gendesign/tradein-mvp/backend/tests/test_pipeline_browser_routing.py
bot-backend 79a77200d7
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refactor(tradein/scrapers): удалить legacy scrape_pipeline.py + тест-хирургия (#2397 Part E1)
app.services.scrape_pipeline (3734 строк) имел 0 runtime-импортёров — Part C убрал
последнего вызывающего (admin.py, scheduler_main.py уже на
scraper_kit.orchestration.pipeline). Удаление:

- backend/app/services/scrape_pipeline.py — удалён целиком

Тесты (18 файлов, импортировавших scrape_pipeline):

DELETE (чистая legacy-оркестрация, kit-эквивалент покрыт в
test_scraper_kit_pipeline_parity{,2}.py):
- test_scrape_pipeline.py, test_scrape_pipeline_proxy_pool.py (proxy-pool DB-lease
  вытеснен RealProxyProvider DI-адаптером, покрытым test_scraper_adapters_contracts.py)
- test_anchor_watchdog.py, test_ban_rotation_1790.py, test_provider_rotation_1848.py
- test_scraper_resilience_1949_1950.py, test_sweep_drain.py

CONVERT (parity-сравнение убрано, kit-only regression оставлен/усилен):
- test_scraper_kit_pipeline_parity.py, test_scraper_kit_pipeline_parity2.py —
  _drive_old убран, _drive_new стал единственной веткой; ассёрты на конкретные
  значения counters сохранены (это теперь основное regression-покрытие kit
  orchestration)
- test_sweep_imv_phase.py — 6 IMV-phase тестов (enrich_imv true/false/no-touched/
  crash/failed-counter/cancel) переведены на run_avito_city_sweep (kit) с DI
  (config/matcher/enrichment); enrichment.process_houses_imv_batch — инжектируемый
  Protocol-метод вместо прямого импорта app.services.house_imv_backfill

PARTIAL-EDIT (легаси sweep-behavior вырезан, admin/kit-DI/несвязанные тесты
оставлены):
- test_city_sweep.py — только retarget 4 импортов на scraper_kit.orchestration.pipeline
- test_cian_city_sweep.py, test_yandex_city_sweep.py — sweep-behavior секции удалены,
  admin endpoint тесты (уже kit-DI) + anchor-timeout/watchdog формулы (retarget import)
  оставлены
- test_domclick_sweep.py — sweep-wiring тесты удалены, Counters + _map_item оставлены
- test_avito_newbuilding_sweep.py — sweep-wiring тест #5 удалён, retarget
  NewbuildingSweepCounters
- test_pipeline_browser_routing.py — 3 run_avito_pipeline теста удалены, browser-routing
  на уровне fetch_detail/fetch_house_catalog/AvitoScraper не тронут
- test_scraper_proxy.py, tests/scrapers/test_avito_anti_bot.py — _avito_proxies()
  переведён на kit (DI-параметр вместо settings-patch); pipeline-level тесты удалены

Stale-комментарии (scrape_pipeline.py как текущая реальность) поправлены в
admin.py, avito_detail_backfill.py, house_imv_backfill.py, yandex_price_history.py,
scrapers/avito_detail.py + kit-пакете (orchestration/__init__.py, orchestration
/pipeline.py, providers/avito/detail.py — strangler завершён, легаси удалён).

grep -rn scrape_pipeline app/ scripts/ packages/ — только past-tense упоминания
("удалён в Part E1", "перед его удалением") + один historical footnote
(contracts.py:138, provenance-заметка "собраны grep'ом по ... .py").

Backend suite: 3088 passed, 6 skipped (известный flake test_search_cache_hit #2208 —
не регрессия). ruff check чист на всех изменённых файлах.
2026-07-04 13:56:06 +03:00

