python-glanceclient/tests/utils.py

123 lines
3.6 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 copy
import requests
import six
import testtools
from glanceclient.common import http
class FakeAPI(object):
def __init__(self, fixtures):
self.fixtures = fixtures
self.calls = []
def _request(self, method, url, headers=None, body=None,
content_length=None):
call = (method, url, headers or {}, body)
if content_length is not None:
call = tuple(list(call) + [content_length])
self.calls.append(call)
return self.fixtures[url][method]
def raw_request(self, *args, **kwargs):
fixture = self._request(*args, **kwargs)
resp = FakeResponse(fixture[0], six.StringIO(fixture[1]))
body_iter = http.ResponseBodyIterator(resp)
return resp, body_iter
def json_request(self, *args, **kwargs):
fixture = self._request(*args, **kwargs)
return FakeResponse(fixture[0]), fixture[1]
class FakeResponse(object):
def __init__(self, headers, body=None,
version=1.0, status=200, reason="Ok"):
"""
:param headers: dict representing HTTP response headers
:param body: file-like object
:param version: HTTP Version
:param status: Response status code
:param reason: Status code related message.
"""
self.body = body
self.status = status
self.reason = reason
self.version = version
self.headers = headers
def getheaders(self):
return copy.deepcopy(self.headers).items()
def getheader(self, key, default):
return self.headers.get(key, default)
def read(self, amt):
return self.body.read(amt)
class TestCase(testtools.TestCase):
TEST_REQUEST_BASE = {
'config': {'danger_mode': False},
'verify': True}
class TestResponse(requests.Response):
"""
Class used to wrap requests.Response and provide some
convenience to initialize with a dict
"""
def __init__(self, data):
self._text = None
super(TestResponse, self)
if isinstance(data, dict):
self.status_code = data.get('status_code', None)
self.headers = data.get('headers', None)
# Fake the text attribute to streamline Response creation
self._text = data.get('text', None)
else:
self.status_code = data
def __eq__(self, other):
return self.__dict__ == other.__dict__
@property
def text(self):
return self._text
class FakeTTYStdout(six.StringIO):
"""A Fake stdout that try to emulate a TTY device as much as possible."""
def isatty(self):
return True
def write(self, data):
# When a CR (carriage return) is found reset file.
if data.startswith('\r'):
self.seek(0)
data = data[1:]
return six.StringIO.write(self, data)
class FakeNoTTYStdout(FakeTTYStdout):
"""A Fake stdout that is not a TTY device."""
def isatty(self):
return False