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# 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.
import uuid
from osc_lib import exceptions
from oslotest import base
from osc_placement.resources import allocation
class TestAllocation(base.BaseTestCase):
def test_parse_allocations(self):
rp1 = str(uuid.uuid4())
rp2 = str(uuid.uuid4())
allocations = [
'rp={},VCPU=4,MEMORY_MB=16324'.format(rp1),
'rp={},VCPU=4,DISK_GB=4096'.format(rp2)]
expected = {
rp1: {'VCPU': 4, 'MEMORY_MB': 16324},
rp2: {'VCPU': 4, 'DISK_GB': 4096},
}
self.assertDictEqual(
expected, allocation.parse_allocations(allocations))
def test_merge_allocations(self):
rp1 = str(uuid.uuid4())
allocations = [
'rp={},VCPU=4,MEMORY_MB=16324'.format(rp1),
'rp={},VCPU=4,DISK_GB=4096'.format(rp1)]
expected = {
rp1: {'VCPU': 4, 'MEMORY_MB': 16324, 'DISK_GB': 4096}}
self.assertEqual(expected, allocation.parse_allocations(allocations))
def test_fail_if_cannot_merge_allocations(self):
rp1 = str(uuid.uuid4())
allocations = [
'rp={},VCPU=4,MEMORY_MB=16324'.format(rp1),
'rp={},VCPU=8,DISK_GB=4096'.format(rp1)]
ex = self.assertRaises(
exceptions.CommandError, allocation.parse_allocations, allocations)
self.assertEqual(
'Conflict detected for resource provider %s resource class VCPU' %
rp1, str(ex))
def test_fail_if_incorrect_format(self):
allocations = ['incorrect_format']
self.assertRaisesRegex(
ValueError,
'Incorrect allocation',
allocation.parse_allocations, allocations)
allocations = ['=,']
self.assertRaisesRegex(
ValueError,
'2 is required',
allocation.parse_allocations, allocations)
allocations = ['abc=155']
self.assertRaisesRegex(
ValueError,
'Incorrect allocation',
allocation.parse_allocations, allocations)
allocations = ['abc=155,xyz=999']
self.assertRaisesRegex(
ValueError,
'parameter is required',
allocation.parse_allocations, allocations)
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