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# Copyright (C) 2012 Google Inc. All rights reserved.
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import StringIO
import json
import math
import unittest2 as unittest
from webkitpy.common.host_mock import MockHost
from webkitpy.common.system.outputcapture import OutputCapture
from webkitpy.layout_tests.port.driver import DriverOutput
from webkitpy.layout_tests.port.test import TestDriver
from webkitpy.layout_tests.port.test import TestPort
from webkitpy.performance_tests.perftest import ChromiumStylePerfTest
from webkitpy.performance_tests.perftest import PerfTest
from webkitpy.performance_tests.perftest import PerfTestMetric
from webkitpy.performance_tests.perftest import PerfTestFactory
from webkitpy.performance_tests.perftest import ReplayPerfTest
from webkitpy.performance_tests.perftest import SingleProcessPerfTest
class MockPort(TestPort):
def __init__(self, custom_run_test=None):
super(MockPort, self).__init__(host=MockHost(), custom_run_test=custom_run_test)
class TestPerfTestMetric(unittest.TestCase):
def test_init_set_missing_unit(self):
self.assertEqual(PerfTestMetric('Time', iterations=[1, 2, 3, 4, 5]).unit(), 'ms')
self.assertEqual(PerfTestMetric('Malloc', iterations=[1, 2, 3, 4, 5]).unit(), 'bytes')
self.assertEqual(PerfTestMetric('JSHeap', iterations=[1, 2, 3, 4, 5]).unit(), 'bytes')
def test_init_set_time_metric(self):
self.assertEqual(PerfTestMetric('Time', 'ms').name(), 'Time')
self.assertEqual(PerfTestMetric('Time', 'fps').name(), 'FrameRate')
self.assertEqual(PerfTestMetric('Time', 'runs/s').name(), 'Runs')
def test_has_values(self):
self.assertFalse(PerfTestMetric('Time').has_values())
self.assertTrue(PerfTestMetric('Time', iterations=[1]).has_values())
def test_append(self):
metric = PerfTestMetric('Time')
metric2 = PerfTestMetric('Time')
self.assertFalse(metric.has_values())
self.assertFalse(metric2.has_values())
metric.append_group([1])
self.assertTrue(metric.has_values())
self.assertFalse(metric2.has_values())
self.assertEqual(metric.grouped_iteration_values(), [[1]])
self.assertEqual(metric.flattened_iteration_values(), [1])
metric.append_group([2])
self.assertEqual(metric.grouped_iteration_values(), [[1], [2]])
self.assertEqual(metric.flattened_iteration_values(), [1, 2])
metric2.append_group([3])
self.assertTrue(metric2.has_values())
self.assertEqual(metric.flattened_iteration_values(), [1, 2])
self.assertEqual(metric2.flattened_iteration_values(), [3])
metric.append_group([4, 5])
self.assertEqual(metric.grouped_iteration_values(), [[1], [2], [4, 5]])
self.assertEqual(metric.flattened_iteration_values(), [1, 2, 4, 5])
class TestPerfTest(unittest.TestCase):
def _assert_results_are_correct(self, test, output):
test.run_single = lambda driver, path, time_out_ms: output
self.assertTrue(test._run_with_driver(None, None))
self.assertEqual(test._metrics.keys(), ['Time'])
self.assertEqual(test._metrics['Time'].flattened_iteration_values(), [1080, 1120, 1095, 1101, 1104])
def test_parse_output(self):
output = DriverOutput("""
Running 20 times
Ignoring warm-up run (1115)
Time:
values 1080, 1120, 1095, 1101, 1104 ms
avg 1100 ms
median 1101 ms
stdev 14.50862 ms
min 1080 ms
max 1120 ms
""", image=None, image_hash=None, audio=None)
output_capture = OutputCapture()
output_capture.capture_output()
try:
test = PerfTest(MockPort(), 'some-test', '/path/some-dir/some-test')
self._assert_results_are_correct(test, output)
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, '')
def test_parse_output_with_failing_line(self):
output = DriverOutput("""
Running 20 times
Ignoring warm-up run (1115)
some-unrecognizable-line
Time:
values 1080, 1120, 1095, 1101, 1104 ms
avg 1100 ms
median 1101 ms
stdev 14.50862 ms
min 1080 ms
max 1120 ms
""", image=None, image_hash=None, audio=None)
output_capture = OutputCapture()
output_capture.capture_output()
try:
test = PerfTest(MockPort(), 'some-test', '/path/some-dir/some-test')
test.run_single = lambda driver, path, time_out_ms: output
self.assertFalse(test._run_with_driver(None, None))
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, 'ERROR: some-unrecognizable-line\n')
def test_parse_output_with_description(self):
output = DriverOutput("""
Description: this is a test description.
