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517 lines
23 KiB
Python
517 lines
23 KiB
Python
"""test_server.py — юниты per-provider concurrency для tradein-browser (#1793).
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Проверяет ядро per-provider модели:
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1. _provider_for_url — корректный маппинг host → provider (avito/cian/yandex/generic);
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2. _provider_proxy — BROWSER_PROXY_* primary с фолбэком на legacy *_PROXY_URL;
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3. _resolve_provider — явный body["provider"] перебивает host, иначе host;
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4. конкурентность: два /fetch к РАЗНЫМ поставщикам идут параллельно (разные локи),
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два к ОДНОМУ — сериализованы (один лок). Через _do_fetch с asyncio.Event и
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замером перекрытия по времени.
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camoufox НЕ запускается: _ensure_browser / _do_fetch мокаются. Хендлер вызывается
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напрямую (make_mocked_request не поднимает сокет).
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Запуск (из tradein-mvp/browser/)::
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python -m pytest test_server.py -q
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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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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, "_last_goto_at", {})
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monkeypatch.setattr(server, "_locks_guard", asyncio.Lock())
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# ── _provider_for_url ────────────────────────────────────────────────────────────
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def test_provider_for_url_avito() -> None:
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assert server._provider_for_url("https://www.avito.ru/moskva/kvartiry") == "avito"
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assert server._provider_for_url("https://m.avito.ru/item/123") == "avito"
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def test_provider_for_url_cian() -> None:
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assert server._provider_for_url("https://www.cian.ru/sale/flat/1/") == "cian"
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assert server._provider_for_url("https://spb.cian.ru/x") == "cian"
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def test_provider_for_url_yandex() -> None:
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assert server._provider_for_url("https://realty.yandex.ru/offer/1/") == "yandex"
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def test_provider_for_url_generic_fallback() -> None:
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assert server._provider_for_url("https://example.com/x") == "generic"
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assert server._provider_for_url("https://domclick.ru/x") == "generic"
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# Битый / пустой URL — без хоста → generic, не падаем.
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assert server._provider_for_url("not-a-url") == "generic"
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assert server._provider_for_url("") == "generic"
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# ── _provider_proxy ──────────────────────────────────────────────────────────────
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def test_provider_proxy_uses_browser_proxy_primary(monkeypatch: pytest.MonkeyPatch) -> None:
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"""BROWSER_PROXY_* — primary источник для каждого поставщика."""
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monkeypatch.setenv("BROWSER_PROXY_AVITO", "http://u:p@avito-proxy:8080")
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monkeypatch.setenv("BROWSER_PROXY_CIAN", "http://u:p@cian-proxy:8080")
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monkeypatch.setenv("BROWSER_PROXY_YANDEX", "http://u:p@yandex-proxy:8080")
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assert server._provider_proxy("avito") == "http://u:p@avito-proxy:8080"
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assert server._provider_proxy("cian") == "http://u:p@cian-proxy:8080"
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assert server._provider_proxy("yandex") == "http://u:p@yandex-proxy:8080"
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def test_provider_proxy_falls_back_to_legacy(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Без BROWSER_PROXY_* берётся legacy *_PROXY_URL фолбэк."""
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monkeypatch.delenv("BROWSER_PROXY_AVITO", raising=False)
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monkeypatch.delenv("BROWSER_PROXY_CIAN", raising=False)
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monkeypatch.delenv("BROWSER_PROXY_YANDEX", raising=False)
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monkeypatch.setenv("AVITO_PROXY_URL", "http://u:p@legacy-avito:8080")
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monkeypatch.setenv("CIAN_PROXY_URL", "http://u:p@legacy-cian:8080")
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monkeypatch.setenv("YANDEX_PROXY_URL", "http://u:p@legacy-yandex:8080")
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assert server._provider_proxy("avito") == "http://u:p@legacy-avito:8080"
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assert server._provider_proxy("cian") == "http://u:p@legacy-cian:8080"
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assert server._provider_proxy("yandex") == "http://u:p@legacy-yandex:8080"
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def test_provider_proxy_generic(monkeypatch: pytest.MonkeyPatch) -> None:
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"""generic: SCRAPER_PROXY_URL primary, AVITO_PROXY_URL фолбэк."""
