Test with GnuPG 2 (#179)

Take advantage of pinentry-mock to obtain passphrases, instead of using
"expect" (which requires GnuPG 1).
This commit is contained in:
Tim Byrne 2019-12-02 17:57:57 -06:00
parent e5ff95d09c
commit 5d484ca825
No known key found for this signature in database
GPG Key ID: 14DB4FC2465A4B12
1 changed files with 111 additions and 64 deletions

View File

@ -2,6 +2,7 @@
import os
import pipes
import time
import pytest
KEY_FILE = 'test/test_key'
@ -13,26 +14,50 @@ PASSPHRASE = 'ExamplePassword'
pytestmark = pytest.mark.usefixtures('config_git')
def add_asymmetric_key():
def add_asymmetric_key(runner, gnupg):
"""Add asymmetric key"""
os.system(f'gpg --import {pipes.quote(KEY_FILE)}')
os.system(f'gpg --import-ownertrust < {pipes.quote(KEY_TRUST)}')
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
runner(
['gpg', '--import', pipes.quote(KEY_FILE)],
env=env,
shell=True,
)
runner(
['gpg', '--import-ownertrust', '<', pipes.quote(KEY_TRUST)],
env=env,
shell=True,
)
def remove_asymmetric_key():
def remove_asymmetric_key(runner, gnupg):
"""Remove asymmetric key"""
os.system(
f'gpg --batch --yes '
f'--delete-secret-keys {pipes.quote(KEY_FINGERPRINT)}')
os.system(f'gpg --batch --yes --delete-key {pipes.quote(KEY_FINGERPRINT)}')
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
runner(
[
'gpg', '--batch', '--yes',
'--delete-secret-keys', pipes.quote(KEY_FINGERPRINT)
],
env=env,
shell=True,
)
runner(
[
'gpg', '--batch', '--yes',
'--delete-key', pipes.quote(KEY_FINGERPRINT)
],
env=env,
shell=True,
)
@pytest.fixture
def asymmetric_key():
def asymmetric_key(runner, gnupg):
"""Fixture for asymmetric key, removed in teardown"""
add_asymmetric_key()
add_asymmetric_key(runner, gnupg)
yield KEY_NAME
remove_asymmetric_key()
remove_asymmetric_key(runner, gnupg)
@pytest.fixture
@ -95,7 +120,7 @@ def encrypt_targets(yadm_y, paths):
@pytest.fixture(scope='session')
def decrypt_targets(tmpdir_factory, runner):
def decrypt_targets(tmpdir_factory, runner, gnupg):
"""Fixture for setting data to decrypt
This fixture:
@ -117,17 +142,21 @@ def decrypt_targets(tmpdir_factory, runner):
tmpdir.join('subdir/decrypt3').write('subdir/decrypt3')
expected.append('subdir/decrypt3')
gnupg.pw(PASSPHRASE)
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
run = runner(
['tar', 'cvf', '-'] +
expected +
['|', 'gpg', '--batch', '--yes', '-c'] +
['--passphrase', pipes.quote(PASSPHRASE)] +
['--output', pipes.quote(str(symmetric))],
cwd=tmpdir,
env=env,
shell=True)
assert run.success
add_asymmetric_key()
gnupg.pw('')
add_asymmetric_key(runner, gnupg)
run = runner(
['tar', 'cvf', '-'] +
expected +
@ -135,9 +164,10 @@ def decrypt_targets(tmpdir_factory, runner):
['-r', pipes.quote(KEY_NAME)] +
['--output', pipes.quote(str(asymmetric))],
cwd=tmpdir,
env=env,
shell=True)
assert run.success
remove_asymmetric_key()
remove_asymmetric_key(runner, gnupg)
return {
'asymmetric': asymmetric,
@ -147,8 +177,8 @@ def decrypt_targets(tmpdir_factory, runner):
@pytest.mark.parametrize(
'mismatched_phrase', [False, True],
ids=['matching_phrase', 'mismatched_phrase'])
'bad_phrase', [False, True],
ids=['good_phrase', 'bad_phrase'])
@pytest.mark.parametrize(
'missing_encrypt', [False, True],
ids=['encrypt_exists', 'encrypt_missing'])
@ -157,25 +187,25 @@ def decrypt_targets(tmpdir_factory, runner):
ids=['clean', 'overwrite'])
def test_symmetric_encrypt(
runner, yadm_y, paths, encrypt_targets,
