} )
# And close it again, then show the quickfix window.
vim_command.assert_has_exact_calls( [
call( 'lclose' ),
call( 'hide' ),
call( 'botright copen' ),
call( 'silent! wincmd p' )
] )
set_fitting_height.assert_called_once_with()
# And update the quickfix list
vim_eval.assert_has_exact_calls( [
call( '&previewheight' ),
call( 'setqflist( {0} )'.format( json.dumps( [ {
'bufnr': 1,
'filename': single_buffer_name,
'lnum': 1,
'col': 1,
'text': 'replacement',
'type': 'F'
} ] ) ) ),
] )
# And it is ReplaceChunks that prints the message showing the number of
# changes
post_vim_message.assert_has_exact_calls( [
call( 'Applied 1 changes', warning = False ),
] )
@patch( 'ycm.vimsupport.GetBufferNumberForFilename',
side_effect = [ -1, -1, 1 ],
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.BufferIsVisible',
side_effect = [ False, False, True ],
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.OpenFilename',
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.PostVimMessage',
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.Confirm',
return_value = False,
new_callable = ExtendedMock )
@patch( 'vim.eval',
return_value = 10,
new_callable = ExtendedMock )
@patch( 'vim.command', new_callable = ExtendedMock )
def ReplaceChunks_User_Declines_To_Open_File_test(
vim_command,
vim_eval,
confirm,
post_vim_message,
open_filename,
buffer_is_visible,
get_buffer_number_for_filename ):
# Same as above, except the user selects Cancel when asked if they should
# allow us to open lots of (ahem, 1) file.
single_buffer_name = os.path.realpath( 'single_file' )
chunks = [
_BuildChunk( 1, 1, 2, 1, 'replacement', single_buffer_name )
]
result_buffer = VimBuffer(
single_buffer_name,
contents = [
'line1',
'line2',
'line3'
]
)
with patch( 'vim.buffers', [ None, result_buffer, None ] ):
vimsupport.ReplaceChunks( chunks )
# We checked if it was OK to open the file
confirm.assert_has_exact_calls( [
call( vimsupport.FIXIT_OPENING_BUFFERS_MESSAGE_FORMAT.format( 1 ) )
] )
# Ensure that buffer is not changed
eq_( result_buffer.GetLines(), [
'line1',
'line2',
'line3',
] )
# GetBufferNumberForFilename is called once. The return values are set in
# the @patch call above:
# - once to the check if we would require opening the file (so that we can
# raise a warning) (-1 return)
get_buffer_number_for_filename.assert_has_exact_calls( [
call( single_buffer_name, False ),
] )
# BufferIsVisible is called once for the above file, which wasn't visible.
buffer_is_visible.assert_has_exact_calls( [
call( -1 ),
] )
# We don't attempt to open any files or update any quickfix list or anything
# like that
open_filename.assert_not_called()
vim_eval.assert_not_called()
vim_command.assert_not_called()
post_vim_message.assert_not_called()
@patch( 'ycm.vimsupport.GetBufferNumberForFilename',
side_effect = [ -1, -1, 1 ],
new_callable = ExtendedMock )
# Key difference is here: In the final check, BufferIsVisible returns False
@patch( 'ycm.vimsupport.BufferIsVisible',
side_effect = [ False, False, False ],
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.OpenFilename',
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.PostVimMessage',
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.Confirm',
return_value = True,
new_callable = ExtendedMock )
@patch( 'vim.eval',
return_value = 10,
new_callable = ExtendedMock )
@patch( 'vim.command',
new_callable = ExtendedMock )
def ReplaceChunks_User_Aborts_Opening_File_test(
vim_command,
vim_eval,
confirm,
post_vim_message,
open_filename,
buffer_is_visible,
get_buffer_number_for_filename ):
# Same as above, except the user selects Abort or Quick during the
# "swap-file-found" dialog
single_buffer_name = os.path.realpath( 'single_file' )
