113 lines
3.3 KiB
Python
113 lines
3.3 KiB
Python
# Copyright 2017, Kevin Carter <kevin@cloudnull.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for the KVM plugin."""
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import json
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import sys
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import unittest
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from click.testing import CliRunner
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from monitorstack.cli import cli
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import tests # Import the test base module
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def _runner(module):
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runner = CliRunner()
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result = runner.invoke(cli, ['-f', 'json', module])
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try:
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return json.loads(result.output)
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except Exception:
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return result.exception
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class LibvirtStub(object):
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"""Stubbed libvirt class."""
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class openReadOnly(object): # noqa
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"""Stubbed openReadOnly class."""
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def close(self, *args, **kwargs): # noqa
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pass
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def listDomainsID(self, *args, **kwargs): # noqa
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return ['a', 'b', 'c']
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def getCPUMap(self, *args, **kwargs): # noqa
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return [1, 1, 1]
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class lookupByID(object): # noqa
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"""Stubbed lookupByID class."""
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def __init__(self, *args, **kwargs): # noqa
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pass
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def maxVcpus(self): # noqa
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return 2
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class LibvirtStubFailed(object):
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"""Stubbed libvirt class."""
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class openReadOnly(object): # noqa
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"""Stubbed openReadOnly class."""
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def close(self, *args, **kwargs): # noqa
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pass
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def listDomainsID(self, *args, **kwargs): # noqa
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raise RuntimeError('Failed')
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class TestKvm(unittest.TestCase):
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"""Tests for the kvm monitor."""
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def setUp(self):
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"""Setup teardown."""
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self.orig_libvirt = sys.modules.pop('libvirt', None)
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sys.modules['libvirt'] = LibvirtStub()
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def tearDown(self):
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"""Teardown method."""
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if self.orig_libvirt:
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sys.modules['libvirt'] = self.orig_libvirt
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def test_run_success(self):
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"""Ensure the run() method works."""
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result = _runner('kvm')
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variables = result['variables']
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meta = result['meta']
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assert 'kvm_vms' in variables
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assert variables['kvm_vms'] == 3
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assert 'kvm_total_vcpus' in variables
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assert variables['kvm_total_vcpus'] == 1
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assert 'kvm_scheduled_vcpus' in variables
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assert variables['kvm_scheduled_vcpus'] == 6
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assert 'platform' in meta
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assert 'kvm_host_id' in meta
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assert result['exit_code'] == 0
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def test_run_failure_no_libvirt(self):
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"""Ensure the run() method works."""
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sys.modules.pop('libvirt', None)
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result = tests.runner('kvm')
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self.assertTrue(isinstance(result.exception, SystemExit))
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def test_run_failure(self):
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"""Ensure the run() method works."""
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sys.modules['libvirt'] = LibvirtStubFailed()
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result = tests.runner('kvm')
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assert result['measurement_name'] == 'kvm'
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assert result['exit_code'] == 1
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