124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
# Copyright 2013-2015 DataStax, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os, socket
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from ccmlib import common
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from cassandra.cluster import Cluster, NoHostAvailable
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from cassandra.io.asyncorereactor import AsyncoreConnection
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from tests import is_monkey_patched
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from tests.integration import use_cluster, remove_cluster, PROTOCOL_VERSION
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if is_monkey_patched():
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LibevConnection = -1
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AsyncoreConnection = -1
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else:
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try:
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from cassandra.io.libevreactor import LibevConnection
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except ImportError:
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LibevConnection = None
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest # noqa
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# If more modules do IPV6 testing, this can be moved down to integration.__init__.
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# For now, just keeping the clutter here
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IPV6_CLUSTER_NAME = 'ipv6_test_cluster'
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def setup_module(module):
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if os.name != "nt":
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validate_host_viable()
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# We use a dedicated cluster (instead of common singledc, as in other tests) because
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# it's most likely that the test host will only have one local ipv6 address (::1)
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# singledc has three
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use_cluster(IPV6_CLUSTER_NAME, [1], ipformat='::%d')
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def teardown_module():
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remove_cluster()
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def validate_ccm_viable():
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try:
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common.normalize_interface(('::1', 0))
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except:
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raise unittest.SkipTest('this version of ccm does not support ipv6')
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def validate_host_viable():
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# this is something ccm does when starting, but preemptively check to avoid
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# spinning up the cluster if it's not going to work
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try:
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common.check_socket_available(('::1', 9042))
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except:
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raise unittest.SkipTest('failed binding ipv6 loopback ::1 on 9042')
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class IPV6ConnectionTest(object):
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connection_class = None
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def test_connect(self):
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cluster = Cluster(connection_class=self.connection_class, contact_points=['::1'], connect_timeout=10,
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protocol_version=PROTOCOL_VERSION)
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session = cluster.connect()
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future = session.execute_async("SELECT * FROM system.local")
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future.result()
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self.assertEqual(future._current_host.address, '::1')
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cluster.shutdown()
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def test_error(self):
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cluster = Cluster(connection_class=self.connection_class, contact_points=['::1'], port=9043,
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connect_timeout=10, protocol_version=PROTOCOL_VERSION)
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self.assertRaisesRegexp(NoHostAvailable, '\(\'Unable to connect.*%s.*::1\', 9043.*Connection refused.*'
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% os.errno.ECONNREFUSED, cluster.connect)
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def test_error_multiple(self):
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if len(socket.getaddrinfo('localhost', 9043, socket.AF_UNSPEC, socket.SOCK_STREAM)) < 2:
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raise unittest.SkipTest('localhost only resolves one address')
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cluster = Cluster(connection_class=self.connection_class, contact_points=['localhost'], port=9043,
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connect_timeout=10, protocol_version=PROTOCOL_VERSION)
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self.assertRaisesRegexp(NoHostAvailable, '\(\'Unable to connect.*Tried connecting to \[\(.*\(.*\].*Last error',
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cluster.connect)
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class LibevConnectionTests(IPV6ConnectionTest, unittest.TestCase):
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connection_class = LibevConnection
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def setUp(self):
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if os.name == "nt":
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raise unittest.SkipTest("IPv6 is currently not supported under Windows")
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if LibevConnection == -1:
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raise unittest.SkipTest("Can't test libev with monkey patching")
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elif LibevConnection is None:
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raise unittest.SkipTest("Libev does not appear to be installed properly")
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class AsyncoreConnectionTests(IPV6ConnectionTest, unittest.TestCase):
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connection_class = AsyncoreConnection
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def setUp(self):
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if os.name == "nt":
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raise unittest.SkipTest("IPv6 is currently not supported under Windows")
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if AsyncoreConnection == -1:
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raise unittest.SkipTest("Can't test asyncore with monkey patching") |