olm/python/tests/pk_test.py

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# -*- coding: utf-8 -*-
import pytest
from olm import (PkDecryption, PkDecryptionError, PkEncryption, PkSigning,
ed25519_verify)
class TestClass(object):
def test_invalid_encryption(self):
with pytest.raises(ValueError):
PkEncryption("")
def test_decrytion(self):
decryption = PkDecryption()
encryption = PkEncryption(decryption.public_key)
plaintext = "It's a secret to everybody."
message = encryption.encrypt(plaintext)
decrypted_plaintext = decryption.decrypt(message)
isinstance(decrypted_plaintext, str)
assert plaintext == decrypted_plaintext
def test_invalid_decrytion(self):
decryption = PkDecryption()
encryption = PkEncryption(decryption.public_key)
plaintext = "It's a secret to everybody."
message = encryption.encrypt(plaintext)
message.ephemeral_key = "?"
with pytest.raises(PkDecryptionError):
decryption.decrypt(message)
def test_pickling(self):
decryption = PkDecryption()
encryption = PkEncryption(decryption.public_key)
plaintext = "It's a secret to everybody."
message = encryption.encrypt(plaintext)
pickle = decryption.pickle()
unpickled = PkDecryption.from_pickle(pickle)
decrypted_plaintext = unpickled.decrypt(message)
assert plaintext == decrypted_plaintext
def test_invalid_unpickling(self):
with pytest.raises(ValueError):
PkDecryption.from_pickle("")
def test_invalid_pass_pickling(self):
decryption = PkDecryption()
pickle = decryption.pickle("Secret")
with pytest.raises(PkDecryptionError):
PkDecryption.from_pickle(pickle, "Not secret")
def test_signing(self):
seed = PkSigning.generate_seed()
signing = PkSigning(seed)
message = "This statement is true"
signature = signing.sign(message)
ed25519_verify(signing.public_key, message, signature)
def test_invalid_unicode_decrypt(self):
decryption = PkDecryption()
encryption = PkEncryption(decryption.public_key)
message = encryption.encrypt(b"\xed")
plaintext = decryption.decrypt(message)
assert plaintext == u"<EFBFBD>"