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Pass --compiler flag to elm-test when linting 0.19 tests

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This makes elm make linter work when elm is not installed globally.
This commit is contained in:
Rafał Cieślak 2019-01-19 22:04:41 +01:00
parent d1fc084b2d
commit 9c0c6efbd0
2 changed files with 15 additions and 2 deletions
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14
ale_linters/elm/make.vim
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@ -189,7 +189,10 @@ endfunction
" Return the command to execute the linter in the projects directory.
" If it doesn't, then this will fail when imports are needed.
function! ale_linters#elm#make#GetCommand(buffer) abort
let l:executable = ale_linters#elm#make#GetExecutable(a:buffer)
let l:root_dir = ale_linters#elm#make#GetRootDir(a:buffer)
let l:is_v19 = ale_linters#elm#make#IsVersionGte19(a:buffer)
let l:is_using_elm_test = l:executable =~# 'elm-test$'
if empty(l:root_dir)
let l:dir_set_cmd = ''
@ -197,11 +200,20 @@ function! ale_linters#elm#make#GetCommand(buffer) abort
let l:dir_set_cmd = 'cd ' . ale#Escape(l:root_dir) . ' && '
endif
" elm-test needs to know the path of elm-make if elm isn't installed globally.
" https://github.com/rtfeldman/node-test-runner/blob/57728f10668f2d2ab3179e7e3208bcfa9a1f19aa/README.md#--compiler
if l:is_v19 && l:is_using_elm_test
let l:elm_make_executable = ale#node#FindExecutable(a:buffer, 'elm_make', ['node_modules/.bin/elm'])
let l:elm_test_compiler_flag = ' --compiler ' . l:elm_make_executable . ' '
else
let l:elm_test_compiler_flag = ' '
endif
" The elm compiler, at the time of this writing, uses '/dev/null' as
" a sort of flag to tell the compiler not to generate an output file,
" which is why this is hard coded here.
" Source: https://github.com/elm-lang/elm-compiler/blob/19d5a769b30ec0b2fc4475985abb4cd94cd1d6c3/builder/src/Generate/Output.hs#L253
return l:dir_set_cmd . '%e make --report=json --output=/dev/null %t'
return l:dir_set_cmd . '%e make --report=json --output=/dev/null' . l:elm_test_compiler_flag . '%t'
endfunction
function! ale_linters#elm#make#GetExecutable(buffer) abort

3
test/command_callback/test_elm_make_command_callback.vader
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@ -22,7 +22,8 @@ Execute(should get elm-test executable for test code with elm >= 0.19):
AssertLinter g:executable,
\ 'cd ' . ale#Escape(ale#path#Simplify(g:dir . '/../elm-test-files/newapp')) . ' && '
\ . ale#Escape(g:executable) . ' make --report=json --output=/dev/null %t'
\ . ale#Escape(g:executable) . ' make --report=json --output=/dev/null --compiler '
\ . ale#path#Simplify(g:dir . '/../elm-test-files/newapp/node_modules/.bin/elm') . ' %t'
Execute(should fallback to elm executable with elm >= 0.19):
call ale#test#SetFilename('../elm-test-files/newapp-notests/tests/TestMain.elm')