chunks = [
_BuildChunk( 1, 1, 2, 1, 'replacement', single_buffer_name )
]
result_buffer = VimBuffer(
single_buffer_name,
contents = [
'line1',
'line2',
'line3'
]
)
with patch( 'vim.buffers', [ None, result_buffer, None ] ):
assert_that( calling( vimsupport.ReplaceChunks ).with_args( chunks ),
raises( RuntimeError,
'Unable to open file: .+single_file\n'
'FixIt/Refactor operation aborted prior to completion. '
'Your files have not been fully updated. '
'Please use undo commands to revert the applied changes.' ) )
# We checked if it was OK to open the file
confirm.assert_has_exact_calls( [
call( vimsupport.FIXIT_OPENING_BUFFERS_MESSAGE_FORMAT.format( 1 ) )
] )
# Ensure that buffer is not changed
eq_( result_buffer.GetLines(), [
'line1',
'line2',
'line3',
] )
# We tried to open this file
open_filename.assert_called_with( single_buffer_name, {
'focus': True,
'fix': True,
'size': 10
} )
vim_eval.assert_called_with( "&previewheight" )
# But raised an exception before issuing the message at the end
post_vim_message.assert_not_called()
@patch( 'ycm.vimsupport.VariableExists', return_value = False )
@patch( 'ycm.vimsupport.SetFittingHeightForCurrentWindow' )
@patch( 'ycm.vimsupport.GetBufferNumberForFilename', side_effect = [
22, # first_file (check)
-1, # second_file (check)
22, # first_file (apply)
-1, # second_file (apply)
19, # second_file (check after open)
],
new_callable = ExtendedMock )
@patch( 'ycm.vimsupport.BufferIsVisible', side_effect = [
True, # first_file (check)
False, # second_file (check)
True, # first_file (apply)
False, # second_file (apply)
True, # side_effect (check after open)
],
new_callable = ExtendedMock)
@patch( 'ycm.vimsupport.OpenFilename',
new_callable = ExtendedMock)
@patch( 'ycm.vimsupport.PostVimMessage',
new_callable = ExtendedMock)
@patch( 'ycm.vimsupport.Confirm', return_value = True,
new_callable = ExtendedMock)
@patch( 'vim.eval', return_value = 10,
new_callable = ExtendedMock)
@patch( 'vim.command',
new_callable = ExtendedMock)
def ReplaceChunks_MultiFile_Open_test( vim_command,
vim_eval,
confirm,
post_vim_message,
open_filename,
buffer_is_visible,
get_buffer_number_for_filename,
set_fitting_height,
variable_exists ):
# Chunks are split across 2 files, one is already open, one isn't
first_buffer_name = os.path.realpath( '1_first_file' )
second_buffer_name = os.path.realpath( '2_second_file' )
chunks = [
_BuildChunk( 1, 1, 2, 1, 'first_file_replacement ', first_buffer_name ),
_BuildChunk( 2, 1, 2, 1, 'second_file_replacement ', second_buffer_name ),
]
first_file = VimBuffer(
first_buffer_name,
number = 22,
contents = [
'line1',
'line2',
'line3',
]
)
second_file = VimBuffer(
second_buffer_name,
number = 19,
contents = [
'another line1',
'ACME line2',
]
)
vim_buffers = [ None ] * 23
vim_buffers[ 22 ] = first_file
vim_buffers[ 19 ] = second_file
with patch( 'vim.buffers', vim_buffers ):
vimsupport.ReplaceChunks( chunks )
# We checked for the right file names
get_buffer_number_for_filename.assert_has_exact_calls( [
call( first_buffer_name, False ),
call( second_buffer_name, False ),
call( first_buffer_name, False ),
call( second_buffer_name, False ),
call( second_buffer_name, False ),
] )
# We checked if it was OK to open the file
confirm.assert_has_exact_calls( [
call( vimsupport.FIXIT_OPENING_BUFFERS_MESSAGE_FORMAT.format( 1 ) )
] )
# Ensure that buffers are updated
eq_( second_file.GetLines(), [
'another line1',
'second_file_replacement ACME line2',
] )
eq_( first_file.GetLines(), [
'first_file_replacement line2',
'line3',
] )
# We open '2_second_file' as expected.
open_filename.assert_called_with( second_buffer_name, {
'focus': True,
'fix': True,
'size': 10
} )
