Before: call ale#assert#SetUpLinterTest('reason', 'ols') Save &filetype let &filetype = 'reason' After: call ale#assert#TearDownLinterTest() Execute(The language string should be correct): AssertLSPLanguage 'reason' Execute(The default executable should be correct): AssertLinter 'ocaml-language-server', \ ale#Escape('ocaml-language-server') . ' --stdio' Execute(The project root should be detected correctly): AssertLSPProject '' call ale#test#SetFilename('../test-files/ols/file.re') AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/ols') Execute(The local executable should be used when available): call ale#test#SetFilename('../test-files/ols/file.re') AssertLinter \ ale#path#Simplify(g:dir . '/../test-files/ols/node_modules/.bin/ocaml-language-server'), \ ale#Escape(ale#path#Simplify(g:dir . '/../test-files/ols/node_modules/.bin/ocaml-language-server')) . ' --stdio' Execute(The gloabl executable should always be used when use_global is set): let g:ale_reason_ols_use_global = 1 call ale#test#SetFilename('../test-files/ols/file.re') AssertLinter 'ocaml-language-server', \ ale#Escape('ocaml-language-server') . ' --stdio' Execute(The executable should be configurable): let g:ale_reason_ols_executable = 'foobar' call ale#test#SetFilename('../test-files/dummy') AssertLinter 'foobar', ale#Escape('foobar') . ' --stdio'