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jmeter_cluster_test.py
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#!/usr/bin/env python
# Copyright 2013 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unit tests for jmeter_cluster.py command line tool."""
import argparse
import os
import unittest
import mock
from jmeter_cluster import JMeterCluster
from jmeter_cluster import JMeterExecuter
class JMeterClusterTest(unittest.TestCase):
"""Unit tests for JMeterCluster."""
def setUp(self):
self.mock_gce_api_constructor = mock.patch(
'jmeter_cluster.GceApi').start()
self.mock_gce_api = self.mock_gce_api_constructor.return_value
self.mock_set_port_forward = mock.patch(
'jmeter_cluster.JMeterCluster.SetPortForward').start()
self.mock_subprocess_call = mock.patch(
'subprocess.call', return_value=0).start()
def tearDown(self):
mock.patch.stopall()
def testStart(self):
self.mock_gce_api.GetInstance.return_value = {'status': 'RUNNING'}
param = argparse.Namespace(size=3, prefix='foo')
cluster = JMeterCluster(param)
cluster.Start()
self.assertEqual(1, self.mock_gce_api_constructor.call_count)
self.assertEqual(
3, self.mock_gce_api.CreateInstanceWithNewBootDisk.call_count)
self.assertEqual(
'foo-000',
self.mock_gce_api.CreateInstanceWithNewBootDisk.call_args_list[0][0][0])
self.assertEqual(
'foo-001',
self.mock_gce_api.CreateInstanceWithNewBootDisk.call_args_list[1][0][0])
self.assertEqual(
'foo-002',
self.mock_gce_api.CreateInstanceWithNewBootDisk.call_args_list[2][0][0])
self.assertEqual(3, self.mock_gce_api.GetInstance.call_count)
self.assertEqual(3, self.mock_subprocess_call.call_count)
def testShutdown(self):
instance_list = [
[
{'name': 'bar-000'},
{'name': 'bar-001'},
{'name': 'bar-002'},
{'name': 'bar-003'},
{'name': 'bar-004'}
],
[]
]
self.mock_gce_api.ListInstances.side_effect = instance_list
self.mock_gce_api.ListDisks.side_effect = instance_list
# Return value of None indicates the resource (instance or disk) doesn't
# exist.
self.mock_gce_api.GetInstance.return_value = None
self.mock_gce_api.GetDisk.return_value = None
param = argparse.Namespace(prefix='bar')
cluster = JMeterCluster(param)
cluster.ShutDown()
self.assertEqual(1, self.mock_gce_api_constructor.call_count)
self.assertEqual(2, self.mock_gce_api.ListInstances.call_count)
self.mock_gce_api.ListInstances.assert_called_with('name eq ^bar-.*')
self.assertEqual(5, self.mock_gce_api.DeleteInstance.call_count)
self.assertEqual('bar-000',
self.mock_gce_api.DeleteInstance.call_args_list[0][0][0])
self.assertEqual('bar-001',
self.mock_gce_api.DeleteInstance.call_args_list[1][0][0])
self.assertEqual('bar-002',
self.mock_gce_api.DeleteInstance.call_args_list[2][0][0])
self.assertEqual('bar-003',
self.mock_gce_api.DeleteInstance.call_args_list[3][0][0])
self.assertEqual('bar-004',
self.mock_gce_api.DeleteInstance.call_args_list[4][0][0])
self.assertEqual(5, self.mock_gce_api.DeleteDisk.call_count)
self.assertEqual('bar-000',
self.mock_gce_api.DeleteDisk.call_args_list[0][0][0])
self.assertEqual('bar-001',
self.mock_gce_api.DeleteDisk.call_args_list[1][0][0])
self.assertEqual('bar-002',
self.mock_gce_api.DeleteDisk.call_args_list[2][0][0])
self.assertEqual('bar-003',
self.mock_gce_api.DeleteDisk.call_args_list[3][0][0])
self.assertEqual('bar-004',
self.mock_gce_api.DeleteDisk.call_args_list[4][0][0])
class JMeterClusterExecuterTest(unittest.TestCase):
"""Unit tests for JMeterExecuter."""
def setUp(self):
self.mock_cluster_constructor = mock.patch(
'jmeter_cluster.JMeterCluster').start()
self.mock_cluster = self.mock_cluster_constructor.return_value
self.mock_run_client = mock.patch(
'jmeter_cluster.JMeterFiles.RunJmeterClient').start()
def tearDown(self):
mock.patch.stopall()
def testStart(self):
JMeterExecuter().ParseArgumentsAndExecute(['start'])
self.assertEqual(1, self.mock_cluster_constructor.call_count)
self.mock_cluster.Start.assert_called_once_with()
param = self.mock_cluster_constructor.call_args_list[0][0][0]
self.assertRegexpMatches(param.prefix, '^%s-jmeter' % os.environ['USER'])
def testStartWithPrefix(self):
JMeterExecuter().ParseArgumentsAndExecute(['start', '--prefix', 'abc'])
self.assertEqual(1, self.mock_cluster_constructor.call_count)
self.mock_cluster.Start.assert_called_once_with()
param = self.mock_cluster_constructor.call_args_list[0][0][0]
self.assertEqual('abc', param.prefix)
def testStartWithSize(self):
JMeterExecuter().ParseArgumentsAndExecute([
'start', '10', '--prefix', 'abc', '--project', 'xyz'])
self.assertEqual(1, self.mock_cluster_constructor.call_count)
self.mock_cluster.Start.assert_called_once_with()
param = self.mock_cluster_constructor.call_args_list[0][0][0]
self.assertEqual('abc', param.prefix)
self.assertEqual('xyz', param.project)
self.assertEqual(10, param.size)
def testClient(self):
JMeterExecuter().ParseArgumentsAndExecute([
'client'])
self.mock_run_client.assert_called_once_with()
def testClientWithParams(self):
JMeterExecuter().ParseArgumentsAndExecute([
'client', '--additional', 'parameters'])
self.mock_run_client.assert_called_once_with('--additional', 'parameters')
def testShutDown(self):
JMeterExecuter().ParseArgumentsAndExecute(['shutdown'])
self.assertEqual(1, self.mock_cluster_constructor.call_count)
self.mock_cluster.ShutDown.assert_called_once_with()
def testShutDownWithParams(self):
JMeterExecuter().ParseArgumentsAndExecute([
'shutdown', '--prefix', 'abc', '--project', 'xyz'])
self.assertEqual(1, self.mock_cluster_constructor.call_count)
self.mock_cluster.ShutDown.assert_called_once_with()
param = self.mock_cluster_constructor.call_args_list[0][0][0]
self.assertEqual('abc', param.prefix)
self.assertEqual('xyz', param.project)
if __name__ == '__main__':
unittest.main()