While writing tests for my completion plugin (MUcomplete), I have
encountered some difficulty related to testing the auto-completion
functionality, which I try to reproduce below without my plugin, using
only core Vim commands.
I am not sure I have found the culprit yet, but I would appreciate if
someone could help me figure out the results of the following tests:
fun! s:act_on_pumvisible()
if pumvisible()
return "\<c-p>"
else
return "X"
endif
endf
let s:char_pressed = 0
fun! s:act_on_textchangedi()
if s:char_pressed
let s:char_pressed = 0
call feedkeys("\<c-x>\<c-n>", 'i')
endif
endf
fun! Test_FOO_test_autocomplete_h_ctrlp()
set completeopt=menu,noselect
new
autocmd! InsertCharPre <buffer> let s:char_pressed = (v:char ==# 'h')
autocmd! TextChangedI <buffer> call <sid>act_on_textchangedi()
call setline(1, ['hoard', 'hoax', 'hoarse', ''])
let l:expected = ['hoard', 'hoax', 'hoarse', 'hoax', 'hoax']
call cursor(4,1)
call test_override("char_avail", 1)
call feedkeys("Ah\<c-p>\<c-p>\<c-y>\<esc>", 'tx')
call feedkeys("oho\<c-p>\<c-p>\<c-y>\<esc>", 'tx')
call assert_equal(l:expected, getline(1,'$'))
call test_override("char_avail", 0)
bwipe!
set completeopt&
endf
fun! Test_FOO_test_autocomplete_o_ctrlp()
set completeopt=menu,noselect
new
autocmd! InsertCharPre <buffer> let s:char_pressed = (v:char ==# 'o')
autocmd! TextChangedI <buffer> call <sid>act_on_textchangedi()
call setline(1, ['hoard', 'hoax', 'hoarse', ''])
let l:expected = ['hoard', 'hoax', 'hoarse', 'hoax']
call cursor(4,1)
call test_override("char_avail", 1)
call feedkeys("Aho\<c-p>\<c-p>\<c-y>\<esc>", 'tx')
call assert_equal(l:expected, getline(1,'$'))
call test_override("char_avail", 0)
bwipe!
set completeopt&
endf
fun! Test_FOO_test_complete_h_tab()
set completeopt=menu,noselect
new
imap <expr> <buffer> <tab> <sid>act_on_pumvisible()
autocmd! InsertCharPre <buffer> let s:char_pressed = (v:char ==# 'h')
autocmd! TextChangedI <buffer> call <sid>act_on_textchangedi()
call setline(1, ['hoard', 'hoax', 'hoarse', ''])
let l:expected = ['hoard', 'hoax', 'hoarse', 'hoax']
call cursor(4,1)
call test_override("char_avail", 1)
call feedkeys("Ah\<tab>\<tab>\<c-y>\<esc>", 'tx')
call feedkeys("oho\<tab>\<tab>\<c-y>\<esc>", 'tx')
call assert_equal(l:expected, getline(1,'$'))
call test_override("char_avail", 0)
bwipe!
set completeopt&
endf
fun! Test_FOO_test_complete_o_tab()
set completeopt=menu,noselect
new
imap <expr> <buffer> <tab> <sid>act_on_pumvisible()
autocmd! InsertCharPre <buffer> let s:char_pressed = (v:char ==# 'o')
autocmd! TextChangedI <buffer> call <sid>act_on_textchangedi()
call setline(1, ['hoard', 'hoax', 'hoarse', ''])
let l:expected = ['hoard', 'hoax', 'hoarse', 'hoax']
call cursor(4,1)
call test_override("char_avail", 1)
call feedkeys("Aho\<tab>\<tab>\<c-y>\<esc>", 'tx')
call assert_equal(l:expected, getline(1,'$'))
call test_override("char_avail", 0)
bwipe!
set completeopt&
endf
fun! Test_FOO_test_complete_ho_tab()
set completeopt=menu,noselect
new
imap <expr> <buffer> <tab> <sid>act_on_pumvisible()
autocmd! InsertCharPre <buffer> let s:char_pressed = (v:char ==# 'h')
autocmd! TextChangedI <buffer> call <sid>act_on_textchangedi()
call setline(1, ['hoard', 'hoax', 'hoarse', ''])
let l:expected = ['hoard', 'hoax', 'hoarse', 'hoax']
call cursor(4,1)
call test_override("char_avail", 1)
call feedkeys("Aho\<tab>\<tab>\<c-y>\<esc>", 'tx')
call assert_equal(l:expected, getline(1,'$'))
call test_override("char_avail", 0)
bwipe!
set completeopt&
endf
The result is:
Test_FOO_test_autocomplete_h_ctrlp()… ok
Test_FOO_test_autocomplete_o_ctrlp()… ok
Test_FOO_test_complete_h_tab()… FAILED
Test_FOO_test_complete_ho_tab()… ok
Test_FOO_test_complete_o_tab()… FAILED
Run 5 tests
2 tests failed
Test_FOO_test_complete_h_tab()
function RunBabyRun[8]..RunTheTest[4]..Test_FOO_test_complete_h_tab line
12: Expected ['hoard', 'hoax', 'hoarse', 'hoax'] but got ['hoard',
'hoax', 'hoarse', 'hXXr', 'hoax']
Test_FOO_test_complete_o_tab()
function RunBabyRun[8]..RunTheTest[4]..Test_FOO_test_complete_o_tab line
11: Expected ['hoard', 'hoax', 'hoarse', 'hoax'] but got ['hoard',
'hoax', 'hoarse', 'hoXXs']
For the life of me (pun intended), I don't understand why those two
tests fail... Any idea?
Thanks,
Life.
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