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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""This contains the unit tests for the new Crosperf task scheduler."""
from __future__ import print_function
import functools
import io
import unittest
import unittest.mock as mock
import benchmark_run
import test_flag
from experiment_factory import ExperimentFactory
from experiment_file import ExperimentFile
from cros_utils.command_executer import CommandExecuter
from experiment_runner_unittest import FakeLogger
from schedv2 import Schedv2
EXPERIMENT_FILE_1 = """\
board: daisy
remote: chromeos-daisy1.cros chromeos-daisy2.cros
locks_dir: /tmp
benchmark: kraken {
suite: telemetry_Crosperf
iterations: 3
}
image1 {
chromeos_image: /chromeos/src/build/images/daisy/latest/cros_image1.bin
remote: chromeos-daisy3.cros
}
image2 {
chromeos_image: /chromeos/src/build/imaages/daisy/latest/cros_image2.bin
remote: chromeos-daisy4.cros chromeos-daisy5.cros
}
"""
EXPERIMENT_FILE_WITH_FORMAT = """\
board: daisy
remote: chromeos-daisy1.cros chromeos-daisy2.cros
locks_dir: /tmp
benchmark: kraken {{
suite: telemetry_Crosperf
iterations: {kraken_iterations}
}}
image1 {{
chromeos_image: /chromeos/src/build/images/daisy/latest/cros_image1.bin
remote: chromeos-daisy3.cros
}}
image2 {{
chromeos_image: /chromeos/src/build/imaages/daisy/latest/cros_image2.bin
remote: chromeos-daisy4.cros chromeos-daisy5.cros
}}
"""
class Schedv2Test(unittest.TestCase):
"""Class for setting up and running the unit tests."""
def setUp(self):
self.exp = None
mock_logger = FakeLogger()
mock_cmd_exec = mock.Mock(spec=CommandExecuter)
@mock.patch('benchmark_run.BenchmarkRun', new=benchmark_run.MockBenchmarkRun)
def _make_fake_experiment(self, expstr):
"""Create fake experiment from string.
Note - we mock out BenchmarkRun in this step.
"""
experiment_file = ExperimentFile(io.StringIO(expstr))
experiment = ExperimentFactory().GetExperiment(
experiment_file, working_directory='', log_dir='')
return experiment
def test_remote(self):
"""Test that remotes in labels are aggregated into experiment.remote."""
self.exp = self._make_fake_experiment(EXPERIMENT_FILE_1)
self.exp.log_level = 'verbose'
my_schedv2 = Schedv2(self.exp)
self.assertFalse(my_schedv2.is_complete())
self.assertIn('chromeos-daisy1.cros', self.exp.remote)
self.assertIn('chromeos-daisy2.cros', self.exp.remote)
self.assertIn('chromeos-daisy3.cros', self.exp.remote)
self.assertIn('chromeos-daisy4.cros', self.exp.remote)
self.assertIn('chromeos-daisy5.cros', self.exp.remote)
def test_unreachable_remote(self):
"""Test unreachable remotes are removed from experiment and label."""
def MockIsReachable(cm):
return (cm.name != 'chromeos-daisy3.cros' and
cm.name != 'chromeos-daisy5.cros')
with mock.patch(
'machine_manager.MockCrosMachine.IsReachable', new=MockIsReachable):
self.exp = self._make_fake_experiment(EXPERIMENT_FILE_1)
self.assertIn('chromeos-daisy1.cros', self.exp.remote)
self.assertIn('chromeos-daisy2.cros', self.exp.remote)
self.assertNotIn('chromeos-daisy3.cros', self.exp.remote)
self.assertIn('chromeos-daisy4.cros', self.exp.remote)
self.assertNotIn('chromeos-daisy5.cros', self.exp.remote)
for l in self.exp.labels:
if l.name == 'image2':
self.assertNotIn('chromeos-daisy5.cros', l.remote)
self.assertIn('chromeos-daisy4.cros', l.remote)
elif l.name == 'image1':
self.assertNotIn('chromeos-daisy3.cros', l.remote)
@mock.patch('schedv2.BenchmarkRunCacheReader')
def test_BenchmarkRunCacheReader_1(self, reader):
"""Test benchmarkrun set is split into 5 segments."""
