Model/tests/applications/landlord_description_overrides/test_build_columns.py
Jun-te Kim ad3b1f15a8 Classify the landlord Hot Water and Heating columns into categories 🟥
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-19 14:07:14 +00:00

79 lines
2.6 KiB
Python

"""The landlord-description-overrides handler's column wiring (`_build_columns`).
A `column_mapping` entry of ``{category -> source header}`` must produce a
ClassifiableColumn that reads the named header and classifies into the
category's enum. This pins the main_fuel category onto the wiring.
"""
from __future__ import annotations
from typing import cast
from applications.landlord_description_overrides.handler import _build_columns # pyright: ignore[reportPrivateUsage]
from infrastructure.chatgpt.chatgpt import ChatGPT
def test_build_columns_wires_a_main_fuel_classifier_column() -> None:
# Arrange — the factory only stores the injected collaborators, so a bare
# object stands in for the (I/O-bound) ChatGPT client and the DB session.
chat_gpt = cast(ChatGPT, object())
# Act
columns = _build_columns({"main_fuel": "Main Fuel"}, chat_gpt, None)
# Assert — one column, named main_fuel, reading the "Main Fuel" header.
assert len(columns) == 1
assert columns[0].name == "main_fuel"
assert columns[0].source_column == "Main Fuel"
def test_build_columns_wires_a_glazing_classifier_column() -> None:
# Arrange
chat_gpt = cast(ChatGPT, object())
# Act
columns = _build_columns({"glazing": "Glazing"}, chat_gpt, None)
# Assert — one column, named glazing, reading the "Glazing" header.
assert len(columns) == 1
assert columns[0].name == "glazing"
assert columns[0].source_column == "Glazing"
def test_build_columns_wires_a_construction_age_band_classifier_column() -> None:
# Arrange
chat_gpt = cast(ChatGPT, object())
# Act
columns = _build_columns({"construction_age_band": "Age"}, chat_gpt, None)
# Assert — one column, named construction_age_band, reading the "Age" header.
assert len(columns) == 1
assert columns[0].name == "construction_age_band"
assert columns[0].source_column == "Age"
def test_build_columns_wires_a_water_heating_classifier_column() -> None:
# Arrange
chat_gpt = cast(ChatGPT, object())
# Act
columns = _build_columns({"water_heating": "Hot Water"}, chat_gpt, None)
# Assert
assert len(columns) == 1
assert columns[0].name == "water_heating"
assert columns[0].source_column == "Hot Water"
def test_build_columns_wires_a_main_heating_system_classifier_column() -> None:
# Arrange
chat_gpt = cast(ChatGPT, object())
# Act
columns = _build_columns({"main_heating_system": "Heating"}, chat_gpt, None)
# Assert
assert len(columns) == 1
assert columns[0].name == "main_heating_system"
assert columns[0].source_column == "Heating"