def prod_promo():
promo_def = {'id': 1,
'title': 'Apples 10% off',
'qualifying_product': 'apples',
'qualifying_qty': 1,
'discounted_product': 'apples',
'discount_percent': 10}
return promotion.Promotion(promo_def)
def test_bad_offer():
promo_def = {'id': 1,
'title': 'Apples 10% off',
'qualifying_product': 'Apples',
'qualifying_qty': 0,
'discounted_product': 'Apples',
'discount_percent': 10}
with pytest.raises(ValueError) as e:
promotion.Promotion(promo_def)
assert 'Unacceptable value for qualifying_qty' in str(e)
def test_offer(qualifying_product, qualifying_qty, discounted_product,
discount_percent):
offer_def = {'id': 1,
'title': 'Apples 10% off',
'qualifying_product': qualifying_product,
'qualifying_qty': qualifying_qty,
'discounted_product': discounted_product,
'discount_percent': discount_percent}
p = promotion.Promotion(offer_def)
assert p.promo_id == 1
assert p.title == 'Apples 10% off'
assert p.qualifying_product == 'apples'
assert p.qualifying_qty == 1
assert p.discounted_product == 'apples'
assert p.discount_percent == 10
def load_promotions(promotions_file_path):
"""Load promotions.
Load promotions data that specifies discounts that can be applied
to goods purchased.
:param str promotions_file_path: Path to promotions file.
:return list: List of promotion.Promotion instances.
"""
promotions = []
data = load_json(promotions_file_path)
if data:
for prod_promo in data:
try:
promotions.append(promotion.Promotion(prod_promo))
except (ValueError, KeyError) as e:
logger.log(
'Failed to load offer with data: '
f'{prod_promo} ({e})', SimpleLogger.error)
return promotions
def promotions(promo_def):
return [promotion.Promotion(promo_def)]