feat: 实现采购任务安全演练 (#71)
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chengma
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"""采购任务演练应用服务测试；全部使用 Mock，不连接真实手机。"""
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import tempfile
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import unittest
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from pathlib import Path
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from src.admin_gateway import (
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AdminTask,
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AndroidDeviceInfo,
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ClaimCapabilities,
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ClientInfo,
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)
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from src.mock_admin_gateway import MockAdminGateway
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from src.pdd_purchase_adapter import PddPurchaseAdapter, PurchasePageState
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from src.purchase_task_service import PurchaseTaskService
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from src.task_models import NewClaimedTask, TaskStatus, TaskType
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from src.task_repository import TaskRepository
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OPTIONS = {"color": "黑色", "size": "L", "bundle": "标准版"}
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class RecordingDryRunAdapter(PddPurchaseAdapter):
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"""只记录调用的演练适配器，不提供提交订单能力。"""
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def __init__(
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self,
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*,
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goods_id: str = "737116531267",
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price_cent: int = 4200,
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candidate_count: int = 1,
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forced_page: str = "",
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wrong_options: bool = False,
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) -> None:
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self.goods_id = goods_id
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self.price_cent = price_cent
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self.candidate_count = candidate_count
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self.forced_page = forced_page
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self.wrong_options = wrong_options
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self.options = {}
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self.quantity = 0
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self.page_kind = "goods"
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self.calls = []
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def open_goods(self, goods_url: str) -> None:
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self.calls.append(("open_goods", goods_url))
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def read_state(self) -> PurchasePageState:
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self.calls.append(("read_state",))
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options = self.options
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if self.wrong_options and options:
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options = {**options, "size": "XL"}
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return PurchasePageState(
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page_kind=self.forced_page or self.page_kind,
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goods_id=self.goods_id,
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selected_options=dict(options),
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quantity=self.quantity,
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price_cent=self.price_cent,
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candidate_count=self.candidate_count,
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)
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def select_options(self, options) -> None:
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self.calls.append(("select_options", dict(options)))
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self.options = dict(options)
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def set_quantity(self, quantity: int) -> None:
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self.calls.append(("set_quantity", quantity))
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self.quantity = quantity
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def enter_confirmation(self) -> None:
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self.calls.append(("enter_confirmation",))
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self.page_kind = "order_confirmation"
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def stop_before_submit(self) -> None:
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self.calls.append(("stop_before_submit",))
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def close(self) -> None:
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self.calls.append(("close",))
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class PurchaseTaskServiceTest(unittest.TestCase):
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def setUp(self) -> None:
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self.temp_dir = tempfile.TemporaryDirectory()
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self.repository = TaskRepository(
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Path(self.temp_dir.name) / "client.db"
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)
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self.gateway = MockAdminGateway()
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self.client = ClientInfo("CLIENT-001", "测试客户端")
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def tearDown(self) -> None:
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self.temp_dir.cleanup()
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def _prepare_task(self, *, task_id: str = "PUR-001") -> None:
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task = AdminTask(
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task_id=task_id,
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task_type=TaskType.PURCHASE,
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version=1,
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priority=10,
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payload={
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"goods_url": (
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"https://mobile.yangkeduo.com/goods.html?"
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"goods_id=737116531267"
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),
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"goods_id": "737116531267",
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"options": dict(OPTIONS),
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"quantity": 2,
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"max_price_cent": 5000,
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},
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)
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self.gateway.enqueue_task(task, self.client.client_id)
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claimed = self.gateway.claim_next(
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self.client,
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ClaimCapabilities(
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device=AndroidDeviceInfo("USB-001"),
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supported_types=(TaskType.PURCHASE,),
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purchase_mode="dry_run",
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),
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)
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assert claimed is not None
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self.repository.add_claimed_task(
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NewClaimedTask(
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remote_task_id=claimed.task_id,
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task_type=claimed.task_type,
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goods_url=str(claimed.payload["goods_url"]),
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goods_id=str(claimed.payload["goods_id"]),
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quantity=int(claimed.payload["quantity"]),
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priority=claimed.priority,
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version=claimed.version,
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admin_payload={
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"id": claimed.task_id,
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"type": claimed.task_type.value,
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"version": claimed.version,
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"priority": claimed.priority,
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"payload": dict(claimed.payload),
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},
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)
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)
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def _service(self, adapter: RecordingDryRunAdapter):
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return PurchaseTaskService(
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self.gateway,
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self.repository,
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self.client,
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"USB-001",
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lambda _address, _cancelled: adapter,
