python-glanceclient/tests/test_utils.py

129 lines
4.9 KiB
Python

# Copyright 2012 OpenStack LLC.
# 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 errno
import testtools
import sys
import StringIO
from glanceclient.common import utils
class TestUtils(testtools.TestCase):
def test_integrity_iter_without_checksum(self):
try:
data = ''.join([f for f in utils.integrity_iter('A', None)])
self.fail('integrity checked passed without checksum.')
except IOError as e:
self.assertEqual(errno.EPIPE, e.errno)
msg = 'was 7fc56270e7a70fa81a5935b72eacbe29 expected None'
self.assertTrue(msg in str(e))
def test_integrity_iter_with_wrong_checksum(self):
try:
data = ''.join([f for f in utils.integrity_iter('BB', 'wrong')])
self.fail('integrity checked passed with wrong checksum')
except IOError as e:
self.assertEqual(errno.EPIPE, e.errno)
msg = 'was 9d3d9048db16a7eee539e93e3618cbe7 expected wrong'
self.assertTrue('expected wrong' in str(e))
def test_integrity_iter_with_checksum(self):
fixture = 'CCC'
checksum = 'defb99e69a9f1f6e06f15006b1f166ae'
data = ''.join([f for f in utils.integrity_iter(fixture, checksum)])
def test_make_size_human_readable(self):
self.assertEqual("106B", utils.make_size_human_readable(106))
self.assertEqual("1000kB", utils.make_size_human_readable(1024000))
self.assertEqual("1MB", utils.make_size_human_readable(1048576))
self.assertEqual("1.4GB", utils.make_size_human_readable(1476395008))
self.assertEqual("9.3MB", utils.make_size_human_readable(9761280))
def test_ensure_unicode(self):
ensure_unicode = utils.ensure_unicode
self.assertEqual(u'True', ensure_unicode(True))
self.assertEqual(u'ni\xf1o', ensure_unicode("ni\xc3\xb1o",
incoming="utf-8"))
self.assertEqual(u"test", ensure_unicode("dGVzdA==",
incoming='base64'))
self.assertEqual(u"strange", ensure_unicode('\x80strange',
errors='ignore'))
self.assertEqual(u'\xc0', ensure_unicode('\xc0',
incoming='iso-8859-1'))
# Forcing incoming to ascii so it falls back to utf-8
self.assertEqual(u'ni\xf1o', ensure_unicode('ni\xc3\xb1o',
incoming='ascii'))
def test_prettytable(self):
class Struct:
def __init__(self, **entries):
self.__dict__.update(entries)
# test that the prettytable output is wellformatted (left-aligned)
columns = ['ID', 'Name']
val = ['Name1', 'another', 'veeeery long']
images = [Struct(**{'id': i ** 16, 'name': val[i]})
for i in range(len(val))]
saved_stdout = sys.stdout
try:
sys.stdout = output_list = StringIO.StringIO()
utils.print_list(images, columns)
sys.stdout = output_dict = StringIO.StringIO()
utils.print_dict({'K': 'k', 'Key': 'Value'})
finally:
sys.stdout = saved_stdout
self.assertEqual(output_list.getvalue(), '''\
+-------+--------------+
| ID | Name |
+-------+--------------+
| | Name1 |
| 1 | another |
| 65536 | veeeery long |
+-------+--------------+
''')
self.assertEqual(output_dict.getvalue(), '''\
+----------+-------+
| Property | Value |
+----------+-------+
| K | k |
| Key | Value |
+----------+-------+
''')
def test_ensure_str(self):
ensure_str = utils.ensure_str
self.assertEqual("True", ensure_str(True))
self.assertEqual("ni\xc3\xb1o", ensure_str(u'ni\xf1o',
encoding="utf-8"))
self.assertEqual("dGVzdA==\n", ensure_str("test",
encoding='base64'))
self.assertEqual('ni\xf1o', ensure_str("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', ensure_str('ni\xc3\xb1o',
incoming='ascii'))