+ [misc] Add unit tests for chartTao::switchFieldName() method

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

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

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

@@ -5,6 +5,7 @@ class chartTest
     {
         global $tester;
         $this->objectModel = $tester->loadModel('chart');
+        $this->objectTao   = $tester->loadTao('chart');
     }
 
     /**
@@ -685,4 +686,26 @@ class chartTest
 
         return $result;
     }
+
+    /**
+     * Test switchFieldName method.
+     *
+     * @param  array  $fields
+     * @param  array  $langs
+     * @param  array  $metrics
+     * @param  string $index
+     * @access public
+     * @return string
+     */
+    public function switchFieldNameTest(array $fields, array $langs, array $metrics, string $index): string
+    {
+        $reflection = new ReflectionClass($this->objectTao);
+        $method = $reflection->getMethod('switchFieldName');
+        $method->setAccessible(true);
+        
+        $result = $method->invoke($this->objectTao, $fields, $langs, $metrics, $index);
+        if(dao::isError()) return dao::getError();
+
+        return $result;
+    }
 }

module/chart/test/tao/switchfieldname.php

@@ -0,0 +1,93 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 chartTao::switchFieldName();
+timeout=0
+cid=0
+
+- 执行chartTest模块的switchFieldNameTest方法，参数是$fields1, $langs1, $metrics1, '0'  @状态字段
+- 执行chartTest模块的switchFieldNameTest方法，参数是$fields2, $langs2, $metrics2, '0'  @Bug状态
+- 执行chartTest模块的switchFieldNameTest方法，参数是$fields3, $langs3, $metrics3, '0'  @中文任务名称
+- 执行chartTest模块的switchFieldNameTest方法，参数是$fields4, $langs4, $metrics4, '0'  @空字段配置
+- 执行chartTest模块的switchFieldNameTest方法，参数是$fields5, $langs5, $metrics5, '0'  @项目名称中文
+
+*/
+
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/chart.unittest.class.php';
+
+su('admin');
+
+$chartTest = new chartTest();
+
+// 测试步骤1：基本字段名称获取
+$fields1 = array(
+    'status' => array('name' => '状态字段'),
+    'priority' => array('name' => '优先级字段')
+);
+$langs1 = array();
+$metrics1 = array('status', 'priority');
+r($chartTest->switchFieldNameTest($fields1, $langs1, $metrics1, '0')) && p() && e('状态字段');
+
+// 测试步骤2：关联对象字段名称转换
+$fields2 = array(
+    'bugStatus' => array(
+        'name' => '默认状态名',
+        'object' => 'bug',
+        'field' => 'status'
+    )
+);
+$langs2 = array();
+$metrics2 = array('bugStatus');
+r($chartTest->switchFieldNameTest($fields2, $langs2, $metrics2, '0')) && p() && e('Bug状态');
+
+// 测试步骤3：客户端语言优先级
+$fields3 = array(
+    'taskName' => array(
+        'name' => '默认任务名',
+        'object' => 'task',
+        'field' => 'name'
+    )
+);
+$langs3 = array(
+    'taskName' => array(
+        'zh-cn' => '中文任务名称',
+        'en' => 'English Task Name'
+    )
+);
+$metrics3 = array('taskName');
+r($chartTest->switchFieldNameTest($fields3, $langs3, $metrics3, '0')) && p() && e('中文任务名称');
+
+// 测试步骤4：空语言配置处理
+$fields4 = array(
+    'emptyField' => array(
+        'name' => '空字段配置',
+        'object' => 'nonexistent',
+        'field' => 'nonexistent'
+    )
+);
+$langs4 = array();
+$metrics4 = array('emptyField');
+r($chartTest->switchFieldNameTest($fields4, $langs4, $metrics4, '0')) && p() && e('空字段配置');
+
+// 测试步骤5：复杂场景综合测试
+$fields5 = array(
+    'complexField' => array(
+        'name' => '默认字段名',
+        'object' => 'project',
+        'field' => 'name'
+    ),
+    'simpleField' => array(
+        'name' => '简单字段名'
+    )
+);
+$langs5 = array(
+    'complexField' => array(
+        'zh-cn' => '项目名称中文',
+        'en' => 'Project Name EN'
+    )
+);
+$metrics5 = array('complexField', 'simpleField');
+r($chartTest->switchFieldNameTest($fields5, $langs5, $metrics5, '0')) && p() && e('项目名称中文');