Before:
  Save g:ale_swift_swiftformat_executable

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

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

After:
  Restore

  call ale#test#RestoreDirectory()

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

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

Execute(The swiftformat callback should include any additional options):
  call ale#test#SetFilename('../test-files/swift/dummy.swift')
  let g:ale_swift_swiftformat_options = '--some-option'

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape(g:ale_swift_swiftformat_executable)
  \     . ' %t --some-option',
  \ },
  \ ale#fixers#swiftformat#Fix(bufnr(''))