84 lines
3.6 KiB
Python
84 lines
3.6 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 nova import objects
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from nova.pci import stats
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from nova.scheduler.filters import pci_passthrough_filter
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from nova import test
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from nova.tests.unit.scheduler import fakes
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class TestPCIPassthroughFilter(test.NoDBTestCase):
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def setUp(self):
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super(TestPCIPassthroughFilter, self).setUp()
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self.filt_cls = pci_passthrough_filter.PciPassthroughFilter()
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def test_pci_passthrough_pass(self):
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pci_stats_mock = mock.MagicMock()
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pci_stats_mock.support_requests.return_value = True
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request = objects.InstancePCIRequest(count=1,
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spec=[{'vendor_id': '8086'}])
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requests = objects.InstancePCIRequests(requests=[request])
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spec_obj = objects.RequestSpec(pci_requests=requests)
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host = fakes.FakeHostState(
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'host1', 'node1',
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attribute_dict={'pci_stats': pci_stats_mock})
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self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
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pci_stats_mock.support_requests.assert_called_once_with(
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requests.requests)
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def test_pci_passthrough_fail(self):
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pci_stats_mock = mock.MagicMock()
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pci_stats_mock.support_requests.return_value = False
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request = objects.InstancePCIRequest(count=1,
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spec=[{'vendor_id': '8086'}])
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requests = objects.InstancePCIRequests(requests=[request])
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spec_obj = objects.RequestSpec(pci_requests=requests)
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host = fakes.FakeHostState(
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'host1', 'node1',
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attribute_dict={'pci_stats': pci_stats_mock})
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self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
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pci_stats_mock.support_requests.assert_called_once_with(
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requests.requests)
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def test_pci_passthrough_no_pci_request(self):
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spec_obj = objects.RequestSpec(pci_requests=None)
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host = fakes.FakeHostState('h1', 'n1', {})
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self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
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def test_pci_passthrough_empty_pci_request_obj(self):
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requests = objects.InstancePCIRequests(requests=[])
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spec_obj = objects.RequestSpec(pci_requests=requests)
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host = fakes.FakeHostState('h1', 'n1', {})
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self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
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def test_pci_passthrough_no_pci_stats(self):
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request = objects.InstancePCIRequest(count=1,
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spec=[{'vendor_id': '8086'}])
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requests = objects.InstancePCIRequests(requests=[request])
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spec_obj = objects.RequestSpec(pci_requests=requests)
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host = fakes.FakeHostState('host1', 'node1',
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attribute_dict={'pci_stats': stats.PciDeviceStats()})
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self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
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def test_pci_passthrough_with_pci_stats_none(self):
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request = objects.InstancePCIRequest(count=1,
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spec=[{'vendor_id': '8086'}])
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requests = objects.InstancePCIRequests(requests=[request])
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spec_obj = objects.RequestSpec(pci_requests=requests)
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host = fakes.FakeHostState('host1', 'node1',
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attribute_dict={'pci_stats': None})
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self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
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