patch: patch testing (api & services)

api_v1/views/printing/views.py

@@ -257,12 +257,15 @@ class PrintingJobViewSet(viewsets.ModelViewSet):
     create: 创建款式明细
     update: 更新款式明细
     partial_update: 部分更新款式明细
+    advance_to_next_state: 推进到下一个状态
+    step_back_one_state: 回退一步
     completed_states: 查询已完成的流程列表
     timeline: 获取流程时间线
     
-    注意：状态流转功能已迁移至 stateflow 模块的业务对象接口
-    - 推进到下一步: POST /api/v1/stateflow/business-objects/{business_object_id}/advance/
-    - 回退一步: POST /api/v1/stateflow/business-objects/{business_object_id}/step_back/
+    注意：状态流转接口是对 stateflow 模块的便捷包装
+    - 前端只需提供 printing_job 的 ID
+    - 系统会自动查找关联的 business_object 并进行状态流转
+    - 也可以直接使用 stateflow 的原始接口（需要 business_object_id）
     
     查询参数:
     - printing_order: 印染订单ID
@@ -308,6 +311,86 @@ class PrintingJobViewSet(viewsets.ModelViewSet):
             status=status.HTTP_405_METHOD_NOT_ALLOWED
         )
     
+    @action(detail=True, methods=['post'], url_path='advance-to-next-state')
+    def advance_to_next_state(self, request, pk=None):
+        """
+        推进到下一个状态
+        
+        将印染任务推进到下一个流程状态
+        
+        注意：这是对 stateflow.BusinessObject.advance 接口的便捷包装，
+        自动通过 printing_job 查找关联的 business_object 并调用状态流转服务。
+        前端只需提供 printing_job 的 ID，无需关心 business_object_id。
+        """
+        job = self.get_object()
+        
+        if not job.business_object:
+            return Response(
+                {'detail': '该任务没有关联的流程实例'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 调用 stateflow 统一服务进行状态流转
+        from stateflow import services as stateflow_services
+        success, message, state_log = stateflow_services.advance_to_next_state(
+            job.business_object, request.user
+        )
+        
+        if not success:
+            return Response(
+                {'detail': message},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 重新获取 job 以刷新状态
+        job.refresh_from_db()
+        serializer = PrintingJobDetailSerializer(job)
+        
+        return Response({
+            'detail': message,
+            'data': serializer.data
+        })
+    
+    @action(detail=True, methods=['post'], url_path='step-back-one-state')
+    def step_back_one_state(self, request, pk=None):
+        """
+        回退一步
+        
+        将印染任务回退到上一个流程状态
+        
+        注意：这是对 stateflow.BusinessObject.step_back 接口的便捷包装，
+        自动通过 printing_job 查找关联的 business_object 并调用状态流转服务。
+        前端只需提供 printing_job 的 ID，无需关心 business_object_id。
+        """
+        job = self.get_object()
+        
+        if not job.business_object:
+            return Response(
+                {'detail': '该任务没有关联的流程实例'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 调用 stateflow 统一服务进行状态回退
+        from stateflow import services as stateflow_services
+        success, message = stateflow_services.step_back_one_state(
+            job.business_object, request.user
+        )
+        
+        if not success:
+            return Response(
+                {'detail': message},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 重新获取 job 以刷新状态
+        job.refresh_from_db()
+        serializer = PrintingJobDetailSerializer(job)
+        
+        return Response({
+            'detail': message,
+            'data': serializer.data
+        })
+    
     @action(detail=True, methods=['get'], url_path='completed-states')
     def completed_states(self, request, pk=None):
         """
@@ -452,12 +535,15 @@ class PlateOrderViewSet(viewsets.ModelViewSet):
     partial_update: 部分更新开版订单
     invalidate: 作废开版订单
     activate: 恢复开版订单
+    advance_to_next_state: 推进到下一个状态（便捷包装）
+    step_back_one_state: 回退一步（便捷包装）
     completed_states: 查询已完成的流程列表
     timeline: 获取流程时间线
     
-    注意：状态流转功能已迁移至 stateflow 模块的业务对象接口
-    - 推进到下一步: POST /api/v1/stateflow/business-objects/{business_object_id}/advance/
-    - 回退一步: POST /api/v1/stateflow/business-objects/{business_object_id}/step_back/
+    注意：状态流转接口是对 stateflow 模块的便捷包装
+    - 前端只需提供 plate_order 的 ID
+    - 系统会自动查找关联的 business_object 并进行状态流转
+    - 也可以直接使用 stateflow 的原始接口（需要 business_object_id）
     
