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# Copyright 2015 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.
from http import client as http_client
from io import StringIO
from unittest import mock
from oslo_serialization import jsonutils
from zunclient import api_versions
from zunclient.common.apiclient import exceptions
from zunclient.common import httpclient as http
from zunclient import exceptions as exc
from zunclient.tests.unit import utils
def _get_error_body(faultstring=None, debuginfo=None):
error_body = {
'faultstring': faultstring,
'debuginfo': debuginfo
}
raw_error_body = jsonutils.dumps(error_body)
body = {'error_message': raw_error_body}
raw_body = jsonutils.dumps(body)
return raw_body
HTTP_CLASS = http_client.HTTPConnection
HTTPS_CLASS = http.VerifiedHTTPSConnection
DEFAULT_TIMEOUT = 600
class HttpClientTest(utils.BaseTestCase):
def test_url_generation_trailing_slash_in_base(self):
client = http.HTTPClient('http://localhost/')
url = client._make_connection_url('/v1/resources')
self.assertEqual('/v1/resources', url)
def test_url_generation_without_trailing_slash_in_base(self):
client = http.HTTPClient('http://localhost')
url = client._make_connection_url('/v1/resources')
self.assertEqual('/v1/resources', url)
def test_url_generation_prefix_slash_in_path(self):
client = http.HTTPClient('http://localhost/')
url = client._make_connection_url('/v1/resources')
self.assertEqual('/v1/resources', url)
def test_url_generation_without_prefix_slash_in_path(self):
client = http.HTTPClient('http://localhost')
url = client._make_connection_url('v1/resources')
self.assertEqual('/v1/resources', url)
def test_server_exception_empty_body(self):
error_body = _get_error_body()
fake_resp = utils.FakeResponse({'content-type': 'application/json'},
StringIO(error_body),
version=1,
status=500)
client = http.HTTPClient(
'http://localhost/',
api_version=api_versions.APIVersion('1.latest'))
client.get_connection = (
lambda *a, **kw: utils.FakeConnection(fake_resp))
error = self.assertRaises(exc.InternalServerError,
client.json_request,
'GET', '/v1/resources')
self.assertEqual('Internal Server Error (HTTP 500)', str(error))
def test_server_exception_msg_only(self):
error_msg = 'test error msg'
error_body = _get_error_body(error_msg)
fake_resp = utils.FakeResponse({'content-type': 'application/json'},
StringIO(error_body),
version=1,
status=500)
client = http.HTTPClient(
'http://localhost/',
api_version=api_versions.APIVersion('1.latest'))
client.get_connection = (
lambda *a, **kw: utils.FakeConnection(fake_resp))
error = self.assertRaises(exc.InternalServerError,
client.json_request,
'GET', '/v1/resources')
self.assertEqual(error_msg + ' (HTTP 500)', str(error))
def test_server_exception_msg_and_traceback(self):
error_msg = 'another test error'
error_trace = ("\"Traceback (most recent call last):\\n\\n "
"File \\\"/usr/local/lib/python2.7/...")
error_body = _get_error_body(error_msg, error_trace)
fake_resp = utils.FakeResponse({'content-type': 'application/json'},
StringIO(error_body),
version=1,
status=500)
client = http.HTTPClient(
'http://localhost/',
api_version=api_versions.APIVersion('1.latest'))
client.get_connection = (
lambda *a, **kw: utils.FakeConnection(fake_resp))
error = self.assertRaises(exc.InternalServerError,
client.json_request,
'GET', '/v1/resources')
self.assertEqual(
'%(error)s (HTTP 500)\n%(trace)s' % {'error': error_msg,
'trace': error_trace},
"%(error)s\n%(details)s" % {'error': str(error),
'details': str(error.details)})
def test_get_connection_params(self):
endpoint = 'http://zun-host:6385'
expected = (HTTP_CLASS,
('zun-host', 6385, ''),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_trailing_slash(self):
endpoint = 'http://zun-host:6385/'
expected = (HTTP_CLASS,
('zun-host', 6385, ''),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_ssl(self):
endpoint = 'https://zun-host:6385'
expected = (HTTPS_CLASS,
('zun-host', 6385, ''),
{
'timeout': DEFAULT_TIMEOUT,
'ca_file': None,
'cert_file': None,
'key_file': None,
'insecure': False,
})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_ssl_params(self):
endpoint = 'https://zun-host:6385'
ssl_args = {
'ca_file': '/path/to/ca_file',
'cert_file': '/path/to/cert_file',
