Files
python-glanceclient/tests/test_http.py
T
Eiichi Aikawa 3576b1bdcb Fix the parameter order of assertEqual in glanceclient test
On assertEqual, the order of parameters should be (expected, observed).
But, some part of glanceclient test were written with invalid order.
This patch fixes this problem.

Change-Id: I7722fdce766ce3cc5bc9944dc72d7d0af0b09f69
Partially-bug: #1277104
2014-02-25 16:18:19 +09:00

436 lines
17 KiB
Python

# Copyright 2012 OpenStack Foundation
# 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 errno
import socket
import mock
from mox3 import mox
import six
from six.moves import http_client
from six.moves.urllib import parse
import tempfile
import testtools
import glanceclient
from glanceclient.common import http
from glanceclient.common import utils as client_utils
from glanceclient import exc
from tests import utils
class TestClient(testtools.TestCase):
def setUp(self):
super(TestClient, self).setUp()
self.mock = mox.Mox()
self.mock.StubOutWithMock(http_client.HTTPConnection, 'request')
self.mock.StubOutWithMock(http_client.HTTPConnection, 'getresponse')
self.endpoint = 'http://example.com:9292'
self.client = http.HTTPClient(self.endpoint, token=u'abc123')
def tearDown(self):
super(TestClient, self).tearDown()
self.mock.UnsetStubs()
def test_identity_headers_and_token(self):
identity_headers = {
'X-Auth-Token': 'auth_token',
'X-User-Id': 'user',
'X-Tenant-Id': 'tenant',
'X-Roles': 'roles',
'X-Identity-Status': 'Confirmed',
'X-Service-Catalog': 'service_catalog',
}
#with token
kwargs = {'token': u'fake-token',
'identity_headers': identity_headers}
http_client_object = http.HTTPClient(self.endpoint, **kwargs)
self.assertEqual('auth_token', http_client_object.auth_token)
self.assertTrue(http_client_object.identity_headers.
get('X-Auth-Token') is None)
def test_identity_headers_and_no_token_in_header(self):
identity_headers = {
'X-User-Id': 'user',
'X-Tenant-Id': 'tenant',
'X-Roles': 'roles',
'X-Identity-Status': 'Confirmed',
'X-Service-Catalog': 'service_catalog',
}
#without X-Auth-Token in identity headers
kwargs = {'token': u'fake-token',
'identity_headers': identity_headers}
http_client_object = http.HTTPClient(self.endpoint, **kwargs)
self.assertEqual(u'fake-token', http_client_object.auth_token)
self.assertTrue(http_client_object.identity_headers.
get('X-Auth-Token') is None)
def test_connection_refused(self):
"""
Should receive a CommunicationError if connection refused.
And the error should list the host and port that refused the
connection
"""
http_client.HTTPConnection.request(
mox.IgnoreArg(),
mox.IgnoreArg(),
headers=mox.IgnoreArg(),
).AndRaise(socket.error())
self.mock.ReplayAll()
try:
self.client.json_request('GET', '/v1/images/detail?limit=20')
#NOTE(alaski) We expect exc.CommunicationError to be raised
# so we should never reach this point. try/except is used here
# rather than assertRaises() so that we can check the body of
# the exception.
self.fail('An exception should have bypassed this line.')
except glanceclient.exc.CommunicationError as comm_err:
fail_msg = ("Exception message '%s' should contain '%s'" %
(comm_err.message, self.endpoint))
self.assertTrue(self.endpoint in comm_err.message, fail_msg)
def test_request_redirected(self):
resp = utils.FakeResponse({'location': 'http://www.example.com'},
status=302, body=six.StringIO())
http_client.HTTPConnection.request(
mox.IgnoreArg(),
mox.IgnoreArg(),
headers=mox.IgnoreArg(),
)
http_client.HTTPConnection.getresponse().AndReturn(resp)
# The second request should be to the redirected location
expected_response = 'Ok'
resp2 = utils.FakeResponse({}, six.StringIO(expected_response))
http_client.HTTPConnection.request(
'GET',
'http://www.example.com',
headers=mox.IgnoreArg(),
)
http_client.HTTPConnection.getresponse().AndReturn(resp2)
self.mock.ReplayAll()
self.client.json_request('GET', '/v1/images/detail')
def test_http_encoding(self):
http_client.HTTPConnection.request(
mox.IgnoreArg(),
mox.IgnoreArg(),
headers=mox.IgnoreArg())
# Lets fake the response
# returned by httplib
expected_response = 'Ok'
fake = utils.FakeResponse({}, six.StringIO(expected_response))
http_client.HTTPConnection.getresponse().AndReturn(fake)
self.mock.ReplayAll()
headers = {"test": u'ni\xf1o'}
resp, body = self.client.raw_request('GET', '/v1/images/detail',
headers=headers)
self.assertEqual(fake, resp)
def test_headers_encoding(self):
headers = {"test": u'ni\xf1o'}
encoded = self.client.encode_headers(headers)
self.assertEqual("ni\xc3\xb1o", encoded["test"])
def test_raw_request(self):
" Verify the path being used for HTTP requests reflects accurately. "
def check_request(method, path, **kwargs):
self.assertEqual('GET', method)
