Before: call ale#test#SetDirectory('/testplugin/test/fixers') Save g:ale_javascript_prettier_executable Save g:ale_javascript_prettier_options " Use an invalid global executable, so we don't match it. let g:ale_javascript_prettier_executable = 'xxxinvalid' let g:ale_javascript_prettier_options = '' call ale#test#SetDirectory('/testplugin/test/fixers') silent cd .. silent cd command_callback let g:dir = getcwd() After: let g:ale_has_override = {} call ale#test#RestoreDirectory() call ale#semver#ResetVersionCache() Execute(The prettier callback should return the correct default values): call ale#test#SetFilename('../prettier-test-files/testfile.js') AssertEqual \ { \ 'read_temporary_file': 1, \ 'command': ale#Escape(g:ale_javascript_prettier_executable) \ . ' %t' \ . ' --write', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), []) Execute(The --config option should not be set automatically): let g:ale_javascript_prettier_use_local_config = 1 call ale#test#SetFilename('../prettier-test-files/with_config/testfile.js') AssertEqual \ { \ 'read_temporary_file': 1, \ 'command': ale#Escape(g:ale_javascript_prettier_executable) \ . ' %t' \ . ' --write', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), []) Execute(The prettier callback should include custom prettier options): let g:ale_javascript_prettier_options = '--no-semi' call ale#test#SetFilename('../prettier-test-files/with_config/testfile.js') AssertEqual \ { \ 'read_temporary_file': 1, \ 'command': ale#Escape(g:ale_javascript_prettier_executable) \ . ' %t' \ . ' --no-semi' \ . ' --write', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), []) Execute(The version check should be correct): call ale#test#SetFilename('../prettier-test-files/testfile.js') AssertEqual \ { \ 'chain_with': 'ale#fixers#prettier#ApplyFixForVersion', \ 'command': ale#Escape(g:ale_javascript_prettier_executable) \ . ' --version', \ }, \ ale#fixers#prettier#Fix(bufnr('')) Execute(--stdin-filepath should be used when prettier is new enough): let g:ale_javascript_prettier_options = '--no-semi' call ale#test#SetFilename('../prettier-test-files/with_config/testfile.js') AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --no-semi' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(The version number should be cached): call ale#test#SetFilename('../prettier-test-files/with_config/testfile.js') " Call the second callback with the version output. call ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) " Call it again without the version output. We should use the newer command. AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), []) Execute(Should set --parser based on filetype, TypeScript): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=typescript AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser typescript' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, CSS): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=css AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser css' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, LESS): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=less AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser less' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, SCSS): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=scss AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser scss' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, JSON): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=json AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser json' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, JSON5): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=json5 AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser json5' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, GraphQL): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=graphql AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser graphql' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, Markdown): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=markdown AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser markdown' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, Vue): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=vue AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser vue' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on filetype, YAML): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=yaml AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser yaml' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(Should set --parser based on first filetype of multiple filetypes): call ale#test#SetFilename('../prettier-test-files/testfile') set filetype=css.scss AssertEqual \ { \ 'command': ale#path#CdString(expand('%:p:h')) \ . ale#Escape(g:ale_javascript_prettier_executable) \ . ' --parser css' \ . ' --stdin-filepath %s --stdin', \ }, \ ale#fixers#prettier#ApplyFixForVersion(bufnr(''), ['1.6.0']) Execute(The prettier_d post-processor should permit regular JavaScript content): AssertEqual \ [ \ 'const x = ''Error: foo''', \ 'const y = 3', \ ], \ ale#fixers#prettier#ProcessPrettierDOutput(bufnr(''), [ \ 'const x = ''Error: foo''', \ 'const y = 3', \ ]) Execute(The prettier_d post-processor should handle error messages correctly): AssertEqual \ [], \ ale#fixers#prettier#ProcessPrettierDOutput(bufnr(''), [ \ 'SyntaxError: Unexpected token, expected "," (36:28)', \ ])