# And close it again, then show the quickfix window.
vim_command.assert_has_exact_calls( [
call( 'lclose' ),
call( 'hide' ),
call( 'botright copen' ),
call( 'silent! wincmd p' )
] )
set_fitting_height.assert_called_once_with()
# And update the quickfix list with each entry
vim_eval.assert_has_exact_calls( [
call( '&previewheight' ),
call( 'setqflist( {0} )'.format( json.dumps( [ {
'bufnr': 22,
'filename': first_buffer_name,
'lnum': 1,
'col': 1,
'text': 'first_file_replacement ',
'type': 'F'
}, {
'bufnr': 19,
'filename': second_buffer_name,
'lnum': 2,
'col': 1,
'text': 'second_file_replacement ',
'type': 'F'
} ] ) ) ),
] )
# And it is ReplaceChunks that prints the message showing the number of
# changes
post_vim_message.assert_has_exact_calls( [
call( 'Applied 2 changes', warning = False ),
] )
def _BuildChunk( start_line,
start_column,
end_line,
end_column,
replacement_text, filepath='test_file_name' ):
return {
'range': {
'start': {
'filepath': filepath,
'line_num': start_line,
'column_num': start_column,
},
'end': {
'filepath': filepath,
'line_num': end_line,
'column_num': end_column,
},
},
'replacement_text': replacement_text
}
@patch( 'vim.eval', new_callable = ExtendedMock )
def AddDiagnosticSyntaxMatch_ErrorInMiddleOfLine_test( vim_eval ):
current_buffer = VimBuffer(
'some_file',
contents = [ 'Highlight this error please' ]
)
with patch( 'vim.current.buffer', current_buffer ):
vimsupport.AddDiagnosticSyntaxMatch( 1, 16, 1, 21 )
vim_eval.assert_called_once_with(
r"matchadd('YcmErrorSection', '\%1l\%16c\_.\{-}\%1l\%21c')" )
@patch( 'vim.eval', new_callable = ExtendedMock )
def AddDiagnosticSyntaxMatch_WarningAtEndOfLine_test( vim_eval ):
current_buffer = VimBuffer(
'some_file',
contents = [ 'Highlight this warning' ]
)
with patch( 'vim.current.buffer', current_buffer ):
vimsupport.AddDiagnosticSyntaxMatch( 1, 16, 1, 23, is_error = False )
vim_eval.assert_called_once_with(
r"matchadd('YcmWarningSection', '\%1l\%16c\_.\{-}\%1l\%23c')" )
@patch( 'vim.command', new_callable=ExtendedMock )
@patch( 'vim.current', new_callable=ExtendedMock)
def WriteToPreviewWindow_test( vim_current, vim_command ):
vim_current.window.options.__getitem__ = MagicMock( return_value = True )
vimsupport.WriteToPreviewWindow( "test" )
vim_command.assert_has_exact_calls( [
call( 'silent! pclose!' ),
call( 'silent! pedit! _TEMP_FILE_' ),
call( 'silent! wincmd P' ),
call( 'silent! wincmd p' ) ] )
vim_current.buffer.__setitem__.assert_called_with(
slice( None, None, None ), [ 'test' ] )
vim_current.buffer.options.__setitem__.assert_has_exact_calls( [
call( 'modifiable', True ),
call( 'readonly', False ),
call( 'buftype', 'nofile' ),
call( 'bufhidden', 'wipe' ),
call( 'buflisted', False ),
call( 'swapfile', False ),
call( 'modifiable', False ),
call( 'modified', False ),
call( 'readonly', True ),
], any_order = True )
@patch( 'vim.current' )
def WriteToPreviewWindow_MultiLine_test( vim_current ):
vim_current.window.options.__getitem__ = MagicMock( return_value = True )
vimsupport.WriteToPreviewWindow( "test\ntest2" )
vim_current.buffer.__setitem__.assert_called_with(
slice( None, None, None ), [ 'test', 'test2' ] )
@patch( 'vim.command', new_callable=ExtendedMock )
@patch( 'vim.current', new_callable=ExtendedMock )
def WriteToPreviewWindow_JumpFail_test( vim_current, vim_command ):
vim_current.window.options.__getitem__ = MagicMock( return_value = False )
vimsupport.WriteToPreviewWindow( "test" )
vim_command.assert_has_exact_calls( [
call( 'silent! pclose!' ),
call( 'silent! pedit! _TEMP_FILE_' ),
call( 'silent! wincmd P' ),
call( 'redraw' ),
call( "echo 'test'" ),
] )
vim_current.buffer.__setitem__.assert_not_called()
vim_current.buffer.options.__setitem__.assert_not_called()
@patch( 'vim.command', new_callable=ExtendedMock )
@patch( 'vim.current', new_callable=ExtendedMock )
def WriteToPreviewWindow_JumpFail_MultiLine_test( vim_current, vim_command ):
vim_current.window.options.__getitem__ = MagicMock( return_value = False )
vimsupport.WriteToPreviewWindow( "test\ntest2" )
vim_command.assert_has_exact_calls( [
call( 'silent! pclose!' ),
call( 'silent! pedit! _TEMP_FILE_' ),
call( 'silent! wincmd P' ),
call( 'redraw' ),
call( "echo 'test'" ),
call( "echo 'test2'" ),
] )
vim_current.buffer.__setitem__.assert_not_called()
vim_current.buffer.options.__setitem__.assert_not_called()
def BufferIsVisibleForFilename_test():
vim_buffers = [
VimBuffer( 'visible_filename', number = 1, window = 1 ),
VimBuffer( 'hidden_filename', number = 2, window = None )
]
with patch( 'vim.buffers', vim_buffers ):
eq_( vimsupport.BufferIsVisibleForFilename( 'visible_filename' ), True )
eq_( vimsupport.BufferIsVisibleForFilename( 'hidden_filename' ), False )
eq_( vimsupport.BufferIsVisibleForFilename( 'another_filename' ), False )
@patch( 'vim.command',
side_effect = MockVimCommand,
new_callable = ExtendedMock )
def CloseBuffersForFilename_test( vim_command, *args ):
vim_buffers = [
VimBuffer( 'some_filename', number = 2 ),
VimBuffer( 'some_filename', number = 5 )
]
with patch( 'vim.buffers', vim_buffers ):
vimsupport.CloseBuffersForFilename( 'some_filename' )
vim_command.assert_has_exact_calls( [
call( 'silent! bwipeout! 2' ),
call( 'silent! bwipeout! 5' )
], any_order = True )
@patch( 'vim.command', new_callable = ExtendedMock )
@patch( 'vim.current', new_callable = ExtendedMock )
def OpenFilename_test( vim_current, vim_command ):
