Files
python-keystoneclient/keystoneclient/tests/test_session.py
Jamie Lennox b07fbb91c6 Handle URLs via the session and auth_plugins
In the future clients will simply pass the service they expect to talk
to and the path. This will prevent every service trying to get their own
base urls from the service catalog individually.

This can later be extended to have the auth plugin actually contact the
URL from the service catalog which will let us have unversioned
endpoints in the catalog handled from a single location.

Change-Id: I80f0b5b1dbb45565fec09d1cb2c0552cfb9a72f5
blueprint: auth-plugin-endpoints
2014-03-25 12:32:23 -05:00

378 lines
14 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 httpretty
import mock
import requests
import six
from keystoneclient.auth import base
from keystoneclient import exceptions
from keystoneclient import session as client_session
from keystoneclient.tests import utils
class SessionTests(utils.TestCase):
TEST_URL = 'http://127.0.0.1:5000/'
@httpretty.activate
def test_get(self):
session = client_session.Session()
self.stub_url(httpretty.GET, body='response')
resp = session.get(self.TEST_URL)
self.assertEqual(httpretty.GET, httpretty.last_request().method)
self.assertEqual(resp.text, 'response')
self.assertTrue(resp.ok)
@httpretty.activate
def test_post(self):
session = client_session.Session()
self.stub_url(httpretty.POST, body='response')
resp = session.post(self.TEST_URL, json={'hello': 'world'})
self.assertEqual(httpretty.POST, httpretty.last_request().method)
self.assertEqual(resp.text, 'response')
self.assertTrue(resp.ok)
self.assertRequestBodyIs(json={'hello': 'world'})
@httpretty.activate
def test_head(self):
session = client_session.Session()
self.stub_url(httpretty.HEAD)
resp = session.head(self.TEST_URL)
self.assertEqual(httpretty.HEAD, httpretty.last_request().method)
self.assertTrue(resp.ok)
self.assertRequestBodyIs('')
@httpretty.activate
def test_put(self):
session = client_session.Session()
self.stub_url(httpretty.PUT, body='response')
resp = session.put(self.TEST_URL, json={'hello': 'world'})
self.assertEqual(httpretty.PUT, httpretty.last_request().method)
self.assertEqual(resp.text, 'response')
self.assertTrue(resp.ok)
self.assertRequestBodyIs(json={'hello': 'world'})
@httpretty.activate
def test_delete(self):
session = client_session.Session()
self.stub_url(httpretty.DELETE, body='response')
resp = session.delete(self.TEST_URL)
self.assertEqual(httpretty.DELETE, httpretty.last_request().method)
self.assertTrue(resp.ok)
self.assertEqual(resp.text, 'response')
@httpretty.activate
def test_patch(self):
session = client_session.Session()
self.stub_url(httpretty.PATCH, body='response')
resp = session.patch(self.TEST_URL, json={'hello': 'world'})
self.assertEqual(httpretty.PATCH, httpretty.last_request().method)
self.assertTrue(resp.ok)
self.assertEqual(resp.text, 'response')
self.assertRequestBodyIs(json={'hello': 'world'})
@httpretty.activate
def test_user_agent(self):
session = client_session.Session(user_agent='test-agent')
self.stub_url(httpretty.GET, body='response')
resp = session.get(self.TEST_URL)
self.assertTrue(resp.ok)
self.assertRequestHeaderEqual('User-Agent', 'test-agent')
resp = session.get(self.TEST_URL, headers={'User-Agent': 'new-agent'})
self.assertTrue(resp.ok)
self.assertRequestHeaderEqual('User-Agent', 'new-agent')
resp = session.get(self.TEST_URL, headers={'User-Agent': 'new-agent'},
user_agent='overrides-agent')
self.assertTrue(resp.ok)
self.assertRequestHeaderEqual('User-Agent', 'overrides-agent')
@httpretty.activate
def test_http_session_opts(self):
session = client_session.Session(cert='cert.pem', timeout=5,
verify='certs')
FAKE_RESP = utils.TestResponse({'status_code': 200, 'text': 'resp'})
RESP = mock.Mock(return_value=FAKE_RESP)
with mock.patch.object(session.session, 'request', RESP) as mocked:
session.post(self.TEST_URL, data='value')
mock_args, mock_kwargs = mocked.call_args
self.assertEqual(mock_args[0], 'POST')
self.assertEqual(mock_args[1], self.TEST_URL)
self.assertEqual(mock_kwargs['data'], 'value')
self.assertEqual(mock_kwargs['cert'], 'cert.pem')
self.assertEqual(mock_kwargs['verify'], 'certs')
self.assertEqual(mock_kwargs['timeout'], 5)
@httpretty.activate
def test_not_found(self):
session = client_session.Session()
self.stub_url(httpretty.GET, status=404)
self.assertRaises(exceptions.NotFound, session.get, self.TEST_URL)
