patch: patch testing (api & services)

stateflow/tests/test_business_object_api.py

@@ -73,9 +73,10 @@ class BusinessObjectAPITestCase(TestCase):
         self.assertTrue(response.data['success'])
         self.assertIn('重置', response.data['message'])
         
-        # 验证进度已重置
+        # 验证进度已重置（current_state 返回第一个待执行的节点）
         self.business_object.refresh_from_db()
-        self.assertIsNone(services.get_business_object_current_state(self.business_object))
+        current_state = services.get_business_object_current_state(self.business_object)
+        self.assertEqual(current_state.name, self.state1.name)
         self.assertEqual(self.business_object.state_logs.filter(is_cancelled=False).count(), 0)
     
     def test_reset_api_not_started(self):
@@ -120,8 +121,8 @@ class BusinessObjectAPITestCase(TestCase):
         self.assertEqual(response.data[0]['completed_by'], 'testuser')
         self.assertFalse(response.data[0]['is_cancelled'])
         
-        # 其他状态仍是待执行
-        self.assertEqual(response.data[1]['status'], 'not_started')
+        # 第二个状态是进行中（下一个待执行的）
+        self.assertEqual(response.data[1]['status'], 'in_progress')
         self.assertEqual(response.data[2]['status'], 'not_started')
     
     def test_timeline_api_with_step_back(self):
@@ -469,3 +470,59 @@ class BusinessObjectAPITestCase(TestCase):
             self.assertIsNotNone(item['completed_at'])
             self.assertIsNotNone(item['completed_by'])
             self.assertFalse(item['is_cancelled'])
+    
+    def test_advance_when_already_completed(self):
+        """测试流程已完成时尝试推进（预期错误）"""
+        # 完成所有状态
+        self.client.post(
+            f'/api/v1/stateflow/business-objects/{self.business_object.id}/advance/',
+            {'parameters': {'temperature': '25.5'}},
+            format='json'
+        )
+        self.client.post(f'/api/v1/stateflow/business-objects/{self.business_object.id}/advance/')
+        self.client.post(f'/api/v1/stateflow/business-objects/{self.business_object.id}/advance/')
+        
+        # 验证已完成
+        self.assertEqual(services.get_overall_status(self.business_object), 'completed')
+        
+        # 尝试再次推进（应该失败）
+        response = self.client.post(
+            f'/api/v1/stateflow/business-objects/{self.business_object.id}/advance/'
+        )
+        
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertFalse(response.data['success'])
+        self.assertIn('流程已完成', response.data['message'])
+        self.assertIn('无法继续推进', response.data['message'])
+    
+    def test_step_back_when_not_started(self):
+        """测试未开始时尝试回退（预期错误）"""
+        # 验证未开始
+        self.assertEqual(services.get_overall_status(self.business_object), 'not_started')
+        
+        # 尝试回退（应该失败）
+        response = self.client.post(
+            f'/api/v1/stateflow/business-objects/{self.business_object.id}/step_back/'
+        )
+        
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertFalse(response.data['success'])
+        self.assertIn('没有任何状态流转记录', response.data['message'])
+    
+    def test_advance_process_without_nodes(self):
+        """测试流程没有节点时尝试推进（预期错误）"""
+        # 创建一个没有节点的流程
+        empty_process = models.Process.objects.create(name='空流程')
+        empty_business_object = models.BusinessObject.objects.create(
+            name='空业务对象',
+            process=empty_process
+        )
+        
+        # 尝试推进（应该失败）
+        response = self.client.post(
+            f'/api/v1/stateflow/business-objects/{empty_business_object.id}/advance/'
+        )
+        
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertFalse(response.data['success'])
+        self.assertIn('流程没有任何节点', response.data['message'])