testing for PSR-2

Author: SignpostMarv

composer.json

@@ -8,6 +8,9 @@
     "require-dev": {
         "phpunit/phpunit": "^5.1"
     },
+    "suggest": {
+        "fabpot/php-cs-fixer": "PHP CS Fixer (testing for PSR-2 compliance)"
+    },
     "minimum-stability": "stable",
     "autoload": {
         "psr-0": {

tests/VerbalExpressions/PHPVerbalExpressions/VerbalExpressionsTest.php

@@ -561,4 +561,54 @@ public function testReplace(){
         $this->assertEquals('/foo/mg', $regex->getRegex());
         $this->assertEquals('bazbarbaz', $regex->replace('foobarfoo', 'baz'));
     }
+
+
+    public function testPsr2(){
+        $pathToRoot = dirname(dirname(dirname(__DIR__)));
+        $pathToVendor = $pathToRoot . '/vendor';
+        $pathToSrc = $pathToRoot . '/src';
+        $pathToTests = $pathToRoot . '/tests';
+
+        if(
+            !is_dir($pathToVendor)
+        ){
+            $this->markTestSkipped('Vendor directory not found.');
+            return;
+        }else if(
+            !is_dir($pathToSrc)
+        ){
+            $this->markTestSkipped('Source directory not found.');
+            return;
+        }else if(
+            !is_dir($pathToTests)
+        ){
+            $this->markTestSkipped('Tests directory not found.');
+            return;
+        }
+
+        foreach(array(
+            $pathToTests,
+            $pathToSrc,
+        ) as $dirToCheck){
+            $cmd = escapeshellcmd(
+                'php-cs-fixer fix --level=psr2 --dry-run ' . $dirToCheck
+            );
+            exec($cmd, $output, $return_var);
+            if($output){
+                array_pop($output);
+                $output = array_map('trim', $output);
+            }
+
+            $this->assertEquals(
+                0,
+                $return_var,
+                (
+                    'PSR-2 linter reported errors in ' .
+                    $dirToCheck .
+                    '/: ' .
+                    implode(';', $output)
+                )
+            );
+        }
+    }
 }