Add language id of cspell (#4700)

2 files changed, 19 insertions, 5 deletions

diff --git a/autoload/ale/handlers/cspell.vim b/autoload/ale/handlers/cspell.vim
index 6137bdeb..605997ce 100644
--- a/autoload/ale/handlers/cspell.vim
+++ b/autoload/ale/handlers/cspell.vim
@@ -14,9 +14,13 @@ endfunction
 function! ale#handlers#cspell#GetCommand(buffer) abort
     let l:executable = ale#handlers#cspell#GetExecutable(a:buffer)
     let l:options = ale#Var(a:buffer, 'cspell_options')
+    let l:filetype = getbufvar(a:buffer, '&filetype')
+
+    let l:language_id_option = empty(l:filetype) ? '' : '--language-id="' . l:filetype . '"'
 
     return ale#node#Executable(a:buffer, l:executable)
     \   . ' lint --no-color --no-progress --no-summary'
+    \   . ale#Pad(l:language_id_option)
     \   . ale#Pad(l:options)
     \   . ' -- stdin'
 endfunction
diff --git a/test/linter/test_cspell.vader b/test/linter/test_cspell.vader
index 48dee7ce..17cbde89 100644
--- a/test/linter/test_cspell.vader
+++ b/test/linter/test_cspell.vader
@@ -20,6 +20,8 @@ Before:
   let g:ale_cspell_use_global = 0
   let g:ale_cspell_options = ''
 
+  set filetype=tex
+
 After:
   call ale#assert#TearDownLinterTest()
 
@@ -27,7 +29,7 @@ Execute(The global executable should be used when the local one cannot be found)
   AssertLinter
   \  'cspell',
   \  ale#Escape('cspell')
-  \  . ' lint --no-color --no-progress --no-summary -- stdin'
+  \  . ' lint --no-color --no-progress --no-summary --language-id="tex" -- stdin'
 
 Execute(Should use the node_modules/.bin executable if available):
   call ale#test#SetFilename('../test-files/cspell/node-modules/test.tex')
@@ -37,7 +39,7 @@ Execute(Should use the node_modules/.bin executable if available):
   \    . '/../test-files/cspell/node-modules/node_modules/.bin/cspell'),
   \  ale#Escape(ale#path#Simplify(g:dir
   \    . '/../test-files/cspell/node-modules/node_modules/.bin/cspell'))
-  \  . ' lint --no-color --no-progress --no-summary -- stdin'
+  \  . ' lint --no-color --no-progress --no-summary --language-id="tex" -- stdin'
 
 Execute(Should use the node_modules/cspell executable if available):
   call ale#test#SetFilename('../test-files/cspell/node-modules-2/test.tex')
@@ -48,7 +50,7 @@ Execute(Should use the node_modules/cspell executable if available):
   \  (has('win32') ? 'node.exe ': '')
   \  . ale#Escape(ale#path#Simplify(g:dir
   \    . '/../test-files/cspell/node-modules-2/node_modules/cspell/bin.js'))
-  \  . ' lint --no-color --no-progress --no-summary -- stdin'
+  \  . ' lint --no-color --no-progress --no-summary --language-id="tex" -- stdin'
 
 Execute(Should let users configure a global executable and override local paths):
   let g:ale_cspell_executable = '/path/to/custom/cspell'
@@ -57,7 +59,7 @@ Execute(Should let users configure a global executable and override local paths)
   AssertLinter
   \  '/path/to/custom/cspell',
   \  ale#Escape('/path/to/custom/cspell')
-  \  . ' lint --no-color --no-progress --no-summary -- stdin'
+  \  . ' lint --no-color --no-progress --no-summary --language-id="tex" -- stdin'
 
 Execute(Additional cspell options should be configurable):
   call ale#test#SetFilename('../test-files/dummy')
@@ -67,4 +69,12 @@ Execute(Additional cspell options should be configurable):
   AssertLinter
   \  'cspell',
   \  ale#Escape('cspell')
-  \  . ' lint --no-color --no-progress --no-summary --foobar -- stdin'
+  \  . ' lint --no-color --no-progress --no-summary --language-id="tex" --foobar -- stdin'
+
+Execute(The language id should not specified when filetype is empty):
+  set filetype=
+
+  AssertLinter
+  \  'cspell',
+  \  ale#Escape('cspell')
+  \  . ' lint --no-color --no-progress --no-summary -- stdin'