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monkeypatch.delenv("SCRAPER_PROXY_URL", raising=False)
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monkeypatch.setenv("AVITO_PROXY_URL", "http://u:p@avito:8080")
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assert server._provider_proxy("generic") == "http://u:p@avito:8080"
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monkeypatch.setenv("SCRAPER_PROXY_URL", "http://u:p@scraper:8080")
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assert server._provider_proxy("generic") == "http://u:p@scraper:8080"
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def test_provider_proxy_none_when_unset(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Ни одной env → None (direct, как одиночный браузер без прокси)."""
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for var in (
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"BROWSER_PROXY_CIAN",
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"CIAN_PROXY_URL",
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):
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monkeypatch.delenv(var, raising=False)
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assert server._provider_proxy("cian") is None
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def test_provider_proxy_browser_proxy_wins_over_legacy(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""BROWSER_PROXY_* перебивает legacy *_PROXY_URL (http vs возможный socks5)."""
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monkeypatch.setenv("BROWSER_PROXY_CIAN", "http://u:p@http-cian:8080")
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monkeypatch.setenv("CIAN_PROXY_URL", "socks5://u:p@socks-cian:1080")
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assert server._provider_proxy("cian") == "http://u:p@http-cian:8080"
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# ── _resolve_provider ────────────────────────────────────────────────────────────
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def test_resolve_provider_by_host() -> None:
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assert server._resolve_provider({}, "https://www.avito.ru/x") == "avito"
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assert server._resolve_provider({}, "https://www.cian.ru/x") == "cian"
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def test_resolve_provider_explicit_overrides_host() -> None:
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"""Явный валидный body["provider"] перебивает host."""
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assert server._resolve_provider({"provider": "yandex"}, "https://www.avito.ru/x") == "yandex"
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def test_resolve_provider_invalid_explicit_falls_back_to_host() -> None:
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"""Невалидный body["provider"] игнорируется → берём по host."""
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assert server._resolve_provider({"provider": "bogus"}, "https://www.cian.ru/x") == "cian"
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assert server._resolve_provider({"provider": 123}, "https://www.cian.ru/x") == "cian"
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def test_resolve_provider_uses_source_field() -> None:
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"""browser_fetcher шлёт {"url","source"} — explicit берётся и из "source"."""
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assert server._resolve_provider({"source": "avito"}, "https://example.com/x") == "avito"
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assert server._resolve_provider({"source": "yandex"}, "https://www.avito.ru/x") == "yandex"
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def test_resolve_provider_domclick_source_to_generic() -> None:
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"""domclick scraper шлёт source='domklik' (нет в PROVIDERS) + хост domclick.ru.
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'domklik' не валиден → host-detect domclick.ru → generic. Намеренно: в prod
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нет выделенного BROWSER_PROXY_DOMCLICK.
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"""
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assert (
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server._resolve_provider({"source": "domklik"}, "https://domclick.ru/x") == "generic"
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)
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# ── _lock_for: один лок на поставщика ────────────────────────────────────────────
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def test_lock_for_is_stable_per_provider() -> None:
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"""_lock_for возвращает один и тот же объект-лок для поставщика, разные — для разных."""
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async def _run() -> tuple[Any, Any, Any]:
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a1 = await server._lock_for("avito")
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a2 = await server._lock_for("avito")
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c1 = await server._lock_for("cian")
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return a1, a2, c1
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a1, a2, c1 = asyncio.run(_run())
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assert a1 is a2, "лок одного поставщика стабилен"
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assert a1 is not c1, "локи разных поставщиков различны"
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# ── concurrency: параллель между поставщиками, сериализация внутри ───────────────
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def _make_fetch_request(url: str) -> 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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class _OverlapProbe:
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"""Мок _do_fetch: меряет максимальное число одновременно активных fetch per-provider."""
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def __init__(self, hold: float = 0.05) -> None:
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self.hold = hold
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self.active: dict[str, int] = {}
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self.peak: dict[str, int] = {}
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self.global_active = 0
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self.global_peak = 0
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async def __call__(self, provider: str, url: str) -> str:
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self.active[provider] = self.active.get(provider, 0) + 1
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self.peak[provider] = max(self.peak.get(provider, 0), self.active[provider])
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self.global_active += 1
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self.global_peak = max(self.global_peak, self.global_active)
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try:
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await asyncio.sleep(self.hold)
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finally:
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self.active[provider] -= 1
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self.global_active -= 1
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return f"<html>{provider}</html>"
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def test_same_provider_fetches_are_serialized(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Два /fetch к ОДНОМУ поставщику сериализованы (один лок) — peak==1."""
