+ [misc] Add unit tests for settingModel::computeSN() method

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

module/setting/test/lib/setting.unittest.class.php

@@ -261,4 +261,18 @@ class settingTest
 
         return $objects;
     }
+
+    /**
+     * Test compute SN method.
+     *
+     * @access public
+     * @return string
+     */
+    public function computeSNTest()
+    {
+        $result = $this->objectModel->computeSN();
+        if(dao::isError()) return dao::getError();
+
+        return $result;
+    }
 }

module/setting/test/model/computesn.php

@@ -0,0 +1,27 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 settingModel::computeSN();
+timeout=0
+cid=0
+
+- 执行settingTest模块的computeSNTest方法  @32
+- 执行/', $settingTest模块的computeSNTest方法  @1
+- 执行settingTest模块的computeSNTest方法  @1
+
+*/
+
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/setting.unittest.class.php';
+
+su('admin');
+
+$settingTest = new settingTest();
+
+r(strlen($settingTest->computeSNTest())) && p() && e('32');
+r(preg_match('/^[a-f0-9]{32}$/', $settingTest->computeSNTest())) && p() && e('1');
+$sn1 = $settingTest->computeSNTest(); $sn2 = $settingTest->computeSNTest(); r($sn1 != $sn2) && p() && e('1');
+r(ctype_xdigit($settingTest->computeSNTest())) && p() && e('1');
+$result = $settingTest->computeSNTest(); r(!empty($result)) && p() && e('1');