+ [misc] Add unit tests for biModel::validateSql() method

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

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

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

@@ -729,4 +729,20 @@ class biTest
 
         return $result;
     }
+
+    /**
+     * Test validateSql method.
+     *
+     * @param  string $sql
+     * @param  string $driver
+     * @access public
+     * @return mixed
+     */
+    public function validateSqlTest($sql, $driver = 'mysql')
+    {
+        $result = $this->objectModel->validateSql($sql, $driver);
+        if(dao::isError()) return dao::getError();
+
+        return $result;
+    }
 }

module/bi/test/model/validatesql.php

@@ -0,0 +1,26 @@
+#!/usr/bin/env php
+<?php
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/bi.unittest.class.php';
+
+/**
+
+title=测试 biModel::validateSql();
+timeout=0
+cid=0
+
+- 正常简单SELECT语句 @1
+- 空SQL语句 @查询为空。
+- 语法错误的SQL语句 @~Table.*doesn.*t exist~
+- 包含重复字段的SQL语句 @~字段名重复~
+- 非SELECT语句 @~You have an error in your SQL syntax~
+
+*/
+
+$biTest = new biTest();
+
+r($biTest->validateSqlTest('SELECT id, account FROM zt_user LIMIT 1')) && p() && e('1'); // 正常简单SELECT语句
+r($biTest->validateSqlTest('')) && p() && e('查询为空。'); // 空SQL语句
+r($biTest->validateSqlTest('SELECT * FROM nonexistent_table')) && p() && e('~Table.*doesn.*t exist~'); // 语法错误的SQL语句
+r($biTest->validateSqlTest('SELECT id as duplicate, account as duplicate FROM zt_user')) && p() && e('~字段名重复~'); // 包含重复字段的SQL语句
+r($biTest->validateSqlTest('INSERT INTO zt_user (account) VALUES ("test")')) && p() && e('~You have an error in your SQL syntax~'); // 非SELECT语句