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probe = _OverlapProbe()
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async def _ensure(provider: str, proxy_override: str | None = None) -> bool:
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server._browsers[provider] = object()
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return True
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monkeypatch.setattr(server, "_ensure_browser", _ensure)
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monkeypatch.setattr(server, "_do_fetch", probe)
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async def _run() -> None:
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await asyncio.gather(
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server.fetch_handler(_make_fetch_request("https://www.avito.ru/a")),
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server.fetch_handler(_make_fetch_request("https://www.avito.ru/b")),
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server.fetch_handler(_make_fetch_request("https://www.avito.ru/c")),
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)
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asyncio.run(_run())
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assert probe.peak["avito"] == 1, "внутри поставщика строго ≤1 одновременный fetch"
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def test_different_providers_fetch_concurrently(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Два /fetch к РАЗНЫМ поставщикам идут параллельно (разные локи) — global peak>1."""
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probe = _OverlapProbe()
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async def _ensure(provider: str, proxy_override: str | None = None) -> bool:
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server._browsers[provider] = object()
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return True
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monkeypatch.setattr(server, "_ensure_browser", _ensure)
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monkeypatch.setattr(server, "_do_fetch", probe)
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async def _run() -> list[Any]:
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return await asyncio.gather(
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server.fetch_handler(_make_fetch_request("https://www.avito.ru/a")),
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server.fetch_handler(_make_fetch_request("https://www.cian.ru/b")),
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server.fetch_handler(_make_fetch_request("https://realty.yandex.ru/c")),
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)
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responses = asyncio.run(_run())
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assert all(r.status == 200 for r in responses)
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# >=2 (не ==3): на нагруженном CI планировщик может не вывести все три корутины
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# в overlap одновременно; перекрытие хотя бы двух уже доказывает параллельность
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# между поставщиками. Same-provider тест (peak==1) остаётся строгим.
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assert probe.global_peak >= 2, "разные поставщики должны фетчить конкурентно"
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# У каждого поставщика по одному запросу — внутренний peak == 1.
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assert probe.peak == {"avito": 1, "cian": 1, "yandex": 1}
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def test_mixed_load_serializes_within_parallelizes_across(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""Смешанная нагрузка: avito×2 сериализованы, но параллельны с cian×1."""
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probe = _OverlapProbe()
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async def _ensure(provider: str, proxy_override: str | None = None) -> bool:
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server._browsers[provider] = object()
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return True
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monkeypatch.setattr(server, "_ensure_browser", _ensure)
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monkeypatch.setattr(server, "_do_fetch", probe)
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async def _run() -> None:
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await asyncio.gather(
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server.fetch_handler(_make_fetch_request("https://www.avito.ru/a")),
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server.fetch_handler(_make_fetch_request("https://www.avito.ru/b")),
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server.fetch_handler(_make_fetch_request("https://www.cian.ru/c")),
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)
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asyncio.run(_run())
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assert probe.peak["avito"] == 1, "avito сериализован сам с собой"
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assert probe.peak["cian"] == 1
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assert probe.global_peak >= 2, "avito и cian должны перекрываться во времени"
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# ── _parse_block_types: env-парсинг ───────────────────────────────────────────────
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def test_parse_block_types_default() -> None:
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"""None (env не задана) → дефолт font,media."""
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assert server._parse_block_types(None) == frozenset({"font", "media"})
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def test_parse_block_types_empty_disables() -> None:
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"""Пустая строка → пустой набор (ничего не блокируем)."""
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assert server._parse_block_types("") == frozenset()
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assert server._parse_block_types(" ") == frozenset()
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assert server._parse_block_types(" , , ") == frozenset()
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def test_parse_block_types_custom_csv() -> None:
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"""CSV парсится с trim/lower, дубликаты схлопываются."""
