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# Copyright 2014 IBM Corp.
# 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.
import json
import socket
import mock
from oslotest import mockpatch
import six
from six.moves import http_client as httplib
from tempest_lib import exceptions as lib_exc
from tempest.common import glance_http
from tempest import exceptions
from tempest.tests import base
from tempest.tests import fake_auth_provider
from tempest.tests import fake_http
class TestGlanceHTTPClient(base.TestCase):
def setUp(self):
super(TestGlanceHTTPClient, self).setUp()
self.fake_http = fake_http.fake_httplib2(return_type=200)
# NOTE(maurosr): using http here implies that we will be using httplib
# directly. With https glance_client would use an httpS version, but
# the real backend would still be httplib anyway and since we mock it
# that there is no reason to care.
self.endpoint = 'http://fake_url.com'
self.fake_auth = fake_auth_provider.FakeAuthProvider()
self.fake_auth.base_url = mock.MagicMock(return_value=self.endpoint)
self.useFixture(mockpatch.PatchObject(
httplib.HTTPConnection,
'request',
side_effect=self.fake_http.request(self.endpoint)[1]))
self.client = glance_http.HTTPClient(self.fake_auth, {})
def _set_response_fixture(self, header, status, resp_body):
resp = fake_http.fake_httplib(header, status=status,
body=six.StringIO(resp_body))
self.useFixture(mockpatch.PatchObject(httplib.HTTPConnection,
'getresponse', return_value=resp))
return resp
def test_json_request_without_content_type_header_in_response(self):
self._set_response_fixture({}, 200, 'fake_response_body')
self.assertRaises(lib_exc.InvalidContentType,
self.client.json_request, 'GET', '/images')
def test_json_request_with_xml_content_type_header_in_request(self):
self.assertRaises(lib_exc.InvalidContentType,
self.client.json_request, 'GET', '/images',
headers={'Content-Type': 'application/xml'})
def test_json_request_with_xml_content_type_header_in_response(self):
self._set_response_fixture({'content-type': 'application/xml'},
200, 'fake_response_body')
self.assertRaises(lib_exc.InvalidContentType,
self.client.json_request, 'GET', '/images')
def test_json_request_with_json_content_type_header_only_in_resp(self):
self._set_response_fixture({'content-type': 'application/json'},
200, 'fake_response_body')
resp, body = self.client.json_request('GET', '/images')
self.assertEqual(200, resp.status)
self.assertEqual('fake_response_body', body)
def test_json_request_with_json_content_type_header_in_req_and_resp(self):
self._set_response_fixture({'content-type': 'application/json'},
200, 'fake_response_body')
resp, body = self.client.json_request('GET', '/images', headers={
'Content-Type': 'application/json'})
self.assertEqual(200, resp.status)
self.assertEqual('fake_response_body', body)
def test_json_request_fails_to_json_loads(self):
self._set_response_fixture({'content-type': 'application/json'},
200, 'fake_response_body')
self.useFixture(mockpatch.PatchObject(json, 'loads',
side_effect=ValueError()))
resp, body = self.client.json_request('GET', '/images')
self.assertEqual(200, resp.status)
self.assertEqual(body, 'fake_response_body')
def test_json_request_socket_timeout(self):
self.useFixture(mockpatch.PatchObject(httplib.HTTPConnection,
'request',
side_effect=socket.timeout()))
self.assertRaises(exceptions.TimeoutException,
self.client.json_request, 'GET', '/images')
def test_json_request_endpoint_not_found(self):
self.useFixture(mockpatch.PatchObject(httplib.HTTPConnection,
'request',
side_effect=socket.gaierror()))
self.assertRaises(exceptions.EndpointNotFound,
self.client.json_request, 'GET', '/images')
def test_raw_request(self):
self._set_response_fixture({}, 200, 'fake_response_body')
