Commit 83126f2a2b
Verified · cmc
Layout: unified · split
tests/test_crypto.py added +50
| @@ -0,0 +1,50 @@ | |||
| 1 | # test_crypto.py | ||
| 2 | import unittest | ||
| 3 | from io import BytesIO | ||
| 4 | from cryptography.fernet import Fernet | ||
| 5 | from crypto import generate_key, load_key, encrypt, decrypt | ||
| 6 | |||
| 7 | class TestCryptoFunctions(unittest.TestCase): | ||
| 8 | |||
| 9 | def setUp(self): | ||
| 10 | self.key = generate_key() | ||
| 11 | with open('vault.sqlite', 'wb') as vault: | ||
| 12 | vault.write(b'Hello, world!') | ||
| 13 | |||
| 14 | def tearDown(self): | ||
| 15 | try: | ||
| 16 | os.remove('vault.sqlite') | ||
| 17 | except FileNotFoundError: | ||
| 18 | pass | ||
| 19 | |||
| 20 | def test_generate_key(self): | ||
| 21 | new_key = generate_key() | ||
| 22 | self.assertNotEqual(new_key, self.key) | ||
| 23 | |||
| 24 | def test_load_key(self): | ||
| 25 | key_file = 'key.bin' | ||
| 26 | with open(key_file, 'wb') as key: | ||
| 27 | key.write(self.key) | ||
| 28 | loaded_key = load_key(key_file) | ||
| 29 | self.assertEqual(loaded_key, self.key) | ||
| 30 | |||
| 31 | def test_encrypt_decrypt(self): | ||
| 32 | encrypt(self.key, filename='vault.sqlite') | ||
| 33 | with open('vault.sqlite', 'rb') as vault: | ||
| 34 | encrypted_data = vault.read() | ||
| 35 | decrypt(self.key) | ||
| 36 | with open('vault.sqlite', 'rb') as vault: | ||
| 37 | decrypted_data = vault.read() | ||
| 38 | f = Fernet(self.key) | ||
| 39 | self.assertEqual(f.decrypt(encrypted_data), b'Hello, world!') | ||
| 40 | |||
| 41 | def test_load_invalid_key(self): | ||
| 42 | key_file = 'key.bin' | ||
| 43 | try: | ||
| 44 | load_key(key_file) | ||
| 45 | self.fail('Expected FileNotFoundError') | ||
| 46 | except FileNotFoundError: | ||
| 47 | pass | ||
| 48 | |||
| 49 | if __name__ == '__main__': | ||
| 50 | unittest.main() | ||