Running 20 times
Ignoring warm-up run (1115)
Time:
values 1080, 1120, 1095, 1101, 1104 ms
avg 1100 ms
median 1101 ms
stdev 14.50862 ms
min 1080 ms
max 1120 ms""", image=None, image_hash=None, audio=None)
test = PerfTest(MockPort(), 'some-test', '/path/some-dir/some-test')
self._assert_results_are_correct(test, output)
self.assertEqual(test.description(), 'this is a test description.')
def test_ignored_stderr_lines(self):
test = PerfTest(MockPort(), 'some-test', '/path/some-dir/some-test')
output_with_lines_to_ignore = DriverOutput('', image=None, image_hash=None, audio=None, error="""
Unknown option: --foo-bar
Should not be ignored
[WARNING:proxy_service.cc] bad moon a-rising
[WARNING:chrome.cc] Something went wrong
[INFO:SkFontHost_android.cpp(1158)] Use Test Config File Main /data/local/tmp/drt/android_main_fonts.xml, Fallback /data/local/tmp/drt/android_fallback_fonts.xml, Font Dir /data/local/tmp/drt/fonts/
[ERROR:main.cc] The sky has fallen""")
test._filter_output(output_with_lines_to_ignore)
self.assertEqual(output_with_lines_to_ignore.error,
"Should not be ignored\n"
"[WARNING:chrome.cc] Something went wrong\n"
"[ERROR:main.cc] The sky has fallen")
def test_parse_output_with_subtests(self):
output = DriverOutput("""
Running 20 times
some test: [1, 2, 3, 4, 5]
other test = else: [6, 7, 8, 9, 10]
Ignoring warm-up run (1115)
Time:
values 1080, 1120, 1095, 1101, 1104 ms
avg 1100 ms
median 1101 ms
stdev 14.50862 ms
min 1080 ms
max 1120 ms
""", image=None, image_hash=None, audio=None)
output_capture = OutputCapture()
output_capture.capture_output()
try:
test = PerfTest(MockPort(), 'some-test', '/path/some-dir/some-test')
self._assert_results_are_correct(test, output)
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, '')
class TestSingleProcessPerfTest(unittest.TestCase):
def test_use_only_one_process(self):
called = [0]
def run_single(driver, path, time_out_ms):
called[0] += 1
return DriverOutput("""
Running 20 times
Ignoring warm-up run (1115)
Time:
values 1080, 1120, 1095, 1101, 1104 ms
avg 1100 ms
median 1101 ms
stdev 14.50862 ms
min 1080 ms
max 1120 ms""", image=None, image_hash=None, audio=None)
test = SingleProcessPerfTest(MockPort(), 'some-test', '/path/some-dir/some-test')
test.run_single = run_single
self.assertTrue(test.run(0))
self.assertEqual(called[0], 1)
class TestReplayPerfTest(unittest.TestCase):
class ReplayTestPort(MockPort):
def __init__(self, custom_run_test=None):
class ReplayTestDriver(TestDriver):
def run_test(self, text_input, stop_when_done):
return custom_run_test(text_input, stop_when_done) if custom_run_test else None
self._custom_driver_class = ReplayTestDriver
super(self.__class__, self).__init__()
def _driver_class(self):
return self._custom_driver_class
class MockReplayServer(object):
def __init__(self, wait_until_ready=True):
self.wait_until_ready = lambda: wait_until_ready
def stop(self):
pass
def _add_file(self, port, dirname, filename, content=True):
port.host.filesystem.maybe_make_directory(dirname)
port.host.filesystem.write_binary_file(port.host.filesystem.join(dirname, filename), content)
def _setup_test(self, run_test=None):
test_port = self.ReplayTestPort(run_test)
self._add_file(test_port, '/path/some-dir', 'some-test.replay', 'http://some-test/')
test = ReplayPerfTest(test_port, 'some-test.replay', '/path/some-dir/some-test.replay')
test._start_replay_server = lambda archive, record: self.__class__.MockReplayServer()
return test, test_port
def test_run_single(self):
output_capture = OutputCapture()
output_capture.capture_output()
loaded_pages = []
def run_test(test_input, stop_when_done):
if test_input.test_name == test.force_gc_test:
loaded_pages.append(test_input)
return
if test_input.test_name != "about:blank":
self.assertEqual(test_input.test_name, 'http://some-test/')
loaded_pages.append(test_input)
self._add_file(port, '/path/some-dir', 'some-test.wpr', 'wpr content')
return DriverOutput('actual text', 'actual image', 'actual checksum',
audio=None, crash=False, timeout=False, error=False, test_time=12345)
test, port = self._setup_test(run_test)
test._archive_path = '/path/some-dir/some-test.wpr'
test._url = 'http://some-test/'
try:
driver = port.create_driver(worker_number=1, no_timeout=True)
output = test.run_single(driver, '/path/some-dir/some-test.replay', time_out_ms=100)
self.assertTrue(output)
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(len(loaded_pages), 2)
self.assertEqual(loaded_pages[0].test_name, test.force_gc_test)
self.assertEqual(loaded_pages[1].test_name, 'http://some-test/')
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, '')
self.assertEqual(port.host.filesystem.read_binary_file('/path/some-dir/some-test-actual.png'), 'actual image')
self.assertEqual(output.test_time, 12345)
