Source code for watcherclient.tests.utils

# 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 os

import fixtures
import mock
from oslo_utils import strutils
import six
import testtools


[docs]class BaseTestCase(testtools.TestCase):
[docs] 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))
[docs]class FakeAPI(object): def __init__(self, responses): self.responses = responses self.calls = [] def _request(self, method, url, headers=None, body=None): call = (method, url, headers or {}, body) self.calls.append(call) return self.responses[url][method]
[docs] def raw_request(self, *args, **kwargs): response = self._request(*args, **kwargs) body_iter = iter(six.StringIO(response[1])) return FakeResponse(response[0]), body_iter
[docs] def json_request(self, *args, **kwargs): response = self._request(*args, **kwargs) return FakeResponse(response[0]), response[1]
[docs]class FakeConnection(object): def __init__(self, response=None): self._response = response self._last_request = None
[docs] def request(self, method, conn_url, **kwargs): self._last_request = (method, conn_url, kwargs)
[docs] def setresponse(self, response): self._response = response
[docs] def getresponse(self): return self._response
def __repr__(self): return ("FakeConnection(response=%s)" % (self._response))
[docs]class FakeResponse(object): def __init__(self, headers, body=None, version=None, status=None, reason=None): """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
[docs] def getheaders(self): return copy.deepcopy(self.headers).items()
[docs] def getheader(self, key, default): return self.headers.get(key, default)
[docs] def read(self, amt): return self.body.read(amt)
def __repr__(self): return ("FakeResponse(%s, body=%s, version=%s, status=%s, reason=%s)" % (self.headers, self.body, self.version, self.status, self.reason))
[docs]class FakeSessionResponse(object): def __init__(self, headers, content=None, status_code=None, version=None): self.headers = headers self.content = content self.status_code = status_code self.raw = mock.Mock() self.raw.version = version self.reason = ''
[docs] def iter_content(self, chunk_size): return iter(self.content)
[docs]class FakeSession(object): def __init__(self, headers, content=None, status_code=None, version=None): self.headers = headers self.content = content self.status_code = status_code self.version = version self.verify = False self.cert = ('test_cert', 'test_key')
[docs] def request(self, url, method, **kwargs): request = FakeSessionResponse( self.headers, self.content, self.status_code, self.version) return request