Before:
  call ale#test#SetDirectory('/testplugin/test/fixers')
  Save g:ale_javascript_prettier_executable
  Save g:ale_javascript_prettier_options

  " Use an invalid global executable, so we don't match it.
  let g:ale_javascript_prettier_executable = 'xxxinvalid'
  let g:ale_javascript_prettier_options = ''

  call ale#test#SetDirectory('/testplugin/test/fixers')
  silent cd ..
  silent cd command_callback
  let g:dir = getcwd()

After:
  let g:ale_has_override = {}
  call ale#test#RestoreDirectory()

Execute(The prettier callback should return the correct default values):
  call ale#test#SetFilename('../prettier-test-files/testfile.js')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_javascript_prettier_executable)
  \     . ' %t'
  \     . ' --parser babylon'
  \     . ' --write',
  \ },
  \ ale#fixers#prettier#Fix(bufnr(''))

Execute(The prettier callback should include configuration files when the option is set):
  let g:ale_javascript_prettier_use_local_config = 1
  call ale#test#SetFilename('../prettier-test-files/with_config/testfile.js')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_javascript_prettier_executable)
  \     . ' %t'
  \     . ' --parser babylon'
  \     . ' --config ' . ale#Escape(simplify(g:dir .  '/../prettier-test-files/with_config/.prettierrc'))
  \     . ' --write',
  \ },
  \ ale#fixers#prettier#Fix(bufnr(''))

Execute(The prettier callback should include custom prettier options):
  let g:ale_javascript_prettier_options = '--no-semi'
  call ale#test#SetFilename('../prettier-test-files/with_config/testfile.js')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_javascript_prettier_executable)
  \     . ' %t'
  \     . ' --no-semi --parser babylon'
  \     . ' --config ' . ale#Escape(simplify(g:dir .  '/../prettier-test-files/with_config/.prettierrc'))
  \     . ' --write',
  \ },
  \ ale#fixers#prettier#Fix(bufnr(''))

Execute(Append '--parser typescript' for filetype=typescript):
  set filetype=typescript
  call ale#test#SetFilename('../prettier-test-files/testfile.ts')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_javascript_prettier_executable)
  \     . ' %t'
  \     . ' --parser typescript'
  \     . ' --write',
  \ },
  \ ale#fixers#prettier#Fix(bufnr(''))

Execute(Append '--parser json' for filetype=json):
  set filetype=json
  call ale#test#SetFilename('../prettier-test-files/testfile.json')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_javascript_prettier_executable)
  \     . ' %t'
  \     . ' --parser json'
  \     . ' --write',
  \ },
  \ ale#fixers#prettier#Fix(bufnr(''))

Execute(Append '--parser postcss' for filetype=scss):
  set filetype=scss
  call ale#test#SetFilename('../prettier-test-files/testfile.scss')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_javascript_prettier_executable)
  \     . ' %t'
  \     . ' --parser postcss'
  \     . ' --write',
  \ },
  \ ale#fixers#prettier#Fix(bufnr(''))

Execute(Append '--parser postcss' for filetype=css):
  set filetype=css
  call ale#test#SetFilename('../prettier-test-files/testfile.css')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_javascript_prettier_executable)
  \     . ' %t'
  \     . ' --parser postcss'
  \     . ' --write',
  \ },
  \ ale#fixers#prettier#Fix(bufnr(''))