mirror of
https://github.com/kuhyx/diet-guard.git
synced 2026-07-04 12:03:08 +02:00
Krzysztof kuhy Rudnicki
843f5e0221
Rewrites python_pkg.diet_guard imports to diet_guard, vendors the shared as_float coercion helper, drops the monorepo PYTHONPATH from install.sh and the systemd unit (package is now pip-installed), and scaffolds standalone lint/test config matching testsAndMisc's real enforced bar (pylint --fail-under=10 with tests excluded and the use-implicit-booleaness/consider-using-with disables, mypy's actual disabled-error-code set, ruff ALL, bandit, 100% branch coverage).
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
"""Tests for _meal.py — composite-meal summing."""
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from __future__ import annotations
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from diet_guard._estimator import Nutrition
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from diet_guard._meal import MEAL_SOURCE, MealItem, meal_total
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def _item(
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name: str,
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kcal: float,
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macros: tuple[float, float, float, float] = (0.0, 0.0, 0.0, 0.0),
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) -> MealItem:
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"""Build a MealItem from a name, calories, and a (protein, carbs, fat, grams)."""
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protein, carbs, fat, grams = macros
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return MealItem(
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name,
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Nutrition(
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kcal=kcal,
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protein_g=protein,
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carbs_g=carbs,
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fat_g=fat,
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grams=grams,
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source="manual",
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),
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)
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class TestMealTotal:
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"""Summing a meal's items."""
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def test_sums_every_field(self) -> None:
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"""Each macro, calories, and weight are added across the items."""
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items = [
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_item("salad", 80, (2, 8, 5, 120)),
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_item("chicken", 330, (62, 0, 7, 200)),
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_item("rice", 260, (5, 56, 1, 180)),
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]
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total = meal_total(items)
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assert total.kcal == 670
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assert total.protein_g == 69
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assert total.carbs_g == 64
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assert total.fat_g == 13
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assert total.grams == 500
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assert total.source == MEAL_SOURCE
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def test_empty_is_zero(self) -> None:
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"""An empty meal sums to an all-zero composite rather than raising."""
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assert meal_total([]) == Nutrition(
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kcal=0.0,
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protein_g=0.0,
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carbs_g=0.0,
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fat_g=0.0,
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grams=0.0,
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source=MEAL_SOURCE,
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)
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def test_rounds_to_one_decimal(self) -> None:
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"""Floating sums are rounded to 0.1, like the rest of the log."""
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assert meal_total([_item("a", 0.1), _item("b", 0.2)]).kcal == 0.3
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