Helpers refactoring

tests/units/FileHelperText.php

@@ -0,0 +1,15 @@
+<?php
+
+require_once __DIR__.'/Base.php';
+
+use Helper\File;
+
+class FileHelperTest extends Base
+{
+    public function testIcon()
+    {
+        $h = new File($this->container);
+        $this->assertEquals('fa-file-image-o', $h->icon('test.png'));
+        $this->assertEquals('fa-file-o', $h->icon('test'));
+    }
+}