Before: call ale#assert#SetUpLinterTest('haml', 'hamllint') let g:default_command = 'haml-lint %t' After: unlet! b:conf unlet! b:conf_hamllint unlet! b:conf_rubocop call ale#assert#TearDownLinterTest() Execute(The default command should be correct): AssertLinter 'haml-lint', 'haml-lint %t' Execute(The command should have the .rubocop.yml prepended as an env var if one exists): call ale#test#SetFilename('../test-files/hamllint/rubocop-yml/subdir/file.haml') let b:conf = ale#path#Simplify(g:dir . '/../test-files/hamllint/rubocop-yml/.rubocop.yml') AssertLinter 'haml-lint', \ ale#Env('HAML_LINT_RUBOCOP_CONF', b:conf) . 'haml-lint %t' Execute(The command should have the nearest .haml-lint.yml set as --config if it exists): call ale#test#SetFilename('../test-files/hamllint/haml-lint-yml/subdir/file.haml') let b:conf = ale#path#Simplify(g:dir . '/../test-files/hamllint/haml-lint-yml/.haml-lint.yml') AssertLinter 'haml-lint', \ 'haml-lint --config ' . ale#Escape(b:conf) . ' %t', Execute(The command should include a .rubocop.yml and a .haml-lint if both are found): call ale#test#SetFilename('../test-files/hamllint/haml-lint-and-rubocop/subdir/file.haml') let b:conf_hamllint = ale#path#Simplify(g:dir . '/../test-files/hamllint/haml-lint-and-rubocop/.haml-lint.yml') let b:conf_rubocop = ale#path#Simplify(g:dir . '/../test-files/hamllint/haml-lint-and-rubocop/.rubocop.yml') AssertLinter 'haml-lint', \ ale#Env('HAML_LINT_RUBOCOP_CONF', b:conf_rubocop) \ . 'haml-lint --config ' . ale#Escape(b:conf_hamllint) . ' %t' Execute(The executable can be overridden): let b:ale_haml_hamllint_executable = 'bin/haml-lint' AssertLinter 'bin/haml-lint', 'bin/haml-lint %t'