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361 lines
13 KiB
Python
361 lines
13 KiB
Python
"""test_server_smoke.py — смоук для resilience-логики tradein-browser.
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Полный браузер (camoufox subprocess) юнит-тестить непрактично, поэтому здесь
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только смоук: (1) модуль импортируется; (2) /fetch и /login отдают 503 когда
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браузер поставщика не поднят (прокси лежит) — критичный resilience-инвариант,
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защищающий от crash-storm. camoufox в окружении теста НЕ нужен: launch замокан
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no-op'ом, имитируя «прокси всё ещё недоступен».
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Per-provider модель (#1793): состояние keyed по provider (avito/cian/yandex/
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generic), доступ к инстансу сериализован _locks[provider]; разные поставщики
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работают параллельно. Конкурентность проверяется в test_server.py.
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Запуск (из tradein-mvp/browser/)::
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python -m pytest test_server_smoke.py -q
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aiohttp.test_utils.make_mocked_request не поднимает реальный сервер/сокет —
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хендлер вызывается напрямую, без event-loop-сервера.
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"""
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from __future__ import annotations
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import asyncio
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import importlib.util
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import json
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from pathlib import Path
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from typing import Any
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import pytest
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from aiohttp.test_utils import make_mocked_request
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# server.py — не пакет (отдельный сервис без __init__/pyproject). Грузим по пути.
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_SERVER_PATH = Path(__file__).resolve().parent / "server.py"
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_spec = importlib.util.spec_from_file_location("tradein_browser_server", _SERVER_PATH)
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assert _spec is not None and _spec.loader is not None
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server = importlib.util.module_from_spec(_spec)
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_spec.loader.exec_module(server)
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def _json_body(response: Any) -> dict[str, Any]:
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"""Достаёт JSON-тело из aiohttp Response (body — bytes после json_response)."""
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return json.loads(response.body.decode())
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@pytest.fixture(autouse=True)
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def _reset_state(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Чистое per-provider состояние + инициализированный _locks_guard на каждый тест."""
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monkeypatch.setattr(server, "_browsers", {})
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monkeypatch.setattr(server, "_browser_cms", {})
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monkeypatch.setattr(server, "_page_counters", {})
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monkeypatch.setattr(server, "_locks", {})
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monkeypatch.setattr(server, "_retry_tasks", {})
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monkeypatch.setattr(server, "_locks_guard", asyncio.Lock())
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def test_module_imports() -> None:
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"""Смоук: модуль импортируется и экспонирует ключевые хендлеры."""
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assert callable(server.fetch_handler)
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assert callable(server.login_handler)
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assert callable(server.health_handler)
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def test_health_reports_browsers_not_ready() -> None:
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"""/health всегда 200, browsers[<provider>]=False когда инстансы не подняты."""
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request = make_mocked_request("GET", "/health")
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response = asyncio.run(server.health_handler(request))
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assert response.status == 200
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body = _json_body(response)
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assert body["status"] == "ok"
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assert body["browsers"] == {"avito": False, "cian": False, "yandex": False, "generic": False}
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def test_health_reports_partial_readiness() -> None:
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"""/health отражает per-provider readiness: один поднят, остальные нет."""
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server._browsers["avito"] = object()
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request = make_mocked_request("GET", "/health")
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response = asyncio.run(server.health_handler(request))
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body = _json_body(response)
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assert body["browsers"]["avito"] is True
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assert body["browsers"]["cian"] is False
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def test_fetch_returns_503_when_browser_unavailable(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""/fetch отдаёт 503 (не 500/краш) когда инстанс поставщика не поднят.
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Имитирует «прокси лежит»: _ensure_browser no-op, оставляющий инстанс None.
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Никакого реального camoufox-launch'а / direct-fetch.
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"""
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async def _no_ensure(provider: str) -> bool:
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return False # прокси всё ещё недоступен → браузер остаётся None
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monkeypatch.setattr(server, "_ensure_browser", _no_ensure)
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request = make_mocked_request("POST", "/fetch")
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async def _run() -> Any:
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request.json = lambda: _coro({"url": "https://www.avito.ru/x"}) # type: ignore[method-assign]
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return await server.fetch_handler(request)
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response = asyncio.run(_run())
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assert response.status == 503
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body = _json_body(response)
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assert "browser unavailable" in body["error"]
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def test_login_returns_503_when_browser_unavailable(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""/login тоже отдаёт 503 когда инстанс не поднят (без credential-логирования)."""
