added ListFilesCommandTest

src/Console/Command/ListFilesCommand.php

@@ -79,8 +79,11 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         $finder = $resolver->getFinder();
 
+        /** @var \SplFileInfo $file */
         foreach ($finder as $file) {
-            $output->writeln(escapeshellarg($file->getPath()));
+            if ($file->isFile()) {
+                $output->writeln(escapeshellarg($file->getPath().DIRECTORY_SEPARATOR.$file->getFilename()));
+            }
         }
 
         return 0;

tests/Console/Command/ListFilesCommandTest.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of PHP CS Fixer.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace PhpCsFixer\Tests\Console\Command;
+
+use PhpCsFixer\Console\Application;
+use PhpCsFixer\Console\Command\ListFilesCommand;
+use PhpCsFixer\Tests\TestCase;
+use PhpCsFixer\ToolInfo;
+use Symfony\Component\Console\Tester\CommandTester;
+
+/**
+ * @internal
+ *
+ * @covers \PhpCsFixer\Console\Command\ListFilesCommand
+ */
+final class ListFilesCommandTest extends TestCase
+{
+    public function testEmptyRulesValue()
+    {
+        $commandTester = $this->doTestExecute();
+        // TODO adjust expectation
+        $this->assertSame('', $commandTester->getDisplay());
+    }
+
+    /**
+     * @return CommandTester
+     */
+    private function doTestExecute(/*array $arguments*/)
+    {
+        $application = new Application();
+        $application->add(new ListFilesCommand(new ToolInfo()));
+
+        $command = $application->find('list-files');
+        $commandTester = new CommandTester($command);
+
+        $commandTester->execute([
+            '--config' => __DIR__.'/test-project/.php_cs'
+        ]
+        );
+
+        return $commandTester;
+    }
+}

tests/Console/Command/test-project/.php_cs

@@ -0,0 +1,18 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->in([
+        __DIR__
+    ])
+    ->exclude([
+    ])
+;
+
+return PhpCsFixer\Config::create()
+    ->setUsingCache(false)
+    ->setRules([
+            '@Symfony' => true,
+    ])
+    ->setRiskyAllowed(true)
+    ->setFinder($finder)
+    ;

tests/Console/Command/test-project/needs-fixing.php

@@ -0,0 +1,8 @@
+<?php
+
+function abc() {}
+
+function def()
+{
+
+}