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path: root/test/completion/test_completion_events.vader
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Before:
  Save g:ale_completion_enabled
  Save g:ale_completion_delay
  Save g:ale_completion_max_suggestions
  Save &l:omnifunc
  Save &l:completeopt

  unlet! b:ale_completion_enabled
  let g:ale_completion_enabled = 1
  let g:get_completions_called = 0
  let g:feedkeys_calls = []
  let g:fake_mode = 'i'

  let b:ale_linters = {
  \ 'typescript': ['tsserver'],
  \}

  let &l:completeopt = 'menu,menuone,preview,noselect,noinsert'

  runtime autoload/ale/util.vim

  function! ale#util#FeedKeys(string) abort
    call add(g:feedkeys_calls, [a:string])
  endfunction

  " Pretend we're in insert mode for most tests.
  function! ale#util#Mode(...) abort
    return g:fake_mode
  endfunction

  function! CheckCompletionCalled(expect_success) abort
    let g:get_completions_called = 0

    " We just want to check if the function is called.
    function! ale#completion#GetCompletions(source)
      let g:get_completions_called = 1
    endfunction

    let g:ale_completion_delay = 0

    " Run this check a few times, as it can fail randomly.
    for l:i in range(has('nvim-0.3') || has('win32') ? 5 : 1)
      call ale#completion#Queue()
      sleep 1m

      if g:get_completions_called is a:expect_success
        break
      endif
    endfor

    AssertEqual a:expect_success, g:get_completions_called
  endfunction

  let g:handle_code_action_called = 0
  function! MockHandleCodeAction() abort
    " delfunction! ale#code_action#HandleCodeAction
    function! ale#code_action#HandleCodeAction(action, options) abort
      Assert !get(a:options, 'should_save')
      let g:handle_code_action_called += 1
    endfunction
  endfunction

After:
  Restore

  unlet! b:ale_completion_enabled
  unlet! g:output
  unlet! g:fake_mode
  unlet! g:get_completions_called
  unlet! g:handle_code_action_called
  unlet! b:ale_old_omnifunc
  unlet! b:ale_old_completeopt
  unlet! b:ale_completion_info
  unlet! b:ale_completion_result
  unlet! b:ale_complete_done_time
  unlet! b:ale_linters

  delfunction CheckCompletionCalled
  delfunction ale#code_action#HandleCodeAction
  delfunction MockHandleCodeAction

  if exists('*CompleteCallback')
    delfunction CompleteCallback
  endif

  " Stop any timers we left behind.
  " This stops the tests from failing randomly.
  call ale#completion#StopTimer()

  " Reset the function. The runtime command below should fix this, but doesn't
  " seem to fix it.
  function! ale#util#Mode(...) abort
    return call('mode', a:000)
  endfunction

  runtime autoload/ale/completion.vim
  runtime autoload/ale/code_action.vim
  runtime autoload/ale/util.vim

Execute(ale#completion#GetCompletions should be called when the cursor position stays the same):
  call CheckCompletionCalled(1)

Execute(ale#completion#GetCompletions should not be called if the global setting is disabled):
  let g:ale_completion_enabled = 0
  call CheckCompletionCalled(0)

Execute(ale#completion#GetCompletions should not be called if the buffer setting is disabled):
  let b:ale_completion_enabled = 0
  call CheckCompletionCalled(0)

Given typescript():
  let abc = y.
  let foo = ab
  let foo = (ab)

Execute(ale#completion#GetCompletions should not be called when the cursor position changes):
  call setpos('.', [bufnr(''), 1, 2, 0])

  " We just want to check if the function is called.
  function! ale#completion#GetCompletions(source)
    let g:get_completions_called = 1
  endfunction

  let g:ale_completion_delay = 0
  call ale#completion#Queue()