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assert server._parse_block_types("font, Media , font") == frozenset({"font", "media"})
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assert server._parse_block_types("FONT,IMAGE") == frozenset({"font", "image"})
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# ── route-handler: блокировка font/media, пропуск document/script/css/xhr ──────────
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class _FakeRequest:
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def __init__(self, resource_type: str) -> None:
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self.resource_type = resource_type
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class _FakeRoute:
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"""Мок Playwright Route: фиксирует, был ли abort или continue_."""
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def __init__(self, resource_type: str) -> None:
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self.request = _FakeRequest(resource_type)
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self.aborted = False
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self.continued = False
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async def abort(self) -> None:
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self.aborted = True
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async def continue_(self) -> None:
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self.continued = True
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class _CapturePage:
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"""Мок page: ловит handler, переданный в page.route, чтобы дёрнуть его напрямую."""
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def __init__(self) -> None:
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self.handler: Any = None
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self.route_pattern: Any = None
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async def route(self, pattern: str, handler: Any) -> None:
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self.route_pattern = pattern
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self.handler = handler
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def test_resource_block_aborts_font_and_media(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Дефолтный набор font/media → abort; document/script/stylesheet/xhr/fetch → continue."""
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monkeypatch.setattr(server, "_BLOCKED_TYPES", frozenset({"font", "media"}))
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page = _CapturePage()
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asyncio.run(server._apply_resource_block(page))
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assert page.handler is not None, "route-handler должен быть навешен"
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assert page.route_pattern == "**/*"
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async def _check(resource_type: str) -> _FakeRoute:
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route = _FakeRoute(resource_type)
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await page.handler(route)
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return route
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# Блокируемые типы → abort
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for rt in ("font", "media"):
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route = asyncio.run(_check(rt))
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assert route.aborted is True and route.continued is False, f"{rt} должен abort'иться"
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# Критичные для extraction/fingerprint типы → continue
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for rt in ("document", "script", "stylesheet", "xhr", "fetch", "image"):
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route = asyncio.run(_check(rt))
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assert route.continued is True and route.aborted is False, f"{rt} должен проходить"
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def test_resource_block_noop_when_empty(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Пустой _BLOCKED_TYPES → page.route не навешивается (no-op)."""
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monkeypatch.setattr(server, "_BLOCKED_TYPES", frozenset())
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page = _CapturePage()
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asyncio.run(server._apply_resource_block(page))
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assert page.handler is None, "при пустом наборе route навешивать не должны"
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def test_resource_block_handler_degrades_to_continue(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Сбой abort() деградирует в continue_() — битый ресурс не рвёт навигацию."""
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monkeypatch.setattr(server, "_BLOCKED_TYPES", frozenset({"font"}))
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page = _CapturePage()
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asyncio.run(server._apply_resource_block(page))
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||
|
||
class _FlakyRoute(_FakeRoute):
|
||
async def abort(self) -> None:
|
||
raise RuntimeError("route already handled")
|
||
|
||
route = _FlakyRoute("font")
|
||
asyncio.run(page.handler(route))
|
||
assert route.continued is True, "при сбое abort должны fallback'нуть в continue_()"
|
||
|
||
|
||
# ── _pace_provider: межстраничный пейсинг одного провайдера ────────────────────────
|
||
|
||
|
||
def test_pace_provider_first_call_no_sleep(monkeypatch: pytest.MonkeyPatch) -> None:
|
||
"""Первый goto провайдера — без ожидания, но timestamp пишется."""
|
||
monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
|
||
slept: list[float] = []
|
||
|
||
async def _fake_sleep(d: float) -> None:
|
||
slept.append(d)
|
||
|
||
monkeypatch.setattr(server.asyncio, "sleep", _fake_sleep)
|
||
asyncio.run(server._pace_provider("avito"))
|
||
assert slept == [], "первый вызов не должен спать"
|
||
assert "avito" in server._last_goto_at
|
||
|
||
|
||
def test_pace_provider_waits_remaining_interval(monkeypatch: pytest.MonkeyPatch) -> None:
|
||
"""Второй goto в пределах интервала → sleep на остаток (interval - elapsed)."""
