def test_cart_add_merchandise(self):
expected_1 = self.cart_item_book
expected_1.qty = 10
cart = Cart()
cart.add_merchandise(self.book, qty=10)
self.assertEqual(cart.items, [expected_1])
cart = Cart()
cart.add_merchandise([self.book, self.perfume])
expected_2 = self.cart_item_perfume
expected_1 = self.cart_item_book
expected_1.qty = 1
self.assertEqual(cart.items, [expected_1, expected_2])
def test_checkout(self):
import sys
from io import StringIO
expected = [
'Qty - Items - Amount',
' 1 - book - 1.99',
' 1 - perfume - 11.74',
'Sales Tax - 1.55', 'Total(Incl. tax) - 13.73', ''
]
original_stdout = sys.stdout
sys.stdout = StringIO()
cart = Cart([self.cart_item_book, self.cart_item_perfume])
cart.checkout()
result = sys.stdout.getvalue()
sys.stdout = original_stdout
result = result.split('\n')
self.assertEqual(result, expected)
def test_merchandise_add_to_cart(self):
expected = [
CartItem(item=Merchandise(name='book',
price=1.99,
category='book',
imported=False),
total=3.98,
tax_amount=0.0,
_qty=2)
]
cart = Cart()
self.book.add_to(cart, 2)
self.assertEqual(cart.items, expected)
def test_cart_validity(self):
expected = [
CartItem(item=Merchandise(name='book',
price=1.99,
category='book',
imported=False),
total=1.99,
tax_amount=0.0),
CartItem(item=Merchandise(name='perfume',
price=10.19,
category='accessory',
imported=True),
total=11.74,
tax_amount=1.55)
]
items = [self.cart_item_book, self.cart_item_perfume]
cart = Cart(items)
self.assertEqual(cart.items, expected)
def test_cart_failure(self):
with self.assertRaises(InvalidCartItem):
Cart(self.book)
with self.assertRaises(InvalidCartItem):
Cart([self.book, self.music])
def test_cart_total_tax(self):
cart = Cart([self.cart_item_book, self.cart_item_perfume])
self.assertEqual(cart.total_tax(), 1.55)
def test_cart_total(self):
cart = Cart()
cart.add_merchandise([self.book, self.perfume])
self.assertEqual(cart.cart_total(), 13.73)
def test_cart_add_merchandise_failure(self):
cart = Cart()
with self.assertRaises(InvalidProduct):
cart.add_merchandise('Product')