  " Change the cursor position before the callback is triggered.
  call setpos('.', [bufnr(''), 2, 2, 0])

  sleep 1m

  Assert !g:get_completions_called

Execute(ale#completion#GetCompletions should not be called if you switch to normal mode):
  let &l:completeopt = 'menu,preview'
  let g:fake_mode = 'n'

  " We just want to check if the function is called.
  function! ale#completion#GetCompletions(source)
    let g:get_completions_called = 1
  endfunction

  let g:ale_completion_delay = 0
  call ale#completion#Queue()

  sleep 1m

  Assert !g:get_completions_called

Execute(Completion should not be done shortly after the CompleteDone function):
  call CheckCompletionCalled(1)
  call ale#completion#Done()
  call CheckCompletionCalled(0)

Execute(ale#completion#Show() should remember the omnifunc setting and replace it):
  let &l:omnifunc = 'FooBar'

  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  AssertEqual 'FooBar', b:ale_old_omnifunc
  AssertEqual 'ale#completion#AutomaticOmniFunc', &l:omnifunc

  AssertEqual [], g:feedkeys_calls
  sleep 1ms
  AssertEqual [["\<Plug>(ale_show_completion_menu)"]], g:feedkeys_calls

Execute(ale#completion#Show() should remember the completeopt setting and replace it):
  let &l:completeopt = 'menu'

  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  AssertEqual 'menu', b:ale_old_completeopt
  AssertEqual 'menu,menuone,noselect,noinsert', &l:completeopt

  AssertEqual [], g:feedkeys_calls
  sleep 1ms
  AssertEqual [["\<Plug>(ale_show_completion_menu)"]], g:feedkeys_calls

Execute(ale#completion#Show() should set the preview option if it's set):
  let &l:completeopt = 'menu,preview'

  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  AssertEqual 'menu,preview', b:ale_old_completeopt
  AssertEqual 'menu,menuone,preview,noselect,noinsert', &l:completeopt

  AssertEqual [], g:feedkeys_calls
  sleep 1ms
  AssertEqual [["\<Plug>(ale_show_completion_menu)"]], g:feedkeys_calls

Execute(ale#completion#Show() should not replace the completeopt setting for manual completion):
  let b:ale_completion_info = {'source': 'ale-manual'}

  let &l:completeopt = 'menu,preview'

  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  Assert !exists('b:ale_old_completeopt')

  AssertEqual [], g:feedkeys_calls
  sleep 1ms
  AssertEqual [["\<Plug>(ale_show_completion_menu)"]], g:feedkeys_calls

Execute(ale#completion#AutomaticOmniFunc() should also remember the completeopt setting and replace it):
  let &l:completeopt = 'menu'

  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#AutomaticOmniFunc(0, '')

  AssertEqual 'menu', b:ale_old_completeopt
  AssertEqual 'menu,menuone,noselect,noinsert', &l:completeopt

Execute(ale#completion#AutomaticOmniFunc() should set the preview option if it's set):
  let &l:completeopt = 'menu,preview'

  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#AutomaticOmniFunc(0, '')

  AssertEqual 'menu,preview', b:ale_old_completeopt
  AssertEqual 'menu,menuone,preview,noselect,noinsert', &l:completeopt

Execute(ale#completion#Show() should make the correct feedkeys() call for automatic completion):
  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  AssertEqual [], g:feedkeys_calls
  sleep 1ms
  AssertEqual [["\<Plug>(ale_show_completion_menu)"]], g:feedkeys_calls

Execute(ale#completion#Show() should make the correct feedkeys() call for manual completion):
  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  AssertEqual [], g:feedkeys_calls
  sleep 1ms
  AssertEqual [["\<Plug>(ale_show_completion_menu)"]], g:feedkeys_calls

Execute(ale#completion#Show() should not call feedkeys() for other sources):
  let b:ale_completion_info = {'source': 'other-source'}
  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  sleep 1ms
  AssertEqual [], g:feedkeys_calls

