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path: root/test/test_ale_toggle.vader
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Before:
  let g:expected_loclist = [{
  \ 'bufnr': bufnr('%'),
  \ 'lnum': 2,
  \ 'vcol': 0,
  \ 'col': 3,
  \ 'text': 'foo bar',
  \ 'type': 'E',
  \ 'nr': -1,
  \ 'pattern': '',
  \ 'valid': 1,
  \}]
  let g:expected_groups = [
  \ 'ALEBufferFixGroup',
  \ 'ALECleanupGroup',
  \ 'ALECursorGroup',
  \ 'ALEHighlightBufferGroup',
  \ 'ALERunOnEnterGroup',
  \ 'ALERunOnFiletypeChangeGroup',
  \ 'ALERunOnSaveGroup',
  \ 'ALERunOnTextChangedGroup',
  \]

  function! ToggleTestCallback(buffer, output)
    return [{
    \ 'bufnr': a:buffer,
    \ 'lnum': 2,
    \ 'vcol': 0,
    \ 'col': 3,
    \ 'text': 'foo bar',
    \ 'type': 'E',
    \ 'nr': -1,
    \}]
  endfunction

  function! ParseAuGroups()
    redir => l:output
       silent exec 'autocmd'
    redir end

    let l:results = []

    for l:line in split(l:output, "\n")
      let l:match = matchlist(l:line, '^ALE[a-zA-Z]\+Group')

      if !empty(l:match)
        call add(l:results, l:match[0])
      endif
    endfor

    call uniq(sort(l:results))

    return l:results
  endfunction

  call ale#linter#Define('foobar', {
  \ 'name': 'testlinter',
  \ 'callback': 'ToggleTestCallback',
  \ 'executable': 'echo',
  \ 'command': 'echo',
  \ 'read_buffer': 0,
  \})

After:
  unlet! g:expected_loclist
  unlet! g:expected_groups

  let g:ale_buffer_info = {}
  call ale#linter#Reset()

  " Toggle ALE back on if we fail when it's disabled.
  if !g:ale_enabled
    ALEToggle
  endif

  delfunction ToggleTestCallback
  delfunction ParseAuGroups

Given foobar (Some imaginary filetype):
  foo
  bar
  baz

Execute(ALEToggle should reset everything and then run again):
  AssertEqual 'foobar', &filetype

  call ale#Lint()
  call ale#engine#WaitForJobs(2000)

  " First check that everything is there...
  AssertEqual g:expected_loclist, getloclist(0)
  AssertEqual [[2, 1000001, 'ALEErrorSign']], ale#sign#FindCurrentSigns(bufnr('%'))
  AssertEqual
  \ [{'group': 'ALEError', 'pos1': [2, 3, 1]}],
  \ map(getmatches(), '{''group'': v:val.group, ''pos1'': v:val.pos1}')
  AssertEqual g:expected_groups, ParseAuGroups()

  " Now Toggle ALE off.
  ALEToggle

  " Everything should be cleared.
  AssertEqual [], getloclist(0)
  AssertEqual [], ale#sign#FindCurrentSigns(bufnr('%'))
  AssertEqual [], getmatches()
  AssertEqual ['ALEBufferFixGroup', 'ALECleanupGroup', 'ALEHighlightBufferGroup'], ParseAuGroups()

  " Toggle ALE on, everything should be set up and run again.
  ALEToggle
  call ale#engine#WaitForJobs(2000)

  AssertEqual g:expected_loclist, getloclist(0)
  AssertEqual [[2, 1000001, 'ALEErrorSign']], ale#sign#FindCurrentSigns(bufnr('%'))
  AssertEqual
  \ [{'group': 'ALEError', 'pos1': [2, 3, 1]}],
  \ map(getmatches(), '{''group'': v:val.group, ''pos1'': v:val.pos1}')
  AssertEqual g:expected_groups, ParseAuGroups()