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##############################################################################
# Copyright (c) 2016 EMC and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import os
from storperf.utilities.data_handler import DataHandler
import unittest
import mock
class MockGraphiteDB(object):
def __init__(self):
self.called = False
self.series = []
def fetch_averages(self, job_id):
self.called = True
return None
def fetch_series(self, job_id, timeframe):
return self.series
class DataHandlerTest(unittest.TestCase):
def setUp(self):
self.event_listeners = set()
self.data_handler = DataHandler()
self._terminated = False
self.args = None
self.start_time = 0
self.end_time = 1
self.metadata = {}
self.block_sizes = "1"
self.queue_depths = "1"
mock.job_id = "1"
self.job_db = mock
self.pushed = False
self.current_workload = None
pass
@property
def terminated(self):
return self._terminated
def push_results_to_db(self, *args):
self.pushed = True
pass
def terminate(self):
self._terminated = True
@mock.patch("time.time")
@mock.patch.dict(os.environ, {'TEST_DB_URL': 'mock'})
@mock.patch("storperf.db.graphite_db.GraphiteDB.fetch_series")
def test_lookup_prior_data(self, mock_graphite_db, mock_time):
self._terminated = False
expected = [[1480455910, 205.345],
[1480455920, 201.59],
[1480455930, 205.76],
[1480455970, 215.655],
[1480455980, 214.16],
[1480455990, 213.57],
[1480456030, 219.37],
[1480456040, 219.28],
[1480456050, 217.75]]
mock_graphite_db.return_value = expected
mock_time.return_value = expected[-1][0] + 10
self.current_workload = ("%s.%s.queue-depth.%s.block-size.%s" %
("job_id",
"rw",
8,
8192))
actual = self.data_handler._lookup_prior_data(self, 'read', 'iops')
self.assertEqual(expected, actual)
def test_short_sample(self):
series = [[1480455910, 205.345],
[1480455920, 201.59],
[1480455930, 205.76],
[1480455970, 215.655],
[1480455980, 214.16],
[1480455990, 213.57],
[1480456030, 219.37],
[1480456040, 219.28],
[1480456050, 217.75]]
actual = self.data_handler._evaluate_prior_data(series)
self.assertEqual(False, actual)
def test_long_not_steady_sample(self):
series = [[4804559100, 205345],
[4804559200, 20159],
[4804559300, 20576],
[4804560300, 21937],
[4804560400, 21928],
[4804560500, 21775]]
actual = self.data_handler._evaluate_prior_data(series)
self.assertEqual(False, actual)
def test_long_steady_sample(self):
series = [[4804559100, 205.345],
[4804559200, 201.59],
[4804559300, 205.76],
[4804560300, 219.37],
[4804560400, 219.28],
[4804560500, 217.75]]
actual = self.data_handler._evaluate_prior_data(series)
self.assertEqual(True, actual)
@mock.patch.dict(os.environ, {'TEST_DB_URL': 'mock'})
@mock.patch("storperf.db.test_results_db.push_results_to_db")
@mock.patch("storperf.utilities.data_handler.GraphiteDB")
def test_terminated_report(self, mock_graphite_db, mock_results_db):
self._terminated = True
mock_results_db.side_effect = self.push_results_to_db
mock_graphite_db.side_effect = MockGraphiteDB
self.data_handler.data_event(self)
self.assertEqual(True, self.pushed)
@mock.patch.dict(os.environ, {'TEST_DB_URL': 'mock'})
@mock.patch("time.time")
@mock.patch("storperf.db.test_results_db.push_results_to_db")
@mock.patch("storperf.db.graphite_db.GraphiteDB.fetch_series")
def test_non_terminated_report(self, mock_graphite_db, mock_results_db,
mock_time):
self._terminated = False
mock_results_db.side_effect = self.push_results_to_db
series = \
[[1480455910, 205.345],
[1480455920, 201.59],
[1480455930, 205.76],
[1480455970, 215.655],
[1480455980, 214.16],
[1480455990, 213.57],
[1480456030, 219.37],
[1480456040, 219.28],
[1480456050, 217.75]]
mock_graphite_db.return_value = series
mock_time.return_value = series[-1][0] + 10
expected_slope = 0.1185333530108134
expected_range = 17.78
expected_average = 212.49777777777774
self.current_workload = ("%s.%s.queue-depth.%s.block-size.%s" %
("job_id",
"rw",
8,
8192))
self.data_handler.data_event(self)
self.assertEqual(False, self.pushed)
self.assertEqual(False, self._terminated)
self.assertEqual(expected_slope, self.metadata['report_data']
['lat.mean']
['read']
['slope'])
self.assertEqual(expected_range, self.metadata['report_data']
['lat.mean']
['read']
['range'])
self.assertEqual(expected_average, self.metadata['report_data']
['lat.mean']
['read']
['average'])
self.assertEqual(series, self.metadata['report_data']
['lat.mean']
['read']
['series'])
@mock.patch.dict(os.environ, {'TEST_DB_URL': 'mock'})
@mock.patch("time.time")
@mock.patch("storperf.db.test_results_db.push_results_to_db")
@mock.patch("storperf.db.graphite_db.GraphiteDB.fetch_series")
def test_report_that_causes_termination(self,
mock_graphite_db,
mock_results_db,
mock_time):
self._terminated = False
mock_results_db.side_effect = self.push_results_to_db
series = [[4804559100, 205.345],
[4804559200, 201.59],
[4804559300, 205.76],
[4804560300, 219.37],
[4804560400, 219.28],
[4804560500, 217.75]]
mock_graphite_db.return_value = series
mock_time.return_value = 4804560500 + 10
expected_slope = 0.011830471529818998
expected_range = 17.78
expected_average = 211.51583333333335
self.current_workload = ("%s.%s.queue-depth.%s.block-size.%s" %
("job_id",
"rw",
8,
8192))
self.data_handler.data_event(self)
self.assertEqual(expected_slope, self.metadata['report_data']
['lat.mean']
['read']
['slope'])
self.assertEqual(expected_range, self.metadata['report_data']
['lat.mean']
['read']
['range'])
self.assertEqual(expected_average, self.metadata['report_data']
['lat.mean']
['read']
['average'])
self.assertEqual(series, self.metadata['report_data']
['lat.mean']
['read']
['series'])
self.assertEqual(True, self._terminated)
self.assertEqual(False, self.pushed)
self.assertEqual(True, self._terminated)
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