54 lines
2.2 KiB
Python
54 lines
2.2 KiB
Python
# Copyright 2013 Intel Corporation
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# All Rights Reserved.
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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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"""Tests for resource monitors."""
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import mock
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from nova.compute import monitors
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from nova import test
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class MonitorsTestCase(test.NoDBTestCase):
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"""Test case for monitors."""
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@mock.patch('stevedore.enabled.EnabledExtensionManager')
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def test_check_enabled_monitor(self, _mock_ext_manager):
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class FakeExt(object):
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def __init__(self, ept, name):
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self.entry_point_target = ept
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self.name = name
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# We check to ensure only one CPU monitor is loaded...
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self.flags(compute_monitors=['mon1', 'mon2'])
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handler = monitors.MonitorHandler(None)
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ext_cpu_mon1 = FakeExt('nova.compute.monitors.cpu.virt_driver:Monitor',
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'mon1')
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ext_cpu_mon2 = FakeExt('nova.compute.monitors.cpu.virt_driver:Monitor',
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'mon2')
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self.assertTrue(handler.check_enabled_monitor(ext_cpu_mon1))
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self.assertFalse(handler.check_enabled_monitor(ext_cpu_mon2))
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# We check to ensure that the auto-prefixing of the CPU
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# namespace is handled properly...
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self.flags(compute_monitors=['cpu.mon1', 'mon2'])
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handler = monitors.MonitorHandler(None)
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ext_cpu_mon1 = FakeExt('nova.compute.monitors.cpu.virt_driver:Monitor',
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'mon1')
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ext_cpu_mon2 = FakeExt('nova.compute.monitors.cpu.virt_driver:Monitor',
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'mon2')
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self.assertTrue(handler.check_enabled_monitor(ext_cpu_mon1))
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self.assertFalse(handler.check_enabled_monitor(ext_cpu_mon2))
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