268 lines
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"""Stage 1 #915 — route avito pipeline SERP+detail+houses through BrowserFetcher.
Тесты без сети и без БД. BrowserFetcher мокируется объектом с async fetch().
Покрытие:
1. fetch_detail(browser_fetcher=mock) → DetailEnrichment (browser branch taken)
2. fetch_detail(browser_fetcher=mock) → AvitoBlockedError при firewall HTML
3. fetch_house_catalog(browser_fetcher=mock) → browser branch taken
4. Curl mode (default) — browser_fetcher=None, curl path используется
Legacy `run_avito_pipeline` browser/curl-mode integration tests (было ранее секцией 4)
удалены вместе с `app.services.scrape_pipeline` (#2397 Part E1) — browser-routing
покрытие на уровне `fetch_detail`/`fetch_house_catalog`/`AvitoScraper._fetch_serp_html`
ниже остаётся нетронутым.
"""
from __future__ import annotations
import json
import os
import urllib.parse
from pathlib import Path
from unittest.mock import AsyncMock, MagicMock
import pytest
os.environ.setdefault("DATABASE_URL", "postgresql+psycopg://test:test@localhost/test_db")
from app.services.scrapers.avito_detail import fetch_detail
from app.services.scrapers.avito_exceptions import AvitoBlockedError
from app.services.scrapers.avito_houses import fetch_house_catalog
FIXTURES = Path(__file__).parent / "fixtures"
# Минимальный HTML для fetch_detail — достаточен для parse_detail_html
DETAIL_HTML = """
<html><body>
<div data-marker="item-view/item-id">№ 99887766 · 18 мая в 10:00 · 100 просмотров</div>
<span itemprop="price" content="5000000">5 000 000 ₽</span>
<div data-marker="item-map-wrapper"
data-map-lat="56.8" data-map-lon="60.6" data-location-id="1"></div>
<div data-marker="item-view/item-params">
<ul>
<li>Количество комнат: 2</li>
<li>Общая площадь: 50 м²</li>
<li>Этаж: 5 из 10</li>
</ul>
</div>
</body></html>
"""
# Firewall HTML — содержит маркер который _is_firewall_page ловит
FIREWALL_HTML = """
<html><head><title>Доступ ограничен</title></head>
<body><div class="firewall-container">Доступ ограничен</div></body></html>
"""
_MINIMAL_STATE = {
"data": {
"data": {
"page": {
"placeholders": [
{
"type": "housePage",
"props": {
"developmentData": {
"avitoId": 12345,
"id": "abc123",
"title": "ЖК Тест",
"address": "ул. Тестовая, 1",
"fullAddress": "Екатеринбург, ул. Тестовая, 1",
"coords": {"lat": 56.8, "lng": 60.6},
"aboutDevelopment": {"expandParams": {"items": []}},
"developer": {},
"mapPreview": {},
}
},
}
]
}
}
}
}
_encoded_state = urllib.parse.quote(json.dumps(_MINIMAL_STATE, ensure_ascii=False))
HOUSES_HTML = f"""
<html><body>
<script>window.__preloadedState__ = "{_encoded_state}";</script>
</body></html>
"""
# ── Helpers ──────────────────────────────────────────────────────────────────
def make_mock_fetcher(html: str) -> MagicMock:
"""Создаёт mock BrowserFetcher с async fetch(), возвращающим заданный HTML."""
mock = MagicMock()
mock.fetch = AsyncMock(return_value=html)
return mock
# ── 1. fetch_detail browser branch → DetailEnrichment ────────────────────────
@pytest.mark.asyncio
async def test_fetch_detail_browser_returns_enrichment() -> None:
"""browser_fetcher.fetch() вызывается, curl AsyncSession не трогается."""
mock_fetcher = make_mock_fetcher(DETAIL_HTML)
item_url = "/ekaterinburg/kvartiry/test_99887766-1234"
result = await fetch_detail(item_url, browser_fetcher=mock_fetcher)
# browser path взят
mock_fetcher.fetch.assert_awaited_once()
called_url = mock_fetcher.fetch.call_args[0][0]
assert called_url.startswith("https://www.avito.ru"), f"unexpected url: {called_url}"
assert called_url.endswith(item_url)
assert result.item_id == "99887766"
assert result.price_rub == 5_000_000
assert result.rooms == 2
@pytest.mark.asyncio
async def test_fetch_detail_browser_full_url_passthrough() -> None:
"""Если item_url уже абсолютный — передаётся без urljoin."""
mock_fetcher = make_mock_fetcher(DETAIL_HTML)
full_url = "https://www.avito.ru/ekaterinburg/kvartiry/test_99887766-1234"
result = await fetch_detail(full_url, browser_fetcher=mock_fetcher)
called_url = mock_fetcher.fetch.call_args[0][0]
assert called_url == full_url
