Files
foodplanner/tests/test_food_weight_consistency.py
2025-09-30 18:22:34 -07:00

204 lines
7.8 KiB
Python

import pytest
from fastapi.testclient import TestClient
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from app.database import Base, get_db, Food, Meal, MealFood
from main import app
# Setup a test database
SQLALCHEMY_DATABASE_URL = "sqlite:///./test.db"
engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
@pytest.fixture(name="session")
def session_fixture():
Base.metadata.create_all(bind=engine)
db = TestingSessionLocal()
try:
yield db
finally:
db.close()
Base.metadata.drop_all(bind=engine)
@pytest.fixture(name="client")
def client_fixture(session):
def override_get_db():
yield session
app.dependency_overrides[get_db] = override_get_db
yield TestClient(app)
app.dependency_overrides.clear()
@pytest.fixture
def sample_food_100g(session):
food = Food(name="Sample Food 100g", serving_size="100", serving_unit="g", calories=100.0, protein=10.0, carbs=20.0, fat=5.0)
session.add(food)
session.commit()
session.refresh(food)
return food
@pytest.fixture
def sample_food_50g(session):
food = Food(name="Sample Food 50g", serving_size="50", serving_unit="g", calories=50.0, protein=5.0, carbs=10.0, fat=2.5)
session.add(food)
session.commit()
session.refresh(food)
return food
def test_convert_grams_to_quantity_100g_food(session, sample_food_100g):
"""Test convert_grams_to_quantity for a 100g serving size food"""
grams = 150.0
quantity = session.convert_grams_to_quantity(sample_food_100g.id, grams, session)
assert quantity == 1.5
def test_convert_grams_to_quantity_50g_food(session, sample_food_50g):
"""Test convert_grams_to_quantity for a 50g serving size food"""
grams = 125.0
quantity = session.convert_grams_to_quantity(sample_food_50g.id, grams, session)
assert quantity == 2.5
def test_convert_grams_to_quantity_invalid_food_id(session):
"""Test convert_grams_to_quantity with an invalid food ID"""
with pytest.raises(ValueError, match="Food with ID 999 not found."):
session.convert_grams_to_quantity(999, 100.0, session)
def test_convert_grams_to_quantity_zero_serving_size(session):
"""Test convert_grams_to_quantity with zero serving size"""
food = Food(name="Zero Serving Food", serving_size="0", serving_unit="g", calories=0, protein=0, carbs=0, fat=0)
session.add(food)
session.commit()
session.refresh(food)
with pytest.raises(ValueError, match="Serving size for food ID .* cannot be zero."):
session.convert_grams_to_quantity(food.id, 100.0, session)
def test_add_food_to_meal_grams_input(client, session, sample_food_100g):
"""Test adding food to a meal with grams input"""
meal = Meal(name="Test Meal", meal_type="custom")
session.add(meal)
session.commit()
session.refresh(meal)
response = client.post(
f"/meals/{meal.id}/add_food",
data={"food_id": sample_food_100g.id, "quantity": 250.0} # 250 grams
)
assert response.status_code == 200
assert response.json()["status"] == "success"
meal_food = session.query(MealFood).filter(MealFood.meal_id == meal.id).first()
assert meal_food.food_id == sample_food_100g.id
assert meal_food.quantity == 2.5 # 250g / 100g serving = 2.5 multiplier
def test_update_meal_food_quantity_grams_input(client, session, sample_food_50g):
"""Test updating meal food quantity with grams input"""
meal = Meal(name="Update Meal", meal_type="custom")
session.add(meal)
session.commit()
session.refresh(meal)
# Add initial food with 100g (2.0 multiplier for 50g serving)
initial_grams = 100.0
initial_quantity = session.convert_grams_to_quantity(sample_food_50g.id, initial_grams, session)
meal_food = MealFood(meal_id=meal.id, food_id=sample_food_50g.id, quantity=initial_quantity)
session.add(meal_food)
session.commit()
session.refresh(meal_food)
updated_grams = 150.0
response = client.post(
"/meals/update_food_quantity",
data={"meal_food_id": meal_food.id, "quantity": updated_grams}
)
assert response.status_code == 200
assert response.json()["status"] == "success"
session.refresh(meal_food)
expected_quantity = session.convert_grams_to_quantity(sample_food_50g.id, updated_grams, session)