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async def _no_ensure(provider: str) -> bool:
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return False
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monkeypatch.setattr(server, "_ensure_browser", _no_ensure)
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login_body = {
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"url": "https://www.cian.ru/login",
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"email": "u@example.com",
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"password": "secret",
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"email_selector": "#email",
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"password_selector": "#password",
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"submit_selector": "#submit",
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}
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request = make_mocked_request("POST", "/login")
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async def _run() -> Any:
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request.json = lambda: _coro(login_body) # type: ignore[method-assign]
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return await server.login_handler(request)
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response = asyncio.run(_run())
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assert response.status == 503
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body = _json_body(response)
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assert "browser unavailable" in body["error"]
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# ── per-provider state isolation ─────────────────────────────────────────────────
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class _FakePage:
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"""Поддельная page: считает open/close и отмечает пик параллелизма."""
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def __init__(self, tracker: "_Tracker") -> None:
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self._tracker = tracker
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async def route(self, pattern: str, handler: Any) -> None:
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return None
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async def goto(self, url: str, **kwargs: Any) -> None:
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self._tracker.active += 1
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self._tracker.peak = max(self._tracker.peak, self._tracker.active)
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await asyncio.sleep(0.02)
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self._tracker.active -= 1
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async def wait_for_timeout(self, ms: int) -> None:
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return None
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async def content(self) -> str:
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return "<html>ok</html>"
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async def close(self) -> None:
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self._tracker.closed += 1
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class _FakeBrowser:
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def __init__(self, tracker: "_Tracker") -> None:
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self._tracker = tracker
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async def new_page(self) -> _FakePage:
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self._tracker.opened += 1
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return _FakePage(self._tracker)
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class _Tracker:
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def __init__(self) -> None:
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self.opened = 0
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self.closed = 0
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self.active = 0
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self.peak = 0
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def _make_fetch_request(url: str = "https://www.avito.ru/x") -> Any:
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request = make_mocked_request("POST", "/fetch")
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request.json = lambda: _coro({"url": url}) # type: ignore[method-assign]
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return request
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def test_fetch_opens_and_closes_own_page(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Один /fetch открывает ровно одну собственную страницу и закрывает её."""
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tracker = _Tracker()
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server._browsers["avito"] = _FakeBrowser(tracker)
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monkeypatch.setattr(server, "BROWSER_RECYCLE_PAGES", 10_000)
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async def _ensure(provider: str) -> bool:
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return True
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monkeypatch.setattr(server, "_ensure_browser", _ensure)
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response = asyncio.run(server.fetch_handler(_make_fetch_request()))
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assert response.status == 200
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assert _json_body(response)["html"] == "<html>ok</html>"
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assert tracker.opened == 1
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assert tracker.closed == 1
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# ── _relaunch resets per-provider page counter (recycle) ─────────────────────────
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def test_fetch_recycles_after_threshold(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Достижение BROWSER_RECYCLE_PAGES → _relaunch_browser + сброс счётчика."""
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tracker = _Tracker()
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server._browsers["avito"] = _FakeBrowser(tracker)
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server._page_counters["avito"] = 0
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monkeypatch.setattr(server, "BROWSER_RECYCLE_PAGES", 1)
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relaunched = {"n": 0}
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async def _fake_relaunch(provider: str) -> None:
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relaunched["n"] += 1
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server._page_counters[provider] = 0
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async def _ensure(provider: str) -> bool:
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return True
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monkeypatch.setattr(server, "_relaunch_browser", _fake_relaunch)
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monkeypatch.setattr(server, "_ensure_browser", _ensure)
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asyncio.run(server.fetch_handler(_make_fetch_request()))
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assert relaunched["n"] == 1, "recycle должен сработать на пороге"
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assert server._page_counters["avito"] == 0
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# ── _login_once closes page on CancelledError (BaseException leak fix) ────────────
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class _CancellingLoginPage:
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"""Page для /login, которая бросает CancelledError внутри логина."""
