353 lines
13 KiB
Python
353 lines
13 KiB
Python
# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import errno
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import socket
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import StringIO
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import urlparse
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import mox
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import testtools
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import glanceclient
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from glanceclient.common import http
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from glanceclient import exc
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from six.moves import http_client
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from tests import utils
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class TestClient(testtools.TestCase):
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def setUp(self):
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super(TestClient, self).setUp()
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self.mock = mox.Mox()
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self.mock.StubOutWithMock(http_client.HTTPConnection, 'request')
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self.mock.StubOutWithMock(http_client.HTTPConnection, 'getresponse')
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self.endpoint = 'http://example.com:9292'
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self.client = http.HTTPClient(self.endpoint, token=u'abc123')
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def tearDown(self):
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super(TestClient, self).tearDown()
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self.mock.UnsetStubs()
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def test_identity_headers_and_token(self):
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identity_headers = {
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'X-Auth-Token': 'auth_token',
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'X-User-Id': 'user',
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'X-Tenant-Id': 'tenant',
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'X-Roles': 'roles',
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'X-Identity-Status': 'Confirmed',
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'X-Service-Catalog': 'service_catalog',
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}
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#with token
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kwargs = {'token': u'fake-token',
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'identity_headers': identity_headers}
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http_client_object = http.HTTPClient(self.endpoint, **kwargs)
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self.assertEqual(http_client_object.auth_token, 'auth_token')
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self.assertTrue(http_client_object.identity_headers.
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get('X-Auth-Token') is None)
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def test_identity_headers_and_no_token_in_header(self):
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identity_headers = {
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'X-User-Id': 'user',
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'X-Tenant-Id': 'tenant',
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'X-Roles': 'roles',
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'X-Identity-Status': 'Confirmed',
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'X-Service-Catalog': 'service_catalog',
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}
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#without X-Auth-Token in identity headers
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kwargs = {'token': u'fake-token',
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'identity_headers': identity_headers}
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http_client_object = http.HTTPClient(self.endpoint, **kwargs)
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self.assertEqual(http_client_object.auth_token, u'fake-token')
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self.assertTrue(http_client_object.identity_headers.
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get('X-Auth-Token') is None)
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def test_connection_refused(self):
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"""
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Should receive a CommunicationError if connection refused.
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And the error should list the host and port that refused the
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connection
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"""
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http_client.HTTPConnection.request(
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mox.IgnoreArg(),
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mox.IgnoreArg(),
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headers=mox.IgnoreArg(),
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).AndRaise(socket.error())
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self.mock.ReplayAll()
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try:
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self.client.json_request('GET', '/v1/images/detail?limit=20')
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#NOTE(alaski) We expect exc.CommunicationError to be raised
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# so we should never reach this point. try/except is used here
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# rather than assertRaises() so that we can check the body of
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# the exception.
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self.fail('An exception should have bypassed this line.')
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except glanceclient.exc.CommunicationError as comm_err:
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fail_msg = ("Exception message '%s' should contain '%s'" %
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(comm_err.message, self.endpoint))
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self.assertTrue(self.endpoint in comm_err.message, fail_msg)
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def test_request_redirected(self):
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resp = utils.FakeResponse({'location': 'http://www.example.com'},
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status=302, body=StringIO.StringIO())
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http_client.HTTPConnection.request(
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mox.IgnoreArg(),
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mox.IgnoreArg(),
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headers=mox.IgnoreArg(),
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)
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http_client.HTTPConnection.getresponse().AndReturn(resp)
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# The second request should be to the redirected location
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expected_response = 'Ok'
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resp2 = utils.FakeResponse({}, StringIO.StringIO(expected_response))
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http_client.HTTPConnection.request(
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'GET',
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'http://www.example.com',
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headers=mox.IgnoreArg(),
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)
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http_client.HTTPConnection.getresponse().AndReturn(resp2)
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self.mock.ReplayAll()
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self.client.json_request('GET', '/v1/images/detail')
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def test_http_encoding(self):
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http_client.HTTPConnection.request(
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mox.IgnoreArg(),
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mox.IgnoreArg(),
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headers=mox.IgnoreArg())
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# Lets fake the response
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# returned by httplib
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expected_response = 'Ok'
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fake = utils.FakeResponse({}, StringIO.StringIO(expected_response))
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http_client.HTTPConnection.getresponse().AndReturn(fake)
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self.mock.ReplayAll()
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headers = {"test": u'ni\xf1o'}
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resp, body = self.client.raw_request('GET', '/v1/images/detail',
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headers=headers)
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self.assertEqual(resp, fake)
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def test_headers_encoding(self):
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headers = {"test": u'ni\xf1o'}
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encoded = self.client.encode_headers(headers)
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self.assertEqual(encoded["test"], "ni\xc3\xb1o")
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def test_raw_request(self):
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" Verify the path being used for HTTP requests reflects accurately. "
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def check_request(method, path, **kwargs):
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self.assertEqual(method, 'GET')
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# NOTE(kmcdonald): See bug #1179984 for more details.
