def test_give_guzas_to_should_increase_balance_outcome(self):
source = User("source", None)
target = Company("target", [User(None, None)])
for i in range(10):
source.create_daily_guzis(date(2010, 1, i + 1))
source.give_guzas_to(target, 10)
self.assertEqual(len(source.balance.outcome), 10)
def test_give_guzas_to_should_correctly_transfert_guzas(self):
"""
If a user source gives guzas to a target company, source must lose his
guzas from his guza_wallet and target should have guza_wallet increased
of the amount
"""
source = User("source", None)
target = Company("target", [User(None, None)])
for i in range(10):
source.create_daily_guzis(date(2010, 1, i + 1))
self.assertEqual(len(source.guza_wallet), 10)
self.assertEqual(len(target.guzi_wallet), 0)
source.give_guzas_to(target, 7)
self.assertEqual(len(source.guza_wallet), 3)
self.assertEqual(len(target.guzi_wallet), 7)
def test_give_guzas_to_takes_older_guzas_first(self):
"""
When a user gives Guzas, his oldest Guzas should be spended first
to avoid constant outdate
"""
source = User("source", None)
target = Company("target", [User(None, None)])
for i in range(31):
source.create_daily_guzis(date(2010, 1, i + 1))
source.give_guzas_to(target, 10)
# After spending, user waits 10 days more (to be at 31)
for i in range(10):
source.create_daily_guzis(date(2010, 2, i + 1))
# Then, of oldest have been taken, there should have no outdated
# Guza which passed to the total_accumulated
source.check_outdated_guzis(date(2010, 2, 9))
self.assertEqual(len(source.guza_trashbin), 0)
def test_give_guzas_to_should_raise_error_if_target_is_not_a_company(self):
user = User("id", None)
target = User(None, None)
with self.assertRaises(ValueError):
user.give_guzas_to(target, 0)
def test_give_guzas_to_should_raise_error_if_amount_is_negative(self):
user = User("id", None)
with self.assertRaises(ValueError):
user.give_guzas_to(None, -10)
def test_give_guzas_to_should_raise_error_if_user_cannot_afford_it(self):
user = User("id", None)
with self.assertRaises(ValueError):
user.give_guzas_to(None, 10)