Fix #864 - Use the user's configured executable for phpstan for executable() checks

ale_linters/php/phpstan.vim

@@ -5,8 +5,14 @@
 let g:ale_php_phpstan_executable = get(g:, 'ale_php_phpstan_executable', 'phpstan')
 let g:ale_php_phpstan_level = get(g:, 'ale_php_phpstan_level', '4')
 
-function! ale_linters#php#phpstan#GetCommand(buffer) abort
+function! ale_linters#php#phpstan#GetExecutable(buffer) abort
     return ale#Var(a:buffer, 'php_phpstan_executable')
+endfunction
+
+function! ale_linters#php#phpstan#GetCommand(buffer) abort
+    let l:executable = ale_linters#php#phpstan#GetExecutable(a:buffer)
+
+    return ale#Escape(l:executable)
     \   . ' analyze -l'
     \   . ale#Var(a:buffer, 'php_phpstan_level')
     \   . ' --errorFormat raw'
@@ -34,7 +40,7 @@ endfunction
 
 call ale#linter#Define('php', {
 \   'name': 'phpstan',
-\   'executable': 'phpstan',
+\   'executable_callback': 'ale_linters#php#phpstan#GetExecutable',
 \   'command_callback': 'ale_linters#php#phpstan#GetCommand',
 \   'callback': 'ale_linters#php#phpstan#Handle',
 \})

test/command_callback/test_phpstan_command_callbacks.vader

@@ -0,0 +1,29 @@
+Before:
+  Save g:ale_php_phpstan_executable
+  Save g:ale_php_phpstan_level
+
+  unlet! g:ale_php_phpstan_executable
+  unlet! g:ale_php_phpstan_level
+
+  runtime ale_linters/php/phpstan.vim
+
+After:
+  Restore
+
+  call ale#linter#Reset()
+
+Execute(Custom executables should be used for the executable and command):
+  let g:ale_php_phpstan_executable = 'phpstan_test'
+
+  AssertEqual 'phpstan_test', ale_linters#php#phpstan#GetExecutable(bufnr(''))
+  AssertEqual
+  \ ale#Escape('phpstan_test') . ' analyze -l4 --errorFormat raw %s',
+  \ ale_linters#php#phpstan#GetCommand(bufnr(''))
+
+Execute(project with level set to 3):
+  call ale#test#SetFilename('phpstan-test-files/foo/test.php')
+  let g:ale_php_phpstan_level = 3
+
+  AssertEqual
+  \ ale#Escape('phpstan') . ' analyze -l3 --errorFormat raw %s',
+  \ ale_linters#php#phpstan#GetCommand(bufnr(''))

test/handler/test_phpstan_handler.vader

@@ -1,9 +1,4 @@
 Before:
-  Save g:ale_php_phpstan_executable
-  Save g:ale_php_phpstan_level
-
-  let g:ale_php_phpstan_executable = 'phpstan_test'
-
   call ale#test#SetDirectory('/testplugin/test')
 
   runtime ale_linters/php/phpstan.vim
@@ -14,45 +9,14 @@ After:
   call ale#test#RestoreDirectory()
   call ale#linter#Reset()
 
-Execute(project with level set to 3):
-  call ale#test#SetFilename('phpstan-test-files/foo/test.php')
-  let g:ale_php_phpstan_level = 3
-
-  AssertEqual
-  \ 'phpstan_test analyze -l3 --errorFormat raw %s',
-  \ ale_linters#php#phpstan#GetCommand(bufnr(''))
-
-Execute(project with default level):
-  call ale#test#SetFilename('phpstan-test-files/foo/test.php')
-
-  AssertEqual
-  \ 'phpstan_test analyze -l4 --errorFormat raw %s',
-  \ ale_linters#php#phpstan#GetCommand(bufnr(''))
-
-Execute(parse output without errors):
+Execute(Output without errors should be parsed correctly):
   call ale#test#SetFilename('phpstan-test-files/foo/test.php')
 
   AssertEqual
   \ [],
   \ ale_linters#php#phpstan#Handle(bufnr(''), [" 1/1 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%"])
 
-Execute(parse output with one error):
-  call ale#test#SetFilename('phpstan-test-files/foo/test.php')
-
-  AssertEqual
-  \ [
-  \   {
-  \     'lnum': 9,
-  \     'text': 'Access to an undefined property Test::$var.',
-  \     'type': 'W'
-  \   }
-  \ ],
-  \ ale_linters#php#phpstan#Handle(bufnr(''), [
-  \   ' 1/1 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%',
-  \   'phpstan-test-files/foo/test.php:9:Access to an undefined property Test::$var.',
-  \])
-
-Execute(parse output with three errors):
+Execute(Output with some errors should be parsed correctly):
   call ale#test#SetFilename('phpstan-test-files/foo/test.php')
 
   AssertEqual
@@ -80,7 +44,7 @@ Execute(parse output with three errors):
   \   'phpstan-test-files/foo/test.php:192:Invalid command testCommand.',
   \])
 
-Execute(parse output for windows filesystem):
+Execute(Output should be parsed correctly with Windows paths):
   call ale#test#SetFilename('phpstan-test-files/foo/test.php')
 
   AssertEqual
@@ -96,7 +60,7 @@ Execute(parse output for windows filesystem):
   \   'D:\phpstan-test-files\foo\test.php:9:Access to an undefined property Test::$var.',
   \])
 
-Execute(parse output for not php file):
+Execute(Output for .inc files should be parsed correctly):
   call ale#test#SetFilename('phpstan-test-files/test.inc')
 
   AssertEqual