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# -*- coding: utf-8 -*-
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack Foundation.
# All Rights Reserved.
#
# 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.
import mock
import six
from openstack.common import strutils
from tests import utils
class StrUtilsTest(utils.BaseTestCase):
def test_bool_bool_from_string(self):
self.assertTrue(strutils.bool_from_string(True))
self.assertFalse(strutils.bool_from_string(False))
def _test_bool_from_string(self, c):
self.assertTrue(strutils.bool_from_string(c('true')))
self.assertTrue(strutils.bool_from_string(c('TRUE')))
self.assertTrue(strutils.bool_from_string(c('on')))
self.assertTrue(strutils.bool_from_string(c('On')))
self.assertTrue(strutils.bool_from_string(c('yes')))
self.assertTrue(strutils.bool_from_string(c('YES')))
self.assertTrue(strutils.bool_from_string(c('yEs')))
self.assertTrue(strutils.bool_from_string(c('1')))
self.assertTrue(strutils.bool_from_string(c('T')))
self.assertTrue(strutils.bool_from_string(c('t')))
self.assertTrue(strutils.bool_from_string(c('Y')))
self.assertTrue(strutils.bool_from_string(c('y')))
self.assertFalse(strutils.bool_from_string(c('false')))
self.assertFalse(strutils.bool_from_string(c('FALSE')))
self.assertFalse(strutils.bool_from_string(c('off')))
self.assertFalse(strutils.bool_from_string(c('OFF')))
self.assertFalse(strutils.bool_from_string(c('no')))
self.assertFalse(strutils.bool_from_string(c('0')))
self.assertFalse(strutils.bool_from_string(c('42')))
self.assertFalse(strutils.bool_from_string(c(
'This should not be True')))
self.assertFalse(strutils.bool_from_string(c('F')))
self.assertFalse(strutils.bool_from_string(c('f')))
self.assertFalse(strutils.bool_from_string(c('N')))
self.assertFalse(strutils.bool_from_string(c('n')))
# Whitespace should be stripped
self.assertTrue(strutils.bool_from_string(c(' 1 ')))
self.assertTrue(strutils.bool_from_string(c(' true ')))
self.assertFalse(strutils.bool_from_string(c(' 0 ')))
self.assertFalse(strutils.bool_from_string(c(' false ')))
def test_bool_from_string(self):
self._test_bool_from_string(lambda s: s)
def test_unicode_bool_from_string(self):
self._test_bool_from_string(six.text_type)
self.assertFalse(strutils.bool_from_string(u'使用', strict=False))
exc = self.assertRaises(ValueError, strutils.bool_from_string,
u'使用', strict=True)
expected_msg = (u"Unrecognized value '使用', acceptable values are:"
u" '0', '1', 'f', 'false', 'n', 'no', 'off', 'on',"
u" 't', 'true', 'y', 'yes'")
self.assertEqual(expected_msg, unicode(exc))
def test_other_bool_from_string(self):
self.assertFalse(strutils.bool_from_string(None))
self.assertFalse(strutils.bool_from_string(mock.Mock()))
def test_int_bool_from_string(self):
self.assertTrue(strutils.bool_from_string(1))
self.assertFalse(strutils.bool_from_string(-1))
self.assertFalse(strutils.bool_from_string(0))
self.assertFalse(strutils.bool_from_string(2))
def test_strict_bool_from_string(self):
# None isn't allowed in strict mode
exc = self.assertRaises(ValueError, strutils.bool_from_string, None,
strict=True)
expected_msg = ("Unrecognized value 'None', acceptable values are:"
" '0', '1', 'f', 'false', 'n', 'no', 'off', 'on',"
" 't', 'true', 'y', 'yes'")
self.assertEqual(expected_msg, str(exc))
# Unrecognized strings aren't allowed
self.assertFalse(strutils.bool_from_string('Other', strict=False))
exc = self.assertRaises(ValueError, strutils.bool_from_string, 'Other',
strict=True)
expected_msg = ("Unrecognized value 'Other', acceptable values are:"
" '0', '1', 'f', 'false', 'n', 'no', 'off', 'on',"
" 't', 'true', 'y', 'yes'")
self.assertEqual(expected_msg, str(exc))
# Unrecognized numbers aren't allowed
exc = self.assertRaises(ValueError, strutils.bool_from_string, 2,
strict=True)
expected_msg = ("Unrecognized value '2', acceptable values are:"
" '0', '1', 'f', 'false', 'n', 'no', 'off', 'on',"
" 't', 'true', 'y', 'yes'")
self.assertEqual(expected_msg, str(exc))
# False-like values are allowed
self.assertFalse(strutils.bool_from_string('f', strict=True))
self.assertFalse(strutils.bool_from_string('false', strict=True))
self.assertFalse(strutils.bool_from_string('off', strict=True))
self.assertFalse(strutils.bool_from_string('n', strict=True))
self.assertFalse(strutils.bool_from_string('no', strict=True))
self.assertFalse(strutils.bool_from_string('0', strict=True))
self.assertTrue(strutils.bool_from_string('1', strict=True))