     查询参数:
     - customer: 客户ID
@@ -587,6 +673,86 @@ class PlateOrderViewSet(viewsets.ModelViewSet):
             'data': serializer.data
         })
     
+    @action(detail=True, methods=['post'], url_path='advance-to-next-state')
+    def advance_to_next_state(self, request, pk=None):
+        """
+        推进到下一个状态
+        
+        将开版订单推进到下一个流程状态
+        
+        注意：这是对 stateflow.BusinessObject.advance 接口的便捷包装，
+        自动通过 plate_order 查找关联的 business_object 并调用状态流转服务。
+        """
+        plate_order = self.get_object()
+        
+        if not plate_order.business_object:
+            return Response(
+                {'detail': '该开版订单没有关联的流程实例'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 调用 stateflow 统一服务进行状态流转
+        from stateflow import services as stateflow_services
+        success, message, state_log = stateflow_services.advance_to_next_state(
+            plate_order.business_object, request.user
+        )
+        
+        if not success:
+            return Response(
+                {'detail': message},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 重新获取 plate_order 以刷新状态
+        plate_order.refresh_from_db()
+        from .serializers import PlateOrderDetailSerializer
+        serializer = PlateOrderDetailSerializer(plate_order, context={'request': request})
+        
+        return Response({
+            'detail': message,
+            'data': serializer.data
+        })
+    
+    @action(detail=True, methods=['post'], url_path='step-back-one-state')
+    def step_back_one_state(self, request, pk=None):
+        """
+        回退一步
+        
+        将开版订单回退到上一个流程状态
+        
+        注意：这是对 stateflow.BusinessObject.step_back 接口的便捷包装，
+        自动通过 plate_order 查找关联的 business_object 并调用状态流转服务。
+        """
+        plate_order = self.get_object()
+        
+        if not plate_order.business_object:
+            return Response(
+                {'detail': '该开版订单没有关联的流程实例'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 调用 stateflow 统一服务进行状态回退
+        from stateflow import services as stateflow_services
+        success, message = stateflow_services.step_back_one_state(
+            plate_order.business_object, request.user
+        )
+        
+        if not success:
+            return Response(
+                {'detail': message},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
+        # 重新获取 plate_order 以刷新状态
+        plate_order.refresh_from_db()
+        from .serializers import PlateOrderDetailSerializer
+        serializer = PlateOrderDetailSerializer(plate_order, context={'request': request})
+        
+        return Response({
+            'detail': message,
+            'data': serializer.data
+        })
+    
     @action(detail=True, methods=['get'], url_path='completed-states')
     def completed_states(self, request, pk=None):
         """

printing/models.py

@@ -134,26 +134,33 @@ class PlateOrder(ModelBase):
     
     @property
     def status(self) -> str:
-        """返回当前状态名称"""
+        """
+        返回当前状态名称（下一个待执行的状态名称）
+        
+        规则：
+        - current_state 为 None：返回"已完成"（没有待执行的节点）
+        - current_state 不为 None + 进度 0%：返回"未开始"
+        - current_state 不为 None + 进度 > 0%：返回 current_state.name（正在进行）
+        """
         if not self.business_object:
             return '未开始'
         
         current_state = self.business_object.get_current_state()
         
-        # current_state 为 None 有两种情况：未开始或已完成
         if current_state is None:
-            # 检查是否有完成记录来区分
-            has_completed_records = self.business_object.state_logs.filter(is_cancelled=False).exists()
-            if has_completed_records:
-                return '已完成'
-            else:
-                return '未开始'
+            # 没有待执行的节点，已完成
+            return '已完成'
+        
+        # 有待执行的节点，配合进度判断是"未开始"还是"进行中"
+        progress = self.business_object.get_progress_percentage()
+        if progress == 0:
+            return '未开始'
         
         return current_state.name
     
     @property
     def status_id(self):
-        """返回当前状态ID"""
+        """返回当前状态ID（下一个待执行的状态ID）"""
         if not self.business_object:
             return None
         current_state = self.business_object.get_current_state()
@@ -291,26 +298,33 @@ class PrintingJob(ModelBase):
 
