diff --git a/src/ActionManager.php b/src/ActionManager.php
index 5efbf78..3bf02c5 100755
--- a/src/ActionManager.php
+++ b/src/ActionManager.php
@@ -117,24 +117,12 @@ public function identifyFromBacktrace($usedTraits, $limit = 10, BacktraceFrame &
 
     public function registerRoutes($paths = 'app/Actions'): void
     {
-        $paths = Collection::wrap($paths)
-            ->map(function (string $path) {
-                return Str::startsWith($path, DIRECTORY_SEPARATOR) ? $path : base_path($path);
-            })
-            ->unique()
-            ->filter(function (string $path) {
-                return is_dir($path);
-            })
-            ->values();
-
-        if ($paths->isEmpty()) {
+        if (empty($paths = Util::getAbsoluteDirectories($paths))) {
             return;
         }
 
-        foreach ((new Finder)->in($paths->toArray())->files() as $file) {
-            $this->registerRoutesForAction(
-                $this->getClassnameFromPathname($file->getPathname())
-            );
+        foreach ((new Finder)->in($paths)->files() as $file) {
+            $this->registerRoutesForAction(Util::getClassnameFromFile($file));
         }
     }
 
@@ -154,13 +142,4 @@ public function registerRoutesForAction(string $className): void
 
         $className::routes($this->app->make(Router::class));
     }
-
-    protected function getClassnameFromPathname(string $pathname): string
-    {
-        return $this->app->getNamespace() . str_replace(
-            ['/', '.php'],
-            ['\\', ''],
-            Str::after($pathname, realpath(app_path()).DIRECTORY_SEPARATOR)
-        );
-    }
 }
diff --git a/src/Util.php b/src/Util.php
new file mode 100644
index 0000000..c5646b5
--- /dev/null
+++ b/src/Util.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Lorisleiva\Actions;
+
+use Illuminate\Container\Container;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Str;
+use SplFileInfo;
+
+class Util
+{
+    /**
+     * @param string|array $paths
+     * @return array
+     */
+    public static function getAbsoluteDirectories($paths): array
+    {
+        return Collection::wrap($paths)
+            ->map(function (string $path) {
+                return Str::startsWith($path, DIRECTORY_SEPARATOR) ? $path : base_path($path);
+            })
+            ->unique()
+            ->filter(function (string $path) {
+                return is_dir($path);
+            })
+            ->values()
+            ->toArray();
+    }
+
+    public static function getClassnameFromFile(SplFileInfo $file): string
+    {
+        return static::getClassnameFromRealpath($file->getRealPath());
+    }
+
+    public static function getClassnameFromRealpath(string $realpath): string
+    {
+        return Container::getInstance()->getNamespace() . str_replace(
+            ['/', '.php'],
+            ['\\', ''],
+            Str::after($realpath, realpath(app_path()).DIRECTORY_SEPARATOR)
+        );
+    }
+}
diff --git a/tests/UtilTest.php b/tests/UtilTest.php
new file mode 100644
index 0000000..f03aec5
--- /dev/null
+++ b/tests/UtilTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Lorisleiva\Actions\Tests;
+
+use Lorisleiva\Actions\Util;
+
+it('parses relative paths into absolute directories that exists', function () {
+    // When we request the absolute directories from:
+    // - one relative directory path,
+    // - one directory that does not exists,
+    // - and one file.
+    $result = Util::getAbsoluteDirectories([
+        'app/Models', 'app/IDontExists', 'composer.json'
+    ]);
+
+    // Then we only receive the absolute path of the first directory.
+    expect($result)->toBe([
+        base_path('app/Models'),
+    ]);
+});
+
+it('parses a realpath into a class name', function () {
+    // Given the realpath of a file in the app directory.
+    $realpath = realpath(app_path()) . DIRECTORY_SEPARATOR . 'MyClass.php';
+
+    // When we parse its classname.
+    $className = Util::getClassnameFromRealpath($realpath);
+
+    // Then we get the expected namespaced result.
+    expect($className)->toBe('App\MyClass');
+});