105 lines
4.0 KiB
Python
105 lines
4.0 KiB
Python
# Copyright 2014 Hewlett-Packard Development Company, L.P.
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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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import mock
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from neutron.agent.l3 import item_allocator as ia
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from neutron.tests import base
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class TestObject(object):
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def __init__(self, value):
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super(TestObject, self).__init__()
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self._value = value
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def __str__(self):
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return str(self._value)
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class TestItemAllocator(base.BaseTestCase):
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def setUp(self):
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super(TestItemAllocator, self).setUp()
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def test__init__(self):
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test_pool = set(TestObject(s) for s in range(32768, 40000))
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with mock.patch.object(ia.ItemAllocator, '_write') as write:
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a = ia.ItemAllocator('/file', TestObject, test_pool)
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test_object = a.allocate('test')
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self.assertTrue('test' in a.allocations)
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self.assertTrue(test_object in a.allocations.values())
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self.assertTrue(test_object not in a.pool)
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self.assertTrue(write.called)
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def test__init__readfile(self):
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test_pool = set(TestObject(s) for s in range(32768, 40000))
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with mock.patch.object(ia.ItemAllocator, '_read') as read:
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read.return_value = ["da873ca2,10\n"]
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a = ia.ItemAllocator('/file', TestObject, test_pool)
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self.assertTrue('da873ca2' in a.remembered)
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self.assertEqual({}, a.allocations)
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def test_allocate(self):
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test_pool = set([TestObject(33000), TestObject(33001)])
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a = ia.ItemAllocator('/file', TestObject, test_pool)
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with mock.patch.object(ia.ItemAllocator, '_write') as write:
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test_object = a.allocate('test')
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self.assertTrue('test' in a.allocations)
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self.assertTrue(test_object in a.allocations.values())
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self.assertTrue(test_object not in a.pool)
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self.assertTrue(write.called)
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def test_allocate_from_file(self):
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test_pool = set([TestObject(33000), TestObject(33001)])
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with mock.patch.object(ia.ItemAllocator, '_read') as read:
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read.return_value = ["deadbeef,33000\n"]
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a = ia.ItemAllocator('/file', TestObject, test_pool)
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with mock.patch.object(ia.ItemAllocator, '_write') as write:
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t_obj = a.allocate('deadbeef')
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self.assertEqual('33000', t_obj._value)
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self.assertTrue('deadbeef' in a.allocations)
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self.assertTrue(t_obj in a.allocations.values())
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self.assertTrue(33000 not in a.pool)
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self.assertFalse(write.called)
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def test_allocate_exhausted_pool(self):
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test_pool = set([TestObject(33000)])
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with mock.patch.object(ia.ItemAllocator, '_read') as read:
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read.return_value = ["deadbeef,33000\n"]
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a = ia.ItemAllocator('/file', TestObject, test_pool)
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with mock.patch.object(ia.ItemAllocator, '_write') as write:
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allocation = a.allocate('abcdef12')
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self.assertFalse('deadbeef' in a.allocations)
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self.assertTrue(allocation not in a.pool)
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self.assertTrue(write.called)
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def test_release(self):
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test_pool = set([TestObject(33000), TestObject(33001)])
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with mock.patch.object(ia.ItemAllocator, '_write') as write:
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a = ia.ItemAllocator('/file', TestObject, test_pool)
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allocation = a.allocate('deadbeef')
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write.reset_mock()
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a.release('deadbeef')
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self.assertTrue('deadbeef' not in a.allocations)
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self.assertTrue(allocation in a.pool)
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self.assertEqual({}, a.allocations)
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write.assert_called_once_with([])
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