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Co-authored-by: bot-backend <bot-backend@gendsgn.local> Co-committed-by: bot-backend <bot-backend@gendsgn.local>
384 lines
15 KiB
Python
384 lines
15 KiB
Python
"""Unit tests for YandexDetailScraper — Product JSON-LD + DOM detail parser.
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All tests run against hand-crafted HTML fixtures. No live network access.
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"""
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from __future__ import annotations
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import json
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import pytest
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from app.services.scrapers.yandex_detail import (
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DetailEnrichment,
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MetroStation,
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YandexDetailScraper,
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_extract_relative_date,
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_find_section_text,
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_parse_metro_stations,
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_parse_title,
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)
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# ---------------------------------------------------------------------------
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# Helpers to build fixture HTML
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# ---------------------------------------------------------------------------
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_BASE_OFFER_URL = "https://realty.yandex.ru/offer/7812345000001/"
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_PRODUCT_LD = {
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"@type": "Product",
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"name": "3-комнатная квартира 85,5 м² на 12 этаж из 24",
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"image": [
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"https://avatars.mds.yandex.net/get-realty/photo1/main",
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"https://avatars.mds.yandex.net/get-realty/photo2/main",
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"https://avatars.mds.yandex.net/get-realty/photo3/main",
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],
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"offers": {
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"@type": "Offer",
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"price": 9850000,
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"priceCurrency": "RUB",
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},
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}
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def _make_html(
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*,
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product_ld: dict | None = _PRODUCT_LD,
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h1: str = "3-комнатная квартира 85,5 м², 12 этаж из 24",
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summary_text: str = (
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"Россия, Свердловская область, Екатеринбург, улица Малышева, д. 5"
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" • 115 233 ₽ за м²"
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" • свободная продажа"
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" • 342 просмотра"
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" • опубликовано 10 апреля 2026"
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),
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author_block: str = "",
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description_text: str = "Продаётся просторная кирпичная квартира 1995 года постройки.",
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location_text: str = "Уральская 11 мин. Динамо 16 мин.",
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nb_href: str | None = "/ekaterinburg/kupit/novostrojka/tatlin-1592987/",
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extra_head: str = "",
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) -> str:
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ld_block = ""
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if product_ld is not None:
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ld_block = f'<script type="application/ld+json">{json.dumps(product_ld)}</script>'
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nb_link = ""
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if nb_href:
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nb_link = f'<a href="{nb_href}">ЖК Татлин</a>'
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return f"""<!DOCTYPE html>
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<html>
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<head>{extra_head}{ld_block}</head>
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<body>
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<h1>{h1}</h1>
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<div data-test="OfferCardSummary">{summary_text}</div>
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{author_block}
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<h2>Описание</h2>
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<p>{description_text}</p>
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<h2>Расположение</h2>
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<p>{location_text}</p>
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{nb_link}
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</body>
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</html>"""
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# ---------------------------------------------------------------------------
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# Fixtures
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# ---------------------------------------------------------------------------
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FULL_HTML = _make_html()
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SCRAPER = YandexDetailScraper()
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# ---------------------------------------------------------------------------
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# Tests
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# ---------------------------------------------------------------------------
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class TestFullDetailFixture:
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"""Happy path — all fields populated."""
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def test_parse_full_detail_fixture(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert isinstance(result, DetailEnrichment)
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assert result.offer_id == "7812345000001"
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assert result.source_url == _BASE_OFFER_URL
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def test_price_from_json_ld(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.price_rub == 9_850_000
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def test_title_and_room_parsing(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.rooms == 3
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assert result.area_m2 == pytest.approx(85.5)
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assert result.floor == 12
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assert result.total_floors == 24
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def test_views_and_publish_date(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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from datetime import date
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assert result.views_total == 342
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assert result.publish_date == date(2026, 4, 10)
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def test_price_per_m2_from_summary(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.price_per_m2 == 115_233
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def test_address_extraction(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.address is not None
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assert "Малышева" in result.address
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def test_description_section(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.description is not None
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assert "кирпичная" in result.description
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def test_nlp_house_type_from_description(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.house_type_nlp == "brick"
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def test_year_built_hint_nlp(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.year_built_hint == 1995
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def test_raw_payload_present(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.raw_payload is not None
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assert "summary_text" in result.raw_payload
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assert "photo_count" in result.raw_payload
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class TestNoProductLD:
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"""Missing JSON-LD — scraper falls back to summary / DOM only."""
