gui: added unit tests for Piler_Mime_Decoder class

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

tests/FormatTest.php

@@ -0,0 +1,28 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+include_once("webui/system/model.php");
+include_once("webui/model/health/health.php");
+
+final class FormatTest extends TestCase
+{
+
+   public function providerTestTimeFormatValues(){
+      return [
+         ['0', '0.00 ms'],
+         ['15', '15.00 sec'],
+         ['0.87', '870.00 ms']
+      ];
+   }
+
+   /**
+    * @dataProvider providerTestTimeFormatValues
+    */
+
+   public function test_format_time_1($timeval, $expected_result) {
+      $result = ModelHealthHealth::format_time($timeval);
+      $this->assertEquals($result, $expected_result);
+   }
+
+}