# 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')