# Avoid font-similarity issues (one looks like lowercase-el, zero like
# oh, etc...)
for char in ('O', 'o', 'L', 'l', 'I', 'i'):
self.assertRaises(ValueError, strutils.bool_from_string, char,
strict=True)
def test_int_from_bool_as_string(self):
self.assertEqual(1, strutils.int_from_bool_as_string(True))
self.assertEqual(0, strutils.int_from_bool_as_string(False))
def test_safe_decode(self):
safe_decode = strutils.safe_decode
self.assertRaises(TypeError, safe_decode, True)
self.assertEqual(six.u('ni\xf1o'), safe_decode("ni\xc3\xb1o",
incoming="utf-8"))
self.assertEqual(six.u("test"), safe_decode("dGVzdA==",
incoming='base64'))
self.assertEqual(six.u("strange"), safe_decode('\x80strange',
errors='ignore'))
self.assertEqual(six.u('\xc0'), safe_decode('\xc0',
incoming='iso-8859-1'))
# Forcing incoming to ascii so it falls back to utf-8
self.assertEqual(six.u('ni\xf1o'), safe_decode('ni\xc3\xb1o',
incoming='ascii'))
def test_safe_encode(self):
safe_encode = strutils.safe_encode
self.assertRaises(TypeError, safe_encode, True)
self.assertEqual("ni\xc3\xb1o", safe_encode(six.u('ni\xf1o'),
encoding="utf-8"))
self.assertEqual("dGVzdA==\n", safe_encode("test",
encoding='base64'))
self.assertEqual('ni\xf1o', safe_encode("ni\xc3\xb1o",
encoding="iso-8859-1",
incoming="utf-8"))
# Forcing incoming to ascii so it falls back to utf-8
self.assertEqual('ni\xc3\xb1o', safe_encode('ni\xc3\xb1o',
incoming='ascii'))
def test_string_conversions(self):
working_examples = {
'1024KB': 1048576,
'1024TB': 1125899906842624,
'1024K': 1048576,
'1024T': 1125899906842624,
'1TB': 1099511627776,
'1T': 1099511627776,
'1KB': 1024,
'1K': 1024,
'1B': 1,
'1': 1,
'1MB': 1048576,
'7MB': 7340032,
'0MB': 0,
'0KB': 0,
'0TB': 0,
'': 0,
}
for (in_value, expected_value) in working_examples.items():
b_value = strutils.to_bytes(in_value)
self.assertEquals(expected_value, b_value)
if in_value:
in_value = "-" + in_value
b_value = strutils.to_bytes(in_value)
self.assertEquals(expected_value * -1, b_value)
breaking_examples = [
'junk1KB', '1023BBBB',
]
for v in breaking_examples:
self.assertRaises(TypeError, strutils.to_bytes, v)
def test_slugify(self):
to_slug = strutils.to_slug
self.assertRaises(TypeError, to_slug, True)
self.assertEqual(six.u("hello"), to_slug("hello"))
self.assertEqual(six.u("two-words"), to_slug("Two Words"))
self.assertEqual(six.u("ma-any-spa-ce-es"),
to_slug("Ma-any\t spa--ce- es"))
self.assertEqual(six.u("excamation"), to_slug("exc!amation!"))
self.assertEqual(six.u("ampserand"), to_slug("&ser$and"))
self.assertEqual(six.u("ju5tnum8er"), to_slug("ju5tnum8er"))
self.assertEqual(six.u("strip-"), to_slug(" strip - "))
self.assertEqual(six.u("perche"), to_slug("perch\xc3\xa9"))
self.assertEqual(six.u("strange"),
to_slug("\x80strange", errors="ignore"))
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