+ [misc] Add unit tests for metricModel::uniteFieldList() method

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

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

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

@@ -606,4 +606,19 @@ class metricTest
 
         return $result;
     }
+
+    /**
+     * Test uniteFieldList method.
+     *
+     * @param  array $calcList
+     * @access public
+     * @return mixed
+     */
+    public function uniteFieldListTest($calcList = array())
+    {
+        $result = $this->objectModel->uniteFieldList($calcList);
+        if(dao::isError()) return dao::getError();
+
+        return $result;
+    }
 }

module/metric/test/model/unitefieldlist.php

@@ -0,0 +1,63 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 metricModel::uniteFieldList();
+timeout=0
+cid=0
+
+- 步骤1：空数组情况 @0
+- 步骤2：简单字段 @`id`,`name`,`status`
+
+- 步骤3：字段去重 @`id`,`name`,`status`,`type`
+
+- 步骤4：表前缀转换 @`user`.`id` AS `user_id`,`user`.`name` AS `user_name`,`project`.`type` AS `project_type`
+
+- 步骤5：保持AS格式 @COUNT(*) AS total_count,SUM(value) AS total_value
+
+*/
+
+// 1. 导入依赖（路径固定，不可修改）
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/metric.unittest.class.php';
+
+// 2. 用户登录（选择合适角色）
+su('admin');
+
+// 3. 创建测试实例（变量名与模块名一致）
+$metricTest = new metricTest();
+
+// 4. 强制要求：必须包含至少5个测试步骤
+
+// 创建模拟计算器对象
+class MockCalc1 {
+    public $fieldList = array();
+}
+
+class MockCalc2 {
+    public $fieldList = array();
+}
+
+// 步骤1：空数组输入测试
+r($metricTest->uniteFieldListTest(array())) && p() && e('0'); // 步骤1：空数组情况
+
+// 步骤2：单个计算器对象包含简单字段测试
+$calc1 = new MockCalc1();
+$calc1->fieldList = array('id', 'name', 'status');
+r($metricTest->uniteFieldListTest(array($calc1))) && p() && e('`id`,`name`,`status`'); // 步骤2：简单字段
+
+// 步骤3：多个计算器对象包含相同字段测试（去重）
+$calc2 = new MockCalc2();
+$calc2->fieldList = array('name', 'type', 'id');
+r($metricTest->uniteFieldListTest(array($calc1, $calc2))) && p() && e('`id`,`name`,`status`,`type`'); // 步骤3：字段去重
+
+// 步骤4：包含带表前缀字段的计算器对象测试
+$calc3 = new MockCalc1();
+$calc3->fieldList = array('user.id', 'user.name', 'project.type');
+r($metricTest->uniteFieldListTest(array($calc3))) && p() && e('`user`.`id` AS `user_id`,`user`.`name` AS `user_name`,`project`.`type` AS `project_type`'); // 步骤4：表前缀转换
+
+// 步骤5：包含已有AS别名字段的计算器对象测试
+$calc4 = new MockCalc2();
+$calc4->fieldList = array('COUNT(*) AS total_count', 'SUM(value) AS total_value');
+r($metricTest->uniteFieldListTest(array($calc4))) && p() && e('COUNT(*) AS total_count,SUM(value) AS total_value'); // 步骤5：保持AS格式