1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
Before:
function! CollectResults(buffer, output)
return []
endfunction
function! FirstChainFunction(buffer)
return 'first'
endfunction
function! SecondChainFunction(buffer, output)
" We'll skip this command
return ''
endfunction
function! ThirdChainFunction(buffer, output)
return 'third'
endfunction
function! FourthChainFunction(buffer, output)
return 'fourth'
endfunction
let g:linter = {
\ 'name': 'testlinter',
\ 'callback': 'CollectResults',
\ 'executable': 'echo',
\ 'command_chain': [
\ {'callback': 'FirstChainFunction'},
\ {'callback': 'SecondChainFunction'},
\ {'callback': 'ThirdChainFunction'},
\ {'callback': 'FourthChainFunction'},
\ ],
\ 'read_buffer': 1,
\}
function! ProcessIndex(chain_index)
let [l:command, l:options] = ale#engine#ProcessChain(347, '', g:linter, a:chain_index, [])
let l:options.command = l:command
return l:options
endfunction
After:
delfunction CollectResults
delfunction FirstChainFunction
delfunction SecondChainFunction
delfunction ThirdChainFunction
delfunction ProcessIndex
unlet! g:linter
unlet! g:result
Execute(Engine invocation should return the command for the first item correctly):
let g:result = ProcessIndex(0)
AssertEqual 'first', g:result.command
AssertEqual 1, g:result.next_chain_index
Execute(Engine invocation should return the command for the second item correctly):
let g:result = ProcessIndex(1)
AssertEqual 'third', g:result.command
AssertEqual 3, g:result.next_chain_index
Execute(Engine invocation should return the command for the fourth item correctly):
let g:result = ProcessIndex(3)
AssertEqual 'fourth', g:result.command
AssertEqual 4, g:result.next_chain_index
Execute(Engine invocation should allow read_buffer to be enabled for a command in the middle of a chain):
let g:linter.command_chain[2].read_buffer = 1
let g:result = ProcessIndex(2)
AssertEqual g:result.command, 'third'
AssertEqual g:result.read_buffer, 1
Execute(Engine invocation should allow read_buffer to be disabled for the end of a chain):
let g:linter.command_chain[3].read_buffer = 0
let g:result = ProcessIndex(3)
AssertEqual g:result.command, 'fourth'
AssertEqual g:result.read_buffer, 0
Execute(Engine invocation should not use read_buffer from earlier items in a chain):
let g:linter.command_chain[1].read_buffer = 1
let g:result = ProcessIndex(1)
AssertEqual g:result.command, 'third'
AssertEqual g:result.read_buffer, 0
Execute(Engine invocation should allow the output_stream setting to be changed in the middle of a chain):
let g:linter.command_chain[2].output_stream = 'both'
let g:result = ProcessIndex(2)
AssertEqual g:result.command, 'third'
AssertEqual g:result.output_stream, 'both'
Execute(Engine invocation should not use output_stream from earlier items in a chain):
let g:linter.command_chain[1].output_stream = 'both'
let g:result = ProcessIndex(1)
AssertEqual g:result.command, 'third'
AssertEqual g:result.output_stream, 'stdout'
|
