def test_encode_random_bytes(self):
key = encoded_random_bytes(num_bytes=16)
self.assertEqual(len(decode_bytes(key)), 16)
key = encoded_random_bytes(num_bytes=24)
self.assertEqual(len(decode_bytes(key)), 24)
key = encoded_random_bytes(num_bytes=32)
self.assertEqual(len(decode_bytes(key)), 32)
def setUp(self):
self.app = CompanyApp(uri="sqlite://",
cipher_key=encoded_random_bytes(num_bytes=32),
persist_event_type=(Company.Event, Person.Event))
self.jim_id = self.app.involve_person(title="Mr",
name="James Holden",
address="Earth",
date_of_birth="08/1987")
self.naomi_id = self.app.involve_person(title="Miss",
name="Naomi Nagata",
address="The Belt",
date_of_birth="03/1992")
self.amos_id = self.app.involve_person(title="Mr",
name="Amos Burton",
address="Earth",
date_of_birth="02/1991")
self.alex_id = self.app.involve_person(title="Mr",
name="Alex Kamal",
address="Mars",
date_of_birth="08/1985")
self.company_id = self.app.prepare_new_company(
name="Rocinante Limited",
address="Space",
sic_code=27151,
initial_directors_ids=[self.jim_id, self.naomi_id])
def test_encrypt_mode_gcm(self):
from eventsourcing.utils.cipher.aes import AESCipher
from eventsourcing.utils.random import encoded_random_bytes, decode_bytes
# Unicode string representing 256 random bits encoded with Base64.
cipher_key = encoded_random_bytes(num_bytes=32)
# Construct AES cipher.
cipher = AESCipher(cipher_key=decode_bytes(cipher_key))
# Encrypt some plaintext.
ciphertext = cipher.encrypt(b"plaintext")
self.assertNotEqual(ciphertext, "plaintext")
# Decrypt some ciphertext.
plaintext = cipher.decrypt(ciphertext)
self.assertEqual(plaintext, b"plaintext")
# Check DataIntegrityError is raised (broken Base64 padding).
with self.assertRaises(DataIntegrityError):
damaged = ciphertext[:-1]
cipher.decrypt(damaged)
# Check DataIntegrityError is raised (MAC check fails).
with self.assertRaises(DataIntegrityError):
damaged = b"a" + ciphertext[:-1]
cipher.decrypt(damaged)
# Check DataIntegrityError is raised (nonce too short).
with self.assertRaises(DataIntegrityError):
damaged = ciphertext[:0]
cipher.decrypt(damaged)
# Check DataIntegrityError is raised (tag too short).
with self.assertRaises(DataIntegrityError):
damaged = ciphertext[:20]
cipher.decrypt(damaged)
number_of_shares=number_of_shares,
nominal_value_per_share=nominal_value_per_share,
price_paid_per_share=price_paid_per_share,
votes_per_share=1,
entitled_to_dividends=True,
entitled_to_capital=True,
redeemable=False
)
company.__save__()
person.record_shareholding(shareholding)
person.__save__()
if __name__ == "__main__":
# For using the Python shell
from eventsourcing.utils.random import encoded_random_bytes
cipher_key = encoded_random_bytes(32)
app = CompanyApp(persist_event_type=(Company.Event, Person.Event), uri="sqlite:///:memory:", cipher_key=cipher_key)
jim_id = app.involve_person(title="Mr", name="James Holden", address="Earth", date_of_birth = "08/1987")
amos_id = app.involve_person(title="Mr", name="Amos Burton", address="Earth", date_of_birth = "02/1991")
naomi_id = app.involve_person(title="Miss", name="Naomi Nagata", address="The Belt", date_of_birth = "03/1992")
alex_id = app.involve_person(title="Mr", name="Alex Kamal", address="Mars", date_of_birth = "08/1985")
company_id = app.prepare_new_company(name="Rocinante Limited", address="Space", sic_code=27151, initial_directors_ids=[jim_id, naomi_id])
for person_id in [jim_id, amos_id, naomi_id, alex_id]:
app.issue_ordinary_shares(in_company_id=company_id, to_person_id=person_id, number_of_shares=2500, nominal_value_per_share=Decimal("0.0001"), price_paid_per_share=Decimal("0.0001"))
company = app.repository[company_id]
for event in app.notification_log.get_items(start=0, stop=20):
print(event, "\n")
def construct_concrete_application(self):
return self.application_class.mixin(self.infrastructure_class)(
cipher_key=encoded_random_bytes(16),
persist_event_type=DomainEvent)
def get_application(self):
return self.application_class(cipher_key=encoded_random_bytes(16),
persist_event_type=DomainEvent)