def _ProcessResults(self, result, start_ms, duration_ms):
"""Translates a Java test result into a Python result for this test.
The TestRunner class that we use under the covers will return a test result
for that specific Java test. However, to make reporting clearer, we have
this method to abstract that detail and instead report that as a failure of
this particular test case while still including the Java stack trace.
Args:
result: TestResults with a single Java test result
start_ms: the time the test started
duration_ms: the length of the test
Returns:
A TestResults object containing a result for this Python test.
"""
test_results = TestResults()
# If our test is in broken, then it crashed/failed.
broken = result.GetAllBroken()
if broken:
# Since we have run only one test, take the first and only item.
single_result = broken[0]
log = single_result.log
if not log:
log = 'No logging information.'
short_error_msg = single_result.log.split('\n')[0]
# err_info is ostensibly for Sponge to consume; it's a short error
# message and a longer one.
err_info = (short_error_msg, log)
python_result = SingleTestResult(self.qualified_name, start_ms,
duration_ms,
PYTHON,
log,
err_info)
# Figure out where the test belonged. There's probably a cleaner way of
# doing this.
if single_result in result.crashed:
test_results.crashed = [python_result]
elif single_result in result.failed:
test_results.failed = [python_result]
elif single_result in result.unknown:
test_results.unknown = [python_result]
else:
python_result = SingleTestResult(self.qualified_name, start_ms,
duration_ms,
PYTHON)
test_results.ok = [python_result]
return test_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()
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 tests in parallel using a pool of workers.
Returns:
A list of test results aggregated from all test runs.
"""
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)
all_passed = []
test_results = TestResults()
tests_to_run = self.tests
for retry in xrange(self.retries):
logging.warning('Try %d of %d', retry + 1, self.retries)
self._SetupSharding(self.tests)
test_runners = self._MakeTestRunners(self.attached_devices)
logging.warning('Starting...')
pool = multiprocessing.Pool(len(self.attached_devices),
SetTestsContainer,
[PythonTestSharder.tests_container])
# List of TestResults objects from each test execution.
try:
results_lists = pool.map(_DefaultRunnable, test_runners)
except Exception:
logging.exception('Unable to run tests. Something with the '
'PythonTestRunners has gone wrong.')
raise FatalTestException('PythonTestRunners were unable to run tests.')
test_results = TestResults.FromTestResults(results_lists)
# Accumulate passing results.
all_passed += test_results.ok
# If we have failed tests, map them to tests to retry.
failed_tests = test_results.GetAllBroken()
tests_to_run = self._GetTestsToRetry(self.tests,
failed_tests)
# Bail out early if we have no more tests. This can happen if all tests
# pass before we're out of retries, for example.
if not tests_to_run:
break
final_results = TestResults()
# all_passed has accumulated all passing test results.
# test_results will have the results from the most recent run, which could
# include a variety of failure modes (unknown, crashed, failed, etc).
final_results = test_results
final_results.ok = all_passed
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()
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]
)
results_lists = pool.map(_ShardedTestRunnable, test_runners)
test_results = TestResults.FromTestResults(results_lists)
if retry == self.retries - 1:
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 __init__(self, options, device, tests_iter, coverage, shard_index, apks,
ports_to_forward):
"""Create a new TestRunner.
Args:
options: An options object with the following required attributes:
- build_type: 'Release' or 'Debug'.
- install_apk: Re-installs the apk if opted.
- save_perf_json: Whether or not to save the JSON file from UI perf
tests.
- screenshot_failures: Take a screenshot for a test failure
- tool: Name of the Valgrind tool.
- wait_for_debugger: blocks until the debugger is connected.
- disable_assertions: Whether to disable java assertions on the device.
device: Attached android device.
tests_iter: A list of tests to be run.
coverage: Collects coverage information if opted.
shard_index: shard # for this TestRunner, used to create unique port
numbers.
apks: A list of ApkInfo objects need to be installed. The first element
should be the tests apk, the rests could be the apks used in test.
