def test_withdraw(self):
customerTest = Customer("Testing Customer")
customerTest.set_balance(2000)
self.assertEqual(customerTest.withdraw(1000), 1000)
self.assertEqual(customerTest.withdraw(100), 900)
self.assertEqual(customerTest.withdraw(25), 875)
self.assertEqual(customerTest.withdraw(175), 700)
def test_withdraw_no_balance(self):
'''
Checks that an error is raised if the balance attribute is not set
'''
with self.assertRaises(AttributeError):
this_account = Customer("Lynn")
this_account.withdraw(15)
def test_withdraw_empty(self):
'''
Checks that withdraw raises an error when no amount is provided
'''
with self.assertRaises(TypeError):
this_account = Customer("James")
this_account.set_balance()
this_account.withdraw()
def test_withdraw_insufficient_funds(self):
'''
Checks that the withdraw method will raise an exception when given a value less than the current balance
'''
this_balance = 250.53
withdrawal = 999.99
sample_account = Customer("Taylor")
sample_account.set_balance(this_balance)
with self.assertRaises(RuntimeError):
sample_account.withdraw(withdrawal)
def test_withdraw(self):
'''
Checks that withdraw, when given a proper amount value, functions correctly
Checks both the modified balance within class and the returned value by withdraw
'''
this_balance = 13.7
withdrawal = 8.5
sample_account = Customer("Jessie")
sample_account.set_balance(this_balance)
self.assertEqual(sample_account.withdraw(withdrawal),
this_balance - withdrawal)
self.assertEqual(sample_account.balance, this_balance - withdrawal)
def test_withdraw(self):
#set the testing initial balance to 10 dollars.
Customer.set_balance(sample, balance=10.0)
#draw 5 dollars out of the balance
Customer.withdraw(sample, 5.0)
self.assertEqual(sample.balance, 5.0)
#draw 4.50 dollars out of the balance
Customer.withdraw(sample, 4.50)
self.assertEqual(sample.balance, 0.50)
#try to draw balance over than the previous balance and make sure
#the error display is correct too.
with self.assertRaises(Exception) as content:
Customer.withdraw(sample, 1.00)
#it has to be same display as the given error in sample_account.py
self.assertTrue(
'Amount greater than available balance.' in content.exception)