✨ Add fixer for CommaSpacingSniff

Author: Vincent Langlet

Symfony3Custom/Sniffs/WhiteSpace/CommaSpacingSniff.php

@@ -45,11 +45,15 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
         if ($tokens[$stackPtr + 1]['line'] === $line
             && $tokens[$stackPtr + 1]['code'] !== T_WHITESPACE
         ) {
-            $phpcsFile->addError(
+            $fix = $phpcsFile->addFixableError(
                 'Add a single space after each comma delimiter',
                 $stackPtr,
                 'Invalid'
             );
+
+            if ($fix) {
+                $phpcsFile->fixer->addContent($stackPtr, ' ');
+            }
         }
 
     }

Symfony3Custom/Tests/WhiteSpace/CommaSpacingUnitTest.inc

@@ -0,0 +1,6 @@
+<?php
+
+testFunction(args1, args2);
+testFunction(args1,args2);
+
+$array = [$a, $b,$c];

Symfony3Custom/Tests/WhiteSpace/CommaSpacingUnitTest.inc.fixed

@@ -0,0 +1,6 @@
+<?php
+
+testFunction(args1, args2);
+testFunction(args1, args2);
+
+$array = [$a, $b, $c];

Symfony3Custom/Tests/WhiteSpace/CommaSpacingUnitTest.php

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * Unit test class for the CommaSpacing sniff.
+ *
+ * A sniff unit test checks a .inc file for expected violations of a single
+ * coding standard. Expected errors and warnings are stored in this class.
+ */
+class Symfony3Custom_Tests_WhiteSpace_CommaSpacingUnitTest
+    extends AbstractSniffUnitTest
+{
+    /**
+     * Returns the lines where errors should occur.
+     *
+     * The key of the array should represent the line number and the value
+     * should represent the number of errors that should occur on that line.
+     *
+     * @return array<int, int>
+     */
+    public function getErrorList()
+    {
+        return array(
+            4 => 1,
+            6 => 1,
+        );
+    }
+
+    /**
+     * Returns the lines where warnings should occur.
+     *
+     * The key of the array should represent the line number and the value
+     * should represent the number of warnings that should occur on that line.
+     *
+     * @return array(int => int)
+     */
+    protected function getWarningList()
+    {
+        return array();
+    }
+}