From 39950d410c0aaba18f814f622ec2e52a59dfb4df Mon Sep 17 00:00:00 2001 From: Jun-te Kim Date: Fri, 19 Jun 2026 12:22:56 +0000 Subject: [PATCH] =?UTF-8?q?Map=20community=20mains=20gas=20to=20its=20dist?= =?UTF-8?q?inct=20fuel=20code=20=F0=9F=9F=A5?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-Authored-By: Claude Opus 4.8 (1M context) --- tests/domain/epc/test_main_fuel_overlay.py | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tests/domain/epc/test_main_fuel_overlay.py b/tests/domain/epc/test_main_fuel_overlay.py index f3cf0007..3f6bfdeb 100644 --- a/tests/domain/epc/test_main_fuel_overlay.py +++ b/tests/domain/epc/test_main_fuel_overlay.py @@ -40,3 +40,13 @@ def test_fuels_decode_to_their_modern_not_community_codes( assert simulation is not None assert simulation.heating is not None assert simulation.heating.main_fuel_type == code + + +def test_community_mains_gas_is_a_distinct_fuel_code() -> None: + # Act + simulation = fuel_overlay_for("mains gas (community)", 0) + + # Assert — community mains gas is code 20, distinct from 26 (not community). + assert simulation is not None + assert simulation.heating is not None + assert simulation.heating.main_fuel_type == 20