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# Copyright 2014 Microsoft Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requires Python 2.4+ and Openssl 1.0+
#
from tests.tools import *
import uuid
import unittest
import os
from azurelinuxagent.common.future import ustr
import azurelinuxagent.common.utils.textutil as textutil
from azurelinuxagent.common.utils.textutil import Version
class TestTextUtil(AgentTestCase):
def test_get_password_hash(self):
with open(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'test_passwords.txt'), 'rb') as in_file:
for data in in_file:
# Remove bom on bytes data before it is converted into string.
data = textutil.remove_bom(data)
data = ustr(data, encoding='utf-8')
password_hash = textutil.gen_password_hash(data, 6, 10)
self.assertNotEquals(None, password_hash)
def test_replace_non_ascii(self):
data = ustr(b'\xef\xbb\xbfhehe', encoding='utf-8')
self.assertEqual('hehe', textutil.replace_non_ascii(data))
data = "abcd\xa0e\xf0fghijk\xbblm"
self.assertEqual("abcdefghijklm", textutil.replace_non_ascii(data))
data = "abcd\xa0e\xf0fghijk\xbblm"
self.assertEqual("abcdXeXfghijkXlm",
textutil.replace_non_ascii(data, replace_char='X'))
self.assertEqual('', textutil.replace_non_ascii(None))
def test_remove_bom(self):
#Test bom could be removed
data = ustr(b'\xef\xbb\xbfhehe', encoding='utf-8')
data = textutil.remove_bom(data)
self.assertNotEquals(0xbb, data[0])
#bom is comprised of a sequence of three bytes and ff length of the input is shorter
# than three bytes, remove_bom should not do anything
data = u"\xa7"
data = textutil.remove_bom(data)
self.assertEquals(data, data[0])
data = u"\xa7\xef"
data = textutil.remove_bom(data)
self.assertEquals(u"\xa7", data[0])
self.assertEquals(u"\xef", data[1])
#Test string without BOM is not affected
data = u"hehe"
data = textutil.remove_bom(data)
self.assertEquals(u"h", data[0])
data = u""
data = textutil.remove_bom(data)
self.assertEquals(u"", data)
data = u" "
data = textutil.remove_bom(data)
self.assertEquals(u" ", data)
def test_version_compare(self):
self.assertTrue(Version("1.0") < Version("1.1"))
self.assertTrue(Version("1.9") < Version("1.10"))
self.assertTrue(Version("1.9.9") < Version("1.10.0"))
self.assertTrue(Version("1.0.0.0") < Version("1.2.0.0"))
self.assertTrue(Version("1.0") <= Version("1.1"))
self.assertTrue(Version("1.1") > Version("1.0"))
self.assertTrue(Version("1.1") >= Version("1.0"))
self.assertTrue(Version("1.0") == Version("1.0"))
self.assertTrue(Version("1.0") >= Version("1.0"))
self.assertTrue(Version("1.0") <= Version("1.0"))
self.assertTrue(Version("1.9") < "1.10")
self.assertTrue("1.9" < Version("1.10"))
def test_get_bytes_from_pem(self):
content = ("-----BEGIN CERTIFICATE-----\n"
"certificate\n"
"-----END CERTIFICATE----\n")
base64_bytes = textutil.get_bytes_from_pem(content)
self.assertEquals("certificate", base64_bytes)
content = ("-----BEGIN PRIVATE KEY-----\n"
"private key\n"
"-----END PRIVATE Key-----\n")
base64_bytes = textutil.get_bytes_from_pem(content)
self.assertEquals("private key", base64_bytes)
def test_swap_hexstring(self):
data = [
['12', 1, '21'],
['12', 2, '12'],
['12', 3, '012'],
['12', 4, '0012'],
['123', 1, '321'],
['123', 2, '2301'],
['123', 3, '123'],
['123', 4, '0123'],
['1234', 1, '4321'],
['1234', 2, '3412'],
['1234', 3, '234001'],
['1234', 4, '1234'],
['abcdef12', 1, '21fedcba'],
['abcdef12', 2, '12efcdab'],
['abcdef12', 3, 'f12cde0ab'],
['abcdef12', 4, 'ef12abcd'],
['aBcdEf12', 1, '21fEdcBa'],
['aBcdEf12', 2, '12EfcdaB'],
['aBcdEf12', 3, 'f12cdE0aB'],
['aBcdEf12', 4, 'Ef12aBcd']
]
for t in data:
self.assertEqual(t[2], textutil.swap_hexstring(t[0], width=t[1]))
if __name__ == '__main__':
unittest.main()
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