Before:
  call ale#assert#SetUpFixerTest('erlang', 'erlang_mode')

  function! Fixer(key, ...) abort
    let l:name = get(a:, 1, 'erlang_mode')

    let l:func = ale#fix#registry#GetFunc(l:name)
    let l:dict = call(l:func, [bufnr('')])

    return l:dict[a:key]
  endfunction

After:
  delfunction Fixer
  call ale#assert#TearDownFixerTest()

Execute(Emacs should edit temporary file in batch mode):
  AssertEqual 0, stridx(
  \ Fixer('command'),
  \ ale#Escape('emacs') . ' --batch --find-file=%t --eval=',
  \)

Execute(The temporary file should be read):
  AssertEqual 1, Fixer('read_temporary_file')

Execute(Fixer alias erlang-mode should be provided):
  AssertEqual 0, stridx(
  \ Fixer('command', 'erlang-mode'),
  \ ale#Escape('emacs') . ' --batch --find-file=%t --eval=',
  \)

Execute(Emacs executable should be configurable):
  let b:ale_erlang_erlang_mode_emacs_executable = '/path/to/emacs'
  AssertEqual 0, stridx(Fixer('command'), ale#Escape('/path/to/emacs'))

Execute(erlang-indent-level should be 4 by default):
  Assert Fixer('command') =~# '\m\<erlang-indent-level 4\>'

Execute(erlang-indent-level should be configurable):
  let b:ale_erlang_erlang_mode_indent_level = 2
  Assert Fixer('command') =~# '\m\<erlang-indent-level 2\>'

Execute(erlang-icr-indent should be nil by default):
  Assert Fixer('command') =~# '\m\<erlang-icr-indent nil\>'

Execute(erlang-icr-indent should be configurable):
  let b:ale_erlang_erlang_mode_icr_indent = 0
  Assert Fixer('command') =~# '\m\<erlang-icr-indent 0\>'

Execute(erlang-indent-guard should be 2 by default):
  Assert Fixer('command') =~# '\m\<erlang-indent-guard 2\>'

Execute(erlang-indent-guard should be configurable):
  let b:ale_erlang_erlang_mode_indent_guard = 0
  Assert Fixer('command') =~# '\m\<erlang-indent-guard 0\>'

Execute(erlang-argument-indent should be 2 by default):
  Assert Fixer('command') =~# '\m\<erlang-argument-indent 2\>'

Execute(erlang-argument-indent should be configurable):
  let b:ale_erlang_erlang_mode_argument_indent = 4
  Assert Fixer('command') =~# '\m\<erlang-argument-indent 4\>'

Execute(indent-tabs-mode should be nil by default):
  Assert Fixer('command') =~# '\m\<indent-tabs-mode nil\>'

Execute(indent-tabs-mode should be configurable):
  let b:ale_erlang_erlang_mode_indent_tabs_mode = 't'
  Assert Fixer('command') =~# '\m\<indent-tabs-mode t\>'