def testConstrainedNetworkPerf(self):
"""Starts CNS, spins up worker threads to run through _TEST_CONSTRAINTS."""
# Run a dummy test to avoid Chrome/CNS startup overhead.
logging.debug(
'Starting a dummy test to avoid Chrome/CNS startup overhead.')
self._RunDummyTest(_TEST_HTML_PATH)
logging.debug('Dummy test has finished. Starting real perf tests.')
# Spin up CNS worker threads.
tasks = cns_test_base.CreateCNSPerfTasks(_TESTS_TO_RUN, _TEST_VIDEOS)
worker_thread.RunWorkerThreads(self, CNSWorkerThread, tasks,
_TEST_THREADS, _TEST_HTML_PATH)
def _RunDummyTest(self, test_path):
"""Runs a dummy test with high bandwidth and no latency or packet loss.
Fails the unit test if the dummy test does not end.
Args:
test_path: Path to HTML/JavaScript test code.
"""
tasks = Queue.Queue()
tasks.put(('Dummy Test', [5000, 0, 0], (_TEST_MEDIA_EPP[0], True)))
# Dummy test should successfully finish by passing all the tests.
if worker_thread.RunWorkerThreads(self, CNSWorkerThread, tasks, 1,
test_path):
self.fail('Failed to run dummy test.')
def testConstrainedNetworkPerf(self):
"""Starts CNS, spins up worker threads to run through _TEST_CONSTRAINTS."""
# Run a dummy test to avoid Chrome/CNS startup overhead.
logging.debug(
'Starting a dummy test to avoid Chrome/CNS startup overhead.')
self._RunDummyTest(_TEST_HTML_PATH)
logging.debug('Dummy test has finished. Starting real perf tests.')
# Tests that wait for EPP metrics.
media_files = [(name, True) for name in _TEST_MEDIA_EPP]
media_files.extend((name, False) for name in _TEST_MEDIA_NO_EPP)
tasks = cns_test_base.CreateCNSPerfTasks(_TESTS_TO_RUN, media_files)
if worker_thread.RunWorkerThreads(self, CNSWorkerThread, tasks,
_TEST_THREADS, _TEST_HTML_PATH):
self.fail('Some tests failed to run as expected.')
def testMediaSeekPerformance(self):
"""Launches HTML test which plays each video and records seek stats."""
tasks = cns_test_base.CreateCNSPerfTasks(_TESTS_TO_RUN, _TEST_VIDEOS)
if worker_thread.RunWorkerThreads(self, SeekWorkerThread, tasks,
_TEST_THREADS, _TEST_HTML_PATH):
self.fail('Some tests failed to run as expected.')