def test_userPurchaseDeductsBalance(self):
user = User()
user.resources.science._value = 100
bal = Balance(science=Cost(-10,0))
assert(user.affords(bal))
user.purchase(balance=bal)
val = user.resources.science._value
self.assertEqual(val,90)
def test_userCanAffordValue_returns_true(self):
user = User()
user.resources.science._value = 100
bal = Balance(science=Cost(-10,0))
val = user.resources.science._value
print val
self.assertTrue(user.purchase(balance=bal))
def test_userCannotAffordValue_returns_false(self):
user = User()
bal = Balance(science=Cost(-10,0))
assert(user.resources.science._value+bal.science.oneTime<=0)
self.assertFalse(user.purchase(balance=bal))
