def RunShardedTests(self):
"""Runs the tests in all connected devices.
Returns:
A TestResults object.
"""
logging.warning('*' * 80)
logging.warning('Sharding in ' + str(len(self.attached_devices)) +
' devices.')
logging.warning('Note that the output is not synchronized.')
logging.warning('Look for the "Final result" banner in the end.')
logging.warning('*' * 80)
final_results = TestResults()
for retry in xrange(self.retries):
logging.warning('Try %d of %d', retry + 1, self.retries)
self.SetupSharding(self.tests)
test_runners = []
for index, device in enumerate(self.attached_devices):
logging.warning('*' * 80)
logging.warning('Creating shard %d for %s', index, device)
logging.warning('*' * 80)
test_runner = self.CreateShardedTestRunner(device, index)
test_runners += [test_runner]
logging.warning('Starting...')
pool = multiprocessing.Pool(len(self.attached_devices),
SetTestsContainer,
[BaseTestSharder.tests_container])
# map can't handle KeyboardInterrupt exception. It's a python bug.
# So use map_async instead.
async_results = pool.map_async(_ShardedTestRunnable, test_runners)
results_lists = async_results.get(999999)
test_results = TestResults.FromTestResults(results_lists)
# Re-check the attached devices for some devices may
# become offline
retry_devices = set(android_commands.GetAttachedDevices())
# Remove devices that had exceptions.
retry_devices -= TestResults.DeviceExceptions(results_lists)
# Retry on devices that didn't have any exception.
self.attached_devices = list(retry_devices)
if (retry == self.retries - 1 or len(self.attached_devices) == 0):
all_passed = final_results.ok + test_results.ok
final_results = test_results
final_results.ok = all_passed
break
else:
final_results.ok += test_results.ok
self.tests = []
for t in test_results.GetAllBroken():
self.tests += [t.name]
if not self.tests:
break
self.OnTestsCompleted(test_runners, final_results)
return final_results
def RunShardedTests(self):
"""Runs the tests in all connected devices.
Returns:
A TestResults object.
"""
logging.warning('*' * 80)
logging.warning('Sharding in ' + str(len(self.attached_devices)) +
' devices.')
logging.warning('Note that the output is not synchronized.')
logging.warning('Look for the "Final result" banner in the end.')
logging.warning('*' * 80)
final_results = TestResults()
self._KillHostForwarder()
for retry in xrange(self.retries):
logging.warning('Try %d of %d', retry + 1, self.retries)
self.SetupSharding(self.tests)
test_runners = []
# Try to create N shards, and retrying on failure.
try:
for index, device in enumerate(self.attached_devices):
logging.warning('*' * 80)
logging.warning('Creating shard %d for %s', index, device)
logging.warning('*' * 80)
test_runner = self.CreateShardedTestRunner(device, index)
test_runners += [test_runner]
except errors.DeviceUnresponsiveError as e:
logging.critical('****Failed to create a shard: [%s]', e)
self.attached_devices.remove(device)
continue
logging.warning('Starting...')
pool = multiprocessing.Pool(len(self.attached_devices),
SetTestsContainer,
[BaseTestSharder.tests_container])
# map can't handle KeyboardInterrupt exception. It's a python bug.
# So use map_async instead.
async_results = pool.map_async(_ShardedTestRunnable, test_runners)
try:
results_lists = async_results.get(999999)
except errors.DeviceUnresponsiveError as e:
logging.critical('****Failed to run test: [%s]', e)
self.attached_devices = android_commands.GetAttachedDevices()
continue
test_results = TestResults.FromTestResults(results_lists)
# Re-check the attached devices for some devices may
# become offline
retry_devices = set(android_commands.GetAttachedDevices())
# Remove devices that had exceptions.
retry_devices -= TestResults.DeviceExceptions(results_lists)
# Retry on devices that didn't have any exception.
self.attached_devices = list(retry_devices)
if (retry == self.retries - 1 or len(self.attached_devices) == 0):
all_passed = final_results.ok + test_results.ok
final_results = test_results
final_results.ok = all_passed
break
else:
final_results.ok += test_results.ok
self.tests = []
for t in test_results.GetAllBroken():
self.tests += [t.name]
if not self.tests:
break
else:
# We ran out retries, possibly out of healthy devices.
# There's no recovery at this point.
raise Exception('Unrecoverable error while retrying test runs.')
self.OnTestsCompleted(test_runners, final_results)
self._KillHostForwarder()
return final_results