def test_run_single_fails_without_webpagereplay(self):
output_capture = OutputCapture()
output_capture.capture_output()
test, port = self._setup_test()
test._start_replay_server = lambda archive, record: None
test._archive_path = '/path/some-dir.wpr'
test._url = 'http://some-test/'
try:
driver = port.create_driver(worker_number=1, no_timeout=True)
self.assertEqual(test.run_single(driver, '/path/some-dir/some-test.replay', time_out_ms=100), None)
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, "Web page replay didn't start.\n")
def test_run_with_driver_accumulates_results(self):
port = MockPort()
test, port = self._setup_test()
counter = [0]
def mock_run_signle(drive, path, timeout):
counter[0] += 1
return DriverOutput('some output', image=None, image_hash=None, audio=None, test_time=counter[0], measurements={})
test.run_single = mock_run_signle
output_capture = OutputCapture()
output_capture.capture_output()
try:
driver = port.create_driver(worker_number=1, no_timeout=True)
self.assertTrue(test._run_with_driver(driver, None))
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, '')
self.assertEqual(test._metrics.keys(), ['Time'])
self.assertEqual(test._metrics['Time'].flattened_iteration_values(), [float(i * 1000) for i in range(2, 7)])
def test_run_with_driver_accumulates_memory_results(self):
port = MockPort()
test, port = self._setup_test()
counter = [0]
def mock_run_signle(drive, path, timeout):
counter[0] += 1
return DriverOutput('some output', image=None, image_hash=None, audio=None, test_time=counter[0], measurements={'Malloc': 10, 'JSHeap': 5})
test.run_single = mock_run_signle
output_capture = OutputCapture()
output_capture.capture_output()
try:
driver = port.create_driver(worker_number=1, no_timeout=True)
self.assertTrue(test._run_with_driver(driver, None))
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, '')
metrics = test._metrics
self.assertEqual(sorted(metrics.keys()), ['JSHeap', 'Malloc', 'Time'])
self.assertEqual(metrics['Time'].flattened_iteration_values(), [float(i * 1000) for i in range(2, 7)])
self.assertEqual(metrics['Malloc'].flattened_iteration_values(), [float(10)] * 5)
self.assertEqual(metrics['JSHeap'].flattened_iteration_values(), [float(5)] * 5)
def test_prepare_fails_when_wait_until_ready_fails(self):
output_capture = OutputCapture()
output_capture.capture_output()
test, port = self._setup_test()
test._start_replay_server = lambda archive, record: self.__class__.MockReplayServer(wait_until_ready=False)
test._archive_path = '/path/some-dir.wpr'
test._url = 'http://some-test/'
try:
driver = port.create_driver(worker_number=1, no_timeout=True)
self.assertEqual(test.run_single(driver, '/path/some-dir/some-test.replay', time_out_ms=100), None)
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, "Web page replay didn't start.\n")
def test_prepare(self):
output_capture = OutputCapture()
output_capture.capture_output()
def run_test(test_input, stop_when_done):
self._add_file(port, '/path/some-dir', 'some-test.wpr', 'wpr content')
return DriverOutput('actual text', 'actual image', 'actual checksum',
audio=None, crash=False, timeout=False, error=False)
test, port = self._setup_test(run_test)
try:
self.assertTrue(test.prepare(time_out_ms=100))
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, 'Preparing replay for some-test.replay\nPrepared replay for some-test.replay\n')
self.assertEqual(port.host.filesystem.read_binary_file('/path/some-dir/some-test-expected.png'), 'actual image')
def test_prepare_calls_run_single(self):
output_capture = OutputCapture()
output_capture.capture_output()
called = [False]
def run_single(driver, url, time_out_ms, record):
self.assertTrue(record)
self.assertEqual(url, '/path/some-dir/some-test.wpr')
called[0] = True
return False
test, port = self._setup_test()
test.run_single = run_single
try:
self.assertFalse(test.prepare(time_out_ms=100))
finally:
actual_stdout, actual_stderr, actual_logs = output_capture.restore_output()
self.assertTrue(called[0])
self.assertEqual(test._archive_path, '/path/some-dir/some-test.wpr')
self.assertEqual(test._url, 'http://some-test/')
self.assertEqual(actual_stdout, '')
self.assertEqual(actual_stderr, '')
self.assertEqual(actual_logs, "Preparing replay for some-test.replay\nFailed to prepare a replay for some-test.replay\n")
class TestPerfTestFactory(unittest.TestCase):
def test_regular_test(self):
test = PerfTestFactory.create_perf_test(MockPort(), 'some-dir/some-test', '/path/some-dir/some-test')
self.assertEqual(test.__class__, PerfTest)
def test_inspector_test(self):
test = PerfTestFactory.create_perf_test(MockPort(), 'inspector/some-test', '/path/inspector/some-test')
self.assertEqual(test.__class__, ChromiumStylePerfTest)