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# 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 json
import six
import testtools
from glanceclient.v2.schemas import Schema
class FakeAPI(object):
def __init__(self, fixtures):
self.fixtures = fixtures
self.calls = []
def _request(self, method, url, headers=None, data=None,
content_length=None):
call = (method, url, headers or {}, data)
if content_length is not None:
call = tuple(list(call) + [content_length])
self.calls.append(call)
fixture = self.fixtures[url][method]
data = fixture[1]
if isinstance(fixture[1], six.string_types):
try:
data = json.loads(fixture[1])
except ValueError:
data = six.StringIO(fixture[1])
return FakeResponse(fixture[0], fixture[1]), data
def get(self, *args, **kwargs):
return self._request('GET', *args, **kwargs)
def post(self, *args, **kwargs):
return self._request('POST', *args, **kwargs)
def put(self, *args, **kwargs):
return self._request('PUT', *args, **kwargs)
def patch(self, *args, **kwargs):
return self._request('PATCH', *args, **kwargs)
def delete(self, *args, **kwargs):
return self._request('DELETE', *args, **kwargs)
def head(self, *args, **kwargs):
return self._request('HEAD', *args, **kwargs)
class FakeSchemaAPI(FakeAPI):
def __init__(cls, *args):
super(FakeSchemaAPI, cls).__init__(*args)
def get(self, *args, **kwargs):
_, raw_schema = self._request('GET', *args, **kwargs)
return Schema(raw_schema)
class RawRequest(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 FakeResponse(object):
def __init__(self, headers=None, body=None,
version=1.0, status_code=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.reason = reason
self.version = version
self.headers = headers
self.status_code = status_code
self.raw = RawRequest(headers, body=body, reason=reason,
version=version, status=status_code)
@property
def ok(self):
return (self.status_code < 400 or
self.status_code >= 600)
def read(self, amt):
return self.body.read(amt)
@property
def content(self):
if hasattr(self.body, "read"):
return self.body.read()
return self.body
def json(self, **kwargs):
return self.body and json.loads(self.content) or ""
def iter_content(self, chunk_size=1, decode_unicode=False):
while True:
chunk = self.raw.read(chunk_size)
if not chunk:
break
yield chunk
class TestCase(testtools.TestCase):
TEST_REQUEST_BASE = {
'config': {'danger_mode': False},
'verify': True}
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
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