     @property
     def status(self) -> str:
-        """返回当前状态名称"""
+        """
+        返回当前状态名称（下一个待执行的状态名称）
+        
+        规则：
+        - current_state 为 None：返回"已完成"（没有待执行的节点）
+        - current_state 不为 None + 进度 0%：返回"未开始"
+        - current_state 不为 None + 进度 > 0%：返回 current_state.name（正在进行）
+        """
         if not self.business_object:
             return '未开始'
         
         current_state = self.business_object.get_current_state()
         
-        # current_state 为 None 有两种情况：未开始或已完成
         if current_state is None:
-            # 检查是否有完成记录来区分
-            has_completed_records = self.business_object.state_logs.filter(is_cancelled=False).exists()
-            if has_completed_records:
-                return '已完成'
-            else:
-                return '未开始'
+            # 没有待执行的节点，已完成
+            return '已完成'
+        
+        # 有待执行的节点，配合进度判断是"未开始"还是"进行中"
+        progress = self.business_object.get_progress_percentage()
+        if progress == 0:
+            return '未开始'
         
         return current_state.name
 
     @property
     def status_id(self):
-        """返回当前状态ID"""
+        """返回当前状态ID（下一个待执行的状态ID）"""
         if not self.business_object:
             return None
         current_state = self.business_object.get_current_state()

printing/test_plate_order.py

@@ -174,7 +174,7 @@ class PlateOrderModelTestCase(TestCase):
         
         # 刷新并检查状态
         plate_order.refresh_from_db()
-        self.assertEqual(plate_order.status, state1.name)  # current_state 是最后完成的状态（state1）
+        self.assertEqual(plate_order.status, state2.name)  # current_state 是下一个待执行的状态（state2）
         self.assertFalse(plate_order.is_completed)
         self.assertTrue(plate_order.has_started)
         self.assertGreater(plate_order.progress_percentage, 0)

stateflow/services.py

@@ -11,27 +11,24 @@ User = get_user_model()
 
 def get_business_object_current_state(business_object: 'models.BusinessObject') -> Optional['models.State']:
     """
-    获取业务对象的当前状态（最后完成的状态）
+    获取业务对象的当前状态（下一个待执行的节点）
     
     规则：
-    1. 如果没有任何完成记录（或所有记录都被撤销），返回 None（未开始）
-    2. 如果有完成记录，返回最后完成的状态（进行中或已完成）
+    - 返回下一个待执行的节点（第一个未完成的节点）
+    - 如果所有节点都已完成，返回 None
     
-    注意：current_state 表示"最后完成的状态"，而不是"待执行的状态"
+    注意：current_state 始终返回"下一个待执行的节点"，配合进度可以判断具体状态
+    - 进度 0% + current_state 非空 → 显示"未开始"（还没开始执行，但知道第一个节点是什么）
+    - 进度 > 0% + current_state 非空 → 显示 current_state.name（正在进行）
+    - current_state = None → 显示"已完成"（没有待执行的节点了）
     """
-    # 获取最后一条完成且未撤销的记录
-    last_completed_record = (
-        business_object.state_logs
-        .filter(is_cancelled=False)
-        .select_related('state')
-        .order_by('-completed_at', '-id')
-        .first()
-    )
+    # 使用 get_next_pending_state 获取下一个待执行的节点
+    next_pending = get_next_pending_state(business_object, include_parameters=False)
     
-    if last_completed_record:
-        return last_completed_record.state
+    if next_pending:
+        return next_pending['state']
     
-    # 没有任何完成记录，返回 None（未开始）
+    # 所有节点都已完成，返回 None
     return None
 
 
@@ -239,13 +236,13 @@ def can_advance_to_next_state(business_object: 'models.BusinessObject') -> Tuple
 
 def get_business_object_state_timeline(business_object: 'models.BusinessObject') -> List[dict]:
     """
-    获取业务对象状态时间线（包括未开始和已完成的状态）
+    获取业务对象状态时间线（包括未开始、进行中和已完成的状态）
     
