Before:
  runtime ale_linters/ruby/reek.vim
  call ale#test#SetDirectory('/testplugin/test/command_callback')

After:
  call ale#test#RestoreDirectory()
  call ale#linter#Reset()
  call ale#semver#ResetVersionCache()

Execute(The reek callbacks should return the correct default values):
  AssertEqual
  \ 'reek --version',
  \ ale_linters#ruby#reek#VersionCheck(bufnr(''))
  AssertEqual
  \ 'reek -f json --no-progress --no-color --stdin-filename %s',
  \ ale_linters#ruby#reek#GetCommand(bufnr(''), ['reek 5.0.0'])

  " Try with older versions.
  call ale#semver#ResetVersionCache()
  AssertEqual
  \ 'reek -f json --no-progress --no-color',
  \ ale_linters#ruby#reek#GetCommand(bufnr(''), ['reek 4.8.2'])

Execute(The reek version check should be cached):
  AssertEqual
  \ 'reek -f json --no-progress --no-color --stdin-filename %s',
  \ ale_linters#ruby#reek#GetCommand(bufnr(''), ['reek 5.0.0'])

  AssertEqual
  \ '',
  \ ale_linters#ruby#reek#VersionCheck(bufnr(''))
  AssertEqual
  \ 'reek -f json --no-progress --no-color --stdin-filename %s',
  \ ale_linters#ruby#reek#GetCommand(bufnr(''), [])