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# 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 copy
import io
import os
from unittest import mock
import fixtures
from oslo_utils import strutils
import requests
import testtools
class BaseTestCase(testtools.TestCase):
def setUp(self):
super(BaseTestCase, self).setUp()
self.useFixture(fixtures.FakeLogger())
# If enabled, stdout and/or stderr is captured and will appear in
# test results if that test fails.
if strutils.bool_from_string(os.environ.get('OS_STDOUT_CAPTURE')):
stdout = self.useFixture(fixtures.StringStream('stdout')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stdout', stdout))
if strutils.bool_from_string(os.environ.get('OS_STDERR_CAPTURE')):
stderr = self.useFixture(fixtures.StringStream('stderr')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
class FakeAPI(object):
def __init__(self, responses, path_prefix=None):
self.responses = responses
self.calls = []
self.path_prefix = path_prefix or ''
self.endpoint_trimmed = 'http://127.0.0.1:6385' + self.path_prefix
def _request(self, method, url, headers=None, body=None, params=None):
# url should always just be a path here, e.g. /v1/nodes
url = self.path_prefix + url
call = (method, url, headers or {}, body)
if params:
call += (params,)
self.calls.append(call)
return self.responses[url][method]
def raw_request(self, *args, **kwargs):
response = self._request(*args, **kwargs)
body_iter = iter(io.StringIO(response[1]))
return FakeResponse(response[0]), body_iter
def json_request(self, *args, **kwargs):
response = self._request(*args, **kwargs)
return FakeResponse(response[0]), response[1]
class FakeConnection(object):
def __init__(self, response=None, path_prefix=None):
self._response = response
self._last_request = None
def request(self, method, conn_url, **kwargs):
self._last_request = (method, conn_url, kwargs)
def setresponse(self, response):
self._response = response
def getresponse(self):
return self._response
def __repr__(self):
return ("FakeConnection(response=%s)" % (self._response))
class FakeResponse(object):
def __init__(self, headers, body=None, version=None, status=None,
reason=None, request_headers={}):
"""Fake object to help testing.
:param headers: dict representing HTTP response headers
:param body: file-like object
"""
self.headers = headers
self.body = body
self.raw = mock.Mock()
self.raw.version = version
self.status_code = status
self.reason = reason
self.request = mock.Mock()
self.request.headers = request_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)
def __repr__(self):
return ("FakeResponse(%s, body=%s, version=%s, status=%s, reason=%s, "
"request_headers=%s)" %
(self.headers, self.body, self.raw.version, self.status_code,
self.reason, self.request.headers))
def mockSessionResponse(headers, content=None, status_code=None, version=None,
request_headers={}):
raw = mock.Mock()
raw.version = version
request = mock.Mock()
request.headers = request_headers
response = mock.Mock(spec=requests.Response,
headers=headers,
content=content,
status_code=status_code,
raw=raw,
reason='',
encoding='UTF-8',
request=request)
response.text = content
return response
def mockSession(headers, content=None, status_code=None, version=None):
session = mock.Mock(spec=requests.Session,
verify=False,
cert=('test_cert', 'test_key'))
session.get_endpoint = mock.Mock(return_value='https://test')
response = mockSessionResponse(headers, content, status_code, version)
session.request = mock.Mock(return_value=response)
return session
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