fix(weibo): 隔离换绑角色的微豆核账

tests/test_weibo_collab.py

@@ -172,6 +172,127 @@ def test_exchange_record_unique_match_and_archive(monkeypatch, db):
     assert any(item["action"] == "weibo:collab:archive" for item in timeline)
 
 
+def test_exchange_success_promotes_weidou_error_to_done(monkeypatch, db):
+    user = make_user(db)
+    account = make_account(db)
+    order = collab.create_order(
+        db,
+        user,
+        order_no="WB-ERROR-DONE",
+        shop="店铺A",
+        account_id=account.id,
+        goods_name="商品A",
+        required_weidou=100,
+        require_verified=False,
+    )
+    collab.set_status(
+        db,
+        user,
+        order,
+        collab.STATUS_WEIDOU_ERROR,
+        allow_check=True,
+    )
+
+    class FakeClient:
+        def __init__(self, *_args, **_kwargs):
+            pass
+
+        def list_exchange_records(self, *_args, **_kwargs):
+            return {
+                "list": [
+                    {
+                        "goods_name": "商品A",
+                        "game_account": "角色A",
+                        "cost_weidou": 100,
+                        "exchange_time": "2099-01-01 00:00:00",
+                        "reward_status": 2,
+                    }
+                ]
+            }
+
+    monkeypatch.setattr(collab, "WeiboClient", FakeClient)
+
+    result = collab.check_exchange_records(db, user, [order])
+
+    db.refresh(order)
+    assert result["success"] == 1
+    assert order.exchange_verdict == collab.VERDICT_SUCCESS
+    assert order.status == collab.STATUS_DONE
+    assert order.done_at is not None
+    assert collab.summary(db)["by_status"] == {collab.STATUS_DONE: 1}
+
+
+def test_balance_check_does_not_mix_roles_after_rebind(monkeypatch, db):
+    user = make_user(db)
+    account = make_account(db)
+    first = collab.create_order(
+        db,
+        user,
+        order_no="WB-ROLE-A",
+        shop="店铺A",
+        account_id=account.id,
+        goods_name="商品A",
+        required_weidou=100,
+        require_verified=False,
+    )
+    collab.set_status(
+        db,
+        user,
+        first,
+        collab.STATUS_WEIDOU_ERROR,
+        allow_check=True,
+    )
+
+    account.game_role_name = "角色B"
+    db.commit()
+    second = collab.create_order(
+        db,
+        user,
+        order_no="WB-ROLE-B",
+        shop="店铺A",
+        account_id=account.id,
+        goods_name="商品B",
+        required_weidou=200,
+        require_verified=False,
+    )
+
+    class FakeClient:
+        calls = 0
+
+        def __init__(self, *_args, **_kwargs):
+            pass
+
+        def list_mall(self, *_args, **_kwargs):
+            FakeClient.calls += 1
+            return {"weidou_balance": 200, "list": []}
+
+    monkeypatch.setattr(collab, "WeiboClient", FakeClient)
+
+    result = collab.check_balance_groups(db, user, [second], threshold=100)
+
+    db.refresh(first)
+    db.refresh(second)
+    assert result["groups"] == [
+        {
+            "account_id": account.id,
+            "uid": account.uid,
+            "game_role_name": "角色B",
+            "status": collab.STATUS_RECHARGED,
+            "status_label": collab.ORDER_STATUS_LABELS[collab.STATUS_RECHARGED],
+            "balance": 200,
+            "required_total": 200,
+            "surplus": 0,
+            "threshold": 100,
+            "reason": "ok",
+            "message": "核账通过：角色「角色B」，余额 200，订单合计 200，结余 0",
+            "order_ids": [second.id],
+        }
+    ]
+    assert FakeClient.calls == 1
+    assert first.status == collab.STATUS_WEIDOU_ERROR
+    assert second.status == collab.STATUS_RECHARGED
+
+
 def test_export_cks_returns_plaintext_and_audits_without_ck(db):
     user = make_user(db)
     account = make_account(db)