# Options used to open a logfile.
options = {
'size': vimsupport.GetIntValue( '&previewheight' ),
'fix': True,
'focus': False,
'watch': True,
'position': 'end'
}
vimsupport.OpenFilename( __file__, options )
vim_command.assert_has_exact_calls( [
call( '12split {0}'.format( __file__ ) ),
call( "exec "
"'au BufEnter <buffer> :silent! checktime {0}'".format( __file__ ) ),
call( 'silent! normal G zz' ),
call( 'silent! wincmd p' )
] )
vim_current.buffer.options.__setitem__.assert_has_exact_calls( [
call( 'autoread', True ),
] )
vim_current.window.options.__setitem__.assert_has_exact_calls( [
call( 'winfixheight', True )
] )
def GetUnsavedAndSpecifiedBufferData_EncodedUnicodeCharsInBuffers_test():
filepath = os.path.realpath( 'filename' )
contents = [ ToBytes( u'abc' ), ToBytes( u'fДa' ) ]
vim_buffer = VimBuffer( filepath, contents = contents )
with patch( 'vim.buffers', [ vim_buffer ] ):
assert_that( vimsupport.GetUnsavedAndSpecifiedBufferData( filepath ),
has_entry( filepath,
has_entry( u'contents', u'abc\nfДa\n' ) ) )
def GetBufferFilepath_NoBufferName_UnicodeWorkingDirectory_test():
vim_buffer = VimBuffer( '', number = 42 )
unicode_dir = PathToTestFile( u'uni¢𐍈d€' )
with CurrentWorkingDirectory( unicode_dir ):
assert_that( vimsupport.GetBufferFilepath( vim_buffer ),
equal_to( os.path.join( unicode_dir, '42' ) ) )
# NOTE: Vim returns byte offsets for columns, not actual character columns. This
# makes 'ДД' have 4 columns: column 0, column 2 and column 4.
@patch( 'vim.current.line', ToBytes( 'ДДaa' ) )
@patch( 'ycm.vimsupport.CurrentColumn', side_effect = [ 4 ] )
def TextBeforeCursor_EncodedUnicode_test( *args ):
eq_( vimsupport.TextBeforeCursor(), u'ДД' )
