gendesign/backend/tests/test_layout_signature.py
lekss361 0e2d976f9a feat(parcels): layout signature schemas + extractor (#113 PR A)
Phase 2.1 minimal foundation for #113 Layout Analysis (Макс feedback 12.05).
Без layout_type/balcony_count (отсутствуют в БД, ждут B2B Объектив #52).

Added:
- 7 Pydantic schemas в schemas/parcel.py: LayoutSignature, BestLayoutsRequest,
  TopLayoutRow, LayoutTzMixRow, LayoutTzRecommendation, LayoutDataQuality,
  BestLayoutsResponse
- services/site_finder/layout_signature.py: room_bucket_from_flat /
  area_bin / layout_signature (3 pure-Python helpers, no DB)
- tests/test_layout_signature.py: 27 unit tests (parametrized)

No DB / API changes — foundation для PR B (mv_layout_velocity) и PR C
(POST /best-layouts endpoint).
2026-05-16 10:49:10 +03:00

97 lines
3 KiB
Python

"""Тесты для layout_signature helpers (Issue #113, Phase 2.1).
Pure-Python, без БД и external calls.
"""
from __future__ import annotations
import pytest
from app.services.site_finder.layout_signature import (
area_bin,
layout_signature,
room_bucket_from_flat,
)
@pytest.mark.parametrize(
"rooms, flat_type, is_studio, expected",
[
(None, None, True, "studio"),
(0, "Квартира-студия", False, "studio"),
(0, "Квартира", None, "studio"),
(1, "Квартира", None, "1"),
(2, "Квартира", None, "2"),
(3, "Квартира", False, "3"),
(4, "Квартира", False, "4+"),
(5, "Квартира", None, "4+"),
(None, "Квартира", None, "1"), # fallback
],
)
def test_room_bucket(
rooms: int | None, flat_type: str | None, is_studio: bool | None, expected: str
) -> None:
assert room_bucket_from_flat(rooms, flat_type, is_studio) == expected
@pytest.mark.parametrize(
"area, expected",
[
(0.5, "<25"),
(24.9, "<25"),
(25.0, "25-40"),
(39.99, "25-40"),
(40.0, "40-60"),
(59.99, "40-60"),
(60.0, "60-80"),
(79.99, "60-80"),
(80.0, "80-100"),
(99.99, "80-100"),
(100.0, "100+"),
(250.0, "100+"),
],
)
def test_area_bin(area: float, expected: str) -> None:
assert area_bin(area) == expected
def test_layout_signature_deterministic() -> None:
assert layout_signature("studio", "<25") == "studio__<25"
assert layout_signature("4+", "100+") == "4+__100+"
# Same input → same output
sig1 = layout_signature("2", "40-60")
sig2 = layout_signature("2", "40-60")
assert sig1 == sig2
def test_room_bucket_is_studio_overrides_rooms() -> None:
"""is_studio=True beats any rooms value."""
assert room_bucket_from_flat(3, "Квартира", True) == "studio"
def test_room_bucket_flat_type_studio_overrides_rooms() -> None:
"""flat_type='Квартира-студия' beats rooms=2."""
assert room_bucket_from_flat(2, "Квартира-студия", None) == "studio"
def test_room_bucket_large_rooms() -> None:
"""rooms=10 → '4+'."""
assert room_bucket_from_flat(10, "Квартира", False) == "4+"
def test_area_bin_boundary_exact() -> None:
"""Граничные значения попадают в правильный бакет (включение левой границы)."""
assert area_bin(25.0) == "25-40"
assert area_bin(40.0) == "40-60"
assert area_bin(60.0) == "60-80"
assert area_bin(80.0) == "80-100"
assert area_bin(100.0) == "100+"
def test_layout_signature_format() -> None:
"""Сигнатура всегда содержит двойное подчёркивание-разделитель."""
sig = layout_signature("1", "25-40")
assert "__" in sig
parts = sig.split("__")
assert parts[0] == "1"
assert parts[1] == "25-40"