125 lines
4.5 KiB
Python
125 lines
4.5 KiB
Python
from __future__ import annotations
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import pytest
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from data.orders.dao import OrdersDAO
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from data.orders.models import Order
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from data.payments.service import PaymentService
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def _seed_order(db_path: str, order_id: str = "GKO-20260614-PAY") -> Order:
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order = Order(
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id=order_id,
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source="web",
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service_version="standard",
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amount_cents=9900,
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status="pending",
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customer_name="张家长",
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customer_phone="13800138000",
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candidate_name="张三",
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candidate_province="湖南",
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)
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with OrdersDAO.connect(db_path) as dao:
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return dao.create(order, actor="test", reason="seed")
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def test_create_checkout_is_idempotent_for_pending_payment(settings):
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order = _seed_order(settings.orders_db_path)
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service = PaymentService.for_db(
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settings.orders_db_path,
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base_url=settings.payment_base_url,
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webhook_secret=settings.payment_webhook_secret,
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)
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first = service.create_checkout(order.id, portal_token="portal-token")
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second = service.create_checkout(order.id, portal_token="portal-token")
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assert first.payment_id == second.payment_id
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assert first.provider == "mock"
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assert first.checkout_url.endswith(
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f"/pay/mock/{first.payment_id}?token=portal-token"
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)
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payment = service.get_payment_by_order(order.id)
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assert payment is not None
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assert payment.status == "pending"
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assert payment.amount_cents == 9900
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def test_request_refund_is_idempotent_after_payment_success(settings):
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order = _seed_order(settings.orders_db_path, order_id="GKO-20260614-REFUND-SVC")
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service = PaymentService.for_db(
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settings.orders_db_path,
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base_url=settings.payment_base_url,
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webhook_secret=settings.payment_webhook_secret,
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)
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checkout = service.create_checkout(order.id, portal_token="portal-token")
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payload, headers = service.provider.build_webhook_request(
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payment_id=checkout.payment_id,
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amount_cents=order.amount_cents,
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provider_trade_no="MOCK-PAID-001",
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)
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handled = service.handle_webhook(payload, headers["X-Mock-Signature"])
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assert handled.order_status == "paid"
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first = service.request_refund(order.id, reason="parent_request")
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second = service.request_refund(order.id, reason="duplicate_request")
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assert first.status == "refunded"
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assert second.status == "refunded"
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assert first.payment_id == second.payment_id
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with OrdersDAO.connect(settings.orders_db_path) as dao:
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reloaded = dao.get(order.id)
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assert reloaded.status == "refunded", (
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"refund request must also move the order into the refunded terminal state"
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)
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with OrdersDAO.connect(settings.orders_db_path) as dao:
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refunded_order = dao.get(order.id)
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history = dao.get_status_history(order.id)
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assert refunded_order.status == "refunded"
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assert [item.to_status for item in history] == ["pending", "paid", "refunded"]
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def test_handle_webhook_rolls_back_payment_if_order_transition_fails(
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settings, monkeypatch: pytest.MonkeyPatch
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):
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order = _seed_order(settings.orders_db_path, order_id="GKO-20260614-WEBHOOK-ATOMIC")
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service = PaymentService.for_db(
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settings.orders_db_path,
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base_url=settings.payment_base_url,
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webhook_secret=settings.payment_webhook_secret,
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)
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checkout = service.create_checkout(order.id, portal_token="portal-token")
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payload, headers = service.provider.build_webhook_request(
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payment_id=checkout.payment_id,
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amount_cents=order.amount_cents,
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provider_trade_no="MOCK-ATOMIC-001",
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)
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original_transition = OrdersDAO.transition_status
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def fail_transition(self, order_id, to_status, *, actor=None, reason=None):
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if order_id == order.id and to_status == "paid":
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raise RuntimeError("boom during order transition")
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return original_transition(
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self, order_id, to_status, actor=actor, reason=reason
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)
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monkeypatch.setattr(OrdersDAO, "transition_status", fail_transition)
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with pytest.raises(RuntimeError, match="boom during order transition"):
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service.handle_webhook(payload, headers["X-Mock-Signature"])
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payment = service.get_payment_by_order(order.id)
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assert payment is not None
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assert payment.status == "pending"
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with OrdersDAO.connect(settings.orders_db_path) as dao:
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reloaded = dao.get(order.id)
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history = dao.get_status_history(order.id)
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assert reloaded.status == "pending"
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assert [item.to_status for item in history] == ["pending"]
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