Before:
  call ale#assert#SetUpLinterTest('ruby', 'packwerk')
  call ale#test#SetFilename('../test-files/ruby/valid_rails_app/db/test.rb')

  let g:ale_ruby_packwerk_executable = 'packwerk'
  let g:ale_ruby_packwerk_options = ''

  let b:sep = has('win32') ? '\' : '/'

After:
  unlet! b:sep

  call ale#assert#TearDownLinterTest()

Execute(Executable should default to packwerk):
  AssertLinter 'packwerk', ale#Escape('packwerk')
  \   . ' check '
  \   . ale#Escape('db' . b:sep . 'test.rb')

Execute(Should be able to set a custom executable):
  let g:ale_ruby_packwerk_executable = 'bin/packwerk'

  AssertLinter 'bin/packwerk', ale#Escape('bin/packwerk')
  \   . ' check '
  \   . ale#Escape('db' . b:sep . 'test.rb')

Execute(Setting bundle appends 'exec packwerk'):
  let g:ale_ruby_packwerk_executable = 'path to/bundle'

  AssertLinter 'path to/bundle', ale#Escape('path to/bundle')
  \   . ' exec packwerk'
  \   . ' check '
  \   . ale#Escape('db' . b:sep . 'test.rb')

Execute(Command callback should be empty when not in a valid Rails app):
  call ale#test#SetFilename('../test-files/ruby/not_a_rails_app/test.rb')

  AssertLinter 'packwerk', ''