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def test_parse_no_product_ld_uses_summary_fallbacks(self) -> None:
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html = _make_html(product_ld=None)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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# price_rub is None when no JSON-LD and no ₽ total in summary
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assert result.price_rub is None
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# price_per_m2 still extracted from "₽ за м²" in summary
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assert result.price_per_m2 == 115_233
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# photos array empty when no JSON-LD image[]
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assert result.photo_urls == []
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class TestStudio:
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def test_parse_studio_rooms_zero(self) -> None:
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html = _make_html(
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product_ld=None,
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h1="Студия 28 м², 2 этаж из 9",
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summary_text="альтернативная • 50 просмотров",
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)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.rooms == 0
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assert result.area_m2 == pytest.approx(28.0)
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assert result.floor == 2
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assert result.total_floors == 9
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class TestNoAgencySection:
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def test_parse_no_agency_section(self) -> None:
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html = _make_html(author_block="") # no OfferCardAuthorInfo
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.agency_name is None
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assert result.agency_founded_year is None
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assert result.agency_objects_count is None
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assert result.seller_name is None
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class TestAgencyBlock:
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def test_agency_fields_parsed(self) -> None:
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# Note: selectolax .text(strip=True) concatenates text nodes without spaces.
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# "Год основания 1998" + "150 объектов" becomes "Год основания 1998150 объектов".
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# RE_AGENCY_OBJECTS = r"(\d+)\s+объект" would then match "1998150 объект".
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# To avoid this ambiguity the fixture uses а non-digit separator between spans.
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author_html = """
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<div data-test="OfferCardAuthorInfo">
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<h2>АН Городской риелтор</h2>
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<p>Год основания 1998. Продали 150 объектов.</p>
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</div>"""
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summary = "Иван Петров АН Городской риелтор • 50 просмотров" " • опубликовано 3 марта 2025"
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html = _make_html(author_block=author_html, summary_text=summary)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.agency_name == "АН Городской риелтор"
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assert result.agency_founded_year == 1998
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assert result.agency_objects_count == 150
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class TestSellerName:
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def test_seller_name_before_agency(self) -> None:
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author_html = """
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<div data-test="OfferCardAuthorInfo">
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<h2>АН Капитал</h2>
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</div>"""
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# seller name appears right before agency name in summary
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summary = "Мария Кузнецова АН Капитал • 10 просмотров"
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html = _make_html(author_block=author_html, summary_text=summary)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.seller_name is not None
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assert "Кузнецова" in result.seller_name
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class TestNewbuildingLink:
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def test_parse_newbuilding_link_extracted(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.newbuilding_id == "1592987"
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assert result.newbuilding_url is not None
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assert "tatlin" in result.newbuilding_url
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def test_no_newbuilding_link(self) -> None:
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html = _make_html(nb_href=None)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.newbuilding_id is None
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assert result.newbuilding_url is None
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class TestMetroStations:
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def test_parse_metro_stations_multiple(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert len(result.metro_stations) == 2
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names = [s.name for s in result.metro_stations]
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assert "Уральская" in names
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# walk_min for Уральская = 11
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ural = next(s for s in result.metro_stations if s.name == "Уральская")
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assert ural.walk_min == 11
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def test_metro_stations_empty_when_no_location(self) -> None:
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html = _make_html(location_text="")
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.metro_stations == []
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def test_parse_metro_stations_helper_directly(self) -> None:
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text = "Проспект Космонавтов 7 мин. Уралмаш 14 мин. Эльмаш 20 мин."