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self.assertEqual(path, '/v1/images/detail')
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http_client.HTTPConnection.request(
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mox.IgnoreArg(),
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mox.IgnoreArg(),
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headers=mox.IgnoreArg()).WithSideEffects(check_request)
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# fake the response returned by httplib
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fake = utils.FakeResponse({}, StringIO.StringIO('Ok'))
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http_client.HTTPConnection.getresponse().AndReturn(fake)
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self.mock.ReplayAll()
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resp, body = self.client.raw_request('GET', '/v1/images/detail')
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self.assertEqual(resp, fake)
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def test_customized_path_raw_request(self):
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"""
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Verify the customized path being used for HTTP requests
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reflects accurately
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"""
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def check_request(method, path, **kwargs):
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self.assertEqual(method, 'GET')
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self.assertEqual(path, '/customized-path/v1/images/detail')
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# NOTE(yuyangbj): see bug 1230032 to get more info
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endpoint = 'http://example.com:9292/customized-path'
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client = http.HTTPClient(endpoint, token=u'abc123')
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self.assertEqual(client.endpoint_path, '/customized-path')
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http_client.HTTPConnection.request(
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mox.IgnoreArg(),
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mox.IgnoreArg(),
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headers=mox.IgnoreArg()).WithSideEffects(check_request)
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# fake the response returned by httplib
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fake = utils.FakeResponse({}, StringIO.StringIO('Ok'))
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http_client.HTTPConnection.getresponse().AndReturn(fake)
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self.mock.ReplayAll()
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resp, body = client.raw_request('GET', '/v1/images/detail')
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self.assertEqual(resp, fake)
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def test_connection_refused_raw_request(self):
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"""
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Should receive a CommunicationError if connection refused.
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And the error should list the host and port that refused the
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connection
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"""
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endpoint = 'http://example.com:9292'
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client = http.HTTPClient(endpoint, token=u'abc123')
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http_client.HTTPConnection.request(mox.IgnoreArg(), mox.IgnoreArg(),
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headers=mox.IgnoreArg()
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).AndRaise(socket.error())
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self.mock.ReplayAll()
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try:
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client.raw_request('GET', '/v1/images/detail?limit=20')
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self.fail('An exception should have bypassed this line.')
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except exc.CommunicationError as comm_err:
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fail_msg = ("Exception message '%s' should contain '%s'" %
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(comm_err.message, endpoint))
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self.assertTrue(endpoint in comm_err.message, fail_msg)
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def test_parse_endpoint(self):
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endpoint = 'http://example.com:9292'
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test_client = http.HTTPClient(endpoint, token=u'adc123')
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actual = test_client.parse_endpoint(endpoint)
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expected = urlparse.ParseResult(scheme='http',
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netloc='example.com:9292', path='',
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params='', query='', fragment='')
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self.assertEqual(expected, actual)
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def test_get_connection_class(self):
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endpoint = 'http://example.com:9292'
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test_client = http.HTTPClient(endpoint, token=u'adc123')
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actual = (test_client.get_connection_class('https'))
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self.assertEqual(actual, http.VerifiedHTTPSConnection)
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def test_get_connections_kwargs_http(self):
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endpoint = 'http://example.com:9292'
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test_client = http.HTTPClient(endpoint, token=u'adc123')
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actual = test_client.get_connection_kwargs('http', insecure=True)
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self.assertEqual({'timeout': 600.0}, actual)
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def test_get_connections_kwargs_https(self):
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endpoint = 'http://example.com:9292'
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test_client = http.HTTPClient(endpoint, token=u'adc123')
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actual = test_client.get_connection_kwargs('https', insecure=True)
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expected = {'cacert': None,
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'cert_file': None,
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'insecure': True,
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'key_file': None,
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'ssl_compression': True,
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'timeout': 600.0}
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self.assertEqual(expected, actual)
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class TestHostResolutionError(testtools.TestCase):
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def setUp(self):
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super(TestHostResolutionError, self).setUp()
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self.mock = mox.Mox()
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self.invalid_host = "example.com.incorrect_top_level_domain"
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def test_incorrect_domain_error(self):
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"""
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Make sure that using a domain which does not resolve causes an
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exception which mentions that specific hostname as a reason for
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failure.