Execute(ale#completion#Show() shouldn't do anything if you switch back to normal mode):
  let &l:completeopt = 'menu,preview'
  let g:fake_mode = 'n'

  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  AssertEqual 'menu,preview', &l:completeopt
  Assert !exists('b:ale_old_omnifunc')
  Assert !exists('b:ale_old_completeopt')
  Assert !exists('b:ale_completion_result')
  AssertEqual [], g:feedkeys_calls

Execute(ale#completion#Show() should save the result it is given):
  call ale#completion#Show([])

  AssertEqual [], b:ale_completion_result

  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])

  AssertEqual [{'word': 'x', 'kind': 'v', 'icase': 1}], b:ale_completion_result

Execute(ale#completion#Done() should restore old omnifunc values):
  let b:ale_old_omnifunc = 'FooBar'

  call ale#completion#Done()

  " We reset the old omnifunc setting and remove the buffer variable.
  AssertEqual 'FooBar', &l:omnifunc
  Assert !has_key(b:, 'ale_old_omnifunc')

Execute(ale#completion#Done() should restore the old completeopt setting):
  let b:ale_old_completeopt = 'menu'

  call ale#completion#Done()

  AssertEqual 'menu', &l:completeopt
  Assert !has_key(b:, 'ale_old_completeopt')

Execute(ale#completion#Done() should leave settings alone when none were remembered):
  let &l:omnifunc = 'BazBoz'
  let &l:completeopt = 'menu'

  call ale#completion#Done()

  AssertEqual 'BazBoz', &l:omnifunc
  AssertEqual 'menu', &l:completeopt

Execute(The completion request_id should be reset when queuing again):
  let b:ale_completion_info = {'request_id': 123}

  let g:ale_completion_delay = 0
  call ale#completion#Queue()
  sleep 1m

  AssertEqual 0, b:ale_completion_info.request_id

Execute(b:ale_completion_info should be set up correctly when requesting completions automatically):
  let b:ale_completion_result = []
  call setpos('.', [bufnr(''), 3, 14, 0])
  call ale#completion#GetCompletions('ale-automatic')

  AssertEqual
  \ {
  \   'request_id': 0,
  \   'conn_id': 0,
  \   'column': 14,
  \   'line_length': 14,
  \   'line': 3,
  \   'prefix': 'ab',
  \   'source': 'ale-automatic',
  \ },
  \ b:ale_completion_info
  Assert !exists('b:ale_completion_result')

Execute(b:ale_completion_info should be set up correctly when requesting completions manually):
  let b:ale_completion_result = []
  call setpos('.', [bufnr(''), 3, 14, 0])
  ALEComplete

  AssertEqual
  \ {
  \   'request_id': 0,
  \   'conn_id': 0,
  \   'column': 14,
  \   'line_length': 14,
  \   'line': 3,
  \   'prefix': 'ab',
  \   'source': 'ale-manual',
  \ },
  \ b:ale_completion_info
  Assert !exists('b:ale_completion_result')

Execute(b:ale_completion_info should be set up correctly for other sources):
  let b:ale_completion_result = []
  call setpos('.', [bufnr(''), 3, 14, 0])
  call ale#completion#GetCompletions('ale-callback')

  AssertEqual
  \ {
  \   'request_id': 0,
  \   'conn_id': 0,
  \   'column': 14,
  \   'line_length': 14,
  \   'line': 3,
  \   'prefix': 'ab',
  \   'source': 'ale-callback',
  \ },
  \ b:ale_completion_info
  Assert !exists('b:ale_completion_result')

Execute(b:ale_completion_info should be set up correctly when requesting completions via callback):
  let b:ale_completion_result = []
  call setpos('.', [bufnr(''), 3, 14, 0])

  function! CompleteCallback() abort
    echo 'Called'
  endfunction


  call ale#completion#GetCompletions('ale-callback', {'callback': funcref('CompleteCallback')})

