gendesign/tradein-mvp/backend/tests/test_cian_detail.py
Light1YT 312df8536a
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feat(tradein): infer repair_state from listing description text (#622) (#632)
2026-05-28 15:37:34 +00:00

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"""Tests for cian_detail.py — Stage 5 of CianScraper v1."""
from __future__ import annotations
from unittest.mock import AsyncMock, MagicMock
import pytest
from app.services.scrapers.cian_detail import (
DetailEnrichment,
_extract_agent_profile,
_extract_price_changes,
_extract_repair_state,
_parse_views,
fetch_detail,
)
# ── _parse_views ──────────────────────────────────────────────────────────────
def test_parse_views_space_formatted():
assert _parse_views("1 234") == 1234
def test_parse_views_plain():
assert _parse_views("567") == 567
def test_parse_views_none():
assert _parse_views(None) is None
def test_parse_views_invalid():
assert _parse_views("invalid") is None
def test_parse_views_comma_formatted():
assert _parse_views("1,234") == 1234
# ── _extract_repair_state — структурное поле в приоритете, fallback на текст (#622) ──
def test_repair_state_structured_wins_over_description():
"""repairType присутствует → используется он, описание игнорируется."""
offer = {
"repairType": "cosmetic", # → standard
"description": "Шикарный дизайнерский ремонт", # инференс дал бы excellent
}
assert _extract_repair_state(offer) == "standard"
def test_repair_state_falls_back_to_description_when_structured_missing():
"""repairType отсутствует → инференс из описания."""
offer = {
"repairType": None,
"description": "Сделан свежий евроремонт, заезжай и живи",
}
assert _extract_repair_state(offer) == "good"
def test_repair_state_none_when_both_missing():
"""Нет structured и нет сигнала в тексте → None (не фабрикуем)."""
offer = {"description": "Светлая квартира рядом с парком"}
assert _extract_repair_state(offer) is None
# ── _extract_price_changes ────────────────────────────────────────────────────
def test_extract_price_changes_normalizes():
offer = {
"priceChanges": [
{"changeTime": "2026-04-01T00:00:00Z", "price": 5000000, "diffPercent": -2.5},
{"changeTime": "2026-04-10T00:00:00Z", "price": 4900000, "diffPercent": -2.0},
]
}
result = _extract_price_changes(offer, {})
assert len(result) == 2
assert result[0]["change_time"] == "2026-04-01T00:00:00Z"
assert result[0]["price_rub"] == 5000000
assert result[0]["diff_percent"] == -2.5
def test_extract_price_changes_handles_empty_offer():
assert _extract_price_changes({}, {}) == []
def test_extract_price_changes_handles_none_value():
assert _extract_price_changes({"priceChanges": None}, {}) == []
def test_extract_price_changes_falls_back_to_state():
state = {
"priceChanges": [
{"changeTime": "2026-03-01T00:00:00Z", "price": 6000000, "diffPercent": 0},
]
}
result = _extract_price_changes({}, state)
assert len(result) == 1
assert result[0]["price_rub"] == 6000000
def test_extract_price_changes_skips_non_dict_entries():
offer = {"priceChanges": [{"changeTime": "2026-04-01T00:00:00Z", "price": 5000000}, "bad"]}
result = _extract_price_changes(offer, {})
assert len(result) == 1
# ── _extract_agent_profile ────────────────────────────────────────────────────
def test_extract_agent_profile_from_agent_key():
offer = {
"agent": {
"id": 12345,
"companyName": "Новосёл",
"isPro": True,
"skills": [{"id": 1, "name": "Продажа"}],
"accountType": "specialist",
}
}
profile = _extract_agent_profile(offer)
assert profile is not None
assert profile["ext_agent_id"] == 12345
assert profile["company_name"] == "Новосёл"
assert profile["is_pro"] is True
assert profile["account_type"] == "specialist"
def test_extract_agent_profile_from_user_key():
offer = {
"user": {
"cianUserId": 99999,
"companyName": "Агентство Икс",
"isPro": False,
"accountType": "agency",
}
}
profile = _extract_agent_profile(offer)
assert profile is not None
assert profile["ext_agent_id"] == 99999
assert profile["company_name"] == "Агентство Икс"
def test_extract_agent_profile_returns_none_when_no_agent():
assert _extract_agent_profile({}) is None
assert _extract_agent_profile({"agent": {}, "user": {}}) is None
# ── DetailEnrichment defaults ─────────────────────────────────────────────────
def test_dataclass_defaults():
enrich = DetailEnrichment()
assert enrich.cian_id is None
assert enrich.price_changes == []
assert enrich.raw_sister_states == {}
assert enrich.bti_data is None
assert enrich.agent_profile is None
assert enrich.newbuilding_data is None
# ── fetch_detail integration (mocked) ────────────────────────────────────────
@pytest.mark.asyncio
async def test_fetch_detail_returns_none_on_no_state(monkeypatch):
"""If state extraction returns None → fetch_detail returns None gracefully."""