@httpretty.activate
def test_server_error(self):
session = client_session.Session()
self.stub_url(httpretty.GET, status=500)
self.assertRaises(exceptions.InternalServerError,
session.get, self.TEST_URL)
@httpretty.activate
def test_session_debug_output(self):
session = client_session.Session(verify=False)
headers = {'HEADERA': 'HEADERVALB'}
body = 'BODYRESPONSE'
data = 'BODYDATA'
self.stub_url(httpretty.POST, body=body)
session.post(self.TEST_URL, headers=headers, data=data)
self.assertIn('curl', self.logger.output)
self.assertIn('POST', self.logger.output)
self.assertIn('--insecure', self.logger.output)
self.assertIn(body, self.logger.output)
self.assertIn("'%s'" % data, self.logger.output)
for k, v in six.iteritems(headers):
self.assertIn(k, self.logger.output)
self.assertIn(v, self.logger.output)
class RedirectTests(utils.TestCase):
REDIRECT_CHAIN = ['http://myhost:3445/',
'http://anotherhost:6555/',
'http://thirdhost/',
'http://finaldestination:55/']
DEFAULT_REDIRECT_BODY = 'Redirect'
DEFAULT_RESP_BODY = 'Found'
def setup_redirects(self, method=httpretty.GET, status=305,
redirect_kwargs={}, final_kwargs={}):
redirect_kwargs.setdefault('body', self.DEFAULT_REDIRECT_BODY)
for s, d in zip(self.REDIRECT_CHAIN, self.REDIRECT_CHAIN[1:]):
httpretty.register_uri(method, s, status=status, location=d,
**redirect_kwargs)
final_kwargs.setdefault('status', 200)
final_kwargs.setdefault('body', self.DEFAULT_RESP_BODY)
httpretty.register_uri(method, self.REDIRECT_CHAIN[-1], **final_kwargs)
def assertResponse(self, resp):
self.assertEqual(resp.status_code, 200)
self.assertEqual(resp.text, self.DEFAULT_RESP_BODY)
@httpretty.activate
def test_basic_get(self):
session = client_session.Session()
self.setup_redirects()
resp = session.get(self.REDIRECT_CHAIN[-2])
self.assertResponse(resp)
@httpretty.activate
def test_basic_post_keeps_correct_method(self):
session = client_session.Session()
self.setup_redirects(method=httpretty.POST, status=301)
resp = session.post(self.REDIRECT_CHAIN[-2])
self.assertResponse(resp)
@httpretty.activate
def test_redirect_forever(self):
session = client_session.Session(redirect=True)
self.setup_redirects()
resp = session.get(self.REDIRECT_CHAIN[0])
self.assertResponse(resp)
self.assertTrue(len(resp.history), len(self.REDIRECT_CHAIN))
@httpretty.activate
def test_no_redirect(self):
session = client_session.Session(redirect=False)
self.setup_redirects()
resp = session.get(self.REDIRECT_CHAIN[0])
self.assertEqual(resp.status_code, 305)
self.assertEqual(resp.url, self.REDIRECT_CHAIN[0])
@httpretty.activate
def test_redirect_limit(self):
self.setup_redirects()
for i in (1, 2):
session = client_session.Session(redirect=i)
resp = session.get(self.REDIRECT_CHAIN[0])
self.assertEqual(resp.status_code, 305)
self.assertEqual(resp.url, self.REDIRECT_CHAIN[i])
self.assertEqual(resp.text, self.DEFAULT_REDIRECT_BODY)
@httpretty.activate
def test_history_matches_requests(self):
self.setup_redirects(status=301)
session = client_session.Session(redirect=True)
req_resp = requests.get(self.REDIRECT_CHAIN[0],
allow_redirects=True)
ses_resp = session.get(self.REDIRECT_CHAIN[0])
self.assertEqual(type(req_resp.history), type(ses_resp.history))
self.assertEqual(len(req_resp.history), len(ses_resp.history))
for r, s in zip(req_resp.history, ses_resp.history):
self.assertEqual(r.url, s.url)
self.assertEqual(r.status_code, s.status_code)
class ConstructSessionFromArgsTests(utils.TestCase):
KEY = 'keyfile'
CERT = 'certfile'
CACERT = 'cacert-path'
def _s(self, k=None, **kwargs):
k = k or kwargs
return client_session.Session.construct(k)
def test_verify(self):
self.assertFalse(self._s(insecure=True).verify)
self.assertTrue(self._s(verify=True, insecure=True).verify)
self.assertFalse(self._s(verify=False, insecure=True).verify)
self.assertEqual(self._s(cacert=self.CACERT).verify, self.CACERT)
def test_cert(self):
tup = (self.CERT, self.KEY)
self.assertEqual(self._s(cert=tup).cert, tup)
self.assertEqual(self._s(cert=self.CERT, key=self.KEY).cert, tup)
self.assertIsNone(self._s(key=self.KEY).cert)
def test_pass_through(self):
value = 42 # only a number because timeout needs to be
for key in ['timeout', 'session', 'original_ip', 'user_agent']:
args = {key: value}
self.assertEqual(getattr(self._s(args), key), value)
self.assertNotIn(key, args)
class AuthPlugin(base.BaseAuthPlugin):
"""Very simple debug authentication plugin.