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)
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def test_dynamic_options_dry_run_stops_before_order_submission(self):
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self._prepare_task()
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adapter = RecordingDryRunAdapter()
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outcome = self._service(adapter).execute_one_local()
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self.assertEqual(outcome.kind, "succeeded")
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self.assertIn("没有提交订单", outcome.message)
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self.assertIn(("select_options", OPTIONS), adapter.calls)
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self.assertIn(("set_quantity", 2), adapter.calls)
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self.assertIn(("enter_confirmation",), adapter.calls)
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self.assertIn(("stop_before_submit",), adapter.calls)
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detail = self.repository.get_task("PUR-001")
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assert detail is not None
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self.assertEqual(detail.status, TaskStatus.SUCCEEDED)
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purchase = detail.pdd_data["purchase"]
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self.assertEqual(purchase["mode"], "dry_run")
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self.assertEqual(purchase["requested"]["options"], OPTIONS)
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self.assertEqual(purchase["confirmed"]["options"], OPTIONS)
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self.assertFalse(purchase["order_submitted"])
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self.assertFalse(purchase["payment_attempted"])
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def test_price_above_limit_stops_before_confirmation(self):
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self._prepare_task()
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adapter = RecordingDryRunAdapter(price_cent=5001)
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outcome = self._service(adapter).execute_one_local()
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self.assertEqual(outcome.kind, "failed")
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self.assertNotIn(("enter_confirmation",), adapter.calls)
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detail = self.repository.get_task("PUR-001")
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assert detail is not None
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self.assertEqual(detail.status, TaskStatus.MANUAL_REVIEW)
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self.assertEqual(detail.last_error_code, "PURCHASE_PRICE_EXCEEDED")
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def test_result_submit_timeout_does_not_run_adapter_twice(self):
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self._prepare_task()
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adapter = RecordingDryRunAdapter()
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self.gateway.timeout_next_call()
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first = self._service(adapter).execute_one_local()
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first_call_count = len(adapter.calls)
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second = self._service(adapter).execute_one_local()
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self.assertEqual(first.kind, "result_pending")
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self.assertEqual(second.kind, "succeeded")
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self.assertEqual(len(adapter.calls), first_call_count)
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self.assertEqual(self.gateway.submission_count, 1)
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def test_invalid_pages_and_ambiguous_target_fail_safely(self):
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cases = (
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("captcha", 1, "PDD_PAGE_CAPTCHA"),
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("login_required", 1, "PDD_PAGE_LOGIN_REQUIRED"),
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("unknown", 1, "PDD_PAGE_UNKNOWN"),
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("", 2, "PURCHASE_AMBIGUOUS_TARGET"),
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)
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for index, (page, candidates, expected_code) in enumerate(cases):
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with self.subTest(page=page, candidates=candidates):
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task_id = f"PUR-BLOCK-{index}"
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self._prepare_task(task_id=task_id)
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adapter = RecordingDryRunAdapter(
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forced_page=page,
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candidate_count=candidates,
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)
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outcome = self._service(adapter).execute_selected(task_id)
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self.assertEqual(outcome.kind, "failed")
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self.assertNotIn(("enter_confirmation",), adapter.calls)
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detail = self.repository.get_task(task_id)
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assert detail is not None
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self.assertEqual(detail.last_error_code, expected_code)
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def test_wrong_goods_or_options_never_reaches_confirmation(self):
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cases = (
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({"goods_id": "OTHER"}, "PURCHASE_GOODS_MISMATCH"),
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({"wrong_options": True}, "PURCHASE_OPTIONS_MISMATCH"),
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)
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for index, (kwargs, expected_code) in enumerate(cases):
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with self.subTest(expected_code=expected_code):
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task_id = f"PUR-MISMATCH-{index}"
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self._prepare_task(task_id=task_id)
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adapter = RecordingDryRunAdapter(**kwargs)
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self._service(adapter).execute_selected(task_id)
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self.assertNotIn(("enter_confirmation",), adapter.calls)
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detail = self.repository.get_task(task_id)
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assert detail is not None
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self.assertEqual(detail.last_error_code, expected_code)
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def test_purchase_task_with_missing_safety_fields_is_reported(self):
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task_id = "PUR-INVALID"
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task = AdminTask(
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task_id=task_id,
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task_type=TaskType.PURCHASE,
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version=1,
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priority=0,
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payload={"goods_url": "https://example.test/goods"},
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)
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self.gateway.enqueue_task(task, self.client.client_id)
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self.gateway.claim_next(
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self.client,
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ClaimCapabilities(supported_types=(TaskType.PURCHASE,)),
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)
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self.repository.add_claimed_task(
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NewClaimedTask(
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remote_task_id=task_id,
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task_type=TaskType.PURCHASE,
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goods_url="https://example.test/goods",
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admin_payload={
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"id": task_id,
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"type": "purchase",
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"version": 1,
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"payload": dict(task.payload),
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},
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)
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)
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adapter = RecordingDryRunAdapter()
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outcome = self._service(adapter).execute_selected(task_id)
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self.assertEqual(outcome.kind, "failed")
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self.assertNotIn(("open_goods", "https://example.test/goods"), adapter.calls)
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detail = self.repository.get_task(task_id)
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assert detail is not None
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self.assertEqual(detail.last_error_code, "PURCHASE_TASK_INVALID")
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if __name__ == "__main__":
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unittest.main()
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