minor #4892 CombineNestedDirnameFixer - Add space after comma (julienfalque)

This PR was merged into the 2.15 branch.

Discussion
----------

CombineNestedDirnameFixer - Add space after comma

Ref: #3475 (comment).

Commits
-------

afa4ca8 CombineNestedDirnameFixer - Add space after comma

Author: SpacePossum

src/Fixer/FunctionNotation/CombineNestedDirnameFixer.php

@@ -225,7 +225,7 @@ private function combineDirnames(Tokens $tokens, array $dirnameInfoArray)
             $prev = $tokens->getPrevMeaningfulToken($outerDirnameInfo['end']);
             $items = [];
             if (!$tokens[$prev]->equals(',')) {
-                $items[] = new Token(',');
+                $items = [new Token(','), new Token([T_WHITESPACE, ' '])];
             }
             $items[] = $levelsToken;
             $tokens->insertAt($outerDirnameInfo['end'], $items);

tests/Fixer/FunctionNotation/CombineNestedDirnameFixerTest.php

@@ -48,19 +48,19 @@ public function provideFixCases()
                 '<?php dirname($path, 3);',
             ],
             [
-                '<?php dirname($path,2);',
+                '<?php dirname($path, 2);',
                 '<?php dirname(dirname($path));',
             ],
             [
-                '<?php dirname /* a */ ( /* b */ /* c */ $path /* d */,2);',
+                '<?php dirname /* a */ ( /* b */ /* c */ $path /* d */, 2);',
                 '<?php dirname /* a */ ( /* b */ dirname( /* c */ $path) /* d */);',
             ],
             [
-                '<?php dirname($path,3);',
+                '<?php dirname($path, 3);',
                 '<?php dirname(\dirname(dirname($path)));',
             ],
             [
-                '<?php dirname($path,4);',
+                '<?php dirname($path, 4);',
                 '<?php dirname(dirname($path, 3));',
             ],
             [
@@ -72,7 +72,7 @@ public function provideFixCases()
                 '<?php dirname(dirname($path, 2), 3);',
             ],
             [
-                '<?php dirname($path,5);',
+                '<?php dirname($path, 5);',
                 '<?php dirname(dirname(dirname($path), 3));',
             ],
             [
@@ -88,11 +88,11 @@ public function provideFixCases()
                 '<?php foo\dirname(dirname($path));',
             ],
             [
-                '<?php dirname(foo(dirname($path,2)),2);',
+                '<?php dirname(foo(dirname($path, 2)), 2);',
                 '<?php dirname(dirname(foo(dirname(dirname($path)))));',
             ],
             [
-                '<?php new dirname(dirname($path,2));',
+                '<?php new dirname(dirname($path, 2));',
                 '<?php new dirname(dirname(dirname($path)));',
             ],
         ];
@@ -122,7 +122,7 @@ public function provideFix73Cases()
     {
         return [
             [
-                '<?php dirname($path,3);',
+                '<?php dirname($path, 3);',
                 '<?php dirname(dirname(dirname($path, ), ));',
             ],
             [

tests/Fixtures/Integration/misc/combine_nested_dirname,no_trailing_whitespace.test

@@ -7,7 +7,7 @@ Integration of fixers: combine_nested_dirname,no_trailing_whitespace.
 --EXPECT--
 <?php
 dirname($path
-,3);
+, 3);
 
 --INPUT--
 <?php

tests/Fixtures/Integration/misc/combine_nested_dirname,no_whitespace_in_blank_line.test

@@ -8,7 +8,7 @@ Integration of fixers: combine_nested_dirname,no_whitespace_in_blank_line.
 <?php
 dirname(
         $path
-,2);
+, 2);
 
 --INPUT--
 <?php

tests/Fixtures/Integration/priority/combine_nested_dirname,no_spaces_inside_parenthesis.test

@@ -6,7 +6,7 @@ Integration of fixers: combine_nested_dirname,no_spaces_inside_parenthesis.
 {"php": 70000}
 --EXPECT--
 <?php
-dirname ($path ,2);
+dirname ($path , 2);
 
 --INPUT--
 <?php

tests/Fixtures/Integration/priority/dir_constant,combine_nested_dirname.test

@@ -6,7 +6,7 @@ Integration of fixers: dir_constant,combine_nested_dirname.
 {"php": 70000}
 --EXPECT--
 <?php
-dirname(__DIR__,2);
+dirname(__DIR__, 2);
 
 --INPUT--
 <?php