让Mock流水查询复用logId主体账号绑定

lsfx-mock-server/tests/test_statement_service.py

@@ -0,0 +1,47 @@
+"""
+StatementService 主绑定注入测试
+"""
+
+from services.file_service import FileService
+from services.statement_service import StatementService
+
+
+def test_get_bank_statement_uses_primary_binding_from_file_service(monkeypatch):
+    """同一 logId 的流水记录必须复用 FileService 中的主体与账号绑定。"""
+    file_service = FileService()
+    statement_service = StatementService(file_service=file_service)
+
+    monkeypatch.setattr(
+        file_service,
+        "_generate_primary_binding",
+        lambda: ("绑定主体", "6222000011112222"),
+    )
+
+    response = file_service.fetch_inner_flow(
+        {
+            "groupId": 1001,
+            "customerNo": "customer_001",
+            "dataChannelCode": "test",
+            "requestDateId": 20240101,
+            "dataStartDateId": 20240101,
+            "dataEndDateId": 20240131,
+            "uploadUserId": 902001,
+        }
+    )
+    log_id = response["data"][0]
+    record = file_service.file_records[log_id]
+
+    statement_response = statement_service.get_bank_statement(
+        {
+            "groupId": 1001,
+            "logId": log_id,
+            "pageNow": 1,
+            "pageSize": 5,
+        }
+    )
+
+    statements = statement_response["data"]["bankStatementList"]
+    assert statements
+    assert all(item["leName"] == record.primary_enterprise_name for item in statements)
+    assert all(item["accountMaskNo"] == record.primary_account_no for item in statements)
+