67 lines
2.5 KiB
Python
67 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 nova.compute import power_state
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from nova import test
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from nova.tests.unit.virt.libvirt import fakelibvirt
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from nova.virt.libvirt import compat
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from nova.virt.libvirt import host
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class CompatTestCase(test.NoDBTestCase):
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def setUp(self):
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super(CompatTestCase, self).setUp()
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self.useFixture(fakelibvirt.FakeLibvirtFixture())
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@mock.patch.object(host.Host, 'has_min_version')
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def test_get_domain_info(self, mock_has_min_version):
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test_host = host.Host("qemu:///system")
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domain = mock.MagicMock()
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expected = [power_state.RUNNING, 512, 512, None, None]
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race = fakelibvirt.make_libvirtError(
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fakelibvirt.libvirtError,
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'ERR',
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error_code=fakelibvirt.VIR_ERR_OPERATION_FAILED,
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error_message='cannot read cputime for domain')
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mock_has_min_version.return_value = True
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domain.info.return_value = expected
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actual = compat.get_domain_info(fakelibvirt, test_host, domain)
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self.assertEqual(actual, expected)
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self.assertEqual(domain.info.call_count, 1)
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domain.info.reset_mock()
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domain.info.side_effect = race
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self.assertRaises(fakelibvirt.libvirtError,
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compat.get_domain_info,
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fakelibvirt, test_host, domain)
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self.assertEqual(domain.info.call_count, 1)
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domain.info.reset_mock()
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mock_has_min_version.return_value = False
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domain.info.side_effect = [race, expected]
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actual = compat.get_domain_info(fakelibvirt, test_host, domain)
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self.assertEqual(actual, expected)
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self.assertEqual(domain.info.call_count, 2)
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domain.info.reset_mock()
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domain.info.side_effect = race
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self.assertRaises(fakelibvirt.libvirtError,
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compat.get_domain_info,
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fakelibvirt, test_host, domain)
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self.assertEqual(domain.info.call_count, 2)
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