Takes Parameters such that it can throw exceptions at the right times.
"""
TEST_TOKEN = 'aToken'
SERVICE_URLS = {
'identity': {'public': 'http://identity-public:1111/v2.0',
'admin': 'http://identity-admin:1111/v2.0'},
'compute': {'public': 'http://compute-public:2222/v1.0',
'admin': 'http://compute-admin:2222/v1.0'},
'image': {'public': 'http://image-public:3333/v2.0',
'admin': 'http://image-admin:3333/v2.0'}
}
def __init__(self, token=TEST_TOKEN):
self.token = token
def get_token(self, session):
return self.token
def get_endpoint(self, session, service_type=None, interface=None,
**kwargs):
try:
return self.SERVICE_URLS[service_type][interface]
except (KeyError, AttributeError):
return None
class SessionAuthTests(utils.TestCase):
TEST_URL = 'http://127.0.0.1:5000/'
TEST_JSON = {'hello': 'world'}
def stub_service_url(self, service_type, interface, path,
method=httpretty.GET, **kwargs):
base_url = AuthPlugin.SERVICE_URLS[service_type][interface]
uri = "%s/%s" % (base_url.rstrip('/'), path.lstrip('/'))
httpretty.register_uri(method, uri, **kwargs)
@httpretty.activate
def test_auth_plugin_default_with_plugin(self):
self.stub_url('GET', base_url=self.TEST_URL, json=self.TEST_JSON)
# if there is an auth_plugin then it should default to authenticated
auth = AuthPlugin()
sess = client_session.Session(auth=auth)
resp = sess.get(self.TEST_URL)
self.assertDictEqual(resp.json(), self.TEST_JSON)
self.assertRequestHeaderEqual('X-Auth-Token', AuthPlugin.TEST_TOKEN)
@httpretty.activate
def test_auth_plugin_disable(self):
self.stub_url('GET', base_url=self.TEST_URL, json=self.TEST_JSON)
auth = AuthPlugin()
sess = client_session.Session(auth=auth)
resp = sess.get(self.TEST_URL, authenticated=False)
self.assertDictEqual(resp.json(), self.TEST_JSON)
self.assertRequestHeaderEqual('X-Auth-Token', None)
@httpretty.activate
def test_service_type_urls(self):
service_type = 'compute'
interface = 'public'
path = '/instances'
status = 200
body = 'SUCCESS'
self.stub_service_url(service_type=service_type,
interface=interface,
path=path,
status=status,
body=body)
sess = client_session.Session(auth=AuthPlugin())
resp = sess.get(path,
endpoint_filter={'service_type': service_type,
'interface': interface})
self.assertEqual(httpretty.last_request().path, '/v1.0/instances')
self.assertEqual(resp.text, body)
self.assertEqual(resp.status_code, status)
def test_service_url_raises_if_no_auth_plugin(self):
sess = client_session.Session()
self.assertRaises(exceptions.MissingAuthPlugin,
sess.get, '/path',
endpoint_filter={'service_type': 'compute',
'interface': 'public'})
def test_service_url_raises_if_no_url_returned(self):
sess = client_session.Session(auth=AuthPlugin())
self.assertRaises(exceptions.EndpointNotFound,
sess.get, '/path',
endpoint_filter={'service_type': 'unknown',
'interface': 'public'})