def products():
return {
'soup': product.Product('soup', 65, 'tin'),
'bread': product.Product('bread', 80, 'loaf'),
'milk': product.Product('milk', 130, 'bottle'),
'apples': product.Product('apples', 100, 'bag'),
}
def load_products(products_file_path):
"""Load product definitions.
Load product definition data describing the products this program will
accept including product names, units and price.
:param str products_file_path: Path to goods file.
:return dict: Dictionary of product.Product instances.
"""
products = {}
data = load_json(products_file_path)
if data is None:
logger.log('No stock found in product data')
else:
# Build products list
for prod in data:
try:
p = product.Product(prod['name'], prod['price'], prod['unit'],
prod['active'])
if p.active:
products[p.name] = p
except ValueError as e:
logger.log(f'Failed to load a product with data: {prod} ({e})',
SimpleLogger.error)
return products
def test_apply_offer_pounds(prod_promo):
prod = product.Product('apples', 100, 'bag')
prod_promo.discount_percent = 100
prod.apply_promotion(prod_promo)
assert prod.discounted_price == 0
assert prod.discount_amount == 100
assert 'Apples 10% off: -£1.00' in prod.discount_message
def test_apply_promo(prod_promo):
prod = product.Product('apples', 100, 'bag')
prod.apply_promotion(prod_promo)
assert prod._promotion is prod_promo
assert prod.has_promotion is True
assert prod.discounted_price == 90
assert prod.discount_amount == 10
assert 'Apples 10% off: -10p' in prod.discount_message
def test_clear_promo(prod_promo):
prod = product.Product('apples', 100, 'bag')
prod.apply_promotion(prod_promo)
assert prod._promotion is prod_promo
prod.clear_promotion()
assert not prod.has_promotion
assert prod.discounted_price == 100
assert prod.discount_amount == 0
assert prod.discount_message is None
def test_prod(name, price, unit):
prod = product.Product(name, price, unit)
assert prod.name == 'appels'
assert prod.price == 100
assert prod.unit == 'bag'