class: "EvalTest"
success: "shopSmart(order, shops) selects the cheapest shop"
failure: "shopSmart(order, shops) must select the cheapest shop"

# Python statements initializing variables for the test below.
preamble: """
import shop

dir1 = {'apples': 2.0, 'oranges':1.0}
shop1 =  shop.FruitShop('shop1',dir1)
dir2 = {'apples': 1.0, 'oranges': 5.0}
shop2 = shop.FruitShop('shop2',dir2)
shops = [shop1, shop2]

order = [('apples',1.0), ('oranges',3.0)]
ans = shopSmart.shopSmart(order, shops)
"""

# A python expression to be evaluated.  This expression must return the 
# same result for the student and instructor's code.
test: "ans"