def test_shard_to_bytes(self, encrypted_mnemonic_1):
shard = Shard('foo', encrypted_mnemonic_1, self.interface)
byte_data = shard.to_bytes()
# The byte representation of a shamir share varies a little based on the
# payload, but for us, we are using 256-bit secrets, so this should give
# us 33 word shares (256 / 10 rounds up to 26, plus 4 words for
# bookkeeping and 3 for CRC gives 33). Converting this to bytes rounds
# up to 42 bytes
assert len(byte_data) == 42
def test_create_shard(self, encrypted_mnemonic_1):
shard_name = 'foo'
shard = Shard(shard_name, encrypted_mnemonic_1, self.interface)
assert shard.name == shard_name
assert shard.encrypted_mnemonic == encrypted_mnemonic_1
def test_shard_from_bytes(self, encrypted_mnemonic_1):
shard = Shard('foo', encrypted_mnemonic_1, self.interface)
byte_data = shard.to_bytes()
shard2 = Shard('a', None, self.interface)
shard2.from_bytes(byte_data)
assert shard2.name == 'a'
assert shard2.encrypted_mnemonic == shard.encrypted_mnemonic
def test_none_reencrypt_shard(self, encrypted_mnemonic_1, password_1,
unencrypted_mnemonic_1):
shard = Shard('foo', encrypted_mnemonic_1, self.interface)
# set up the user inteface for two calls to 'get_change_password'. Once
# to change from PASSWORD_1 to PASSWORD_2, and the second time to change
# back.
self.interface.get_change_password.side_effect = [(password_1, None),
(None, password_1)]
shard.change_password()
mnemonic = shard.encrypted_mnemonic
shard.change_password()
# We should have the same encrypted mnemonic that we started with
assert shard.encrypted_mnemonic == encrypted_mnemonic_1
# The intermidiate mnemonic should be different
assert mnemonic == unencrypted_mnemonic_1
def test_shard_to_str(self, encrypted_mnemonic_1):
shard = Shard('NAME', encrypted_mnemonic_1, self.interface)
string_value = shard.to_str()
assert string_value == 'NAME (family:5610 group:3 member:4)'
def test_decrypt_shard(self, encrypted_mnemonic_1, password_1,
unencrypted_mnemonic_1):
shard = Shard('foo', encrypted_mnemonic_1, self.interface)
self.interface.get_password.return_value = password_1
assert shard.words() == unencrypted_mnemonic_1