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stations = _parse_metro_stations(text)
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assert len(stations) == 3
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assert stations[0] == MetroStation(name="Проспект Космонавтов", walk_min=7)
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assert stations[1].walk_min == 14
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class TestRelativeDate:
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def test_parse_relative_date_yesterday(self) -> None:
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html = _make_html(summary_text="Россия, ЕКБ, ул. Тест • 100 просмотров • вчера")
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.publish_date_relative == "вчера"
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def test_relative_date_hours(self) -> None:
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result = _extract_relative_date("опубликовано 6 часов назад")
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assert result == "6 часов назад"
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def test_relative_date_days(self) -> None:
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result = _extract_relative_date("размещено 3 дня назад и ещё текст")
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assert result == "3 дня назад"
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def test_relative_date_none(self) -> None:
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result = _extract_relative_date("опубликовано 10 апреля 2026")
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assert result is None
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class TestPublishDate:
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def test_publish_date_ru_format(self) -> None:
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html = _make_html(summary_text="Россия, ЕКБ • 200 просмотров • опубликовано 5 января 2026")
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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from datetime import date
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assert result.publish_date == date(2026, 1, 5)
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class TestPhotos:
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def test_photos_from_json_ld_image_array(self) -> None:
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ld = dict(_PRODUCT_LD)
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ld["image"] = [
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"https://avatars.mds.yandex.net/get-realty/img1",
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"https://avatars.mds.yandex.net/get-realty/img2",
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"https://avatars.mds.yandex.net/get-realty/img3",
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"https://avatars.mds.yandex.net/get-realty/img4",
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"https://avatars.mds.yandex.net/get-realty/img5",
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"https://avatars.mds.yandex.net/get-realty/img6",
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"https://avatars.mds.yandex.net/get-realty/img7",
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"https://avatars.mds.yandex.net/get-realty/img8",
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]
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html = _make_html(product_ld=ld)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert len(result.photo_urls) == 8
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assert all(u.startswith("https://") for u in result.photo_urls)
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def test_photo_single_string_wrapped(self) -> None:
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ld = dict(_PRODUCT_LD)
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ld["image"] = "https://avatars.mds.yandex.net/get-realty/single"
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html = _make_html(product_ld=ld)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.photo_urls == ["https://avatars.mds.yandex.net/get-realty/single"]
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class TestInvalidUrl:
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def test_invalid_offer_url_returns_none(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url="https://realty.yandex.ru/ekaterinburg/")
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assert result is None
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def test_valid_url_with_trailing_slash(self) -> None:
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result = SCRAPER.parse(FULL_HTML, offer_url="https://realty.yandex.ru/offer/999/")
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assert result is not None
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assert result.offer_id == "999"
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class TestHelpers:
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def test_parse_title_full(self) -> None:
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rooms, area, floor, total = _parse_title("2-комнатная квартира 55,3 м², 7 этаж из 18")
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assert rooms == 2
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assert area == pytest.approx(55.3)
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assert floor == 7
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assert total == 18
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def test_parse_title_studio(self) -> None:
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rooms, area, _floor, _total = _parse_title("Студия 28 м², 2 этаж из 9")
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assert rooms == 0
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assert area == pytest.approx(28.0)
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def test_parse_title_missing_floor(self) -> None:
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rooms, area, floor, total = _parse_title("1-комнатная квартира 36 м²")
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assert rooms == 1
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assert area == pytest.approx(36.0)
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assert floor is None
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assert total is None
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def test_find_section_text_returns_none_when_absent(self) -> None:
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from selectolax.parser import HTMLParser
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tree = HTMLParser("<html><body><h2>Другой раздел</h2><p>текст</p></body></html>")
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assert _find_section_text(tree, "Описание") is None
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def test_metro_walk_min_from_nlp(self) -> None:
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"""metro_walk_min extracted from description via RE_METRO_WALK."""
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html = _make_html(
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description_text="Квартира в 7 минут неспешной прогулки от метро.",
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location_text="",
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)
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result = SCRAPER.parse(html, offer_url=_BASE_OFFER_URL)
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assert result is not None
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assert result.metro_walk_min == 7
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