class ShoppingCartTest(unittest.TestCase):
def setUp(self):
self.cart = ShoppingCart().add("tuna sandwich", 15.00)
def test_length(self):
self.assertEquals(1, len(self.cart))
def test_item(self):
self.assertEquals("tuna sandwich", self.cart.item(1))
def test_price(self):
self.assertEquals(15.00, self.cart.price(1))
def test_total_with_sales_tax(self):
self.assertAlmostEquals(16.39, \
self.cart.total(9.25), 2)
#def test_assert_failure(self):
#self.fail("You should see this failure message in the report.")
class ShoppingCartTest(unittest.TestCase):
def setUp(self):
self.cart = ShoppingCart().add("tuna sandwich", 15.00)
def test_length(self):
self.assertEquals(1, len(self.cart))
def test_item(self):
self.assertEquals("tuna sandwich", self.cart.item(1))
def test_price(self):
self.assertEquals(15.00, self.cart.price(1))
def test_total_with_sales_tax(self):
self.assertAlmostEquals(16.39, self.cart.total(9.25), 2)
class ShoppingCartTest(unittest.TestCase):
def setUp(self):
self.cart = ShoppingCart().add("tuna sandwich", 15.00)
def test_length(self):
self.assertEquals(1, len(self.cart))
def test_item(self):
self.assertEquals("tuna sandwich", self.cart.item(1))
def test_price(self):
self.assertEquals(15.00, self.cart.price(1))
def test_total_with_sales_tax(self):
self.assertAlmostEquals(16.39, self.cart.total(9.25), 2)
class CartWithOneItem(unittest.TestCase):
def setUp(self):
self.cart = ShoppingCart().add("tuna sandwich", 15.00)
def test_when_checking_the_size_should_be_one_based(self):
self.assertEquals(1, len(self.cart))
# let it fail intentionally
self.assertEquals(2, len(self.cart))
def test_when_looking_into_cart_should_be_one_based(self):
self.assertEquals("tuna sandwich", self.cart.item(1))
self.assertEquals(15.00, self.cart.price(1))
def test_total_should_have_in_sales_tax(self):
self.assertAlmostEquals(15.0*1.0925, self.cart.total(9.25), 2)
class CartWithTwoItems(unittest.TestCase):
def setUp(self):
self.cart = ShoppingCart().add("tuna sandwich", 15.00) \
.add("rootbeer", 3.75)
def test_when_checking_size_should_be_two(self):
self.assertEquals(2, len(self.cart))
def test_items_should_be_in_same_order_as_entered(self):
self.assertEquals("tuna sandwich", self.cart.item(1))
self.assertAlmostEquals(15.00, self.cart.price(1), 2)
self.assertEquals("rootbeer", self.cart.item(2))
self.assertAlmostEquals(3.75, self.cart.price(2), 2)
def test_total_price_should_have_in_sales_tax(self):
self.assertAlmostEquals((15.0+3.75)*1.0925, self.cart.total(9.25), 2)
class CartWithNoItems(unittest.TestCase):
def setUp(self):
self.cart = ShoppingCart()
def test_when_checking_size_should_be_empty(self):
self.assertEquals(0, len(self.cart))
def test_finding_item_out_of_range_should_raise_error(self):
self.assertRaises(IndexError, self.cart.item, 2)
def test_finding_price_out_of_range_should_raise_error(self):
self.assertRaises(IndexError, self.cart.price, 2)
def test_when_looking_at_total_price_should_be_zero(self):
self.assertAlmostEquals(0.0, self.cart.total(9.25), 2)
def test_adding_items_returns_back_same_cart(self):
empty_cart = self.cart
cart_with_one_item = self.cart.add("tuna sandwich", 15.00)
self.assertEquals(empty_cart, cart_with_one_item)
cart_with_two_items = self.cart.add("rootbeer", 3.75)
self.assertEquals(empty_cart, cart_with_one_item)
self.assertEquals(cart_with_one_item, cart_with_two_items)
