class TestASuccessfulTransfer(TestCase):
def setUp(self):
self.user = UserFactory(username="******")
source = AccountFactory(primary_user=None, credit_limit=None)
destination = AccountFactory()
self.transfer = Transfer.objects.create(source,
destination,
D('10.00'),
user=self.user)
def test_creates_2_transactions(self):
self.assertEqual(2, self.transfer.transactions.all().count())
def test_records_the_transferred_amount(self):
self.assertEqual(D('10.00'), self.transfer.amount)
def test_updates_source_balance(self):
self.assertEqual(-D('10.00'), self.transfer.source.balance)
def test_updates_destination_balance(self):
self.assertEqual(D('10.00'), self.transfer.destination.balance)
def test_cannot_be_deleted(self):
with self.assertRaises(RuntimeError):
self.transfer.delete()
def test_records_static_user_information_in_case_user_is_deleted(self):
self.assertEqual('barry', self.transfer.authorisor_username)
self.user.delete()
transfer = Transfer.objects.get(id=self.transfer.id)
self.assertEqual('barry', transfer.authorisor_username)
def test_is_not_deleted_when_the_authorisor_is_deleted(self):
user = UserFactory()
source = AccountFactory(credit_limit=None,
primary_user=user,
start_date=None,
end_date=None)
destination = AccountFactory(start_date=None, end_date=None)
txn = Transfer.objects.create(source,
destination,
D('20.00'),
user=user)
self.assertEqual(2, txn.transactions.all().count())
user.delete()
self.assertEqual(2, txn.transactions.all().count())