Before:
  Save g:ale_sh_shfmt_executable
  Save g:ale_sh_shfmt_options
  Save &l:expandtab
  Save &l:shiftwidth
  Save &l:tabstop

After:
  Restore

Execute(The shfmt callback should return 'shfmt' as default command):
  setlocal noexpandtab
  Assert
  \ ale#fixers#shfmt#Fix(bufnr('')).command =~# '^' . ale#Escape('shfmt'),
  \ "Default command name is expected to be 'shfmt'"

Execute(The shfmt callback should return the command with no option as default when noexpandtab is set):
  let g:ale_sh_shfmt_executable = 'shfmt'
  let g:ale_sh_shfmt_options = ''
  setlocal noexpandtab
  AssertEqual
  \ {
  \   'command': ale#Escape('shfmt'),
  \ },
  \ ale#fixers#shfmt#Fix(bufnr(''))

Execute(The shfmt callback should return the command specifying indent width by looking shiftwidth as default):
  let g:ale_sh_shfmt_executable = 'shfmt'
  let g:ale_sh_shfmt_options = ''
  setlocal expandtab
  setlocal shiftwidth=4
  AssertEqual
  \ {
  \   'command': ale#Escape('shfmt') . ' -i 4',
  \ },
  \ ale#fixers#shfmt#Fix(bufnr(''))

Execute(The shfmt callback should return the command specifying indent width by looking tabstop when shiftwidth is 0 as default):
  let g:ale_sh_shfmt_executable = 'shfmt'
  let g:ale_sh_shfmt_options = ''
  setlocal expandtab
  setlocal shiftwidth=0
  setlocal tabstop=8
  AssertEqual
  \ {
  \   'command': ale#Escape('shfmt') . ' -i 8',
  \ },
  \ ale#fixers#shfmt#Fix(bufnr(''))

Execute(The shfmt executable and options should be configurable):
  let g:ale_sh_shfmt_executable = 'foobar'
  let g:ale_sh_shfmt_options = '--some-option'

  AssertEqual
  \ {
  \   'command': ale#Escape('foobar')
  \     . ' --some-option',
  \ },
  \ ale#fixers#shfmt#Fix(bufnr(''))