def test_grouporder_items(self):
m1 = assignment3.Menu()
m2 = assignment3.Menu()
o = assignment3.GroupOrder()
d = assignment3.Drink("Lemonade", 1.50)
f = assignment3.Food("Toast", 0.75)
m1.add_item(d)
m2.add_item(f)
self.assertTrue(o.add_item(d))
self.assertFalse(o.add_item(f))
def test_applicable_tax(self):
m = assignment3.Menu()
d = assignment3.Drink("Lemonade", 1.50)
f = assignment3.Food("Toast", 0.75)
m.add_item(d)
m.add_item(f)
self.assertAlmostEqual(f._applicable_tax(), 0.10)
self.assertAlmostEqual(d._applicable_tax(), 0.18)
def test_order_small(self):
m = assignment3.Menu()
o = assignment3.Order()
f = assignment3.Food("Toast", 0.75)
m.add_item(f)
self.assertAlmostEqual(o.price_plus_tax(), 0)
o.add_item(f)
self.assertAlmostEqual(o.price_plus_tax(), 0.75 * 1.10)
def test_grouporder_price_over(self):
m = assignment3.Menu()
o = assignment3.GroupOrder()
d = assignment3.Drink("Lemonade", 1.50)
f = assignment3.Food("Toast", 0.75)
m.add_item(d)
m.add_item(f)
o.add_item(d)
o.add_item(f)
self.assertAlmostEqual(o.price_plus_tax(), 1.50 * 1.18 + 0.75 * 1.10)
self.assertAlmostEqual(o.price_plus_tax_and_tip(0.32),
(1.50 * 1.18 + 0.75 * 1.10) * 1.32)
def test_order_large(self):
m = assignment3.Menu()
o = assignment3.Order()
d = assignment3.Drink("Lemonade", 1.50)
f = assignment3.Food("Toast", 0.75)
a = assignment3.Food("A", 10.00)
b = assignment3.Food("B", 9.50)
m.add_item(d)
m.add_item(f)
m.add_item(a)
m.add_item(b)
o.add_item(d)
o.add_item(f)
o.add_item(a)
o.add_item(b)
self.assertAlmostEqual(o.price_plus_tax(),
1.50 * 1.18 + (0.75 + 10 + 9.5) * 1.10)
def test_grouporder_super_use(self):
class DeliveredOrder(assignment3.Order):
def price_plus_tax_and_tip(self, amount):
return super().price_plus_tax_and_tip(amount) + 1.0
class GroupDeliveredOrder(assignment3.GroupOrder, DeliveredOrder):
pass
m = assignment3.Menu()
o = GroupDeliveredOrder()
d = assignment3.Drink("Lemonade", 1.50)
f = assignment3.Food("Toast", 0.75)
m.add_item(d)
m.add_item(f)
o.add_item(d)
o.add_item(f)
self.assertAlmostEqual(o.price_plus_tax_and_tip(0.20),
(1.50 * 1.18 + 0.75 * 1.10) * 1.20 + 1.0)
def test_tax_attributes(self):
m = assignment3.Menu()
self.assertAlmostEqual(m.food_tax, 0.1)
self.assertAlmostEqual(m.drink_tax, 0.18)