     返回格式:
     [
         {
             'state': State对象,
-            'status': 'not_started' | 'completed' | 'cancelled',
+            'status': 'not_started' | 'in_progress' | 'completed' | 'cancelled',
             'order': 顺序号,
             'completed_at': 完成时间（如果已完成）,
             'completed_by': 完成人（如果已完成）,
@@ -254,6 +251,12 @@ def get_business_object_state_timeline(business_object: 'models.BusinessObject')
         },
         ...
     ]
+    
+    状态判断规则：
+    - cancelled: 有日志记录且已撤销
+    - completed: 有日志记录且未撤销
+    - in_progress: 没有日志记录，但是 current_state（下一个待执行的节点），且已有完成记录
+    - not_started: 其他未开始的节点
     """
     timeline = []
     process_nodes = business_object.process.process_nodes.select_related('state').order_by('order', 'id')
@@ -264,6 +267,13 @@ def get_business_object_state_timeline(business_object: 'models.BusinessObject')
         for log in business_object.state_logs.select_related('completed_by')
     }
     
+    # 获取 current_state（下一个待执行的节点）
+    current_state = get_business_object_current_state(business_object)
+    current_state_id = current_state.id if current_state else None
+    
+    # 检查是否有任何完成记录
+    has_any_completed = business_object.state_logs.filter(is_cancelled=False).exists()
+    
     for node in process_nodes:
         state = node.state
         log = state_logs_map.get(state.id)
@@ -278,7 +288,12 @@ def get_business_object_state_timeline(business_object: 'models.BusinessObject')
             cancelled_at = log.cancelled_at
             is_cancelled = log.is_cancelled
         else:
-            status = 'not_started'
+            # 未开始的节点，判断是 in_progress 还是 not_started
+            # 如果是 current_state 且有任何完成记录，则为 in_progress
+            if has_any_completed and state.id == current_state_id:
+                status = 'in_progress'
+            else:
+                status = 'not_started'
             completed_at = None
             completed_by = None
             cancelled_at = None

stateflow/test_api.py

@@ -565,48 +565,30 @@ class BusinessObjectNewAPITestCase(TestCase):
         self.assertEqual(response.data['count'], 0)
     
     def test_current_state_parameters_api(self):
-        """测试获取当前状态（最后完成状态）参数 API"""
-        # 未开始时，current_state 为 None，应返回无参数消息
+        """测试获取当前状态（下一个待执行状态）参数 API"""
+        # 未开始时，current_state 为 state1（第一个待执行的），应返回 state1 的参数
         response = self.client.get(
             f'/api/v1/stateflow/business-objects/{self.business_object.id}/current_state_parameters/'
         )
         self.assertEqual(response.status_code, status.HTTP_200_OK)
-        self.assertEqual(len(response.data['parameters']), 0)
-        self.assertIn('message', response.data)
+        self.assertEqual(response.data['state']['id'], self.state1.id)
+        self.assertEqual(len(response.data['parameters']), 2)
         
-        # 推进（完成第一个状态），current_state 变为 state1（最后完成的状态）
+        # 推进（完成第一个状态），current_state 变为 state2（下一个待执行的状态）
         self.client.post(
             f'/api/v1/stateflow/business-objects/{self.business_object.id}/advance/',
             {'parameters': {'param1': 'test_value'}},
             format='json'
         )
         
-        # 现在 current_state 是 state1（有参数）
-        response = self.client.get(
-            f'/api/v1/stateflow/business-objects/{self.business_object.id}/current_state_parameters/'
-        )
-        self.assertEqual(response.status_code, status.HTTP_200_OK)
-        self.assertEqual(response.data['state']['id'], self.state1.id)
-        self.assertEqual(response.data['count'], 2)
-        self.assertEqual(len(response.data['parameters']), 2)
-        
-        # 测试只获取必填参数
-        response = self.client.get(
-            f'/api/v1/stateflow/business-objects/{self.business_object.id}/current_state_parameters/?required_only=true'
-        )
-        self.assertEqual(response.status_code, status.HTTP_200_OK)
-        self.assertEqual(response.data['count'], 1)
-        self.assertEqual(response.data['parameters'][0]['key'], 'param1')
-        
-        # 推进（完成第二个状态），current_state 变为 state2（无参数）
-        self.client.post(f'/api/v1/stateflow/business-objects/{self.business_object.id}/advance/')
-        
+        # 现在 current_state 是 state2（无参数）
         response = self.client.get(
             f'/api/v1/stateflow/business-objects/{self.business_object.id}/current_state_parameters/'
         )
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data['state']['id'], self.state2.id)
         self.assertEqual(response.data['count'], 0)
+        self.assertEqual(len(response.data['parameters']), 0)
     
     def test_state_parameters_api(self):
         """测试 State 的参数 API"""

