Before: call ale#assert#SetUpLinterTest('chef', 'foodcritic') After: call ale#assert#TearDownLinterTest() Execute(The default command should be correct): AssertLinter 'foodcritic', ale#Escape('foodcritic') . ' %s' Execute(Extra options should be included with escapeed tildes (~)): let b:ale_chef_foodcritic_options = '-t ~F011' AssertLinter 'foodcritic', ale#Escape('foodcritic') . ' -t \~F011 %s' Execute(The executable should be configurable): let b:ale_chef_foodcritic_executable = 'foobar' AssertLinter 'foobar', ale#Escape('foobar') . ' %s'