'key_file': '/path/to/key_file',
'insecure': True,
}
expected_kwargs = {'timeout': DEFAULT_TIMEOUT}
expected_kwargs.update(ssl_args)
expected = (HTTPS_CLASS,
('zun-host', 6385, ''),
expected_kwargs)
params = http.HTTPClient.get_connection_params(endpoint, **ssl_args)
self.assertEqual(expected, params)
def test_get_connection_params_with_timeout(self):
endpoint = 'http://zun-host:6385'
expected = (HTTP_CLASS,
('zun-host', 6385, ''),
{'timeout': 300.0})
params = http.HTTPClient.get_connection_params(endpoint, timeout=300)
self.assertEqual(expected, params)
def test_get_connection_params_with_version(self):
endpoint = 'http://zun-host:6385/v1'
expected = (HTTP_CLASS,
('zun-host', 6385, ''),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_version_trailing_slash(self):
endpoint = 'http://zun-host:6385/v1/'
expected = (HTTP_CLASS,
('zun-host', 6385, ''),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_subpath(self):
endpoint = 'http://zun-host:6385/zun'
expected = (HTTP_CLASS,
('zun-host', 6385, '/zun'),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_subpath_trailing_slash(self):
endpoint = 'http://zun-host:6385/zun/'
expected = (HTTP_CLASS,
('zun-host', 6385, '/zun'),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_subpath_version(self):
endpoint = 'http://zun-host:6385/zun/v1'
expected = (HTTP_CLASS,
('zun-host', 6385, '/zun'),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_get_connection_params_with_subpath_version_trailing_slash(self):
endpoint = 'http://zun-host:6385/zun/v1/'
expected = (HTTP_CLASS,
('zun-host', 6385, '/zun'),
{'timeout': DEFAULT_TIMEOUT})
params = http.HTTPClient.get_connection_params(endpoint)
self.assertEqual(expected, params)
def test_401_unauthorized_exception(self):
error_body = _get_error_body()
fake_resp = utils.FakeResponse({'content-type': 'text/plain'},
StringIO(error_body),
version=1,
status=401)
client = http.HTTPClient(
'http://localhost/',
api_version=api_versions.APIVersion('1.latest'))
client.get_connection = (lambda *a,
**kw: utils.FakeConnection(fake_resp))
self.assertRaises(exc.Unauthorized, client.json_request,
'GET', '/v1/resources')
class SessionClientTest(utils.BaseTestCase):
def test_server_exception_msg_and_traceback(self):
error_msg = 'another test error'
error_trace = ("\"Traceback (most recent call last):\\n\\n "
"File \\\"/usr/local/lib/python2.7/...")
error_body = _get_error_body(error_msg, error_trace)
fake_session = utils.FakeSession({'Content-Type': 'application/json'},
error_body,
500)
client = http.SessionClient(
api_version=api_versions.APIVersion('1.latest'),
session=fake_session)
error = self.assertRaises(exc.InternalServerError,
client.json_request,
'GET', '/v1/resources')
self.assertEqual(
'%(error)s (HTTP 500)\n%(trace)s' % {'error': error_msg,
'trace': error_trace},
"%(error)s\n%(details)s" % {'error': str(error),
'details': str(error.details)})
def test_server_exception_empty_body(self):
error_body = _get_error_body()
fake_session = utils.FakeSession({'Content-Type': 'application/json'},
error_body,
500)
client = http.SessionClient(
api_version=api_versions.APIVersion('1.latest'),
session=fake_session)
error = self.assertRaises(exc.InternalServerError,
client.json_request,
'GET', '/v1/resources')
self.assertEqual('Internal Server Error (HTTP 500)', str(error))
def test_bypass_url(self):
fake_response = utils.FakeSessionResponse(
{}, content="", status_code=201)
fake_session = mock.MagicMock()
fake_session.request.side_effect = [fake_response]
client = http.SessionClient(
api_version=api_versions.APIVersion('1.latest'),
session=fake_session, endpoint_override='http://zun')
client.json_request('GET', '/v1/services')
self.assertEqual(
fake_session.request.call_args[1]['endpoint_override'],
'http://zun'
)
def test_exception(self):
fake_response = utils.FakeSessionResponse(
{}, content="", status_code=504)
fake_session = mock.MagicMock()
fake_session.request.side_effect = [fake_response]
client = http.SessionClient(
api_version=api_versions.APIVersion('1.latest'),
session=fake_session, endpoint_override='http://zun')
self.assertRaises(exceptions.GatewayTimeout,
client.json_request,
'GET', '/v1/resources')
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