gui: added unit tests for Piler_Mime_Decoder class

Signed-off-by: Janos SUTO <sj@acts.hu>

tests/MiscTest.php

@@ -0,0 +1,35 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+define('DIR_SYSTEM', dirname(dirname(__FILE__)) . '/webui/system/');
+
+include_once("webui/system/model.php");
+include_once("webui/model/search/message.php");
+
+final class SearchMessageTest extends TestCase {
+
+   public function providerTestNiceSizeValues() {
+      return [
+         ['0', '1k'],
+         ['1000', '1k'],
+         ['2000', '2k'],
+         ['4300', '4k'],
+         ['4700', '5k'],
+         ['3000000', '3.0M'],
+         ['4240000', '4.2M'],
+         ['6810000', '6.8M']
+      ]; 
+   }
+
+   /**
+    * @dataProvider providerTestNiceSizeValues
+    */
+
+   public function test_nice_size($input, $expected_result) {
+      $result = ModelSearchMessage::NiceSize($input);
+      $this->assertEquals($result, $expected_result);
+   }
+
+
+}