assert result.item_id == "99887766"
@pytest.mark.asyncio
async def test_fetch_detail_browser_no_curl_session_used() -> None:
"""cffi_session не используется когда browser_fetcher передан."""
mock_fetcher = make_mock_fetcher(DETAIL_HTML)
mock_session = MagicMock()
mock_session.get = AsyncMock() # НЕ должен быть вызван
result = await fetch_detail(
"/ekaterinburg/kvartiry/test_99887766-1234",
cffi_session=mock_session,
browser_fetcher=mock_fetcher,
)
mock_session.get.assert_not_awaited()
assert result.item_id == "99887766"
# ── 2. fetch_detail browser firewall → AvitoBlockedError ─────────────────────
@pytest.mark.asyncio
async def test_fetch_detail_browser_firewall_raises() -> None:
"""Firewall HTML через browser path → AvitoBlockedError."""
mock_fetcher = make_mock_fetcher(FIREWALL_HTML)
with pytest.raises(AvitoBlockedError, match="browser-mode"):
await fetch_detail(
"/ekaterinburg/kvartiry/blocked_item-9999",
browser_fetcher=mock_fetcher,
)
# ── 3. fetch_house_catalog browser branch ────────────────────────────────────
@pytest.mark.asyncio
async def test_fetch_house_catalog_browser_branch_taken() -> None:
"""browser_fetcher.fetch() вызывается, curl path не трогается."""
mock_fetcher = make_mock_fetcher(HOUSES_HTML)
house_path = "/catalog/houses/ekaterinburg/ul_test/3171365"
result = await fetch_house_catalog(house_path, browser_fetcher=mock_fetcher)
mock_fetcher.fetch.assert_awaited_once()
called_url = mock_fetcher.fetch.call_args[0][0]
assert "avito.ru" in called_url
assert house_path in called_url
assert result.house.ext_id == 12345
assert result.house.title == "ЖК Тест"
@pytest.mark.asyncio
async def test_fetch_house_catalog_browser_no_curl_used() -> None:
"""cffi_session.get не вызывается в browser mode."""
mock_fetcher = make_mock_fetcher(HOUSES_HTML)
mock_session = MagicMock()
mock_session.get = AsyncMock()
await fetch_house_catalog(
"/catalog/houses/ekaterinburg/ul_test/3171365",
cffi_session=mock_session,
browser_fetcher=mock_fetcher,
)
mock_session.get.assert_not_awaited()
@pytest.mark.asyncio
async def test_fetch_house_catalog_browser_firewall_raises() -> None:
"""Firewall HTML через browser path → AvitoBlockedError."""
mock_fetcher = make_mock_fetcher(FIREWALL_HTML)
with pytest.raises(AvitoBlockedError, match="browser-mode"):
await fetch_house_catalog(
"/catalog/houses/ekaterinburg/ul_test/9999",
browser_fetcher=mock_fetcher,
)
# ── 4. Curl mode (default) — browser_fetcher stays None ──────────────────────
@pytest.mark.asyncio
async def test_fetch_detail_curl_mode_no_browser_fetcher() -> None:
"""Если browser_fetcher=None, curl path используется (собственная сессия)."""
from unittest.mock import patch as _patch
# Мокаем создание собственной сессии чтобы не нужен реальный curl_cffi
mock_resp = MagicMock()
mock_resp.status_code = 200
mock_resp.text = DETAIL_HTML
mock_session = AsyncMock()
mock_session.get = AsyncMock(return_value=mock_resp)
mock_session.close = AsyncMock()
with _patch(
"app.services.scrapers.avito_detail.AsyncSession",
return_value=mock_session,
):
result = await fetch_detail("/ekaterinburg/kvartiry/test_99887766-1234")
# curl path взят — session.get был вызван
mock_session.get.assert_awaited_once()
assert result.item_id == "99887766"
# ── 5. SERP routing: real _fetch_serp_html routes through browser ────────────
@pytest.mark.asyncio
async def test_fetch_serp_html_routes_through_browser() -> None:
"""With _browser set and _cffi=None, the REAL _fetch_serp_html returns the
browser HTML and never dereferences _cffi (no AssertionError). Proves #915
SERP routing on top of #901's browser branch."""
from unittest.mock import AsyncMock
from app.services.scrapers.avito import AvitoScraper
scraper = AvitoScraper()
assert scraper._cffi is None
scraper._browser = AsyncMock()
scraper._browser.fetch = AsyncMock(return_value="<html><body>real serp listing</body></html>")
html = await scraper._fetch_serp_html(
"https://www.avito.ru/ekaterinburg/kvartiry/prodam", page=1
)
assert html == "<html><body>real serp listing</body></html>"
scraper._browser.fetch.assert_awaited_once()