vmware-nsx/quantum/tests/unit/brocade/test_brocade_vlan.py
Monty Taylor c90977b4f6 Use testtools instead of unittest or unittest2.
As part of the move towards testr and parallel test running, we
start to use testtools and fixtures to make the test suite
resilient and more pedantic.

Part of blueprint grizzly-testtools

Change-Id: I90250de9fe21237db34f6a50b89b15863e270aa5
2013-02-26 19:32:30 +09:00

74 lines
2.1 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright (c) 2013 OpenStack, LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Test vlans alloc/dealloc.
"""
import testtools
from quantum.db import api as db
from quantum.openstack.common import context
from quantum.plugins.brocade import vlanbm as vlan_bitmap
class TestVlanBitmap(testtools.TestCase):
"""exercise Vlan bitmap ."""
def setUp(self):
super(TestVlanBitmap, self).setUp()
db.configure_db()
self.addCleanup(db.clear_db)
self.context = context.get_admin_context()
self.context.session = db.get_session()
def test_vlan(self):
"""test vlan allocation/de-alloc."""
self.vbm_ = vlan_bitmap.VlanBitmap(self.context)
vlan_id = self.vbm_.get_next_vlan(None)
# First vlan is always 2
self.assertEqual(vlan_id, 2)
# next vlan is always 3
vlan_id = self.vbm_.get_next_vlan(None)
self.assertEqual(vlan_id, 3)
# get a specific vlan i.e. 4
vlan_id = self.vbm_.get_next_vlan(4)
self.assertEqual(vlan_id, 4)
# get a specific vlan i.e. 5
vlan_id = self.vbm_.get_next_vlan(5)
self.assertEqual(vlan_id, 5)
# Skip 6
# get a specific vlan i.e. 7
vlan_id = self.vbm_.get_next_vlan(7)
self.assertEqual(vlan_id, 7)
# get a specific vlan i.e. 1900
vlan_id = self.vbm_.get_next_vlan(1900)
self.assertEqual(vlan_id, 1900)
# Release 4 and get next again
self.vbm_.release_vlan(4)
vlan_id = self.vbm_.get_next_vlan(None)
self.assertEqual(vlan_id, 4)