1  Before:
 2    unlet! b:ale_completion_info
 3    unlet! b:ale_completion_result
 4  
 5    let b:lsp_started = 0
 6  
 7    runtime autoload/ale/lsp_linter.vim
 8  
 9    function! ale#lsp_linter#StartLSP(buffer, linter, Callback) abort
10      return b:lsp_started
11    endfunction
12  
13    function! SetCompletionResult(...) abort
14      let b:ale_completion_result = ['foo']
15    endfunction
16  
17    function! SetCompletionResponse(...) abort
18      let b:ale_completion_result = ['foo']
19    endfunction
20  
21  After:
22    unlet! b:ale_completion_info
23    unlet! b:ale_completion_result
24    unlet! b:lsp_started
25  
26    delfunction SetCompletionResult
27    delfunction SetCompletionResponse
28  
29    runtime autoload/ale/lsp_linter.vim
30  
31    call ale#linter#Reset()
32  
33  Given typescript():
34    let abc = y.
35    let foo = ab
36    let foo = (ab)
37  
38  Execute(-3 should be returned when completion results cannot be requested):
39    AssertEqual -3, ale#completion#OmniFunc(1, '')
40  
41  Execute(The start position should be returned when results can be requested):
42    let b:lsp_started = 1
43    call setpos('.', [bufnr(''), 3, 14, 0])
44  
45    AssertEqual 11, ale#completion#OmniFunc(1, '')
46  
47  Execute(The omnifunc function should return async results):
48    " Neovim struggles at running these tests.
49    if !has('nvim')
50      call timer_start(0, function('SetCompletionResult'))
51  
52      AssertEqual ['foo'], ale#completion#OmniFunc(0, '')
53    endif
54  
55  Execute(The omnifunc function should parse and return async responses):
56    if !has('nvim')
57      call timer_start(0, function('SetCompletionResponse'))
58  
59      AssertEqual ['foo'], ale#completion#OmniFunc(0, '')
60    endif