resp, body = self.client.raw_request('GET', '/images')
self.assertEqual(200, resp.status)
self.assertEqual('fake_response_body', body.read())
def test_raw_request_with_response_chunked(self):
self._set_response_fixture({}, 200, 'fake_response_body')
self.useFixture(mockpatch.PatchObject(glance_http,
'CHUNKSIZE', 1))
resp, body = self.client.raw_request('GET', '/images')
self.assertEqual(200, resp.status)
self.assertEqual('fake_response_body', body.read())
def test_raw_request_chunked(self):
self.useFixture(mockpatch.PatchObject(glance_http,
'CHUNKSIZE', 1))
self.useFixture(mockpatch.PatchObject(httplib.HTTPConnection,
'endheaders'))
self.useFixture(mockpatch.PatchObject(httplib.HTTPConnection,
'send'))
self._set_response_fixture({}, 200, 'fake_response_body')
req_body = six.StringIO('fake_request_body')
resp, body = self.client.raw_request('PUT', '/images', body=req_body)
self.assertEqual(200, resp.status)
self.assertEqual('fake_response_body', body.read())
httplib.HTTPConnection.send.assert_call_count(req_body.len)
def test_get_connection_class_for_https(self):
conn_class = self.client.get_connection_class('https')
self.assertEqual(glance_http.VerifiedHTTPSConnection, conn_class)
def test_get_connection_class_for_http(self):
conn_class = (self.client.get_connection_class('http'))
self.assertEqual(httplib.HTTPConnection, conn_class)
def test_get_connection_http(self):
self.assertTrue(isinstance(self.client.get_connection(),
httplib.HTTPConnection))
def test_get_connection_https(self):
endpoint = 'https://fake_url.com'
self.fake_auth.base_url = mock.MagicMock(return_value=endpoint)
self.client = glance_http.HTTPClient(self.fake_auth, {})
self.assertTrue(isinstance(self.client.get_connection(),
glance_http.VerifiedHTTPSConnection))
def test_get_connection_url_not_fount(self):
self.useFixture(mockpatch.PatchObject(self.client, 'connection_class',
side_effect=httplib.InvalidURL()
))
self.assertRaises(exceptions.EndpointNotFound,
self.client.get_connection)
def test_get_connection_kwargs_default_for_http(self):
kwargs = self.client.get_connection_kwargs('http')
self.assertEqual(600, kwargs['timeout'])
self.assertEqual(1, len(kwargs.keys()))
def test_get_connection_kwargs_set_timeout_for_http(self):
kwargs = self.client.get_connection_kwargs('http', timeout=10,
ca_certs='foo')
self.assertEqual(10, kwargs['timeout'])
# nothing more than timeout is evaluated for http connections
self.assertEqual(1, len(kwargs.keys()))
def test_get_connection_kwargs_default_for_https(self):
kwargs = self.client.get_connection_kwargs('https')
self.assertEqual(600, kwargs['timeout'])
self.assertEqual(None, kwargs['ca_certs'])
self.assertEqual(None, kwargs['cert_file'])
self.assertEqual(None, kwargs['key_file'])
self.assertEqual(False, kwargs['insecure'])
self.assertEqual(True, kwargs['ssl_compression'])
self.assertEqual(6, len(kwargs.keys()))
def test_get_connection_kwargs_set_params_for_https(self):
kwargs = self.client.get_connection_kwargs('https', timeout=10,
ca_certs='foo',
cert_file='/foo/bar.cert',
key_file='/foo/key.pem',
insecure=True,
ssl_compression=False)
self.assertEqual(10, kwargs['timeout'])
self.assertEqual('foo', kwargs['ca_certs'])
self.assertEqual('/foo/bar.cert', kwargs['cert_file'])
self.assertEqual('/foo/key.pem', kwargs['key_file'])
self.assertEqual(True, kwargs['insecure'])
self.assertEqual(False, kwargs['ssl_compression'])
self.assertEqual(6, len(kwargs.keys()))
class TestResponseBodyIterator(base.TestCase):
def test_iter_default_chunk_size_64k(self):
resp = fake_http.fake_httplib({}, six.StringIO(
'X' * (glance_http.CHUNKSIZE + 1)))
iterator = glance_http.ResponseBodyIterator(resp)
chunks = list(iterator)
self.assertEqual(chunks, ['X' * glance_http.CHUNKSIZE, 'X'])
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