[verified] redesign trash with deadline groups

tests/test_app.py

@@ -400,6 +400,7 @@ def test_task_subtasks_and_recycle_bin(client):
     assert client.delete(f"/api/v1/tasks/{parent['id']}").status_code == 204
     trash = client.get("/api/v1/trash").json()["items"]
     assert len(trash) == 1
+    assert trash[0]["subtasks"][0]["title"] == "比较价格"
     assert client.post(f"/api/v1/tasks/{parent['id']}/restore").status_code == 200
 
 
@@ -566,6 +567,25 @@ def test_trash_cursor_paginates_more_than_fifty_items(client):
     assert second.json()["next_cursor"] is None
 
 
+def test_trash_page_orders_deadline_groups_globally(client):
+    client = initialized_client(client)
+    inbox = client.get("/api/v1/lists").json()[0]
+    rows = [
+        ("无日期", None),
+        ("未来", "2099-12-30T15:59:00Z"),
+        ("过期", "2020-01-02T15:59:00Z"),
+    ]
+    for title, due_at in rows:
+        payload = {"title": title, "list_id": inbox["id"]}
+        if due_at:
+            payload.update({"due_at": due_at, "due_has_time": False})
+        task = client.post("/api/v1/tasks", json=payload).json()
+        assert client.delete(f"/api/v1/tasks/{task['id']}").status_code == 204
+
+    page = client.get("/api/v1/trash", params={"page": 1, "page_size": 50}).json()
+    assert [item["title"] for item in page["items"]] == ["过期", "未来", "无日期"]
+
+
 def test_recycle_bin_restore_and_permanent_delete_include_subtasks(client):
     client = initialized_client(client)
     inbox = client.get("/api/v1/lists").json()[0]