Before:
  Save g:ale_scala_scalafmt_executable
  Save g:ale_scala_scalafmt_options

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

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

After:
  Restore

  call ale#test#RestoreDirectory()

Execute(The scalafmt callback should return the correct default values):
  call ale#test#SetFilename('../test-files/scala/dummy.scala')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_scala_scalafmt_executable)
  \     . ' %t',
  \ },
  \ ale#fixers#scalafmt#Fix(bufnr(''))

Execute(The scalafmt callback should use ng with scalafmt automatically):
  let g:ale_scala_scalafmt_executable = 'ng'
  call ale#test#SetFilename('../test-files/scala/dummy.scala')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape('ng')
  \     . ' scalafmt'
  \     . ' %t',
  \ },
  \ ale#fixers#scalafmt#Fix(bufnr(''))

Execute(The scalafmt callback should include custom scalafmt options):
  let g:ale_scala_scalafmt_options = '--diff'
  call ale#test#SetFilename('../test-files/scala/dummy.scala')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_scala_scalafmt_executable)
  \     . ' --diff'
  \     . ' %t',
  \ },
  \ ale#fixers#scalafmt#Fix(bufnr(''))

Execute(The scalafmt callback should include custom scalafmt options and use ng with scalafmt):
  let g:ale_scala_scalafmt_options = '--diff'
  let g:ale_scala_scalafmt_executable = 'ng'
  call ale#test#SetFilename('../test-files/scala/dummy.scala')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape('ng')
  \     . ' scalafmt'
  \     . ' --diff'
  \     . ' %t',
  \ },
  \ ale#fixers#scalafmt#Fix(bufnr(''))