59 lines
2.5 KiB
Python
59 lines
2.5 KiB
Python
# 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 oslo_utils.fixture import uuidsentinel as uuids
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from nova.compute import api as compute_api
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from nova import context as nova_context
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from nova import exception
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from nova import objects
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from nova import test
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from nova.tests import fixtures as nova_fixtures
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class ComputeAPITestCase(test.NoDBTestCase):
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USES_DB_SELF = True
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def setUp(self):
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super(ComputeAPITestCase, self).setUp()
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self.useFixture(nova_fixtures.Database(database='api'))
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@mock.patch('nova.objects.instance_mapping.InstanceMapping.create')
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def test_reqspec_buildreq_instmapping_single_transaction(self,
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mock_create):
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# Simulate a DBError during an INSERT by raising an exception from the
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# InstanceMapping.create method.
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mock_create.side_effect = test.TestingException('oops')
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ctxt = nova_context.RequestContext('fake-user', 'fake-project')
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rs = objects.RequestSpec(context=ctxt, instance_uuid=uuids.inst)
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# project_id and instance cannot be None
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br = objects.BuildRequest(context=ctxt, instance_uuid=uuids.inst,
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project_id=ctxt.project_id,
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instance=objects.Instance())
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im = objects.InstanceMapping(context=ctxt, instance_uuid=uuids.inst)
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self.assertRaises(
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test.TestingException,
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compute_api.API._create_reqspec_buildreq_instmapping, ctxt, rs, br,
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im)
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# Since the instance mapping failed to INSERT, we should not have
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# written a request spec record or a build request record.
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self.assertRaises(
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exception.RequestSpecNotFound,
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objects.RequestSpec.get_by_instance_uuid, ctxt, uuids.inst)
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self.assertRaises(
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exception.BuildRequestNotFound,
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objects.BuildRequest.get_by_instance_uuid, ctxt, uuids.inst)
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