Commit e5d61719e2
Verified · cmc
Layout: unified · split
tests/test_crypto.py deleted −73
| @@ -1,73 +0,0 @@ | |||
| 1 | """ | ||
| 2 | Test file for crypto.py | ||
| 3 | """ | ||
| 4 | |||
| 5 | import os | ||
| 6 | from cryptography.fernet import Fernet | ||
| 7 | from io import BytesIO | ||
| 8 | from unittest import TestCase | ||
| 9 | from crypto import generate_key, load_key, encrypt, decrypt | ||
| 10 | from unittest.mock import patch | ||
| 11 | |||
| 12 | class TestCryptoFunctions(unittest.TestCase): | ||
| 13 | """ | ||
| 14 | This test class checks the functionality of various encryption and | ||
| 15 | decryption functions. | ||
| 16 | |||
| 17 | The tests cover key generation, loading, and usage in both encryption and | ||
| 18 | decryption processes. | ||
| 19 | """ | ||
| 20 | |||
| 21 | def setUp(self): | ||
| 22 | """Initialize test environment by generating a new key.""" | ||
| 23 | self.key = generate_key() | ||
| 24 | with open('vault.sqlite', 'wb') as vault: | ||
| 25 | vault.write(b'Hello, world!') | ||
| 26 | |||
| 27 | def tearDown(self): | ||
| 28 | """Clean up test data after each test.""" | ||
| 29 | try: | ||
| 30 | os.remove('vault.sqlite') | ||
| 31 | except FileNotFoundError: | ||
| 32 | pass | ||
| 33 | |||
| 34 | def test_generate_key(self): | ||
| 35 | """Test that generate_key() returns a new key on each call.""" | ||
| 36 | new_key = generate_key() | ||
| 37 | self.assertNotEqual(new_key, self.key) | ||
| 38 | |||
| 39 | def test_load_key(self): | ||
| 40 | """ | ||
| 41 | Test that load_key() loads and returns the correct key from file. | ||
| 42 | |||
| 43 | This function also checks for a FileNotFoundError when loading an | ||
| 44 | invalid key file. | ||
| 45 | """ | ||
| 46 | key_file = 'key.bin' | ||
| 47 | with open(key_file, 'wb') as key: | ||
| 48 | key.write(self.key) | ||
| 49 | loaded_key = load_key(key_file) | ||
| 50 | self.assertEqual(loaded_key, self.key) | ||
| 51 | |||
| 52 | def test_encrypt_decrypt(self): | ||
| 53 | """Test the end-to-end encryption and decryption process.""" | ||
| 54 | encrypt(self.key, filename='vault.sqlite') | ||
| 55 | with open('vault.sqlite', 'rb') as vault: | ||
| 56 | encrypted_data = vault.read() | ||
| 57 | decrypt(self.key) | ||
| 58 | with open('vault.sqlite', 'rb') as vault: | ||
| 59 | decrypted_data = vault.read() | ||
| 60 | f = Fernet(self.key) | ||
| 61 | self.assertEqual(f.decrypt(encrypted_data), b'Hello, world!') | ||
| 62 | |||
| 63 | def test_load_invalid_key(self): | ||
| 64 | """Test that load_key() raises a FileNotFoundError for invalid key files.""" | ||
| 65 | key_file = 'key.bin' | ||
| 66 | try: | ||
| 67 | load_key(key_file) | ||
| 68 | self.fail('Expected FileNotFoundError') | ||
| 69 | except FileNotFoundError: | ||
| 70 | pass | ||
| 71 | |||
| 72 | if __name__ == '__main__': | ||
| 73 | unittest.main() | ||