python-glanceclient/glanceclient/tests/unit/test_utils.py

267 lines
9.7 KiB
Python

# Copyright 2012 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 sys
import mock
from oslo_utils import encodeutils
from requests import Response
import six
# NOTE(jokke): simplified transition to py3, behaves like py2 xrange
from six.moves import range
import testtools
from glanceclient.common import utils
REQUEST_ID = 'req-1234'
def create_response_obj_with_req_id(req_id):
resp = Response()
resp.headers['x-openstack-request-id'] = req_id
return resp
class TestUtils(testtools.TestCase):
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))
self.assertEqual("0B", utils.make_size_human_readable(None))
def test_get_new_file_size(self):
size = 98304
file_obj = six.StringIO('X' * size)
try:
self.assertEqual(size, utils.get_file_size(file_obj))
# Check that get_file_size didn't change original file position.
self.assertEqual(0, file_obj.tell())
finally:
file_obj.close()
def test_get_consumed_file_size(self):
size, consumed = 98304, 304
file_obj = six.StringIO('X' * size)
file_obj.seek(consumed)
try:
self.assertEqual(size, utils.get_file_size(file_obj))
# Check that get_file_size didn't change original file position.
self.assertEqual(consumed, file_obj.tell())
finally:
file_obj.close()
def test_prettytable(self):
class Struct(object):
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 = six.StringIO()
utils.print_list(images, columns)
sys.stdout = output_dict = six.StringIO()
utils.print_dict({'K': 'k', 'Key': 'veeeeeeeeeeeeeeeeeeeeeeee'
'eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
'eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
'eeeeeeeeeeeery long value'},
max_column_width=60)
finally:
sys.stdout = saved_stdout
self.assertEqual('''\
+-------+--------------+
| ID | Name |
+-------+--------------+
| | Name1 |
| 1 | another |
| 65536 | veeeery long |
+-------+--------------+
''',
output_list.getvalue())
self.assertEqual('''\
+----------+--------------------------------------------------------------+
| Property | Value |
+----------+--------------------------------------------------------------+
| K | k |
| Key | veeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee |
| | eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee |
| | ery long value |
+----------+--------------------------------------------------------------+
''',
output_dict.getvalue())
def test_print_list_with_list_no_unicode(self):
class Struct(object):
def __init__(self, **entries):
self.__dict__.update(entries)
# test for removing 'u' from lists in print_list output
columns = ['ID', 'Tags']
images = [Struct(**{'id': 'b8e1c57e-907a-4239-aed8-0df8e54b8d2d',
'tags': [u'Name1', u'Tag_123', u'veeeery long']})]
saved_stdout = sys.stdout
try:
sys.stdout = output_list = six.StringIO()
utils.print_list(images, columns)
finally:
sys.stdout = saved_stdout
self.assertEqual('''\
+--------------------------------------+--------------------------------------+
| ID | Tags |
+--------------------------------------+--------------------------------------+
| b8e1c57e-907a-4239-aed8-0df8e54b8d2d | ['Name1', 'Tag_123', 'veeeery long'] |
+--------------------------------------+--------------------------------------+
''',
output_list.getvalue())
def test_unicode_key_value_to_string(self):
src = {u'key': u'\u70fd\u7231\u5a77'}
expected = {'key': '\xe7\x83\xbd\xe7\x88\xb1\xe5\xa9\xb7'}
if six.PY2:
self.assertEqual(expected, utils.unicode_key_value_to_string(src))
else:
# u'xxxx' in PY3 is str, we will not get extra 'u' from cli
# output in PY3
self.assertEqual(src, utils.unicode_key_value_to_string(src))
def test_schema_args_with_list_types(self):
# NOTE(flaper87): Regression for bug
# https://bugs.launchpad.net/python-glanceclient/+bug/1401032
def schema_getter(_type='string', enum=False):
prop = {
'type': ['null', _type],
'readOnly': True,
'description': 'Test schema',
}
if enum:
prop['enum'] = [None, 'opt-1', 'opt-2']
def actual_getter():
return {
'additionalProperties': False,
'required': ['name'],
'name': 'test_schema',
'properties': {
'test': prop,
}
}
return actual_getter
def dummy_func():
pass
decorated = utils.schema_args(schema_getter())(dummy_func)
arg, opts = decorated.__dict__['arguments'][0]
self.assertIn('--test', arg)
self.assertEqual(encodeutils.safe_decode, opts['type'])
decorated = utils.schema_args(schema_getter('integer'))(dummy_func)
arg, opts = decorated.__dict__['arguments'][0]
self.assertIn('--test', arg)
self.assertEqual(int, opts['type'])
decorated = utils.schema_args(schema_getter(enum=True))(dummy_func)
arg, opts = decorated.__dict__['arguments'][0]
self.assertIn('--test', arg)
self.assertEqual(encodeutils.safe_decode, opts['type'])
self.assertIn('None, opt-1, opt-2', opts['help'])
def test_iterable_closes(self):
# Regression test for bug 1461678.
def _iterate(i):
for chunk in i:
raise(IOError)
data = six.moves.StringIO('somestring')
data.close = mock.Mock()
i = utils.IterableWithLength(data, 10)
self.assertRaises(IOError, _iterate, i)
data.close.assert_called_with()
def test_safe_header(self):
self.assertEqual(('somekey', 'somevalue'),
utils.safe_header('somekey', 'somevalue'))
self.assertEqual(('somekey', None),
utils.safe_header('somekey', None))
for sensitive_header in utils.SENSITIVE_HEADERS:
(name, value) = utils.safe_header(
sensitive_header,
encodeutils.safe_encode('somestring'))
self.assertEqual(sensitive_header, name)
self.assertTrue(value.startswith("{SHA1}"))
(name, value) = utils.safe_header(sensitive_header, None)
self.assertEqual(sensitive_header, name)
self.assertIsNone(value)
def test_generator_proxy(self):
def _test_decorator():
i = 1
resp = create_response_obj_with_req_id(REQUEST_ID)
while True:
yield i, resp
i += 1
gen_obj = _test_decorator()
proxy = utils.GeneratorProxy(gen_obj)
# Proxy object should succeed in behaving as the
# wrapped object
self.assertIsInstance(proxy, type(gen_obj))
# Initially request_ids should be empty
self.assertEqual([], proxy.request_ids)
# Only after we have started iterating we should
# see non-empty `request_ids` property
proxy.next()
self.assertEqual([REQUEST_ID], proxy.request_ids)
# Even after multiple iterations `request_ids` property
# should only contain one request id
proxy.next()
proxy.next()
self.assertEqual(1, len(proxy.request_ids))
def test_request_id_proxy(self):
def test_data(val):
resp = create_response_obj_with_req_id(REQUEST_ID)
return val, resp
# Object of any type except decorator can be passed to test_data
proxy = utils.RequestIdProxy(test_data(11))
# Verify that proxy object has a property `request_ids` and it is
# a list of one request id
self.assertEqual([REQUEST_ID], proxy.request_ids)