81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# Copyright 2016 Mirantis, Inc.
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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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from oslo_messaging._drivers.zmq_driver.client import zmq_routing_table
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from oslo_messaging._drivers.zmq_driver import zmq_async
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from oslo_messaging.tests import utils as test_utils
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zmq = zmq_async.import_zmq()
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class TestRoutingTable(test_utils.BaseTestCase):
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def setUp(self):
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super(TestRoutingTable, self).setUp()
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def test_get_next_while_origin_changed(self):
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table = zmq_routing_table.RoutingTable(self.conf)
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table.register("topic1.server1", "1")
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table.register("topic1.server1", "2")
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table.register("topic1.server1", "3")
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rr_gen = table.get_hosts_round_robin("topic1.server1")
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result = []
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for i in range(3):
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result.append(next(rr_gen))
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self.assertEqual(3, len(result))
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self.assertIn("1", result)
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self.assertIn("2", result)
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self.assertIn("3", result)
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table.register("topic1.server1", "4")
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table.register("topic1.server1", "5")
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table.register("topic1.server1", "6")
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result = []
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for i in range(6):
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result.append(next(rr_gen))
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self.assertEqual(6, len(result))
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self.assertIn("1", result)
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self.assertIn("2", result)
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self.assertIn("3", result)
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self.assertIn("4", result)
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self.assertIn("5", result)
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self.assertIn("6", result)
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def test_no_targets(self):
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table = zmq_routing_table.RoutingTable(self.conf)
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rr_gen = table.get_hosts_round_robin("topic1.server1")
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result = []
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for t in rr_gen:
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result.append(t)
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self.assertEqual(0, len(result))
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def test_target_unchanged(self):
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table = zmq_routing_table.RoutingTable(self.conf)
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table.register("topic1.server1", "1")
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rr_gen = table.get_hosts_round_robin("topic1.server1")
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result = []
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for i in range(3):
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result.append(next(rr_gen))
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self.assertEqual(["1", "1", "1"], result)
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