feat: 展示PDD商品和采购订单信息 (#164)

client/test/test_task_repository.py

@@ -228,6 +228,44 @@ class TaskRepositoryTests(unittest.TestCase):
         self.assertEqual([task.remote_task_id for task in tasks], ["COLLECT-BLACK"])
         self.assertEqual(self.repository.count_tasks(filters), 1)
 
+    def test_list_and_keyword_search_extract_purchase_order_no_safely(self) -> None:
+        self.repository.add_claimed_task(
+            self._task("PURCHASE-ORDER", TaskType.PURCHASE)
+        )
+        self.repository.add_claimed_task(self._task("COLLECT-BROKEN"))
+        connection = open_database(self.db_path)
+        try:
+            with connection:
+                connection.execute(
+                    "UPDATE pdd_tasks SET pdd_data = ? WHERE remote_task_id = ?",
+                    (
+                        '{"purchase":{"order_no":"ORDER-20260811"}}',
+                        "PURCHASE-ORDER",
+                    ),
+                )
+                connection.execute(
+                    "UPDATE pdd_tasks SET pdd_data = ? WHERE remote_task_id = ?",
+                    ("不是有效JSON", "COLLECT-BROKEN"),
+                )
+        finally:
+            connection.close()
+
+        tasks = self.repository.list_tasks()
+        by_id = {task.remote_task_id: task for task in tasks}
+        searched = self.repository.list_tasks(
+            TaskFilters(keyword="20260811")
+        )
+
+        self.assertEqual(by_id["PURCHASE-ORDER"].order_no, "ORDER-20260811")
+        self.assertIsNone(by_id["COLLECT-BROKEN"].order_no)
+        self.assertEqual(
+            [task.remote_task_id for task in searched], ["PURCHASE-ORDER"]
+        )
+        self.assertEqual(
+            self.repository.count_tasks(TaskFilters(keyword="ORDER-20260811")),
+            1,
+        )
+
     def test_keyword_treats_percent_as_normal_text(self) -> None:
         self.repository.add_claimed_task(self._task("TASK-100%", title="百分号"))
         self.repository.add_claimed_task(self._task("TASK-OTHER", title="普通商品"))