6f77240c02
first stage of moving to full pep8 compliance Change-Id: I4626a0949da5b9c49776d1e16cb9ebb49b4e6723
76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 eNovance <licensing@enovance.com>
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# Copyright © 2012 Red Hat, Inc
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#
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# Author: Julien Danjou <julien@danjou.info>
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# Author: Eoghan Glynn <eglynn@redhat.com>
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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 mock
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from ceilometer.compute import manager
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from ceilometer.compute.pollsters import disk
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from ceilometer.compute.virt import inspector as virt_inspector
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from ceilometer.tests.compute.pollsters import base
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class TestDiskPollsters(base.TestPollsterBase):
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DISKS = [
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(virt_inspector.Disk(device='vda'),
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virt_inspector.DiskStats(read_bytes=1L, read_requests=2L,
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write_bytes=3L, write_requests=4L,
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errors=-1L))
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]
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def setUp(self):
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super(TestDiskPollsters, self).setUp()
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self.inspector.inspect_disks = mock.Mock(return_value=self.DISKS)
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def _check_get_samples(self, factory, name, expected_volume):
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pollster = factory()
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mgr = manager.AgentManager()
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cache = {}
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samples = list(pollster.get_samples(mgr, cache, self.instance))
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assert samples
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self.assertIn(pollster.CACHE_KEY_DISK, cache)
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self.assertIn(self.instance.name, cache[pollster.CACHE_KEY_DISK])
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self.assertEqual(set([s.name for s in samples]),
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set([name]))
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match = [s for s in samples if s.name == name]
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self.assertEqual(len(match), 1, 'missing counter %s' % name)
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self.assertEqual(match[0].volume, expected_volume)
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self.assertEqual(match[0].type, 'cumulative')
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def test_disk_read_requests(self):
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self._check_get_samples(disk.ReadRequestsPollster,
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'disk.read.requests', 2L)
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def test_disk_read_bytes(self):
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self._check_get_samples(disk.ReadBytesPollster,
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'disk.read.bytes', 1L)
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def test_disk_write_requests(self):
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self._check_get_samples(disk.WriteRequestsPollster,
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'disk.write.requests', 4L)
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def test_disk_write_bytes(self):
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self._check_get_samples(disk.WriteBytesPollster,
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'disk.write.bytes', 3L)
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