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311d1e751a
Add epc_renewable_heat_incentive table (space_heating_kwh, water_heating_kwh + the three insulation-impact kWh fields), wired into EpcPostgresRepository save/get. This is the P0 gap: RenewableHeatIncentive carries the baseline space-heating/hot-water kWh that EPC Energy Derivation consumes. The round-trip test now asserts full deep-equality (dropped the renewable_heat_incentive exclusion) and passes for RdSAP 21.0.0 + 21.0.1. DB migration for the new table documented in docs/migrations/epc-property-round-trip-fidelity.md. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
"""Persistence round-trip fidelity for EPC Property Data (Slice 1, #1129).
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The load-bearing risk of the ara_first_run rebuild: an EpcPropertyData mapped to
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the epc_property tables, saved, reloaded and mapped back must reconstruct the
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original object exactly. A failure here is either a missing column (a migration
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the FE repo must make) or a mapper gap — either way we want it to fail loudly,
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inside First Run, rather than be deferred to a later Refresh.
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"""
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from __future__ import annotations
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import json
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from pathlib import Path
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from typing import Any
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import pytest
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from sqlalchemy import Engine
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from sqlmodel import Session
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from datatypes.epc.domain.epc_property_data import EpcPropertyData
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from datatypes.epc.domain.mapper import EpcPropertyDataMapper
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from repositories.epc.epc_postgres_repository import EpcPostgresRepository
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_JSON_SAMPLES = Path(__file__).resolve().parents[3] / "backend/epc_api/json_samples"
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def _load_epc(schema_dir: str) -> EpcPropertyData:
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raw: dict[str, Any] = json.loads(
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(_JSON_SAMPLES / schema_dir / "epc.json").read_text()
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)
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return EpcPropertyDataMapper.from_api_response(raw)
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@pytest.mark.parametrize(
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"schema_dir",
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["RdSAP-Schema-21.0.0", "RdSAP-Schema-21.0.1"],
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)
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def test_epc_property_data_round_trips(schema_dir: str, db_engine: Engine) -> None:
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# Arrange
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original = _load_epc(schema_dir)
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# Act
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with Session(db_engine) as session:
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epc_property_id = EpcPostgresRepository(session).save(original)
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session.commit()
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with Session(db_engine) as session:
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reloaded = EpcPostgresRepository(session).get(epc_property_id)
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# Assert
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assert reloaded == original
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