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"""
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class FailingConnectionClass(object):
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def __init__(self, *args, **kwargs):
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pass
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def putrequest(self, *args, **kwargs):
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raise socket.gaierror(-2, "Name or service not known")
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def request(self, *args, **kwargs):
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raise socket.gaierror(-2, "Name or service not known")
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self.endpoint = 'http://%s:9292' % (self.invalid_host,)
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self.client = http.HTTPClient(self.endpoint, token=u'abc123')
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self.mock.StubOutWithMock(self.client, 'get_connection')
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self.client.get_connection().AndReturn(FailingConnectionClass())
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self.mock.ReplayAll()
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try:
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self.client.raw_request('GET', '/example/path')
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self.fail("gaierror should be raised")
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except exc.InvalidEndpoint as e:
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self.assertTrue(self.invalid_host in str(e),
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"exception should contain the hostname")
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def tearDown(self):
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super(TestHostResolutionError, self).tearDown()
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self.mock.UnsetStubs()
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class TestVerifiedHTTPSConnection(testtools.TestCase):
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"""Test fixture for glanceclient.common.http.VerifiedHTTPSConnection."""
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def test_setcontext_unable_to_load_cacert(self):
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"""Add this UT case with Bug#1265730."""
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self.assertRaises(exc.SSLConfigurationError,
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http.VerifiedHTTPSConnection,
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"127.0.0.1",
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None,
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None,
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None,
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"gx_cacert",
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None,
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False,
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True)
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class TestResponseBodyIterator(testtools.TestCase):
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def test_iter_default_chunk_size_64k(self):
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resp = utils.FakeResponse({}, StringIO.StringIO('X' * 98304))
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iterator = http.ResponseBodyIterator(resp)
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chunks = list(iterator)
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self.assertEqual(chunks, ['X' * 65536, 'X' * 32768])
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def test_integrity_check_with_correct_checksum(self):
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resp = utils.FakeResponse({}, StringIO.StringIO('CCC'))
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body = http.ResponseBodyIterator(resp)
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body.set_checksum('defb99e69a9f1f6e06f15006b1f166ae')
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list(body)
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def test_integrity_check_with_wrong_checksum(self):
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resp = utils.FakeResponse({}, StringIO.StringIO('BB'))
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body = http.ResponseBodyIterator(resp)
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body.set_checksum('wrong')
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try:
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list(body)
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self.fail('integrity checked passed with wrong checksum')
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except IOError as e:
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self.assertEqual(errno.EPIPE, e.errno)
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def test_set_checksum_in_consumed_iterator(self):
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resp = utils.FakeResponse({}, StringIO.StringIO('CCC'))
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body = http.ResponseBodyIterator(resp)
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list(body)
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# Setting checksum for an already consumed iterator should raise an
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# AttributeError.
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self.assertRaises(
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AttributeError, body.set_checksum,
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'defb99e69a9f1f6e06f15006b1f166ae')
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def test_body_size(self):
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size = 1000000007
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resp = utils.FakeResponse(
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{'content-length': str(size)}, StringIO.StringIO('BB'))
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body = http.ResponseBodyIterator(resp)
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self.assertEqual(len(body), size)
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