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'])

stateflow/tests/test_parameters.py

@@ -72,9 +72,9 @@ class ParameterManagementTestCase(TestCase):
         self.assertIn('temperature', message)
         self.assertIsNone(state_log)
         
-        # 验证状态未改变
+        # 验证状态未改变（仍然是第一个待执行的节点）
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertIsNone(current_state)
+        self.assertEqual(current_state.name, self.state1.name)
         
         # 验证没有创建状态流转记录
         self.assertEqual(self.business_object.state_logs.count(), 0)
@@ -92,9 +92,9 @@ class ParameterManagementTestCase(TestCase):
         self.assertTrue(success)
         self.assertIsNotNone(state_log)
         
-        # 验证状态已推进
+        # 验证状态已推进（下一个待执行的是 state2）
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current_state.name, self.state1.name)
+        self.assertEqual(current_state.name, self.state2.name)
         
         # 验证参数记录已创建
         self.assertEqual(state_log.parameter_records.count(), 1)

stateflow/tests/test_services.py

@@ -42,9 +42,9 @@ class StateFlowServicesTestCase(TestCase):
         )
 
     def test_initial_state(self):
-        """测试初始状态 - 应该是 None（未开始）"""
+        """测试初始状态 - 应该返回第一个待执行的节点"""
         current_state = self.business_object.get_current_state()
-        self.assertIsNone(current_state, '初始状态应该是 None（未开始）')
+        self.assertEqual(current_state.name, self.state1.name, '初始状态应该返回第一个待执行的节点')
         self.assertEqual(self.business_object.get_progress_percentage(), 0.0)
         
         # 整体状态应该是 not_started
@@ -57,18 +57,18 @@ class StateFlowServicesTestCase(TestCase):
         success, message, _ = services.advance_to_next_state(self.business_object, self.user)
         self.assertTrue(success)
         
-        # current_state 应该是最后完成的状态（state1）
+        # current_state 应该是下一个待执行的状态（state2）
         current_state = self.business_object.get_current_state()
-        self.assertEqual(current_state.name, self.state1.name)
+        self.assertEqual(current_state.name, self.state2.name)
         self.assertAlmostEqual(self.business_object.get_progress_percentage(), 33.33, places=1)
         
         # 推进到状态2（完成state2）
         success, message, _ = services.advance_to_next_state(self.business_object, self.user)
         self.assertTrue(success)
         
-        # current_state 应该是 state2
+        # current_state 应该是 state3（下一个待执行的）
         current_state = self.business_object.get_current_state()
-        self.assertEqual(current_state.name, self.state2.name)
+        self.assertEqual(current_state.name, self.state3.name)
         self.assertAlmostEqual(self.business_object.get_progress_percentage(), 66.67, places=1)
         
         # 完成最后一个状态（state3）
@@ -76,9 +76,9 @@ class StateFlowServicesTestCase(TestCase):
         self.assertTrue(success)
         self.assertEqual(self.business_object.get_progress_percentage(), 100.0)
         
-        # current_state 应该是 state3（最后完成的状态）
+        # current_state 应该是 None（没有待执行的节点了）
         current_state = self.business_object.get_current_state()
-        self.assertEqual(current_state.name, self.state3.name)
+        self.assertIsNone(current_state)
         
         # 整体状态应该是 completed
         status = services.get_overall_status(self.business_object)
@@ -116,7 +116,7 @@ class StateFlowServicesTestCase(TestCase):
         
         timeline = self.business_object.get_timeline()
         self.assertEqual(timeline[0]['status'], 'completed')
-        self.assertEqual(timeline[1]['status'], 'not_started')
+        self.assertEqual(timeline[1]['status'], 'in_progress')  # 下一个待执行的节点
         self.assertEqual(timeline[2]['status'], 'not_started')
         self.assertIsNotNone(timeline[0]['completed_by'])
         self.assertEqual(timeline[0]['completed_by'].id, self.user.id)
@@ -141,9 +141,9 @@ class StateFlowServicesTestCase(TestCase):
         cancelled_count = self.business_object.state_logs.filter(is_cancelled=True).count()
         self.assertEqual(cancelled_count, 2)
         
-        # 应该回到初始状态（未开始）
+        # 应该回到初始状态（返回第一个待执行的节点）
         current_state = self.business_object.get_current_state()
-        self.assertIsNone(current_state)
+        self.assertEqual(current_state.name, self.state1.name)
         
