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Before:
Save &shell, g:ale_run_synchronously
let g:ale_run_synchronously = 1
set shell=/bin/sh
let g:linter_output = []
let g:first_echo_called = 0
let g:second_echo_called = 0
let g:final_callback_called = 0
function! CollectResults(buffer, output)
let g:final_callback_called = 1
let g:linter_output = a:output
return []
endfunction
function! RunFirstEcho(buffer)
let g:first_echo_called = 1
return 'echo foo'
endfunction
function! RunSecondEcho(buffer, output)
let g:second_echo_called = 1
return 'echo bar'
endfunction
call ale#linter#Define('foobar', {
\ 'name': 'testlinter',
\ 'callback': 'CollectResults',
\ 'executable': 'echo',
\ 'command_chain': [
\ {
\ 'callback': 'RunFirstEcho',
\ 'output_stream': 'stdout',
\ 'read_buffer': 0,
\ },
\ {
\ 'callback': 'RunSecondEcho',
\ 'output_stream': 'stdout',
\ 'read_buffer': 0,
\ },
\ ],
\})
After:
Restore
unlet! g:first_echo_called
unlet! g:second_echo_called
unlet! g:final_callback_called
unlet! g:linter_output
let g:ale_buffer_info = {}
call ale#linter#Reset()
delfunction CollectResults
delfunction RunFirstEcho
delfunction RunSecondEcho
Given foobar (Some imaginary filetype):
anything
Execute(Check the results of running the chain):
AssertEqual 'foobar', &filetype
call ale#Lint()
Assert g:first_echo_called, 'The first chain item was not called'
Assert g:second_echo_called, 'The second chain item was not called'
Assert g:final_callback_called, 'The final callback was not called'
AssertEqual ['bar'], g:linter_output
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