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164 lines
6.2 KiB
Python
164 lines
6.2 KiB
Python
"""Тесты проброса browser-пула в SERP-скраперы yandex/cian (#2160).
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Зеркало P4 (#2164) для avito: там пул раздавался только в avito-путях, а yandex/cian
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SERP создавали BrowserFetcher сами в __aenter__ без пула → весь трафик шёл через
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env-прокси браузера. Здесь проверяем, что YandexRealtyScraper / CianScraper прокидывают
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proxy_provider + use_pool=config.use_proxy_pool_browser в BrowserFetcher.
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Инвариант ship-dark:
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- proxy_provider=None ИЛИ флаг off → BrowserFetcher(..., proxy_provider=None, use_pool=False),
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т.е. env-прокси браузера, поведение байт-в-байт как до фикса.
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- proxy_provider задан + флаг on → BrowserFetcher получает провайдер + use_pool=True.
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BrowserFetcher монки-патчится на recording-заглушку в модуле каждого скрапера, так что
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реального HTTP к tradein-browser не происходит.
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"""
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from __future__ import annotations
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import types
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from typing import Any
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import pytest
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from scraper_kit.providers.cian import serp as cian_serp
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from scraper_kit.providers.yandex import serp as yandex_serp
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class _FakeProxyProvider:
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"""ProxyProvider-заглушка: методы no-op (в этих тестах пул не вызывается —
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BrowserFetcher замокан, acquire/release не срабатывают)."""
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def acquire(self, provider: str) -> None:
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return None
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def release(self, lease: object) -> None:
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return None
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def mark_health(self, lease: object, ok: bool) -> None:
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return None
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def _make_recorder() -> tuple[type, list[dict[str, Any]]]:
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"""Recording-заглушка BrowserFetcher: пишет init-kwargs в общий список."""
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calls: list[dict[str, Any]] = []
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class _RecFetcher:
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def __init__(
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self,
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source: str = "avito",
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fetch_timeout_s: float = 120.0,
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*,
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endpoint: str,
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proxy_provider: object | None = None,
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use_pool: bool = False,
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) -> None:
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calls.append(
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{
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"source": source,
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"endpoint": endpoint,
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"proxy_provider": proxy_provider,
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"use_pool": use_pool,
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}
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)
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async def __aenter__(self) -> _RecFetcher:
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return self
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async def __aexit__(self, *args: object) -> None:
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return None
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return _RecFetcher, calls
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def _config(*, use_pool: bool) -> types.SimpleNamespace:
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return types.SimpleNamespace(
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browser_http_endpoint="http://browser:3000",
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use_proxy_pool_browser=use_pool,
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)
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# ── Yandex SERP ──────────────────────────────────────────────────────────────
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@pytest.mark.asyncio
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async def test_yandex_serp_wires_pool_when_flag_on(monkeypatch: pytest.MonkeyPatch) -> None:
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"""proxy_provider + флаг on → BrowserFetcher получает провайдер + use_pool=True."""
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rec_fetcher, calls = _make_recorder()
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monkeypatch.setattr(yandex_serp, "BrowserFetcher", rec_fetcher)
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provider = _FakeProxyProvider()
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scraper = yandex_serp.YandexRealtyScraper(_config(use_pool=True), proxy_provider=provider)
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async with scraper:
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pass
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assert len(calls) == 1
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assert calls[0]["source"] == "yandex"
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assert calls[0]["proxy_provider"] is provider
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assert calls[0]["use_pool"] is True
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@pytest.mark.asyncio
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async def test_yandex_serp_no_pool_by_default(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Без provider/флага → BrowserFetcher(proxy_provider=None, use_pool=False) — ship-dark."""
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rec_fetcher, calls = _make_recorder()
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monkeypatch.setattr(yandex_serp, "BrowserFetcher", rec_fetcher)
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scraper = yandex_serp.YandexRealtyScraper(_config(use_pool=False))
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async with scraper:
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pass
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assert len(calls) == 1
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assert calls[0]["proxy_provider"] is None
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assert calls[0]["use_pool"] is False
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@pytest.mark.asyncio
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async def test_yandex_serp_provider_without_flag_stays_dark(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""provider задан, но флаг off → use_pool=False (BrowserFetcher пул не трогает)."""
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rec_fetcher, calls = _make_recorder()
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monkeypatch.setattr(yandex_serp, "BrowserFetcher", rec_fetcher)
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provider = _FakeProxyProvider()
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scraper = yandex_serp.YandexRealtyScraper(_config(use_pool=False), proxy_provider=provider)
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async with scraper:
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pass
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assert calls[0]["proxy_provider"] is provider
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assert calls[0]["use_pool"] is False
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# ── Cian SERP ────────────────────────────────────────────────────────────────
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@pytest.mark.asyncio
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async def test_cian_serp_wires_pool_when_flag_on(monkeypatch: pytest.MonkeyPatch) -> None:
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"""proxy_provider + флаг on → BrowserFetcher получает провайдер + use_pool=True."""
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rec_fetcher, calls = _make_recorder()
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monkeypatch.setattr(cian_serp, "BrowserFetcher", rec_fetcher)
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provider = _FakeProxyProvider()
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scraper = cian_serp.CianScraper(_config(use_pool=True), proxy_provider=provider)
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async with scraper:
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pass
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assert len(calls) == 1
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assert calls[0]["source"] == "cian"
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assert calls[0]["proxy_provider"] is provider
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assert calls[0]["use_pool"] is True
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@pytest.mark.asyncio
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async def test_cian_serp_no_pool_by_default(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Без provider/флага → BrowserFetcher(proxy_provider=None, use_pool=False) — ship-dark."""
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rec_fetcher, calls = _make_recorder()
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monkeypatch.setattr(cian_serp, "BrowserFetcher", rec_fetcher)
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scraper = cian_serp.CianScraper(_config(use_pool=False))
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async with scraper:
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pass
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assert len(calls) == 1
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assert calls[0]["proxy_provider"] is None
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assert calls[0]["use_pool"] is False
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