overwrite, missing_encrypt, mismatched_phrase):
gnupg, bad_phrase, overwrite, missing_encrypt):
"""Test symmetric encryption"""
if missing_encrypt:
paths.encrypt.remove()
matched_phrase = PASSPHRASE
if mismatched_phrase:
matched_phrase = 'mismatched'
if bad_phrase:
gnupg.pw('')
else:
gnupg.pw(PASSPHRASE)
if overwrite:
paths.archive.write('existing archive')
run = runner(yadm_y('encrypt'), expect=[
('passphrase:', PASSPHRASE),
('passphrase:', matched_phrase),
])
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
run = runner(yadm_y('encrypt'), env=env)
if missing_encrypt or mismatched_phrase:
if missing_encrypt or bad_phrase:
assert run.failure
else:
assert run.success
@ -183,15 +213,16 @@ def test_symmetric_encrypt(
if missing_encrypt:
assert 'does not exist' in run.out
elif mismatched_phrase:
assert 'invalid passphrase' in run.out
elif bad_phrase:
assert 'Invalid passphrase' in run.err
else:
assert encrypted_data_valid(runner, paths.archive, encrypt_targets)
assert encrypted_data_valid(
runner, gnupg, paths.archive, encrypt_targets)
@pytest.mark.parametrize(
'wrong_phrase', [False, True],
ids=['correct_phrase', 'wrong_phrase'])
'bad_phrase', [False, True],
ids=['good_phrase', 'bad_phrase'])
@pytest.mark.parametrize(
'archive_exists', [True, False],
ids=['archive_exists', 'archive_missing'])
@ -199,16 +230,18 @@ def test_symmetric_encrypt(
'dolist', [False, True],
ids=['decrypt', 'list'])
def test_symmetric_decrypt(
runner, yadm_y, paths, decrypt_targets,
dolist, archive_exists, wrong_phrase):
runner, yadm_y, paths, decrypt_targets, gnupg,
dolist, archive_exists, bad_phrase):
"""Test decryption"""
# init empty yadm repo
os.system(' '.join(yadm_y('init', '-w', str(paths.work), '-f')))
phrase = PASSPHRASE
if wrong_phrase:
phrase = 'wrong-phrase'
if bad_phrase:
gnupg.pw('')
time.sleep(1) # allow gpg-agent cache to expire
else:
gnupg.pw(PASSPHRASE)
if archive_exists:
decrypt_targets['symmetric'].copy(paths.archive)
@ -216,15 +249,18 @@ def test_symmetric_decrypt(
# to test overwriting
paths.work.join('decrypt1').write('pre-existing file')
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
args = []
if dolist:
args.append('-l')
run = runner(yadm_y('decrypt') + args, expect=[('passphrase:', phrase)])
run = runner(yadm_y('decrypt') + args, env=env)
if archive_exists and not wrong_phrase:
if archive_exists and not bad_phrase:
assert run.success
assert run.err == ''
assert 'encrypted with 1 passphrase' in run.err
if dolist:
for filename in decrypt_targets['expected']:
if filename != 'decrypt1': # this one should exist
@ -248,7 +284,7 @@ def test_symmetric_decrypt(
'overwrite', [False, True],
ids=['clean', 'overwrite'])
def test_asymmetric_encrypt(
runner, yadm_y, paths, encrypt_targets,
runner, yadm_y, paths, encrypt_targets, gnupg,
overwrite, key_exists, ask):
"""Test asymmetric encryption"""
@ -264,13 +300,17 @@ def test_asymmetric_encrypt(
paths.archive.write('existing archive')
if not key_exists:
remove_asymmetric_key()
remove_asymmetric_key(runner, gnupg)
run = runner(yadm_y('encrypt'), expect=expect)
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
run = runner(yadm_y('encrypt'), env=env, expect=expect)
if key_exists:
assert run.success
assert encrypted_data_valid(runner, paths.archive, encrypt_targets)
assert encrypted_data_valid(
runner, gnupg, paths.archive, encrypt_targets)
else:
assert run.failure
assert 'Unable to write' in run.out
@ -287,7 +327,7 @@ def test_asymmetric_encrypt(