# NOTE(kmcdonald): See bug #1179984 for more details.
self.assertEqual('/v1/images/detail', path)
http_client.HTTPConnection.request(
mox.IgnoreArg(),
mox.IgnoreArg(),
headers=mox.IgnoreArg()).WithSideEffects(check_request)
# fake the response returned by httplib
fake = utils.FakeResponse({}, six.StringIO('Ok'))
http_client.HTTPConnection.getresponse().AndReturn(fake)
self.mock.ReplayAll()
resp, body = self.client.raw_request('GET', '/v1/images/detail')
self.assertEqual(fake, resp)
def test_customized_path_raw_request(self):
"""
Verify the customized path being used for HTTP requests
reflects accurately
"""
def check_request(method, path, **kwargs):
self.assertEqual('GET', method)
self.assertEqual('/customized-path/v1/images/detail', path)
# NOTE(yuyangbj): see bug 1230032 to get more info
endpoint = 'http://example.com:9292/customized-path'
client = http.HTTPClient(endpoint, token=u'abc123')
self.assertEqual('/customized-path', client.endpoint_path)
http_client.HTTPConnection.request(
mox.IgnoreArg(),
mox.IgnoreArg(),
headers=mox.IgnoreArg()).WithSideEffects(check_request)
# fake the response returned by httplib
fake = utils.FakeResponse({}, six.StringIO('Ok'))
http_client.HTTPConnection.getresponse().AndReturn(fake)
self.mock.ReplayAll()
resp, body = client.raw_request('GET', '/v1/images/detail')
self.assertEqual(fake, resp)
def test_raw_request_no_content_length(self):
with tempfile.NamedTemporaryFile() as test_file:
test_file.write(b'abcd')
test_file.seek(0)
data_length = 4
self.assertEqual(data_length,
client_utils.get_file_size(test_file))
exp_resp = {'body': test_file}
exp_resp['headers'] = {'Content-Length': str(data_length),
'Content-Type': 'application/octet-stream'}
def mock_request(url, method, **kwargs):
return kwargs
rq_kwargs = {'body': test_file, 'content_length': None}
with mock.patch.object(self.client, '_http_request') as mock_rq:
mock_rq.side_effect = mock_request
resp = self.client.raw_request('PUT', '/v1/images/detail',
**rq_kwargs)
rq_kwargs.pop('content_length')
headers = {'Content-Length': str(data_length),
'Content-Type': 'application/octet-stream'}
rq_kwargs['headers'] = headers
mock_rq.assert_called_once_with('/v1/images/detail', 'PUT',
**rq_kwargs)
self.assertEqual(exp_resp, resp)
def test_raw_request_w_content_length(self):
with tempfile.NamedTemporaryFile() as test_file:
test_file.write(b'abcd')
test_file.seek(0)
data_length = 4
self.assertEqual(data_length,
client_utils.get_file_size(test_file))
exp_resp = {'body': test_file}
# NOTE: we expect the actual file size to be overridden by the
# supplied content length.
exp_resp['headers'] = {'Content-Length': '4',
'Content-Type': 'application/octet-stream'}
def mock_request(url, method, **kwargs):
return kwargs
rq_kwargs = {'body': test_file, 'content_length': data_length}
with mock.patch.object(self.client, '_http_request') as mock_rq:
mock_rq.side_effect = mock_request
resp = self.client.raw_request('PUT', '/v1/images/detail',
**rq_kwargs)
rq_kwargs.pop('content_length')
headers = {'Content-Length': str(data_length),
'Content-Type': 'application/octet-stream'}
rq_kwargs['headers'] = headers
mock_rq.assert_called_once_with('/v1/images/detail', 'PUT',
**rq_kwargs)
self.assertEqual(exp_resp, resp)
def test_raw_request_w_bad_content_length(self):
with tempfile.NamedTemporaryFile() as test_file:
test_file.write(b'abcd')
test_file.seek(0)
self.assertEqual(4, client_utils.get_file_size(test_file))
def mock_request(url, method, **kwargs):
return kwargs
with mock.patch.object(self.client, '_http_request', mock_request):
self.assertRaises(AttributeError, self.client.raw_request,
'PUT', '/v1/images/detail', body=test_file,
content_length=32)
def test_connection_refused_raw_request(self):
"""
Should receive a CommunicationError if connection refused.