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def __init__(self, tracker: "_Tracker") -> None:
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self._tracker = tracker
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self.url = "https://www.cian.ru/login"
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async def goto(self, url: str, **kwargs: Any) -> None:
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return None
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async def wait_for_timeout(self, ms: int) -> None:
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return None
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async def fill(self, selector: str, value: str, **kwargs: Any) -> None:
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raise asyncio.CancelledError()
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async def close(self) -> None:
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self._tracker.closed += 1
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class _CancellingLoginBrowser:
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def __init__(self, tracker: "_Tracker") -> None:
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self._tracker = tracker
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async def new_page(self) -> _CancellingLoginPage:
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self._tracker.opened += 1
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return _CancellingLoginPage(self._tracker)
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def test_login_closes_page_on_cancelled_error(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""_login_once закрывает страницу даже при CancelledError (finally, не except)."""
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tracker = _Tracker()
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server._browsers["cian"] = _CancellingLoginBrowser(tracker)
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params = {
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"url": "https://www.cian.ru/login",
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"email": "u@example.com",
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"password": "secret",
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"email_selector": "#email",
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"password_selector": "#password",
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"submit_selector": "#submit",
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}
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with pytest.raises(asyncio.CancelledError):
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asyncio.run(server._login_once("cian", params))
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assert tracker.opened == 1
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assert tracker.closed == 1, "страница должна закрыться в finally при CancelledError"
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# ── _fetch_once: origin-goto ТОЛЬКО когда передан (DomClick anti-bot, #2429-ish) ──
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# Зеркалит _fetch_json_once (#1917): когда origin передан, камуфокс сначала заходит
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# на origin (same-site якорь, напр. SERP), затем на целевой url — органическая
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# навигация вместо холодного goto. origin=None (дефолт, все providers кроме
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# domclick detail) должен остаться РОВНО одним goto(url), без регрессии.
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class _OriginTrackingPage:
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"""Поддельная page: фиксирует ВСЕ goto-URL по порядку вызова."""
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def __init__(self) -> None:
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self.goto_urls: list[str] = []
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self.closed = 0
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async def route(self, pattern: str, handler: Any) -> None:
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return None
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async def goto(self, url: str, **kwargs: Any) -> None:
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self.goto_urls.append(url)
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async def wait_for_timeout(self, ms: int) -> None:
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return None
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async def content(self) -> str:
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return "<html>ok</html>"
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async def close(self) -> None:
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self.closed += 1
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class _OriginTrackingBrowser:
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def __init__(self, page: _OriginTrackingPage) -> None:
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self._page = page
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async def new_page(self) -> _OriginTrackingPage:
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return self._page
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def test_fetch_once_navigates_origin_then_url_when_provided(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""origin передан → ДВА goto по порядку: origin первым, затем url."""
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page = _OriginTrackingPage()
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server._browsers["avito"] = _OriginTrackingBrowser(page)
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monkeypatch.setattr(server, "BROWSER_RECYCLE_PAGES", 10_000)
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html = asyncio.run(
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server._fetch_once(
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"avito", "https://www.avito.ru/card/1", origin="https://www.avito.ru/serp"
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)
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)
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assert html == "<html>ok</html>"
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assert page.goto_urls == ["https://www.avito.ru/serp", "https://www.avito.ru/card/1"]
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assert page.closed == 1
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def test_fetch_once_single_goto_when_origin_none(monkeypatch: pytest.MonkeyPatch) -> None:
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"""origin не передан (дефолт, avito/cian/yandex) → РОВНО один goto(url), без regressии."""
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page = _OriginTrackingPage()
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server._browsers["avito"] = _OriginTrackingBrowser(page)
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monkeypatch.setattr(server, "BROWSER_RECYCLE_PAGES", 10_000)
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html = asyncio.run(server._fetch_once("avito", "https://www.avito.ru/card/1"))
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assert html == "<html>ok</html>"
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assert page.goto_urls == ["https://www.avito.ru/card/1"]
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async def _coro(value: Any) -> Any:
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"""Хелпер: оборачивает значение в awaitable для подмены request.json()."""
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return value
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