Merge branch 'hotfix/#1072-fix-iteration-of-file-lock-region-on-no-match'

Close #1072

lib/Doctrine/ORM/Cache/Region/FileLockRegion.php

@@ -201,9 +201,15 @@ class FileLockRegion implements ConcurrentRegion
      */
     public function evictAll()
     {
-        foreach (glob(sprintf("%s/*.%s" , $this->directory, self::LOCK_EXTENSION)) as $filename) {
+        // The check below is necessary because on some platforms glob returns false
+        // when nothing matched (even though no errors occurred)
+        $filenames = glob(sprintf("%s/*.%s" , $this->directory, self::LOCK_EXTENSION));
+
+        if ($filenames) {
+            foreach ($filenames as $filename) {
                 @unlink($filename);
             }
+        }
 
         return $this->region->evictAll();
     }

tests/Doctrine/Tests/ORM/Cache/FileLockRegionTest.php

@@ -27,17 +27,12 @@ class FileLockRegionTest extends AbstractRegionTest
      */
     protected $directory;
 
+    /**
+     * {@inheritDoc}
+     */
     public function tearDown()
     {
-        if ( ! is_dir($this->directory)) {
+        $this->cleanTestDirectory($this->directory);
-            return;
-        }
-
-        foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($this->directory), RecursiveIteratorIterator::CHILD_FIRST) as $file) {
-            $file->isFile() 
-                ? @unlink($file->getRealPath())
-                : @rmdir($file->getRealPath());
-        }
     }
 
     /**
@@ -247,4 +242,46 @@ class FileLockRegionTest extends AbstractRegionTest
         $this->assertNotNull($this->region->get($key));
         $this->assertFileNotExists($file);
     }
+
+    /**
+     * @group 1072
+     * @group DDC-3191
+     */
+    public function testHandlesScanErrorsGracefullyOnEvictAll()
+    {
+        $region              = $this->createRegion();
+        $reflectionDirectory = new \ReflectionProperty($region, 'directory');
+
+        $reflectionDirectory->setAccessible(true);
+        $reflectionDirectory->setValue($region, str_repeat('a', 10000));
+
+        set_error_handler(function () {}, E_WARNING);
+        $this->assertTrue($region->evictAll());
+        restore_error_handler();
+    }
+
+    /**
+     * @param string|null $path directory to clean
+     */
+    private function cleanTestDirectory($path)
+    {
+        $path = $path ?: $this->directory;
+
+        if ( ! is_dir($path)) {
+            return;
+        }
+
+        $directoryIterator = new RecursiveIteratorIterator(
+            new RecursiveDirectoryIterator($path),
+            RecursiveIteratorIterator::CHILD_FIRST
+        );
+
+        foreach ($directoryIterator as $file) {
+            if ($file->isFile()) {
+                @unlink($file->getRealPath());
+            } else {
+                @rmdir($file->getRealPath());
+            }
+        }
+    }
 }

tests/Doctrine/Tests/ORM/Tools/Export/AbstractClassMetadataExporterTest.php

@@ -393,9 +393,11 @@ abstract class AbstractClassMetadataExporterTest extends \Doctrine\Tests\OrmTest
             return unlink($path);
         } else if (is_dir($path)) {
             $files = glob(rtrim($path,'/').'/*');
+            if (is_array($files)) {
                 foreach ($files as $file){
                     $this->_deleteDirectory($file);
                 }
+            }
             return rmdir($path);
         }
     }