  AssertEqual
  \ {
  \   'request_id': 0,
  \   'conn_id': 0,
  \   'column': 14,
  \   'line_length': 14,
  \   'line': 3,
  \   'prefix': 'ab',
  \   'source': 'ale-callback',
  \ },
  \ b:ale_completion_info
  Assert !exists('b:ale_completion_result')

Execute(The correct keybinds should be configured):
  redir => g:output
    silent map <Plug>(ale_show_completion_menu)
  redir END

  AssertEqual
  \ [
  \   'n  <Plug>(ale_show_completion_menu) * :call ale#completion#RestoreCompletionOptions()<CR>',
  \   'o  <Plug>(ale_show_completion_menu) * <Nop>',
  \   'v  <Plug>(ale_show_completion_menu) * <Nop>',
  \ ],
  \ sort(split(g:output, "\n"))

Execute(Running the normal mode <Plug> keybind should reset the settings):
  let b:ale_old_omnifunc = 'FooBar'
  let b:ale_old_completeopt = 'menu'

  " We can't run the keybind, but we can call the function.
  call ale#completion#RestoreCompletionOptions()

  AssertEqual 'FooBar', &l:omnifunc
  AssertEqual 'menu', &l:completeopt
  Assert !has_key(b:, 'ale_old_omnifunc')
  Assert !has_key(b:, 'ale_old_completeopt')

Execute(HandleUserData should call ale#code_action#HandleCodeAction):
  let b:ale_completion_info = {'source': 'ale-manual'}
  call MockHandleCodeAction()

  call ale#completion#HandleUserData({})
  AssertEqual g:handle_code_action_called, 0

  call ale#completion#HandleUserData({
  \ 'user_data': ''
  \})
  AssertEqual g:handle_code_action_called, 0

  call ale#completion#HandleUserData({
  \ 'user_data': json_encode({}),
  \})
  AssertEqual g:handle_code_action_called, 0

  call ale#completion#HandleUserData({
  \ 'user_data': json_encode({
  \   '_ale_completion_item': 1,
  \   'code_actions': [],
  \ }),
  \})
  AssertEqual g:handle_code_action_called, 0

  call ale#completion#HandleUserData({
  \ 'user_data': json_encode({
  \   '_ale_completion_item': 1,
  \   'code_actions': [
  \     {'description': '', 'changes': []},
  \   ],
  \ }),
  \})
  AssertEqual g:handle_code_action_called, 1

  let b:ale_completion_info = {'source': 'ale-automatic'}
  call ale#completion#HandleUserData({
  \ 'user_data': json_encode({
  \   '_ale_completion_item': 1,
  \   'code_actions': [
  \     {'description': '', 'changes': []},
  \   ],
  \ }),
  \})
  AssertEqual g:handle_code_action_called, 2

  let b:ale_completion_info = {'source': 'ale-callback'}
  call ale#completion#HandleUserData({
  \ 'user_data': json_encode({
  \   '_ale_completion_item': 1,
  \   'code_actions': [
  \     {'description': '', 'changes': []},
  \   ],
  \ }),
  \})
  AssertEqual g:handle_code_action_called, 3

  let b:ale_completion_info = {'source': 'ale-omnifunc'}
  call ale#completion#HandleUserData({
  \ 'user_data': json_encode({
  \   '_ale_completion_item': 1,
  \   'code_actions': [
  \     {'description': '', 'changes': []},
  \   ],
  \ }),
  \})
  AssertEqual g:handle_code_action_called, 4

Execute(ale#code_action#HandleCodeAction should not be called when when source is not ALE):
  call MockHandleCodeAction()
  let b:ale_completion_info = {'source': 'syntastic'}
  call ale#completion#HandleUserData({
  \ 'user_data': json_encode({
  \   '_ale_completion_item': 1,
  \   'code_actions': [
  \     {'description': '', 'changes': []},
  \   ],
  \ }),
  \})
  AssertEqual g:handle_code_action_called, 0