Before: call ale#assert#SetUpLinterTest('python', 'bandit') let b:bandit_flags = ' --format custom ' \ . '--msg-template "{line}:{test_id}:{severity}:{msg}" ' After: call ale#assert#TearDownLinterTest() unlet! b:bandit_flags Execute(The bandit command callback should return default string): AssertLinter 'bandit', \ ale#Escape('bandit') \ . b:bandit_flags \ . ' -' Execute(The bandit command callback should allow options): let g:ale_python_bandit_options = '--configfile bandit.yaml' AssertLinter 'bandit', \ ale#Escape('bandit') \ . b:bandit_flags \ . ' --configfile bandit.yaml -' Execute(The bandit executable should be configurable): let g:ale_python_bandit_executable = '~/.local/bin/bandit' AssertLinter '~/.local/bin/bandit', \ ale#Escape('~/.local/bin/bandit') \ . b:bandit_flags \ . ' -' Execute(Setting executable to 'pipenv' appends 'run bandit'): let g:ale_python_bandit_executable = 'path/to/pipenv' AssertLinter 'path/to/pipenv', \ ale#Escape('path/to/pipenv') \ . ' run bandit' \ . b:bandit_flags \ . ' -' Execute(Pipenv is detected when python_bandit_auto_pipenv is set): let g:ale_python_bandit_auto_pipenv = 1 call ale#test#SetFilename('/testplugin/test/python_fixtures/pipenv/whatever.py') AssertLinter 'pipenv', \ ale#Escape('pipenv') \ . ' run bandit' \ . b:bandit_flags \ . ' -'