def test_generate_mealplan_not_possible(db):
clear_tables(db)
common_ingredients = [
{
"name": "carrots",
"units": "g",
"amount": 20
},
{
"name": "apples",
"units": "lb",
"amount": 0.2
},
{
"name": "spaghetti",
"units": "lb",
"amount": 1
},
]
for i, recipe in enumerate([(5.00, 500), (8.00, 750), (3.39, 300),
(13.32, 1000)]):
create_recipe(
db,
f"recipe_{i}",
ingredients=common_ingredients,
price=recipe[0],
calories=recipe[1],
)
days = 10
budget = 15 * days
cals = 2000 * days
with pytest.raises(ValueError):
meals = find_meals(db, budget, cals)
def test_gen_mealplan_over_max(db):
clear_tables(db)
max_ingredients = {"carrots": Q_(10, "g")}
create_recipe(
db,
"A",
[
{
"name": "carrots",
"units": "g",
"amount": 100
},
{
"name": "apples",
"units": "bushels",
"amount": 0.1
},
],
3.00,
500,
)
create_recipe(db, "B", [{
"name": "apples",
"units": "bushels",
"amount": 0.2
}], 5.00, 1)
days = 5
budget = 10 * days
cals = 1000 * days
with pytest.raises(RuntimeError):
find_meals(db, budget, cals, max_ingredients=max_ingredients)
def client(db):
app.config["DATABASE_URL"] = TEST_DATABASE
app.config["TESTING"] = True
try:
sql.create_tables(db)
except Exception:
pass
sql.clear_tables(db)
with app.test_client() as client:
yield client
def test_generate_mealplan_no_constraints(db):
clear_tables(db)
common_ingredients = [
{
"name": "carrots",
"units": "g",
"amount": 20
},
{
"name": "apples",
"units": "lb",
"amount": 0.2
},
{
"name": "spaghetti",
"units": "lb",
"amount": 1
},
]
for i, recipe in enumerate([
(5.00, 900),
(4.50, 850),
(9.00, 1300),
(2.12, 350),
(0.59, 200),
(11.29, 1500),
(7.07, 1000),
(9.29, 1100),
]):
create_recipe(
db,
f"recipe_{i}",
ingredients=common_ingredients,
price=recipe[0],
calories=recipe[1],
)
days = 10
budget = 15 * days
cals = 2000 * days
meals = find_meals(db, budget, cals)
check_plan(db, meals, budget, cals)
def test_gen_mealplan_minmax_same_item(db):
clear_tables(db)
min_ingredients = {"carrots": Q_(20, "g")}
max_ingredients = {"carrots": Q_(50, "g")}
create_recipe(
db,
"A",
[
{
"name": "carrots",
"units": "g",
"amount": 10
},
{
"name": "apples",
"units": "bushels",
"amount": 0.1
},
],
3.00,
500,
)
create_recipe(db, "B", [{
"name": "apples",
"units": "bushels",
"amount": 0.2
}], 5.00, 1000)
create_recipe(db, "C", [{
"name": "cucumbers",
"units": "lb",
"amount": 0.5
}])
days = 5
budget = 10 * days
cals = 1000 * days
meals = find_meals(db, budget, cals, min_ingredients, max_ingredients)
check_plan(db, meals, budget, cals, min_ingredients, max_ingredients)
def test_gen_mealplan_cant_reach_min(db):
clear_tables(db)
min_ingredients = {"carrots": Q_(200, "g")}
create_recipe(
db,
"A",
[
{
"name": "carrots",
"units": "g",
"amount": 1
},
{
"name": "apples",
"units": "bushels",
"amount": 0.1
},
],
3.00,
500,
)
create_recipe(db, "B", [{
"name": "apples",
"units": "bushels",
"amount": 0.2
}], 5.00, 1000)
create_recipe(db, "C", [{
"name": "cucumbers",
"units": "lb",
"amount": 0.5
}])
days = 5
budget = 10 * days
cals = 1000 * days
with pytest.raises(RuntimeError):
find_meals(db, budget, cals, min_ingredients)