|
||
monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
|
||
slept: list[float] = []
|
||
|
||
async def _fake_sleep(d: float) -> None:
|
||
slept.append(d)
|
||
|
||
# _pace_provider читает time() дважды за вызов (now + запись last).
|
||
# 1-й вызов: now=100.0, last←100.0. 2-й: now=100.5 (elapsed=0.5→remaining=1.5),
|
||
# после sleep last←102.0.
|
||
clock = iter([100.0, 100.0, 100.5, 102.0])
|
||
|
||
class _FakeLoop:
|
||
def time(self) -> float:
|
||
return next(clock)
|
||
|
||
monkeypatch.setattr(server.asyncio, "sleep", _fake_sleep)
|
||
monkeypatch.setattr(server.asyncio, "get_event_loop", lambda: _FakeLoop())
|
||
|
||
async def _run() -> None:
|
||
await server._pace_provider("cian") # первый — last=100.0
|
||
await server._pace_provider("cian") # второй — elapsed=0.5, remaining=1.5
|
||
|
||
asyncio.run(_run())
|
||
assert len(slept) == 1, "второй вызов должен один раз sleep'нуть"
|
||
assert slept[0] == pytest.approx(1.5), "ждём остаток интервала (2.0 - 0.5)"
|
||
|
||
|
||
def test_pace_provider_no_sleep_when_interval_elapsed(monkeypatch: pytest.MonkeyPatch) -> None:
|
||
"""Если с прошлого goto прошло >= интервала → не спим."""
|
||
monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
|
||
slept: list[float] = []
|
||
|
||
async def _fake_sleep(d: float) -> None:
|
||
slept.append(d)
|
||
|
||
# 2 чтения time() на вызов: [now1, last1, now2, last2]; elapsed=5.0 > 2.0 → no sleep.
|
||
clock = iter([100.0, 100.0, 105.0, 105.0])
|
||
|
||
class _FakeLoop:
|
||
def time(self) -> float:
|
||
return next(clock)
|
||
|
||
monkeypatch.setattr(server.asyncio, "sleep", _fake_sleep)
|
||
monkeypatch.setattr(server.asyncio, "get_event_loop", lambda: _FakeLoop())
|
||
|
||
async def _run() -> None:
|
||
await server._pace_provider("yandex")
|
||
await server._pace_provider("yandex") # elapsed=5.0 > 2.0 → no sleep
|
||
|
||
asyncio.run(_run())
|
||
assert slept == [], "интервал уже прошёл — спать не нужно"
|
||
|
||
|
||
def test_pace_provider_disabled_when_zero(monkeypatch: pytest.MonkeyPatch) -> None:
|
||
"""BROWSER_MIN_PAGE_INTERVAL_S <= 0 → пейсинг выключен, timestamp не пишется."""
|
||
monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 0.0)
|
||
slept: list[float] = []
|
||
|
||
async def _fake_sleep(d: float) -> None:
|
||
slept.append(d)
|
||
|
||
monkeypatch.setattr(server.asyncio, "sleep", _fake_sleep)
|
||
|
||
async def _run() -> None:
|
||
await server._pace_provider("avito")
|
||
await server._pace_provider("avito")
|
||
|
||
asyncio.run(_run())
|
||
assert slept == []
|
||
assert "avito" not in server._last_goto_at
|
||
|
||
|
||
def test_pace_provider_independent_per_provider(monkeypatch: pytest.MonkeyPatch) -> None:
|
||
"""Timestamp независим по провайдерам — пейсинг avito не влияет на cian."""
|
||
monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
|
||
slept: list[float] = []
|
||
|
||
async def _fake_sleep(d: float) -> None:
|
||
slept.append(d)
|
||
|
||
# 2 чтения time() на вызов: avito [100.0, 100.0]; cian первый [100.1, 100.1]
|
||
# (нет last для cian → no sleep).
|
||
clock = iter([100.0, 100.0, 100.1, 100.1])
|
||
|
||
class _FakeLoop:
|
||
def time(self) -> float:
|
||
return next(clock)
|
||
|
||
monkeypatch.setattr(server.asyncio, "sleep", _fake_sleep)
|
||
monkeypatch.setattr(server.asyncio, "get_event_loop", lambda: _FakeLoop())
|
||
|
||
async def _run() -> None:
|
||
await server._pace_provider("avito")
|
||
await server._pace_provider("cian")
|
||
|
||
asyncio.run(_run())
|
||
assert slept == [], "разные провайдеры не пейсят друг друга"
|
||
|
||
|
||
async def _coro(value: Any) -> Any:
|
||
return value
|