From 16898417e68ffb6034b2a6de0c1b25502bd846d8 Mon Sep 17 00:00:00 2001
From: Horacio Sanson <hsanson@gmail.com>
Date: Sat, 16 Oct 2021 14:02:58 +0900
Subject: Fix 3941 - add version check to isort fixer (#3942)

---
 autoload/ale/fixers/isort.vim               | 31 ++++++++++++++++++++---
 test/fixers/test_isort_fixer_callback.vader | 39 ++++++++++++++++++++---------
 2 files changed, 55 insertions(+), 15 deletions(-)

diff --git a/autoload/ale/fixers/isort.vim b/autoload/ale/fixers/isort.vim
index 082e77ec..6eb6a67c 100644
--- a/autoload/ale/fixers/isort.vim
+++ b/autoload/ale/fixers/isort.vim
@@ -21,7 +21,18 @@ function! ale#fixers#isort#GetExecutable(buffer) abort
     return ale#python#FindExecutable(a:buffer, 'python_isort', ['isort'])
 endfunction
 
-function! ale#fixers#isort#Fix(buffer) abort
+function! ale#fixers#isort#GetCmd(buffer) abort
+    let l:executable = ale#fixers#isort#GetExecutable(a:buffer)
+    let l:cmd = [ale#Escape(l:executable)]
+
+    if l:executable =~? 'pipenv\|poetry$'
+        call extend(l:cmd, ['run', 'isort'])
+    endif
+
+    return join(l:cmd, ' ')
+endfunction
+
+function! ale#fixers#isort#FixForVersion(buffer, version) abort
     let l:executable = ale#fixers#isort#GetExecutable(a:buffer)
     let l:cmd = [ale#Escape(l:executable)]
 
@@ -29,7 +40,9 @@ function! ale#fixers#isort#Fix(buffer) abort
         call extend(l:cmd, ['run', 'isort'])
     endif
 
-    call add(l:cmd, '--filename %s')
+    if ale#semver#GTE(a:version, [5, 7, 0])
+        call add(l:cmd, '--filename %s')
+    endif
 
     let l:options = ale#Var(a:buffer, 'python_isort_options')
 
@@ -41,6 +54,18 @@ function! ale#fixers#isort#Fix(buffer) abort
 
     return {
     \   'cwd': '%s:h',
-    \   'command': join(l:cmd, ' ')
+    \   'command': join(l:cmd, ' '),
     \}
 endfunction
+
+function! ale#fixers#isort#Fix(buffer) abort
+    let l:executable = ale#fixers#isort#GetExecutable(a:buffer)
+    let l:command = ale#fixers#isort#GetCmd(a:buffer) . ale#Pad('--version')
+
+    return ale#semver#RunWithVersionCheck(
+    \     a:buffer,
+    \     l:executable,
+    \     l:command,
+    \     function('ale#fixers#isort#FixForVersion'),
+    \)
+endfunction
diff --git a/test/fixers/test_isort_fixer_callback.vader b/test/fixers/test_isort_fixer_callback.vader
index 72882737..8b665d6b 100644
--- a/test/fixers/test_isort_fixer_callback.vader
+++ b/test/fixers/test_isort_fixer_callback.vader
@@ -11,45 +11,60 @@ After:
 
 Execute(The isort callback should return the correct default values):
   silent execute 'file ' . fnameescape(g:dir . '/../test-files/python/with_virtualenv/subdir/foo/bar.py')
-  AssertEqual
+
+  " --filename option exists only after 5.7.0
+  GivenCommandOutput ['VERSION 5.7.0']
+  AssertFixer
   \ {
   \   'cwd': '%s:h',
   \   'command': ale#Escape(ale#path#Simplify(g:dir . '/../test-files/python/with_virtualenv/env/' . b:bin_dir . '/isort')) . ' --filename %s' . ' -',
-  \ },
-  \ ale#fixers#isort#Fix(bufnr(''))
+  \ }
 
 Execute(The isort callback should respect custom options):
   let g:ale_python_isort_options = '--multi-line=3 --trailing-comma'
 
   silent execute 'file ' . fnameescape(g:dir . '/../test-files/python/with_virtualenv/subdir/foo/bar.py')
-  AssertEqual
+
+  " --filename option exists only after 5.7.0
+  GivenCommandOutput ['VERSION 5.7.0']
+  AssertFixer
   \ {
   \   'cwd': '%s:h',
   \   'command': ale#Escape(ale#path#Simplify(g:dir . '/../test-files/python/with_virtualenv/env/' . b:bin_dir . '/isort'))
   \     . ' --filename %s' . ' --multi-line=3 --trailing-comma -',
-  \ },
-  \ ale#fixers#isort#Fix(bufnr(''))
+  \ }
 
 Execute(Pipenv is detected when python_isort_auto_pipenv is set):
   let g:ale_python_isort_auto_pipenv = 1
 
   call ale#test#SetFilename('../test-files/python/pipenv/whatever.py')
 
-  AssertEqual
+  GivenCommandOutput ['VERSION 5.7.0']
+  AssertFixer
   \ {
   \   'cwd': '%s:h',
   \   'command': ale#Escape('pipenv') . ' run isort' . ' --filename %s' . ' -'
-  \ },
-  \ ale#fixers#isort#Fix(bufnr(''))
+  \ }
 
 Execute(Poetry is detected when python_isort_auto_poetry is set):
   let g:ale_python_isort_auto_poetry = 1
 
   call ale#test#SetFilename('../test-files/python/poetry/whatever.py')
 
-  AssertEqual
+  GivenCommandOutput ['VERSION 5.7.0']
+  AssertFixer
   \ {
   \   'cwd': '%s:h',
   \   'command': ale#Escape('poetry') . ' run isort' . ' --filename %s' . ' -'
-  \ },
-  \ ale#fixers#isort#Fix(bufnr(''))
+  \ }
+
+Execute(The isort callback should not use --filename for older versions):
+  silent execute 'file ' . fnameescape(g:dir . '/../test-files/python/with_virtualenv/subdir/foo/bar.py')
+
+  " --filename option exists only after 5.7.0
+  GivenCommandOutput ['VERSION 5.6.0']
+  AssertFixer
+  \ {
+  \   'cwd': '%s:h',
+  \   'command': ale#Escape(ale#path#Simplify(g:dir . '/../test-files/python/with_virtualenv/env/' . b:bin_dir . '/isort')) . ' -',
+  \ }
-- 
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