1  Before:
 2    Save g:ale_buffer_info
 3    Save &filetype
 4    Save g:ale_set_lists_synchronously
 5  
 6    let g:ale_set_lists_synchronously = 1
 7  
 8    " Set up items in other buffers which should set in this one.
 9    let g:ale_buffer_info = {}
10    call ale#engine#InitBufferInfo(bufnr('') + 1)
11    let g:ale_buffer_info[bufnr('') + 1].loclist =
12    \ ale#engine#FixLocList(bufnr('') + 1, 'linter_one', 0, [
13    \   {'lnum': 1, 'filename': expand('%:p'), 'text': 'foo'},
14    \   {'lnum': 2, 'filename': expand('%:p'), 'text': 'bar'},
15    \   {'lnum': 2, 'text': 'ignore this one'},
16    \ ])
17    call ale#engine#InitBufferInfo(bufnr('') + 2)
18    let g:ale_buffer_info[bufnr('') + 2].loclist =
19    \ ale#engine#FixLocList(bufnr('') + 2, 'linter_one', 0, [
20    \   {'lnum': 1, 'filename': expand('%:p'), 'text': 'foo'},
21    \   {'lnum': 3, 'filename': expand('%:p'), 'text': 'baz'},
22    \   {'lnum': 5, 'text': 'ignore this one'},
23    \ ])
24  
25    call ale#linter#Define('foobar', {
26    \ 'name': 'linter_one',
27    \ 'callback': 'WhoCares',
28    \ 'executable': 'echo',
29    \ 'command': 'sleep 1000',
30    \ 'lint_file': 1,
31    \})
32  
33  After:
34    call ale#engine#Cleanup(bufnr(''))
35    Restore
36    call ale#linter#Reset()
37  
38    " Items and markers, etc.
39    call setloclist(0, [])
40    call clearmatches()
41    call ale#sign#Clear()
42  
43  Given foobar(A file with some lines):
44    foo
45    bar
46    baz
47  
48  Execute(Problems found from previously opened buffers should be set when linting for the first time):
49    call ale#engine#RunLinters(bufnr(''), ale#linter#Get(&filetype), 0)
50  
51    AssertEqual
52    \ [
53    \   {
54    \     'lnum': 1,
55    \     'bufnr': bufnr(''),
56    \     'col': 0,
57    \     'filename': expand('%:p'),
58    \     'linter_name': 'linter_one',
59    \     'nr': -1,
60    \     'type': 'E',
61    \     'vcol': 0,
62    \     'text': 'foo',
63    \     'sign_id': 1000001,
64    \   },
65    \   {
66    \     'lnum': 2,
67    \     'bufnr': bufnr(''),
68    \     'col': 0,
69    \     'filename': expand('%:p'),
70    \     'linter_name': 'linter_one',
71    \     'nr': -1,
72    \     'type': 'E',
73    \     'vcol': 0,
74    \     'text': 'bar',
75    \     'sign_id': 1000002,
76    \   },
77    \   {
78    \     'lnum': 3,
79    \     'bufnr': bufnr(''),
80    \     'col': 0,
81    \     'filename': expand('%:p'),
82    \     'linter_name': 'linter_one',
83    \     'nr': -1,
84    \     'type': 'E',
85    \     'vcol': 0,
86    \     'text': 'baz',
87    \     'sign_id': 1000003,
88    \   },
89    \ ],
90    \ g:ale_buffer_info[bufnr('')].loclist
91  
92    AssertEqual
93    \ [
94    \   {'lnum': 1, 'bufnr': bufnr(''), 'col': 0, 'valid': 1, 'vcol': 0, 'nr': -1, 'type': 'E', 'pattern': '', 'text': 'foo'},
95    \   {'lnum': 2, 'bufnr': bufnr(''), 'col': 0, 'valid': 1, 'vcol': 0, 'nr': -1, 'type': 'E', 'pattern': '', 'text': 'bar'},
96    \   {'lnum': 3, 'bufnr': bufnr(''), 'col': 0, 'valid': 1, 'vcol': 0, 'nr': -1, 'type': 'E', 'pattern': '', 'text': 'baz'},
97    \ ],
98    \ ale#test#GetLoclistWithoutNewerKeys()