[#48] Remove false and null from paths array in factory

Author: 1blankz7

src/Factory.php

@@ -78,6 +78,6 @@ protected function getPathsAfterResolvingWildcards(array $paths): array
             }
         }
 
-        return $_paths;
+        return \array_filter($_paths);
     }
 }

tests/FactoryTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace SebastianBergmann\FileIterator;
+
+use org\bovigo\vfs\vfsStream;
+use org\bovigo\vfs\vfsStreamDirectory;
+use PHPUnit\Framework\TestCase;
+
+class FactoryTest extends TestCase
+{
+    /**
+     * @var string
+     */
+    private $root;
+
+    /**
+     * @var Factory
+     */
+    private $factory;
+
+    public function setUp()
+    {
+        $this->root = __DIR__;
+        $this->factory = new Factory;
+    }
+
+    public function testFindFilesInTestDirectory()
+    {
+        $iterator = $this->factory->getFileIterator($this->root, 'Test.php');
+        $files = \iterator_to_array($iterator);
+
+        $this->assertGreaterThanOrEqual(1, count($files));
+    }
+
+    public function testFindFilesWithExcludedNonExistingSubdirectory()
+    {
+        $iterator = $this->factory->getFileIterator($this->root, 'Test.php', '', [$this->root . '/nonExistingDir']);
+        $files = \iterator_to_array($iterator);
+
+        $this->assertGreaterThanOrEqual(1, count($files));
+    }
+}