test(message): erp-message 从 45 增至 69 个单元测试 — DND 时间窗 + TransactionError + model_to_resp

- module.rs: 提取 is_in_dnd_window 纯函数 + 14 个 DND 时间窗测试（正常范围/跨午夜/边界）
- error.rs: 2 个 TransactionError 转换测试（Connection/Transaction）
- message_service: 2 个 model_to_resp 字段映射测试
- template_service: 1 个 model_to_resp 字段映射测试
- subscription_service: 1 个 model_to_resp 字段映射测试

crates/erp-message/src/service/message_service.rs

@@ -488,7 +488,7 @@ impl MessageService {
         Ok(())
     }
 
-    fn model_to_resp(m: &message::Model) -> MessageResp {
+    pub(crate) fn model_to_resp(m: &message::Model) -> MessageResp {
         MessageResp {
             id: m.id,
             tenant_id: m.tenant_id,
@@ -513,3 +513,63 @@ impl MessageService {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use chrono::Utc;
+
+    fn sample_model() -> message::Model {
+        message::Model {
+            id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000001").unwrap(),
+            tenant_id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000002").unwrap(),
+            template_id: None,
+            sender_id: None,
+            sender_type: "system".to_string(),
+            recipient_id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000003").unwrap(),
+            recipient_type: "user".to_string(),
+            title: "测试消息".to_string(),
+            body: "消息内容".to_string(),
+            priority: "normal".to_string(),
+            business_type: None,
+            business_id: None,
+            is_read: false,
+            read_at: None,
+            is_archived: false,
+            archived_at: None,
+            sent_at: None,
+            status: "sent".to_string(),
+            created_at: Utc::now(),
+            updated_at: Utc::now(),
+            created_by: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000004").unwrap(),
+            updated_by: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000004").unwrap(),
+            deleted_at: None,
+            version: 1,
+        }
+    }
+
+    #[test]
+    fn model_to_resp_maps_all_fields() {
+        let m = sample_model();
+        let resp = MessageService::model_to_resp(&m);
+        assert_eq!(resp.id, m.id);
+        assert_eq!(resp.tenant_id, m.tenant_id);
+        assert_eq!(resp.title, "测试消息");
+        assert_eq!(resp.body, "消息内容");
+        assert_eq!(resp.priority, "normal");
+        assert_eq!(resp.is_read, false);
+        assert_eq!(resp.status, "sent");
+        assert_eq!(resp.version, 1);
+    }
+
+    #[test]
+    fn model_to_resp_preserves_optional_fields() {
+        let m = sample_model();
+        let resp = MessageService::model_to_resp(&m);
+        assert_eq!(resp.template_id, None);
+        assert_eq!(resp.sender_id, None);
+        assert_eq!(resp.business_type, None);
+        assert_eq!(resp.read_at, None);
+        assert_eq!(resp.sent_at, None);
+    }
+}

crates/erp-message/src/service/subscription_service.rs

@@ -105,7 +105,7 @@ impl SubscriptionService {
         }
     }
 
-    fn model_to_resp(m: &message_subscription::Model) -> MessageSubscriptionResp {
+    pub(crate) fn model_to_resp(m: &message_subscription::Model) -> MessageSubscriptionResp {
         MessageSubscriptionResp {
             id: m.id,
             tenant_id: m.tenant_id,
@@ -121,3 +121,35 @@ impl SubscriptionService {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use chrono::Utc;
+
+    #[test]
+    fn model_to_resp_maps_all_fields() {
+        let m = message_subscription::Model {
+            id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000001").unwrap(),
+            tenant_id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000002").unwrap(),
+            user_id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000003").unwrap(),
+            notification_types: Some(serde_json::json!(["appointment"])),
+            channel_preferences: Some(serde_json::json!(["in_app"])),
+            dnd_enabled: true,
+            dnd_start: Some("22:00".to_string()),
+            dnd_end: Some("08:00".to_string()),
+            created_at: Utc::now(),
+            updated_at: Utc::now(),
+            created_by: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000003").unwrap(),
+            updated_by: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000003").unwrap(),
+            deleted_at: None,
+            version: 1,
+        };
+        let resp = SubscriptionService::model_to_resp(&m);
+        assert_eq!(resp.user_id, m.user_id);
+        assert_eq!(resp.dnd_enabled, true);
+        assert_eq!(resp.dnd_start, Some("22:00".to_string()));
+        assert_eq!(resp.dnd_end, Some("08:00".to_string()));
+        assert_eq!(resp.version, 1);
+    }
+}

crates/erp-message/src/service/template_service.rs

@@ -174,7 +174,7 @@ impl TemplateService {
         result
     }
 
-    fn model_to_resp(m: &message_template::Model) -> MessageTemplateResp {
+    pub(crate) fn model_to_resp(m: &message_template::Model) -> MessageTemplateResp {
         MessageTemplateResp {
             id: m.id,
             tenant_id: m.tenant_id,
@@ -267,4 +267,30 @@ mod tests {
         let result = TemplateService::render("你好 {{name}}", &vars);
         assert_eq!(result, "你好 赵六");
     }
+
+    #[test]
+    fn model_to_resp_maps_all_fields() {
+        let m = message_template::Model {
+            id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000001").unwrap(),
+            tenant_id: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000002").unwrap(),
+            name: "欢迎消息".to_string(),
+            code: "WELCOME".to_string(),
+            channel: "in_app".to_string(),
+            title_template: "欢迎 {{name}}".to_string(),
+            body_template: "{{name}}，欢迎使用".to_string(),
+            language: "zh-CN".to_string(),
+            created_at: chrono::Utc::now(),
+            updated_at: chrono::Utc::now(),
+            created_by: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000003").unwrap(),
+            updated_by: uuid::Uuid::parse_str("00000000-0000-0000-0000-000000000003").unwrap(),
+            deleted_at: None,
+            version: 2,
+        };
+        let resp = TemplateService::model_to_resp(&m);
+        assert_eq!(resp.name, "欢迎消息");
+        assert_eq!(resp.code, "WELCOME");
+        assert_eq!(resp.channel, "in_app");
+        assert_eq!(resp.language, "zh-CN");
+        assert_eq!(resp.version, 2);
+    }
 }