Add crypt unit test
The patch add crypt unit test Change-Id: I2b89c6aec2ac6b5f746a76317d5e41ceee6353e2
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# (c) Copyright 2018 ZTE Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import shutil
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import sys
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import tempfile
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import unittest
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# import mock
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# from mock import patch
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from freezer.utils import crypt
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class AESCipherTestCase(unittest.TestCase):
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def setUp(self):
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super(AESCipherTestCase, self).setUp()
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self.passwd_test_file_dir = None
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self.passwd_test_file_name = None
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self.create_pass_test_file()
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def tearDown(self):
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super(AESCipherTestCase, self).tearDown()
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self.delete_pass_test_file()
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def create_pass_test_file(self):
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if self.passwd_test_file_name:
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return
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tmpdir = tempfile.mkdtemp()
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FILES_DIR_PREFIX = "freezer_passwd_dir"
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files_dir = tempfile.mkdtemp(dir=tmpdir, prefix=FILES_DIR_PREFIX)
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file_name = "passwd_test"
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self.passwd_test_file_dir = files_dir
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text = '78f40f2c57eee727a4be179049cecf89'
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filehandle = open(files_dir + "/" + file_name, 'w')
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if filehandle:
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filehandle.write(text)
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filehandle.close()
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self.passwd_test_file_name = files_dir + "/" + file_name
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def delete_pass_test_file(self):
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if self.passwd_test_file_name:
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files_dir = self.passwd_test_file_dir
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shutil.rmtree(files_dir)
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self.passwd_test_file_name = None
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self.passwd_test_file_dir = None
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def test_get_pass_from_file(self):
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pfile = self.passwd_test_file_name
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passwd = crypt.AESCipher._get_pass_from_file(pfile)
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self.assertEqual(passwd, '78f40f2c57eee727a4be179049cecf89')
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@unittest.skipIf(sys.version_info.major == 3,
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'Not supported on python v 3.x')
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def test_derive_key_and_iv(self):
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passwd = 'ababab'
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salt = 'a'
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ret1, ret2 = crypt.AESCipher._derive_key_and_iv(password=passwd,
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salt=salt,
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key_length=10,
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iv_length=5)
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expect1 = '\xb3J5\xce\xd4b\x87\xce\xe0:'
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expect2 = '\x93\xc9\x9d\x03\x00'
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self.assertEqual(ret1, expect1)
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self.assertEqual(ret2, expect2)
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