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Drag a gas room heater's coherent companions 🟥

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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Khalim Conn-Kowlessar 2026-06-30 18:04:30 +00:00
parent 42e9dafd0b
commit c2a842e9b9
1 changed files with 19 additions and 0 deletions
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19
tests/domain/epc/test_main_heating_system_overlay.py
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@ -583,3 +583,22 @@ def test_gas_room_heater_variants_decode_to_their_sap_codes(
assert simulation is not None
assert simulation.heating is not None
assert simulation.heating.sap_main_heating_code == code
def test_gas_room_heater_drags_its_coherent_companions() -> None:
# A gas room heater is a room-heater system (category 10) on a single-rate
# meter, under the conservative room-heater control (2601). Its natural fuel
# is mains gas (26) — an LPG dwelling is refined by a main_fuel override
# (the overlay can't see the mains connection) (ADR-0041).
# Act
simulation = main_heating_overlay_for("Gas room heater, condensing fire", 0)
# Assert
assert simulation is not None
assert simulation.heating is not None
heating = simulation.heating
assert heating.main_heating_category == 10
assert heating.main_heating_control == 2601
assert heating.main_fuel_type == 26
assert heating.meter_type == "Single"