And the error should list the host and port that refused the
connection
"""
endpoint = 'http://example.com:9292'
client = http.HTTPClient(endpoint, token=u'abc123')
http_client.HTTPConnection.request(mox.IgnoreArg(), mox.IgnoreArg(),
headers=mox.IgnoreArg()
).AndRaise(socket.error())
self.mock.ReplayAll()
try:
client.raw_request('GET', '/v1/images/detail?limit=20')
self.fail('An exception should have bypassed this line.')
except exc.CommunicationError as comm_err:
fail_msg = ("Exception message '%s' should contain '%s'" %
(comm_err.message, endpoint))
self.assertTrue(endpoint in comm_err.message, fail_msg)
def test_parse_endpoint(self):
endpoint = 'http://example.com:9292'
test_client = http.HTTPClient(endpoint, token=u'adc123')
actual = test_client.parse_endpoint(endpoint)
expected = parse.ParseResult(scheme='http',
netloc='example.com:9292', path='',
params='', query='', fragment='')
self.assertEqual(expected, actual)
def test_get_connection_class(self):
endpoint = 'http://example.com:9292'
test_client = http.HTTPClient(endpoint, token=u'adc123')
actual = (test_client.get_connection_class('https'))
self.assertEqual(http.VerifiedHTTPSConnection, actual)
def test_get_connections_kwargs_http(self):
endpoint = 'http://example.com:9292'
test_client = http.HTTPClient(endpoint, token=u'adc123')
actual = test_client.get_connection_kwargs('http', insecure=True)
self.assertEqual({'timeout': 600.0}, actual)
def test_get_connections_kwargs_https(self):
endpoint = 'http://example.com:9292'
test_client = http.HTTPClient(endpoint, token=u'adc123')
actual = test_client.get_connection_kwargs('https', insecure=True)
expected = {'cacert': None,
'cert_file': None,
'insecure': True,
'key_file': None,
'ssl_compression': True,
'timeout': 600.0}
self.assertEqual(expected, actual)
class TestHostResolutionError(testtools.TestCase):
def setUp(self):
super(TestHostResolutionError, self).setUp()
self.mock = mox.Mox()
self.invalid_host = "example.com.incorrect_top_level_domain"
def test_incorrect_domain_error(self):
"""
Make sure that using a domain which does not resolve causes an
exception which mentions that specific hostname as a reason for
failure.
"""
class FailingConnectionClass(object):
def __init__(self, *args, **kwargs):
pass
def putrequest(self, *args, **kwargs):
raise socket.gaierror(-2, "Name or service not known")
def request(self, *args, **kwargs):
raise socket.gaierror(-2, "Name or service not known")
self.endpoint = 'http://%s:9292' % (self.invalid_host,)
self.client = http.HTTPClient(self.endpoint, token=u'abc123')
self.mock.StubOutWithMock(self.client, 'get_connection')
self.client.get_connection().AndReturn(FailingConnectionClass())
self.mock.ReplayAll()
try:
self.client.raw_request('GET', '/example/path')
self.fail("gaierror should be raised")
except exc.InvalidEndpoint as e:
self.assertTrue(self.invalid_host in str(e),
"exception should contain the hostname")
def tearDown(self):
super(TestHostResolutionError, self).tearDown()
self.mock.UnsetStubs()
class TestVerifiedHTTPSConnection(testtools.TestCase):
"""Test fixture for glanceclient.common.http.VerifiedHTTPSConnection."""
def test_setcontext_unable_to_load_cacert(self):
"""Add this UT case with Bug#1265730."""
self.assertRaises(exc.SSLConfigurationError,
http.VerifiedHTTPSConnection,
"127.0.0.1",
None,
None,
None,
"gx_cacert",
None,
False,
True)
class TestResponseBodyIterator(testtools.TestCase):
def test_iter_default_chunk_size_64k(self):
resp = utils.FakeResponse({}, six.StringIO('X' * 98304))
iterator = http.ResponseBodyIterator(resp)
chunks = list(iterator)
self.assertEqual(['X' * 65536, 'X' * 32768], chunks)
def test_integrity_check_with_correct_checksum(self):
resp = utils.FakeResponse({}, six.StringIO('CCC'))
body = http.ResponseBodyIterator(resp)
body.set_checksum('defb99e69a9f1f6e06f15006b1f166ae')
list(body)
def test_integrity_check_with_wrong_checksum(self):
resp = utils.FakeResponse({}, six.StringIO('BB'))
body = http.ResponseBodyIterator(resp)
body.set_checksum('wrong')
try:
list(body)
self.fail('integrity checked passed with wrong checksum')
except IOError as e:
self.assertEqual(errno.EPIPE, e.errno)
def test_set_checksum_in_consumed_iterator(self):
resp = utils.FakeResponse({}, six.StringIO('CCC'))
body = http.ResponseBodyIterator(resp)
list(body)
# Setting checksum for an already consumed iterator should raise an
# AttributeError.
self.assertRaises(
AttributeError, body.set_checksum,
'defb99e69a9f1f6e06f15006b1f166ae')
def test_body_size(self):
size = 1000000007
resp = utils.FakeResponse(
{'content-length': str(size)}, six.StringIO('BB'))
body = http.ResponseBodyIterator(resp)
self.assertEqual(size, len(body))