monkeypatch.setattr(
"app.services.scrapers.cian_detail.extract_state",
lambda html, mfe, key: None,
)
response = MagicMock()
response.status_code = 200
response.text = "<html></html>"
session = MagicMock()
session.get = AsyncMock(return_value=response)
session.close = AsyncMock()
result = await fetch_detail("https://ekb.cian.ru/sale/flat/123/", session=session)
assert result is None
@pytest.mark.asyncio
async def test_fetch_detail_returns_none_on_non_200(monkeypatch):
"""Non-200 HTTP response → returns None, no exception raised."""
response = MagicMock()
response.status_code = 403
response.text = ""
session = MagicMock()
session.get = AsyncMock(return_value=response)
session.close = AsyncMock()
result = await fetch_detail("https://ekb.cian.ru/sale/flat/456/", session=session)
assert result is None
@pytest.mark.asyncio
async def test_fetch_detail_extracts_core_fields(monkeypatch):
"""Verify core fields are extracted correctly from mocked state."""
fake_state = {
"offerData": {
"offer": {
"cianId": 327830237,
"windowsViewType": "yardAndStreet",
"separateWcsCount": 1,
"combinedWcsCount": 0,
"ceilingHeight": 2.65,
"repairType": "cosmetic",
"priceChanges": [
{
"changeTime": "2026-04-01T00:00:00Z",
"price": 5500000,
"diffPercent": -1.8,
}
],
"agent": {
"id": 7654321,
"companyName": "Первичка Плюс",
"isPro": True,
"skills": [],
"accountType": "specialist",
},
},
"stats": {
"totalViewsFormattedString": "1 042",
"todayViewsFormattedString": "7",
},
}
}
monkeypatch.setattr(
"app.services.scrapers.cian_detail.extract_state",
lambda html, mfe, key: fake_state if key == "defaultState" else None,
)
monkeypatch.setattr(
"app.services.scrapers.cian_detail.extract_all_states",
lambda html: {},
)
response = MagicMock()
response.status_code = 200
response.text = "<html></html>"
session = MagicMock()
session.get = AsyncMock(return_value=response)
session.close = AsyncMock()
result = await fetch_detail("https://ekb.cian.ru/sale/flat/327830237/", session=session)
assert result is not None
assert result.cian_id == 327830237
assert result.windows_view_type == "yardAndStreet"
assert result.separate_wcs_count == 1
assert result.combined_wcs_count == 0
assert result.ceiling_height == 2.65
assert result.repair_type == "cosmetic"
assert result.views_total == 1042
assert result.views_today == 7
assert len(result.price_changes) == 1
assert result.price_changes[0]["price_rub"] == 5500000
assert result.agent_profile is not None
assert result.agent_profile["ext_agent_id"] == 7654321
assert result.agent_profile["company_name"] == "Первичка Плюс"
@pytest.mark.asyncio
async def test_fetch_detail_extracts_bti_from_sister_states(monkeypatch):
"""BTI sister state is captured into bti_data."""
fake_state = {
"offerData": {
"offer": {
"cianId": 111111,
}
}
}
fake_all_states = {
"frontend-offer-card": {
"bti": {
"houseData": {
"seriesName": "П-44Т",
"floorsCount": 17,
"flatCount": 120,
}
}
}
}
monkeypatch.setattr(
"app.services.scrapers.cian_detail.extract_state",
lambda html, mfe, key: fake_state if key == "defaultState" else None,
)
monkeypatch.setattr(
"app.services.scrapers.cian_detail.extract_all_states",
lambda html: fake_all_states,
)
response = MagicMock()
response.status_code = 200
response.text = "<html></html>"
session = MagicMock()
session.get = AsyncMock(return_value=response)
session.close = AsyncMock()
result = await fetch_detail("https://ekb.cian.ru/sale/flat/111111/", session=session)
assert result is not None
assert result.bti_data is not None
assert result.bti_data["seriesName"] == "П-44Т"
assert "bti" in result.raw_sister_states
@pytest.mark.asyncio
async def test_fetch_detail_extracts_newbuilding_link(monkeypatch):
"""Newbuilding reference is captured from offer.newbuilding."""
fake_state = {
"offerData": {
"offer": {
"cianId": 222222,
"newbuilding": {
"id": 54016,
"name": "Екатерининский парк",
"url": "https://zhk-ekaterininskiy-park-ekb-i.cian.ru/",
},
}
}
}
monkeypatch.setattr(
"app.services.scrapers.cian_detail.extract_state",
lambda html, mfe, key: fake_state if key == "defaultState" else None,
)
monkeypatch.setattr(
"app.services.scrapers.cian_detail.extract_all_states",
lambda html: {},
)
response = MagicMock()
response.status_code = 200
response.text = "<html></html>"
session = MagicMock()
session.get = AsyncMock(return_value=response)
session.close = AsyncMock()
result = await fetch_detail("https://ekb.cian.ru/sale/flat/222222/", session=session)
assert result is not None
assert result.newbuilding_data is not None
assert result.newbuilding_data["id"] == 54016