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# etoolkit
# Copyright (C) 2021-2026 Simeon Simeonov
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Tests for etoolkit.EtoolkitInstance static methods"""
import unittest.mock
import pytest
import etoolkit
@unittest.mock.patch('getpass.getpass')
def test_confirm_password_prompt(getpass, password_hash, master_password):
"""Tests the static EtoolkitInstance.confirm_password_prompt method"""
getpass.return_value = master_password
assert (
etoolkit.EtoolkitInstance.confirm_password_prompt(password_hash)
== master_password
)
assert (
etoolkit.EtoolkitInstance.confirm_password_prompt(password_hash, False)
== master_password
)
def test_decrypt_v1(master_password, short_encrypted_value_v1, short_value):
"""Tests the static EtoolkitInstance.decrypt method"""
assert (
etoolkit.EtoolkitInstance.decrypt(
master_password, short_encrypted_value_v1
)
== short_value
)
# now test with modified edata
edata = (
'enc-val$1$/cXpEMoZrTlb9yokGhw8tLTSUkqnqJ5ZoAkurNgMYx'
'w=$1VdkSMcZnLRwLiu1M8VlYcbelwmiVNY='
)
with pytest.raises(etoolkit.EtoolkitInstanceError) as exc_info:
etoolkit.EtoolkitInstance.decrypt(master_password, edata)
assert exc_info.type is etoolkit.EtoolkitInstanceError
assert exc_info.value.args[0] == f'Invalid tag when decrypting: {edata}'
def test_decrypt_v2_no_padding(
master_password, long_encrypted_value, long_value
):
"""Tests the static EtoolkitInstance.decrypt method for v2 - no padding"""
assert (
etoolkit.EtoolkitInstance.decrypt(
master_password, long_encrypted_value
)
== long_value
)
# now test with modified encrypted data
edata = long_encrypted_value[:60] + '5' + long_encrypted_value[61:]
with pytest.raises(etoolkit.EtoolkitInstanceError) as exc_info:
etoolkit.EtoolkitInstance.decrypt(master_password, edata)
assert exc_info.type is etoolkit.EtoolkitInstanceError
assert exc_info.value.args[0] == f'Invalid tag when decrypting: {edata}'
def test_decrypt_v2_with_padding(
master_password, short_encrypted_value, short_value
):
"""Tests the static EtoolkitInstance.decrypt method for v2 with padding"""
assert (
etoolkit.EtoolkitInstance.decrypt(
master_password, short_encrypted_value
)
== short_value
)
# now test with modified edata
edata = short_encrypted_value[:60] + '5' + short_encrypted_value[61:]
with pytest.raises(etoolkit.EtoolkitInstanceError) as exc_info:
etoolkit.EtoolkitInstance.decrypt(master_password, edata)
assert exc_info.type is etoolkit.EtoolkitInstanceError
assert exc_info.value.args[0] == f'Invalid tag when decrypting: {edata}'
def test_encrypt_no_padding(master_password, long_value):
"""Tests the static EtoolkitInstance.encrypt method with a long string"""
edata = etoolkit.EtoolkitInstance.encrypt(master_password, long_value)
assert edata.startswith('enc-val$2$')
assert len(edata) == 131
# the edata should always be different because of random salting
assert edata != etoolkit.EtoolkitInstance.encrypt(
master_password, long_value
)
def test_encrypt_with_padding(master_password, short_value):
"""Tests the static EtoolkitInstance.encrypt method with a short string"""
edata = etoolkit.EtoolkitInstance.encrypt(master_password, short_value)
assert edata.startswith('enc-val$2$')
assert len(edata) == 123
# the edata should always be different because of random salting
assert edata != etoolkit.EtoolkitInstance.encrypt(
master_password, short_value
)
@unittest.mock.patch('os.urandom')
def test_encrypt_staticly_no_padding(
urandom,
master_password,
non_random_bytes_32,
long_encrypted_value,
long_value,
):
"""Tests the EtoolkitInstance.encrypt method always with the same salt"""
urandom.return_value = non_random_bytes_32
edata = etoolkit.EtoolkitInstance.encrypt(master_password, long_value)
assert edata == long_encrypted_value
assert len(edata) == 131
assert edata == etoolkit.EtoolkitInstance.encrypt(
master_password, long_value
)
@unittest.mock.patch('os.urandom')
def test_encrypt_staticly_with_padding(
urandom,
master_password,
non_random_bytes_57,
short_encrypted_value,
short_value,
):
"""Tests the EtoolkitInstance.encrypt method always with the same salt"""
urandom.return_value = non_random_bytes_57
edata = etoolkit.EtoolkitInstance.encrypt(master_password, short_value)
assert edata == short_encrypted_value
assert edata == etoolkit.EtoolkitInstance.encrypt(
master_password, short_value
)
def test_get_new_password_hash(master_password):
"""Tests the static EtoolkitInstance.get_new_password_hash method"""
new_hash = etoolkit.EtoolkitInstance.get_new_password_hash(master_password)
# all pbkdf2 params are the same / hardcoded for the time being
assert new_hash.startswith('pbkdf2_sha256$500000$')
assert len(new_hash) == 110
# the hash should always be different because of random salting
assert new_hash != etoolkit.EtoolkitInstance.get_new_password_hash(
master_password
)
def test_parse_value():
"""Tests the static EtoolkitInstance.parse_value method"""
assert (
etoolkit.EtoolkitInstance.parse_value('t%bs%t', {'%b': 'e', '%t': 't'})
== 'test'
)
def test_password_matches(
password_hash, master_password, wrong_master_password
):
"""Tests the static EtoolkitInstance.password_matches method"""
assert etoolkit.EtoolkitInstance.password_matches(
master_password, password_hash
)
assert not etoolkit.EtoolkitInstance.password_matches(
wrong_master_password, password_hash
)
@unittest.mock.patch('os.urandom')
def test_reencrypt_staticly_with_padding(
urandom,
master_password,
new_master_password,
non_random_bytes_57,
short_encrypted_value,
short_encrypted_value_v1,
short_value,
):
"""Tests the EtoolkitInstance.reencrypt method always with the same salt"""
urandom.return_value = non_random_bytes_57
# reencrypt (migrate) v1 to current using the same password
edata = etoolkit.EtoolkitInstance.reencrypt(
master_password, master_password, short_encrypted_value_v1
)
assert edata == short_encrypted_value
# same version, same salt, same edata
assert edata == etoolkit.EtoolkitInstance.reencrypt(
master_password, master_password, edata
)
# use different password
edata = etoolkit.EtoolkitInstance.reencrypt(
master_password, new_master_password, edata
)
assert edata != short_encrypted_value
assert (
etoolkit.EtoolkitInstance.decrypt(new_master_password, edata)
== short_value
)
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