Before: call ale#assert#SetUpLinterTest('python', 'pydocstyle') call ale#test#SetFilename('example/test.py') After: call ale#assert#TearDownLinterTest() Execute(The pydocstyle command callback should return default string): AssertLinterCwd '%s:h' AssertLinter 'pydocstyle', ale#Escape('pydocstyle') . ' %s' Execute(The pydocstyle command callback should allow options): let g:ale_python_pydocstyle_options = '--verbose' AssertLinter 'pydocstyle', ale#Escape('pydocstyle') . ' --verbose %s' Execute(The pydocstyle executable should be configurable): let g:ale_python_pydocstyle_executable = '~/.local/bin/pydocstyle' AssertLinter '~/.local/bin/pydocstyle', \ ale#Escape('~/.local/bin/pydocstyle') . ' %s' Execute(Setting executable to 'pipenv' appends 'run pydocstyle'): let g:ale_python_pydocstyle_executable = 'path/to/pipenv' AssertLinter 'path/to/pipenv', \ ale#Escape('path/to/pipenv') . ' run pydocstyle %s' Execute(Pipenv is detected when python_pydocstyle_auto_pipenv is set): let g:ale_python_pydocstyle_auto_pipenv = 1 call ale#test#SetFilename('../test-files/python/pipenv/whatever.py') AssertLinter 'pipenv', ale#Escape('pipenv') . ' run pydocstyle %s' Execute(Setting executable to 'poetry' appends 'run pydocstyle'): let g:ale_python_pydocstyle_executable = 'path/to/poetry' AssertLinter 'path/to/poetry', \ ale#Escape('path/to/poetry') . ' run pydocstyle %s' Execute(Poetry is detected when python_pydocstyle_auto_poetry is set): let g:ale_python_pydocstyle_auto_poetry = 1 call ale#test#SetFilename('../test-files/python/poetry/whatever.py') AssertLinter 'poetry', ale#Escape('poetry') . ' run pydocstyle %s'