3deef1a454
The called_once function was added to the Matcher and the Adapter but not the top level Mocker function. Change-Id: I4daa839d931b44fa69133ace663d41c84796b4ba Closes-Bug: #1630159
233 lines
7.0 KiB
Python
233 lines
7.0 KiB
Python
# 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 functools
|
|
|
|
import requests
|
|
|
|
from requests_mock import adapter
|
|
from requests_mock import exceptions
|
|
|
|
DELETE = 'DELETE'
|
|
GET = 'GET'
|
|
HEAD = 'HEAD'
|
|
OPTIONS = 'OPTIONS'
|
|
PATCH = 'PATCH'
|
|
POST = 'POST'
|
|
PUT = 'PUT'
|
|
|
|
|
|
class MockerCore(object):
|
|
"""A wrapper around common mocking functions.
|
|
|
|
Automate the process of mocking the requests library. This will keep the
|
|
same general options available and prevent repeating code.
|
|
"""
|
|
|
|
_PROXY_FUNCS = set(['last_request',
|
|
'add_matcher',
|
|
'request_history',
|
|
'called',
|
|
'called_once',
|
|
'call_count'])
|
|
|
|
case_sensitive = False
|
|
"""case_sensitive handles a backwards incompatible bug. The URL used to
|
|
match against our matches and that is saved in request_history is always
|
|
lowercased. This is incorrect as it reports incorrect history to the user
|
|
and doesn't allow case sensitive path matching.
|
|
|
|
Unfortunately fixing this change is backwards incompatible in the 1.X
|
|
series as people may rely on this behaviour. To work around this you can
|
|
globally set:
|
|
|
|
requests_mock.mock.case_sensitive = True
|
|
|
|
which will prevent the lowercase being executed and return case sensitive
|
|
url and query information.
|
|
|
|
This will become the default in a 2.X release. See bug: #1584008.
|
|
"""
|
|
|
|
def __init__(self, **kwargs):
|
|
case_sensitive = kwargs.pop('case_sensitive', self.case_sensitive)
|
|
self._adapter = adapter.Adapter(case_sensitive=case_sensitive)
|
|
|
|
self._real_http = kwargs.pop('real_http', False)
|
|
self._real_send = None
|
|
|
|
if kwargs:
|
|
raise TypeError('Unexpected Arguments: %s' % ', '.join(kwargs))
|
|
|
|
def start(self):
|
|
"""Start mocking requests.
|
|
|
|
Install the adapter and the wrappers required to intercept requests.
|
|
"""
|
|
if self._real_send:
|
|
raise RuntimeError('Mocker has already been started')
|
|
|
|
self._real_send = requests.Session.send
|
|
|
|
def _fake_get_adapter(session, url):
|
|
return self._adapter
|
|
|
|
def _fake_send(session, request, **kwargs):
|
|
real_get_adapter = requests.Session.get_adapter
|
|
requests.Session.get_adapter = _fake_get_adapter
|
|
|
|
try:
|
|
return self._real_send(session, request, **kwargs)
|
|
except exceptions.NoMockAddress:
|
|
if not self._real_http:
|
|
raise
|
|
except adapter._RunRealHTTP:
|
|
# this mocker wants you to run the request through the real
|
|
# requests library rather than the mocking. Let it.
|
|
pass
|
|
finally:
|
|
requests.Session.get_adapter = real_get_adapter
|
|
|
|
return self._real_send(session, request, **kwargs)
|
|
|
|
requests.Session.send = _fake_send
|
|
|
|
def stop(self):
|
|
"""Stop mocking requests.
|
|
|
|
This should have no impact if mocking has not been started.
|
|
"""
|
|
if self._real_send:
|
|
requests.Session.send = self._real_send
|
|
self._real_send = None
|
|
|
|
def __getattr__(self, name):
|
|
if name in self._PROXY_FUNCS:
|
|
try:
|
|
return getattr(self._adapter, name)
|
|
except AttributeError:
|
|
pass
|
|
|
|
raise AttributeError(name)
|
|
|
|
def register_uri(self, *args, **kwargs):
|
|
# you can pass real_http here, but it's private to pass direct to the
|
|
# adapter, because if you pass direct to the adapter you'll see the exc
|
|
kwargs['_real_http'] = kwargs.pop('real_http', False)
|
|
return self._adapter.register_uri(*args, **kwargs)
|
|
|
|
def request(self, *args, **kwargs):
|
|
return self.register_uri(*args, **kwargs)
|
|
|
|
def get(self, *args, **kwargs):
|
|
return self.request(GET, *args, **kwargs)
|
|
|
|
def options(self, *args, **kwargs):
|
|
return self.request(OPTIONS, *args, **kwargs)
|
|
|
|
def head(self, *args, **kwargs):
|
|
return self.request(HEAD, *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)
|
|
|
|
|
|
class Mocker(MockerCore):
|
|
"""The standard entry point for mock Adapter loading.
|
|
"""
|
|
|
|
#: Defines with what should method name begin to be patched
|
|
TEST_PREFIX = 'test'
|
|
|
|
def __init__(self, **kwargs):
|
|
"""Create a new mocker adapter.
|
|
|
|
:param str kw: Pass the mock object through to the decorated function
|
|
as this named keyword argument, rather than a positional argument.
|
|
:param bool real_http: True to send the request to the real requested
|
|
uri if there is not a mock installed for it. Defaults to False.
|
|
"""
|
|
self._kw = kwargs.pop('kw', None)
|
|
super(Mocker, self).__init__(**kwargs)
|
|
|
|
def __enter__(self):
|
|
self.start()
|
|
return self
|
|
|
|
def __exit__(self, type, value, traceback):
|
|
self.stop()
|
|
|
|
def __call__(self, obj):
|
|
if isinstance(obj, type):
|
|
return self.decorate_class(obj)
|
|
|
|
return self.decorate_callable(obj)
|
|
|
|
def copy(self):
|
|
"""Returns an exact copy of current mock
|
|
"""
|
|
m = Mocker(
|
|
kw=self._kw,
|
|
real_http=self._real_http
|
|
)
|
|
return m
|
|
|
|
def decorate_callable(self, func):
|
|
"""Decorates a callable
|
|
|
|
:param callable func: callable to decorate
|
|
"""
|
|
@functools.wraps(func)
|
|
def inner(*args, **kwargs):
|
|
with self as m:
|
|
if self._kw:
|
|
kwargs[self._kw] = m
|
|
else:
|
|
args = list(args)
|
|
args.append(m)
|
|
|
|
return func(*args, **kwargs)
|
|
|
|
return inner
|
|
|
|
def decorate_class(self, klass):
|
|
"""Decorates methods in a class with request_mock
|
|
|
|
Method will be decorated only if it name begins with `TEST_PREFIX`
|
|
|
|
:param object klass: class which methods will be decorated
|
|
"""
|
|
for attr_name in dir(klass):
|
|
if not attr_name.startswith(self.TEST_PREFIX):
|
|
continue
|
|
|
|
attr = getattr(klass, attr_name)
|
|
if not hasattr(attr, '__call__'):
|
|
continue
|
|
|
|
m = self.copy()
|
|
setattr(klass, attr_name, m(attr))
|
|
|
|
return klass
|
|
|
|
|
|
mock = Mocker
|