Before: call ale#assert#SetUpLinterTest('haskell', 'hls') Save &filetype let &filetype = 'haskell' After: call ale#assert#TearDownLinterTest() Execute(The language string should be correct): AssertLSPLanguage 'haskell' Execute(The default executable should be correct): AssertLinter 'haskell-language-server-wrapper', \ ale#Escape('haskell-language-server-wrapper') . ' --lsp' Execute(The project root should be detected correctly): AssertLSPProject g:dir call ale#test#SetFilename('hls_paths/file.hs') AssertLSPProject ale#path#Simplify(g:dir . '/hls_paths') Execute(The executable should be configurable): let g:ale_haskell_hls_executable = 'foobar' AssertLinter 'foobar', ale#Escape('foobar') . ' --lsp' Execute(Should accept configuration settings): AssertLSPConfig {} let b:ale_haskell_hls_config = {'haskell': {'maxCompletions': 250}} AssertLSPConfig {'haskell': {'maxCompletions': 250}}