103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright © 2016 Red Hat, 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 tooz import coordination
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from tooz import tests
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class TestPartitioner(tests.TestWithCoordinator):
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def setUp(self):
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super(TestPartitioner, self).setUp()
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self._extra_coords = []
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def tearDown(self):
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for c in self._extra_coords:
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c.stop()
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super(TestPartitioner, self).tearDown()
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def _add_members(self, number_of_members, weight=1):
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groups = []
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for _ in range(number_of_members):
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m = tests.get_random_uuid()
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coord = coordination.get_coordinator(self.url, m)
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coord.start()
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groups.append(coord.join_partitioned_group(
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self.group_id, weight=weight))
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self._extra_coords.append(coord)
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self._coord.run_watchers()
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return groups
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def _remove_members(self, number_of_members):
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for _ in range(number_of_members):
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c = self._extra_coords.pop()
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c.stop()
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self._coord.run_watchers()
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def test_join_partitioned_group(self):
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group_id = tests.get_random_uuid()
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self._coord.join_partitioned_group(group_id)
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def test_hashring_size(self):
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p = self._coord.join_partitioned_group(self.group_id)
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self.assertEqual(1, len(p.ring.nodes))
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self._add_members(1)
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self.assertEqual(2, len(p.ring.nodes))
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self._add_members(2)
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self.assertEqual(4, len(p.ring.nodes))
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self._remove_members(3)
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self.assertEqual(1, len(p.ring.nodes))
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p.stop()
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def test_hashring_weight(self):
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p = self._coord.join_partitioned_group(self.group_id, weight=5)
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self.assertEqual([5], list(p.ring.nodes.values()))
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p2 = self._add_members(1, weight=10)[0]
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self.assertEqual(set([5, 10]), set(p.ring.nodes.values()))
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self.assertEqual(set([5, 10]), set(p2.ring.nodes.values()))
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p.stop()
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def test_stop(self):
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p = self._coord.join_partitioned_group(self.group_id)
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p.stop()
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self.assertEqual(0, len(self._coord._hooks_join_group))
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self.assertEqual(0, len(self._coord._hooks_leave_group))
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def test_members_of_object_and_others(self):
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p = self._coord.join_partitioned_group(self.group_id)
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self._add_members(3)
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o = str(u"чупакабра")
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m = p.members_for_object(o)
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self.assertEqual(1, len(m))
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m = m.pop()
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self.assertTrue(p.belongs_to_member(o, m))
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self.assertFalse(p.belongs_to_member(o, b"chupacabra"))
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maybe = self.assertTrue if m == self.member_id else self.assertFalse
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maybe(p.belongs_to_self(o))
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p.stop()
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class ZakeTestPartitioner(TestPartitioner):
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url = "zake://"
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class IPCTestPartitioner(TestPartitioner):
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url = "ipc://"
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class FileTestPartitioner(TestPartitioner):
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url = "file:///tmp"
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