Before:
  Save g:ale_json_fixjson_executable
  Save g:ale_json_fixjson_options

  let g:ale_json_fixjson_executable = '/path/to/fixjson'
  let g:ale_json_fixjson_options = ''

  call ale#test#SetDirectory('/testplugin/test/fixers')

After:
  Restore

Execute(The fixjson callback should return the correct default command):
  AssertEqual
  \ {
  \   'command': ale#Escape('/path/to/fixjson')
  \     . ' --stdin-filename '
  \     . ale#Escape(bufname(bufnr('')))
  \ },
  \ ale#fixers#fixjson#Fix(bufnr(''))

Execute(The fixjson callback should set the buffer name as file name):
  call ale#test#SetFilename('../json_files/testfile.json')

  AssertEqual
  \ {
  \   'command': ale#Escape('/path/to/fixjson')
  \     . ' --stdin-filename '
  \     . ale#Escape(bufname(bufnr('')))
  \ },
  \ ale#fixers#fixjson#Fix(bufnr(''))

  AssertNotEqual
  \ stridx(
  \   ale#fixers#fixjson#Fix(bufnr('')).command,
  \   'testfile.json',
  \ ),
  \ -1

Execute(The fixjson callback should include additional options):
  let g:ale_json_fixjson_options = '-i 2'

  AssertEqual
  \ {
  \   'command': ale#Escape('/path/to/fixjson')
  \     . ' --stdin-filename '
  \     . ale#Escape(bufname(bufnr('')))
  \     . ' -i 2'
  \ },
  \ ale#fixers#fixjson#Fix(bufnr(''))