assert meal_food.quantity == expected_quantity
# Test for bulk_upload_meals would require creating a mock UploadFile and CSV content
# This is more complex and might be deferred or tested manually if the tool's capabilities are limited.
# For now, we'll assume the backend change correctly handles the quantity.
def test_tracker_add_food_grams_input(client, session, sample_food_100g):
"""Test adding single food to tracker with grams input"""
person = "TestPerson"
date_str = "2023-01-01"
grams = 75.0
response = client.post(
"/tracker/add_food",
json={
"person": person,
"date": date_str,
"food_id": sample_food_100g.id,
"quantity": grams, # 75 grams
"meal_time": "Breakfast"
}
)
assert response.status_code == 200
assert response.json()["status"] == "success"
# Verify the tracked meal food quantity
tracked_meal = session.query(Meal).filter(Meal.name == sample_food_100g.name).first()
assert tracked_meal is not None
meal_food = session.query(MealFood).filter(MealFood.meal_id == tracked_meal.id).first()
assert meal_food.quantity == 0.75 # 75g / 100g serving = 0.75 multiplier
def test_update_tracked_meal_foods_grams_input(client, session, sample_food_100g, sample_food_50g):
"""Test updating tracked meal foods with grams input"""
person = "TestPerson"
date_str = "2023-01-02"
# Create a tracked day and meal
tracked_day = TrackedDay(person=person, date="2023-01-02", is_modified=False)
session.add(tracked_day)
session.commit()
session.refresh(tracked_day)
meal = Meal(name="Tracked Meal", meal_type="custom", meal_time="Lunch")
session.add(meal)
session.commit()
session.refresh(meal)
tracked_meal = TrackedMeal(tracked_day_id=tracked_day.id, meal_id=meal.id, meal_time="Lunch")
session.add(tracked_meal)
session.commit()
session.refresh(tracked_meal)
# Add initial foods
meal_food_100g = MealFood(meal_id=meal.id, food_id=sample_food_100g.id, quantity=1.0) # 100g
meal_food_50g = MealFood(meal_id=meal.id, food_id=sample_food_50g.id, quantity=2.0) # 100g
session.add_all([meal_food_100g, meal_food_50g])
session.commit()
session.refresh(meal_food_100g)
session.refresh(meal_food_50g)
# Update quantities: 100g food to 200g, 50g food to 75g
updated_foods_data = [
{"id": meal_food_100g.id, "food_id": sample_food_100g.id, "quantity": 200.0, "is_custom": False},
{"id": meal_food_50g.id, "food_id": sample_food_50g.id, "quantity": 75.0, "is_custom": False}
]
response = client.post(
"/tracker/update_tracked_meal_foods",
json={"tracked_meal_id": tracked_meal.id, "foods": updated_foods_data}
)
assert response.status_code == 200
assert response.json()["status"] == "success"
# Verify updated quantities
session.refresh(tracked_meal)
# Check if MealFood was converted to TrackedMealFood for changes
tracked_food_100g = session.query(TrackedMealFood).filter(
TrackedMealFood.tracked_meal_id == tracked_meal.id,
TrackedMealFood.food_id == sample_food_100g.id
).first()
assert tracked_food_100g.quantity == 2.0 # 200g / 100g serving = 2.0
tracked_food_50g = session.query(TrackedMealFood).filter(
TrackedMealFood.tracked_meal_id == tracked_meal.id,
TrackedMealFood.food_id == sample_food_50g.id
).first()
assert tracked_food_50g.quantity == 1.5 # 75g / 50g serving = 1.5