self.exp = self._make_fake_experiment(
EXPERIMENT_FILE_WITH_FORMAT.format(kraken_iterations=9))
my_schedv2 = Schedv2(self.exp)
self.assertFalse(my_schedv2.is_complete())
# We have 9 * 2 == 18 brs, we use 5 threads, each reading 4, 4, 4,
# 4, 2 brs respectively.
# Assert that BenchmarkRunCacheReader() is called 5 times.
self.assertEqual(reader.call_count, 5)
# reader.call_args_list[n] - nth call.
# reader.call_args_list[n][0] - positioned args in nth call.
# reader.call_args_list[n][0][1] - the 2nd arg in nth call,
# that is 'br_list' in 'schedv2.BenchmarkRunCacheReader'.
self.assertEqual(len(reader.call_args_list[0][0][1]), 4)
self.assertEqual(len(reader.call_args_list[1][0][1]), 4)
self.assertEqual(len(reader.call_args_list[2][0][1]), 4)
self.assertEqual(len(reader.call_args_list[3][0][1]), 4)
self.assertEqual(len(reader.call_args_list[4][0][1]), 2)
@mock.patch('schedv2.BenchmarkRunCacheReader')
def test_BenchmarkRunCacheReader_2(self, reader):
"""Test benchmarkrun set is split into 4 segments."""
self.exp = self._make_fake_experiment(
EXPERIMENT_FILE_WITH_FORMAT.format(kraken_iterations=8))
my_schedv2 = Schedv2(self.exp)
self.assertFalse(my_schedv2.is_complete())
# We have 8 * 2 == 16 brs, we use 4 threads, each reading 4 brs.
self.assertEqual(reader.call_count, 4)
self.assertEqual(len(reader.call_args_list[0][0][1]), 4)
self.assertEqual(len(reader.call_args_list[1][0][1]), 4)
self.assertEqual(len(reader.call_args_list[2][0][1]), 4)
self.assertEqual(len(reader.call_args_list[3][0][1]), 4)
@mock.patch('schedv2.BenchmarkRunCacheReader')
def test_BenchmarkRunCacheReader_3(self, reader):
"""Test benchmarkrun set is split into 2 segments."""
self.exp = self._make_fake_experiment(
EXPERIMENT_FILE_WITH_FORMAT.format(kraken_iterations=3))
my_schedv2 = Schedv2(self.exp)
self.assertFalse(my_schedv2.is_complete())
# We have 3 * 2 == 6 brs, we use 2 threads.
self.assertEqual(reader.call_count, 2)
self.assertEqual(len(reader.call_args_list[0][0][1]), 3)
self.assertEqual(len(reader.call_args_list[1][0][1]), 3)
@mock.patch('schedv2.BenchmarkRunCacheReader')
def test_BenchmarkRunCacheReader_4(self, reader):
"""Test benchmarkrun set is not splitted."""
self.exp = self._make_fake_experiment(
EXPERIMENT_FILE_WITH_FORMAT.format(kraken_iterations=1))
my_schedv2 = Schedv2(self.exp)
self.assertFalse(my_schedv2.is_complete())
# We have 1 * 2 == 2 br, so only 1 instance.
self.assertEqual(reader.call_count, 1)
self.assertEqual(len(reader.call_args_list[0][0][1]), 2)
def test_cachehit(self):
"""Test cache-hit and none-cache-hit brs are properly organized."""
def MockReadCache(br):
br.cache_hit = (br.label.name == 'image2')
with mock.patch(
'benchmark_run.MockBenchmarkRun.ReadCache', new=MockReadCache):
# We have 2 * 30 brs, half of which are put into _cached_br_list.
self.exp = self._make_fake_experiment(
EXPERIMENT_FILE_WITH_FORMAT.format(kraken_iterations=30))
my_schedv2 = Schedv2(self.exp)
self.assertEqual(len(my_schedv2.get_cached_run_list()), 30)
# The non-cache-hit brs are put into Schedv2._label_brl_map.
self.assertEqual(
functools.reduce(lambda a, x: a + len(x[1]),
my_schedv2.get_label_map().items(), 0), 30)
def test_nocachehit(self):
"""Test no cache-hit."""
def MockReadCache(br):
br.cache_hit = False
with mock.patch(
'benchmark_run.MockBenchmarkRun.ReadCache', new=MockReadCache):
# We have 2 * 30 brs, none of which are put into _cached_br_list.
self.exp = self._make_fake_experiment(
EXPERIMENT_FILE_WITH_FORMAT.format(kraken_iterations=30))
my_schedv2 = Schedv2(self.exp)
self.assertEqual(len(my_schedv2.get_cached_run_list()), 0)
# The non-cache-hit brs are put into Schedv2._label_brl_map.
self.assertEqual(
functools.reduce(lambda a, x: a + len(x[1]),
my_schedv2.get_label_map().items(), 0), 60)
if __name__ == '__main__':
test_flag.SetTestMode(True)
unittest.main()