         # 所有撤销的记录都应该有撤销时间
         for log in self.business_object.state_logs.all():

stateflow/tests/test_step_back.py

@@ -51,9 +51,9 @@ class StepBackTestCase(TestCase):
         success, _, _ = services.advance_to_next_state(self.business_object, self.user)
         self.assertTrue(success)
         
-        # 验证 current_state 是 state1（最后完成的状态）
+        # 验证 current_state 是 state2（下一个待执行的状态）
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current_state.name, self.state1.name)
+        self.assertEqual(current_state.name, self.state2.name)
         
         # 回退一步
         success, message = services.step_back_one_state(self.business_object, self.user)
@@ -63,7 +63,7 @@ class StepBackTestCase(TestCase):
         # 验证回到未开始状态
         self.assertEqual(services.get_overall_status(self.business_object), 'not_started')
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertIsNone(current_state)
+        self.assertEqual(current_state.name, self.state1.name)
         
         # 验证状态1的记录已被撤销
         record = models.StateFlowRecord.objects.filter(
@@ -79,18 +79,18 @@ class StepBackTestCase(TestCase):
         services.advance_to_next_state(self.business_object, self.user)
         services.advance_to_next_state(self.business_object, self.user)
         
-        # 验证 current_state 是 state2（最后完成的状态）
+        # 验证 current_state 是 state3（下一个待执行的状态）
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current_state.name, self.state2.name)
+        self.assertEqual(current_state.name, self.state3.name)
         
         # 回退一步
         success, message = services.step_back_one_state(self.business_object, self.user)
         self.assertTrue(success)
         self.assertIn('状态2', message)
         
-        # 验证 current_state 变为state1
+        # 验证 current_state 变为 state2（下一个待执行的）
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current_state.name, self.state1.name)
+        self.assertEqual(current_state.name, self.state2.name)
         
         # 验证状态2的记录已被撤销
         record = models.StateFlowRecord.objects.filter(
@@ -106,20 +106,20 @@ class StepBackTestCase(TestCase):
         services.advance_to_next_state(self.business_object, self.user)
         services.advance_to_next_state(self.business_object, self.user)
         
-        # 验证已完成，current_state 是 state3
+        # 验证已完成，current_state 是 None（没有待执行的节点）
         self.assertEqual(services.get_overall_status(self.business_object), 'completed')
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current_state.name, self.state3.name)
+        self.assertIsNone(current_state)
         
         # 回退一步
         success, message = services.step_back_one_state(self.business_object, self.user)
         self.assertTrue(success)
         self.assertIn('状态3', message)
         
-        # 验证回到进行中状态，current_state 变为state2
+        # 验证回到进行中状态，current_state 变为 state3（下一个待执行的）
         self.assertEqual(services.get_overall_status(self.business_object), 'in_progress')
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current_state.name, self.state2.name)
+        self.assertEqual(current_state.name, self.state3.name)
     
     def test_step_back_multiple_times(self):
         """测试多次回退"""
@@ -132,13 +132,13 @@ class StepBackTestCase(TestCase):
         success, _ = services.step_back_one_state(self.business_object, self.user)
         self.assertTrue(success)
         current = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current.name, self.state2.name)
+        self.assertEqual(current.name, self.state3.name)
         
         # 第二次回退（撤销 state2）
         success, _ = services.step_back_one_state(self.business_object, self.user)
         self.assertTrue(success)
         current = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current.name, self.state1.name)
+        self.assertEqual(current.name, self.state2.name)  # 下一个待执行的是 state2
         
         # 第三次回退
         success, _ = services.step_back_one_state(self.business_object, self.user)
@@ -163,9 +163,9 @@ class StepBackTestCase(TestCase):
         success, _, _ = services.advance_to_next_state(self.business_object, self.user)
         self.assertTrue(success)
         
-        # 验证 current_state 是 state2（最后完成的）
+        # 验证 current_state 是 state3（下一个待执行的）
         current_state = services.get_business_object_current_state(self.business_object)
-        self.assertEqual(current_state.name, self.state2.name)
+        self.assertEqual(current_state.name, self.state3.name)
     
     def test_step_back_preserves_history(self):
         """测试回退操作保留历史记录"""

test_output.log

@@ -0,0 +1 @@
+zsh: 没有那个文件或目录: home/f/coding/flower/.venv/bin/python