ale/test/test_checkingbuffer_autocmd.vader

Given testft (An empty file):

Before:
  Save g:ale_run_synchronously
  Save g:ale_buffer_info
  
  let g:ale_run_synchronously = 1
  let g:ale_buffer_info = {}

  let g:checking_buffer = 0

  unlet! b:ale_linted

  function! TestCallback(buffer, output)
    return []
  endfunction

  call ale#linter#Define('testft', {
  \ 'name': 'testlinter',
  \ 'callback': 'TestCallback',
  \ 'executable': has('win32') ? 'cmd' : 'true',
  \ 'command': 'true',
  \})

After:
  Restore

  unlet! g:checking_buffer
  
  delfunction TestCallback
  call ale#linter#Reset()
  
  augroup VaderTest
    autocmd!
  augroup end

  augroup! VaderTest

Execute(ALELintPre should not return success on ale#engine#IsCheckingBuffer):
  augroup VaderTest
    autocmd!
    autocmd User ALELintPre let g:checking_buffer = ale#engine#IsCheckingBuffer(bufnr('')) ? 1 : 0 
  augroup end

  call ale#Lint()

  AssertEqual g:checking_buffer, 0

Execute(ALEJobStarted should return success on ale#engine#IsCheckingBuffer):
  augroup VaderTest
    autocmd!
    autocmd User ALEJobStarted let g:checking_buffer = ale#engine#IsCheckingBuffer(bufnr('')) ? 1 : 0 
  augroup end

  call ale#Lint()

  AssertEqual g:checking_buffer, 1