# NOTE: Vim returns byte offsets for columns, not actual character columns. This
# makes 'ДД' have 4 columns: column 0, column 2 and column 4.
@patch( 'vim.current.line', ToBytes( 'aaДД' ) )
@patch( 'ycm.vimsupport.CurrentColumn', side_effect = [ 2 ] )
def TextAfterCursor_EncodedUnicode_test( *args ):
eq_( vimsupport.TextAfterCursor(), u'ДД' )
@patch( 'vim.current.line', ToBytes( 'fДa' ) )
def CurrentLineContents_EncodedUnicode_test( *args ):
eq_( vimsupport.CurrentLineContents(), u'fДa' )
@patch( 'vim.eval', side_effect = lambda x: x )
def VimExpressionToPythonType_IntAsUnicode_test( *args ):
eq_( vimsupport.VimExpressionToPythonType( '123' ), 123 )
@patch( 'vim.eval', side_effect = lambda x: x )
def VimExpressionToPythonType_IntAsBytes_test( *args ):
eq_( vimsupport.VimExpressionToPythonType( ToBytes( '123' ) ), 123 )
@patch( 'vim.eval', side_effect = lambda x: x )
def VimExpressionToPythonType_StringAsUnicode_test( *args ):
eq_( vimsupport.VimExpressionToPythonType( 'foo' ), 'foo' )
@patch( 'vim.eval', side_effect = lambda x: x )
def VimExpressionToPythonType_StringAsBytes_test( *args ):
eq_( vimsupport.VimExpressionToPythonType( ToBytes( 'foo' ) ), 'foo' )
@patch( 'vim.eval', side_effect = lambda x: x )
def VimExpressionToPythonType_ListPassthrough_test( *args ):
eq_( vimsupport.VimExpressionToPythonType( [ 1, 2 ] ), [ 1, 2 ] )
@patch( 'vim.eval', side_effect = lambda x: x )
def VimExpressionToPythonType_ObjectPassthrough_test( *args ):
eq_( vimsupport.VimExpressionToPythonType( { 1: 2 } ), { 1: 2 } )
@patch( 'vim.eval', side_effect = lambda x: x )
def VimExpressionToPythonType_GeneratorPassthrough_test( *args ):
gen = ( x**2 for x in [ 1, 2, 3 ] )
eq_( vimsupport.VimExpressionToPythonType( gen ), gen )
@patch( 'vim.eval',
new_callable = ExtendedMock,
side_effect = [ None, 2, None ] )
def SelectFromList_LastItem_test( vim_eval ):
eq_( vimsupport.SelectFromList( 'test', [ 'a', 'b' ] ),
1 )
vim_eval.assert_has_exact_calls( [
call( 'inputsave()' ),
call( 'inputlist( ["test", "1: a", "2: b"] )' ),
call( 'inputrestore()' )
] )
@patch( 'vim.eval',
new_callable = ExtendedMock,
side_effect = [ None, 1, None ] )
def SelectFromList_FirstItem_test( vim_eval ):
eq_( vimsupport.SelectFromList( 'test', [ 'a', 'b' ] ),
0 )
vim_eval.assert_has_exact_calls( [
call( 'inputsave()' ),
call( 'inputlist( ["test", "1: a", "2: b"] )' ),
call( 'inputrestore()' )
] )
@patch( 'vim.eval', side_effect = [ None, 3, None ] )
def SelectFromList_OutOfRange_test( vim_eval ):
assert_that( calling( vimsupport.SelectFromList).with_args( 'test',
[ 'a', 'b' ] ),
raises( RuntimeError, vimsupport.NO_SELECTION_MADE_MSG ) )
@patch( 'vim.eval', side_effect = [ None, 0, None ] )
def SelectFromList_SelectPrompt_test( vim_eval ):
assert_that( calling( vimsupport.SelectFromList ).with_args( 'test',
[ 'a', 'b' ] ),
raises( RuntimeError, vimsupport.NO_SELECTION_MADE_MSG ) )
@patch( 'vim.eval', side_effect = [ None, -199, None ] )
def SelectFromList_Negative_test( vim_eval ):
assert_that( calling( vimsupport.SelectFromList ).with_args( 'test',
[ 'a', 'b' ] ),
raises( RuntimeError, vimsupport.NO_SELECTION_MADE_MSG ) )
@patch( 'ycm.vimsupport.VariableExists', return_value = False )
@patch( 'ycm.vimsupport.SearchInCurrentBuffer', return_value = 0 )
@patch( 'vim.current' )
def InsertNamespace_insert_test( vim_current, *args ):
contents = [ '',
'namespace Taqueria {',
'',
' int taco = Math' ]
vim_current.buffer = VimBuffer( '', contents = contents )
vimsupport.InsertNamespace( 'System' )
expected_buffer = [ 'using System;',
'',
'namespace Taqueria {',
'',
' int taco = Math' ]
AssertBuffersAreEqualAsBytes( expected_buffer, vim_current.buffer )
@patch( 'ycm.vimsupport.VariableExists', return_value = False )
@patch( 'ycm.vimsupport.SearchInCurrentBuffer', return_value = 2 )
@patch( 'vim.current' )
def InsertNamespace_append_test( vim_current, *args ):
contents = [ 'namespace Taqueria {',
' using System;',
'',
' class Tasty {',
' int taco;',
' List salad = new List' ]
vim_current.buffer = VimBuffer( '', contents = contents )
vimsupport.InsertNamespace( 'System.Collections' )
expected_buffer = [ 'namespace Taqueria {',
' using System;',
' using System.Collections;',
'',
' class Tasty {',
' int taco;',
' List salad = new List' ]
AssertBuffersAreEqualAsBytes( expected_buffer, vim_current.buffer )