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certbot/letsencrypt/client/le_util_test.py

135 lines
4.0 KiB
Python

"""Tests for letsencrypt.client.le_util."""
import os
import shutil
import tempfile
import unittest
class MakeOrVerifyDirTest(unittest.TestCase):
"""Tests for letsencrypt.client.le_util.make_or_verify_dir.
Note that it is not possible to test for a wrong directory owner,
as this testing script would have to be run as root.
"""
def setUp(self):
self.root_path = tempfile.mkdtemp()
self.path = os.path.join(self.root_path, 'foo')
os.mkdir(self.path, 0o400)
self.uid = os.getuid()
def tearDown(self):
shutil.rmtree(self.root_path, ignore_errors=True)
def _call(self, directory, mode):
from letsencrypt.client.le_util import make_or_verify_dir
return make_or_verify_dir(directory, mode, self.uid)
def test_creates_dir_when_missing(self):
path = os.path.join(self.root_path, 'bar')
self._call(path, 0o650)
self.assertTrue(os.path.isdir(path))
# TODO: check mode
def test_existing_correct_mode_does_not_fail(self):
self._call(self.path, 0o400)
# TODO: check mode
def test_existing_wrong_mode_fails(self):
self.assertRaises(Exception, self._call, self.path, 0o600)
class CheckPermissionsTest(unittest.TestCase):
"""Tests for letsencrypt.client.le_util.check_permissions.
Note that it is not possible to test for a wrong file owner,
as this testing script would have to be run as root.
"""
def setUp(self):
_, self.path = tempfile.mkstemp()
self.uid = os.getuid()
def tearDown(self):
os.remove(self.path)
def _call(self, mode):
from letsencrypt.client.le_util import check_permissions
return check_permissions(self.path, mode, self.uid)
def test_ok_mode(self):
os.chmod(self.path, 0o600)
self.assertTrue(self._call(0o600))
def test_wrong_mode(self):
os.chmod(self.path, 0o400)
self.assertFalse(self._call(0o600))
# https://en.wikipedia.org/wiki/Base64#Examples
JOSE_B64_PADDING_EXAMPLES = {
'any carnal pleasure.': ('YW55IGNhcm5hbCBwbGVhc3VyZS4', '='),
'any carnal pleasure': ('YW55IGNhcm5hbCBwbGVhc3VyZQ', '=='),
'any carnal pleasur': ('YW55IGNhcm5hbCBwbGVhc3Vy', ''),
'any carnal pleasu': ('YW55IGNhcm5hbCBwbGVhc3U', '='),
'any carnal pleas': ('YW55IGNhcm5hbCBwbGVhcw', '=='),
}
B64_URL_UNSAFE_EXAMPLES = {
chr(251) + chr(239): '--8',
chr(255) * 2: '__8',
}
class JOSEB64EncodeTest(unittest.TestCase):
"""Tests for letsencrypt.client.le_util.jose_b64encode."""
def _call(self, data):
from letsencrypt.client.le_util import jose_b64encode
return jose_b64encode(data)
def test_unsafe_url(self):
for text, b64 in B64_URL_UNSAFE_EXAMPLES.iteritems():
self.assertEqual(self._call(text), b64)
def test_different_paddings(self):
for text, (b64, _) in JOSE_B64_PADDING_EXAMPLES.iteritems():
self.assertEqual(self._call(text), b64)
def test_unicode_fails_with_type_error(self):
self.assertRaises(TypeError, self._call, u'some unicode')
class JOSEB64DecodeTest(unittest.TestCase):
"""Tests for letsencrypt.client.le_util.jose_b64decode."""
def _call(self, data):
from letsencrypt.client.le_util import jose_b64decode
return jose_b64decode(data)
def test_unsafe_url(self):
for text, b64 in B64_URL_UNSAFE_EXAMPLES.iteritems():
self.assertEqual(self._call(b64), text)
def test_input_without_padding(self):
for text, (b64, _) in JOSE_B64_PADDING_EXAMPLES.iteritems():
self.assertEqual(self._call(b64), text)
def test_input_with_padding(self):
for text, (b64, pad) in JOSE_B64_PADDING_EXAMPLES.iteritems():
self.assertEqual(self._call(b64 + pad), text)
def test_unicode_with_ascii(self):
self.assertEqual(self._call(u'YQ'), 'a')
def test_non_ascii_unicode_fails(self):
self.assertRaises(ValueError, self._call, u'\u0105')
if __name__ == '__main__':
unittest.main()