combox

split and encrypted files between online file storage providers
git clone git://git.ricketyspace.net/combox.git
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commit 7cbe5a835eb1fc08ef0d4293a7901f45cdf74a5d
parent adc055b25b9b5f3bbe9490116e89d9dc08444ee5
Author: Siddharth Ravikumar <sravik@bgsu.edu>
Date:   Thu, 12 Feb 2015 14:59:59 -0500

tests/crypto_test.py: re-wrote it.

Now the test is in a Test class with proper setup and teardown methods.

Diffstat:
tests/crypto_test.py | 124+++++++++++++++++++++++++++++++++++++++++++------------------------------------
1 file changed, 68 insertions(+), 56 deletions(-)

diff --git a/tests/crypto_test.py b/tests/crypto_test.py @@ -27,83 +27,95 @@ from shutil import copyfile from combox.config import get_nodedirs from combox.crypto import * from combox.file import * +from tests.utils import get_config +class TestCrypto(object): + """ + Class that tests they crypto.py module. + """ -CONFIG_DIR = path.join('tests', 'test-config') + @classmethod + def setup_class(self): + """Set things up.""" -config_file = path.join(CONFIG_DIR, 'config.yaml') -try: - config = yaml.load(file(config_file, 'r')) -except yaml.YAMLError, exc: - raise AssertionError("Error in configuration file:", exc) + self.config = get_config() + FILES_DIR = self.config['combox_dir'] + self.TEST_FILE = path.join(FILES_DIR,'thgttg-21st.png') -FILES_DIR = config['combox_dir'] -TEST_FILE = path.join(FILES_DIR,'thgttg-21st.png') + # create a copy of TEST_FILE (for later comparision) + self.TEST_FILE_COPY = "%s.copy" % self.TEST_FILE + copyfile(self.TEST_FILE, self.TEST_FILE_COPY) -def test_encryption(): - """ Read file, encrypt it to a cipher, write cipher to file, read - encrypted file, decrypt it, write decrypted data to file. -""" + def test_encryption(self): + """ Read file, encrypt it to a cipher, write cipher to file, read + encrypted file, decrypt it, write decrypted data to file. + """ - f = path.abspath(TEST_FILE) - f_content = read_file(f) + f = path.abspath(self.TEST_FILE) + f_content = read_file(f) - # encrypt - f_cipher = encrypt(f_content, config['topsecret']) - # decrypt - f_content_decrypted = decrypt(f_cipher, config['topsecret']) + # encrypt + f_cipher = encrypt(f_content, self.config['topsecret']) + # decrypt + f_content_decrypted = decrypt(f_cipher, self.config['topsecret']) - assert f_content == f_content_decrypted + assert f_content == f_content_decrypted -def test_split_encryption(): - """Read file, split it, encrypt shards, write encrypted shards to - file, read encrypted shards from file, decrypt the encrypted shards, - glue the shards together, write glued data to file. - """ + def test_split_encryption(self): + """Read file, split it, encrypt shards, write encrypted shards to + file, read encrypted shards from file, decrypt the encrypted shards, + glue the shards together, write glued data to file. + """ - # no. of shards = no. of nodes - SHARDS = len(config['nodes_info'].keys()) + # no. of shards = no. of nodes + SHARDS = len(self.config['nodes_info'].keys()) - f = path.abspath(TEST_FILE) - f_content = read_file(f) - f_shards = split_data(f_content, SHARDS) + f = path.abspath(self.TEST_FILE) + f_content = read_file(f) + f_shards = split_data(f_content, SHARDS) - # encrypt shards - ciphered_shards = encrypt_shards(f_shards, config['topsecret']) + # encrypt shards + ciphered_shards = encrypt_shards(f_shards, self.config['topsecret']) - # write ciphered shards to disk - f_basename = path.basename(f) - nodes = get_nodedirs(config) - write_shards(ciphered_shards, nodes, f_basename) + # write ciphered shards to disk + # f_basename = path.basename(f) + f_basename = relative_path(f, self.config) + nodes = get_nodedirs(self.config) + write_shards(ciphered_shards, nodes, f_basename) - # read ciphered shards from disk - ciphered_shards = read_shards(nodes, f_basename) + # read ciphered shards from disk + ciphered_shards = read_shards(nodes, f_basename) - # decrypt shards - f_parts = decrypt_shards(ciphered_shards, config['topsecret']) - # glue them shards together - f_content_glued = glue_data(f_parts) + # decrypt shards + f_parts = decrypt_shards(ciphered_shards, self.config['topsecret']) + # glue them shards together + f_content_glued = glue_data(f_parts) - assert f_content == f_content_glued + assert f_content == f_content_glued -def test_convenience_crypto(): - """ - Tests convenience crypto function(s) - split_and_encrypt, decrypt and glue. - """ - # splits file into shards, writes encrypted shards to respective - # node directories. - split_and_encrypt(TEST_FILE, config) + def test_convenience_crypto(self): + """ + Tests convenience crypto function(s) - split_and_encrypt, decrypt and glue. + """ + + # splits file into shards, writes encrypted shards to respective + # node directories. + split_and_encrypt(self.TEST_FILE, self.config) + + # reads encrypted shards from node directories, glues them and + # writes decrypted back to combox directory. + decrypt_and_glue(self.TEST_FILE, self.config) + + assert cmp(self.TEST_FILE, self.TEST_FILE_COPY, False) - # create a copy of TEST_FILE (for later comparision) - TEST_FILE_COPY = "%s.copy" % TEST_FILE - copyfile(TEST_FILE, TEST_FILE_COPY) - # reads encrypted shards from node directories, glues them and - # writes decrypted back to combox directory. - decrypt_and_glue(TEST_FILE, config) + @classmethod + def teardown_class(self): + """Purge the mess created by this test""" - assert cmp(TEST_FILE, TEST_FILE_COPY, False) + rm_shards(self.TEST_FILE, self.config) + remove(self.TEST_FILE_COPY)