71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
# Copyright (c) 2013 OpenStack Foundation.
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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
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# 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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"""
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Test vlans alloc/dealloc.
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"""
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from oslo_context import context as oslo_context
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from neutron.db import api as db
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from neutron.plugins.brocade import vlanbm as vlan_bitmap
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from neutron.tests.unit import testlib_api
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class TestVlanBitmap(testlib_api.SqlTestCase):
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"""exercise Vlan bitmap ."""
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def setUp(self):
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super(TestVlanBitmap, self).setUp()
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self.context = oslo_context.get_admin_context()
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self.context.session = db.get_session()
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def test_vlan(self):
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"""test vlan allocation/de-alloc."""
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self.vbm_ = vlan_bitmap.VlanBitmap(self.context)
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vlan_id = self.vbm_.get_next_vlan(None)
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# First vlan is always 2
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self.assertEqual(vlan_id, 2)
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# next vlan is always 3
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vlan_id = self.vbm_.get_next_vlan(None)
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self.assertEqual(vlan_id, 3)
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# get a specific vlan i.e. 4
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vlan_id = self.vbm_.get_next_vlan(4)
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self.assertEqual(vlan_id, 4)
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# get a specific vlan i.e. 5
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vlan_id = self.vbm_.get_next_vlan(5)
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self.assertEqual(vlan_id, 5)
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# Skip 6
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# get a specific vlan i.e. 7
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vlan_id = self.vbm_.get_next_vlan(7)
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self.assertEqual(vlan_id, 7)
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# get a specific vlan i.e. 1900
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vlan_id = self.vbm_.get_next_vlan(1900)
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self.assertEqual(vlan_id, 1900)
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# Release 4 and get next again
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self.vbm_.release_vlan(4)
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vlan_id = self.vbm_.get_next_vlan(None)
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self.assertEqual(vlan_id, 4)
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