diff --git a/src/Console/Command/ProcessCommand.php b/src/Console/Command/ProcessCommand.php
index b56c05df1fb..c6a1b2477f3 100644
--- a/src/Console/Command/ProcessCommand.php
+++ b/src/Console/Command/ProcessCommand.php
@@ -5,15 +5,14 @@ namespace Rector\Console\Command;
 use Rector\Application\FileProcessor;
 use Rector\Exception\FileSystem\DirectoryNotFoundException;
 use Rector\Exception\NoRectorsLoadedException;
+use Rector\FileSystem\PhpFilesFinder;
 use Rector\Naming\CommandNaming;
 use Rector\Rector\RectorCollector;
-use SplFileInfo;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
-use Symfony\Component\Finder\Finder;
 
 final class ProcessCommand extends Command
 {
@@ -36,15 +35,21 @@ final class ProcessCommand extends Command
      * @var SymfonyStyle
      */
     private $symfonyStyle;
+    /**
+     * @var PhpFilesFinder
+     */
+    private $phpFilesFinder;
 
     public function __construct(
         FileProcessor $fileProcessor,
         RectorCollector $rectorCollector,
-        SymfonyStyle $symfonyStyle
+        SymfonyStyle $symfonyStyle,
+        PhpFilesFinder $phpFilesFinder
     ) {
         $this->fileProcessor = $fileProcessor;
         $this->rectorCollector = $rectorCollector;
         $this->symfonyStyle = $symfonyStyle;
+        $this->phpFilesFinder = $phpFilesFinder;
 
         parent::__construct();
     }
@@ -67,7 +72,7 @@ final class ProcessCommand extends Command
 
         $this->ensureSomeRectorsAreRegistered();
 
-        $files = $this->findPhpFilesInDirectories($source);
+        $files = $this->phpFilesFinder->findInDirectories($source);
 
         $this->reportFoundFiles($files);
 
@@ -80,23 +85,6 @@ final class ProcessCommand extends Command
         return 0;
     }
 
-    /**
-     * @param string[] $directories
-     * @return SplFileInfo[] array
-     */
-    private function findPhpFilesInDirectories(array $directories): array
-    {
-        $finder = Finder::create()
-            ->files()
-            ->name('*.php')
-            ->exclude('examples')
-            ->exclude('tests')
-            ->exclude('Tests')
-            ->in($directories);
-
-        return iterator_to_array($finder->getIterator());
-    }
-
     private function ensureSomeRectorsAreRegistered(): void
     {
         if ($this->rectorCollector->getRectorCount() > 0) {
diff --git a/src/FileSystem/PhpFilesFinder.php b/src/FileSystem/PhpFilesFinder.php
new file mode 100644
index 00000000000..94fa65b4758
--- /dev/null
+++ b/src/FileSystem/PhpFilesFinder.php
@@ -0,0 +1,27 @@
+<?php declare(strict_types=1);
+
+namespace Rector\FileSystem;
+
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Finder\SplFileInfo;
+
+final class PhpFilesFinder
+{
+    /**
+     * @param string[] $directories
+     * @return SplFileInfo[]
+     */
+    public function findInDirectories(array $directories): array
+    {
+        $finder = Finder::create()
+            ->files()
+            ->name('*.php')
+            ->exclude('examples')
+            ->exclude('tests')
+            ->exclude('Tests')
+            ->exclude('Test')
+            ->in($directories);
+
+        return iterator_to_array($finder->getIterator());
+    }
+}