'dolist', [False, True],
ids=['decrypt', 'list'])
def test_asymmetric_decrypt(
runner, yadm_y, paths, decrypt_targets,
runner, yadm_y, paths, decrypt_targets, gnupg,
dolist, key_exists):
"""Test decryption"""
@ -300,13 +340,15 @@ def test_asymmetric_decrypt(
paths.work.join('decrypt1').write('pre-existing file')
if not key_exists:
remove_asymmetric_key()
remove_asymmetric_key(runner, gnupg)
args = []
if dolist:
args.append('-l')
run = runner(yadm_y('decrypt') + args)
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
run = runner(yadm_y('decrypt') + args, env=env)
if key_exists:
assert run.success
@ -327,7 +369,8 @@ def test_asymmetric_decrypt(
'untracked',
[False, 'y', 'n'],
ids=['tracked', 'untracked_answer_y', 'untracked_answer_n'])
def test_offer_to_add(runner, yadm_y, paths, encrypt_targets, untracked):
def test_offer_to_add(
runner, yadm_y, paths, encrypt_targets, gnupg, untracked):
"""Test offer to add encrypted archive
All the other encryption tests use an archive outside of the work tree.
@ -336,10 +379,12 @@ def test_offer_to_add(runner, yadm_y, paths, encrypt_targets, untracked):
"""
worktree_archive = paths.work.join('worktree-archive.tar.gpg')
expect = [
('passphrase:', PASSPHRASE),
('passphrase:', PASSPHRASE),
]
expect = []
gnupg.pw(PASSPHRASE)
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
if untracked:
expect.append(('add it now', untracked))
@ -349,12 +394,14 @@ def test_offer_to_add(runner, yadm_y, paths, encrypt_targets, untracked):
run = runner(
yadm_y('encrypt', '--yadm-archive', str(worktree_archive)),
env=env,
expect=expect
)
assert run.success
assert run.err == ''
assert encrypted_data_valid(runner, worktree_archive, encrypt_targets)
assert encrypted_data_valid(
runner, gnupg, worktree_archive, encrypt_targets)
run = runner(
yadm_y('status', '--porcelain', '-uall', str(worktree_archive)))
@ -372,22 +419,20 @@ def test_offer_to_add(runner, yadm_y, paths, encrypt_targets, untracked):
assert f'AM {worktree_archive.basename}' in run.out
def test_encrypt_added_to_exclude(runner, yadm_y, paths):
@pytest.mark.usefixtures('ds1_copy')
def test_encrypt_added_to_exclude(runner, yadm_y, paths, gnupg):
"""Confirm that .config/yadm/encrypt is added to exclude"""
expect = [
('passphrase:', PASSPHRASE),
('passphrase:', PASSPHRASE),
]
gnupg.pw(PASSPHRASE)
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
exclude_file = paths.repo.join('info/exclude')
paths.encrypt.write('test-encrypt-data\n')
paths.work.join('test-encrypt-data').write('')
exclude_file.write('original-data', ensure=True)
run = runner(
yadm_y('encrypt'),
expect=expect,
)
run = runner(yadm_y('encrypt'), env=env)
assert 'test-encrypt-data' in paths.repo.join('info/exclude').read()
assert 'original-data' in paths.repo.join('info/exclude').read()
@ -395,14 +440,16 @@ def test_encrypt_added_to_exclude(runner, yadm_y, paths):
assert run.err == ''
def encrypted_data_valid(runner, encrypted, expected):
def encrypted_data_valid(runner, gnupg, encrypted, expected):
"""Verify encrypted data matches expectations"""
gnupg.pw(PASSPHRASE)
env = os.environ.copy()
env['GNUPGHOME'] = gnupg.home
run = runner([
'gpg',
'--passphrase', pipes.quote(PASSPHRASE),
'-d', pipes.quote(str(encrypted)),
'2>/dev/null',
'|', 'tar', 't'], shell=True, report=False)
'|', 'tar', 't'], env=env, shell=True, report=False)
file_count = 0
for filename in run.out.splitlines():
if filename.endswith('/'):