63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Nicira Networks, Inc.
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# All Rights Reserved.
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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 unittest
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from ovs_quantum_plugin import VlanMap, NoFreeVLANException
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class VlanMapTest(unittest.TestCase):
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def setUp(self):
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self.vmap = VlanMap()
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def tearDown(self):
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pass
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def testAddVlan(self):
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vlan_id = self.vmap.acquire("foobar")
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self.assertTrue(vlan_id >= VlanMap.VLAN_MIN)
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self.assertTrue(vlan_id <= VlanMap.VLAN_MAX)
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def testReleaseVlan(self):
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vlan_id = self.vmap.acquire("foobar")
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self.vmap.release("foobar")
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def testAddRelease4kVlans(self):
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vlan_id = None
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num_vlans = VlanMap.VLAN_MAX - VlanMap.VLAN_MIN
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for id in xrange(num_vlans):
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vlan_id = self.vmap.acquire("net-%s" % id)
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self.assertTrue(vlan_id >= VlanMap.VLAN_MIN)
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self.assertTrue(vlan_id <= VlanMap.VLAN_MAX)
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for id in xrange(num_vlans):
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self.vmap.release("net-%s" % id)
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def testAlreadyUsed(self):
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existing_vlan = 2
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self.vmap.already_used(existing_vlan, "net1")
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try:
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# this value is high enough that we will exhaust
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# all VLANs. We want to make sure 'existing_vlan'
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# is never reallocated.
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num_vlans = VlanMap.VLAN_MAX - VlanMap.VLAN_MIN + 1
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for x in xrange(num_vlans):
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vlan_id = self.vmap.acquire("net-%x" % x)
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self.assertTrue(vlan_id != existing_vlan)
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self.fail("Did not run out of VLANs as expected")
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except NoFreeVLANException:
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pass # Expected exit
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