+ Add unit test for storyTao fixbranchstorystage method.

module/story/tao.php

@@ -570,6 +570,7 @@ class storyTao extends storyModel
      */
     protected function fixBranchStoryStage(array $stories): array
     {
+        if(empty($stories)) return array();
         $rawQuery = $this->dao->get();
 
         /* 获取阶段序列和关联的多分支产品需求。 */

module/story/test/tao/fixbranchstorystage.php

@@ -0,0 +1,52 @@
+#!/usr/bin/env php
+<?php
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/story.class.php';
+
+$product = zdTable('product');
+$product->type->range('normal,branch');
+$product->gen(2);
+
+$projectproduct = zdTable('projectproduct');
+$projectproduct->project->range('1-5');
+$projectproduct->product->range('1-2');
+$projectproduct->branch->range('0,1,2');
+$projectproduct->gen(3);
+
+$projectstory = zdTable('projectstory');
+$projectstory->product->range('1-2');
+$projectstory->story->range('1-50');
+$projectstory->project->range('1-5');
+$projectstory->branch->range('0{25},1{25}');
+$projectstory->gen(50);
+
+$storystage = zdTable('storystage');
+$storystage->story->range('1-25{2}');
+$storystage->branch->range('0,1');
+$storystage->gen(50);
+
+$story = zdTable('story');
+$story->product->range('1');
+$story->type->range('story');
+$story->stage->range('wait,planned,projected,developing,developed,testing,tested,verified,released,closed');
+$story->branch->range('0{25},1{25}');
+$story->gen(50);
+
+/**
+
+title=测试 storyModel->fixBranchStoryStage();
+cid=1
+pid=1
+
+*/
+
+global $tester;
+$storyModel = $tester->loadModel('story');
+$stories = $storyModel->dao->select('*')->from(TABLE_STORY)->where('product')->eq(1)->andWhere('type')->eq('story')->fetchAll('id');
+
+r($storyModel->fixBranchStoryStage(array()))  && p() && e('0');  //不传入任何项目。
+
+$oldStage = $stories[6]->stage;
+$stories  = $storyModel->fixBranchStoryStage($stories);
+$newStage = $stories[6]->stage;
+r(($oldStage == 'testing' && $newStage == 'wait')) && p() && e('1');  //传入需求，检查结果。