The default is ChromeTest.apk.
ports_to_forward: A list of port numbers for which to set up forwarders.
Can be optionally requested by a test case.
Raises:
FatalTestException: if coverage metadata is not available.
"""
BaseTestRunner.__init__(
self, device, options.tool, shard_index, options.build_type)
if not apks:
apks = [apk_info.ApkInfo(options.test_apk_path,
options.test_apk_jar_path)]
self.build_type = options.build_type
self.install_apk = options.install_apk
self.save_perf_json = options.save_perf_json
self.screenshot_failures = options.screenshot_failures
self.wait_for_debugger = options.wait_for_debugger
self.disable_assertions = options.disable_assertions
self.tests_iter = tests_iter
self.coverage = coverage
self.apks = apks
self.test_apk = apks[0]
self.instrumentation_class_path = self.test_apk.GetPackageName()
self.ports_to_forward = ports_to_forward
self.test_results = TestResults()
self.forwarder = None
if self.coverage:
if os.path.exists(TestRunner._COVERAGE_MERGED_FILENAME):
os.remove(TestRunner._COVERAGE_MERGED_FILENAME)
if not os.path.exists(TestRunner._COVERAGE_META_INFO_PATH):
raise FatalTestException('FATAL ERROR in ' + sys.argv[0] +
' : Coverage meta info [' +
TestRunner._COVERAGE_META_INFO_PATH +
'] does not exist.')
if (not TestRunner._COVERAGE_WEB_ROOT_DIR or
not os.path.exists(TestRunner._COVERAGE_WEB_ROOT_DIR)):
raise FatalTestException('FATAL ERROR in ' + sys.argv[0] +
' : Path specified in $EMMA_WEB_ROOTDIR [' +
TestRunner._COVERAGE_WEB_ROOT_DIR +
'] does not exist.')
def DispatchJavaTests(options, apks):
"""Dispatches Java tests onto connected device(s).
If possible, this method will attempt to shard the tests to
all connected devices. Otherwise, dispatch and run tests on one device.
Args:
options: Command line options.
apks: list of APKs to use.
Returns:
A TestResults object holding the results of the Java tests.
Raises:
FatalTestException: when there's no attached the devices.
"""
test_apk = apks[0]
if options.annotation:
available_tests = test_apk.GetAnnotatedTests(options.annotation)
if len(options.annotation) == 1 and options.annotation[0] == 'SmallTest':
tests_without_annotation = [
m for m in
test_apk.GetTestMethods()
if not test_apk.GetTestAnnotations(m) and
not apk_info.ApkInfo.IsPythonDrivenTest(m)]
if tests_without_annotation:
tests_without_annotation.sort()
logging.warning('The following tests do not contain any annotation. '
'Assuming "SmallTest":\n%s',
'\n'.join(tests_without_annotation))
available_tests += tests_without_annotation
else:
available_tests = [m for m in test_apk.GetTestMethods()
if not apk_info.ApkInfo.IsPythonDrivenTest(m)]
coverage = os.environ.get('EMMA_INSTRUMENT') == 'true'
tests = []
if options.test_filter:
# |available_tests| are in adb instrument format: package.path.class#test.
filter_without_hash = options.test_filter.replace('#', '.')
tests = [t for t in available_tests
if filter_without_hash in t.replace('#', '.')]
else:
tests = available_tests
if not tests:
logging.warning('No Java tests to run with current args.')
return TestResults()
tests *= options.number_of_runs
attached_devices = android_commands.GetAttachedDevices()
test_results = TestResults()
if not attached_devices:
raise FatalTestException('You have no devices attached or visible!')
if options.device:
attached_devices = [options.device]
logging.info('Will run: %s', str(tests))
if len(attached_devices) > 1 and (coverage or options.wait_for_debugger):
logging.warning('Coverage / debugger can not be sharded, '
'using first available device')
attached_devices = attached_devices[:1]
sharder = TestSharder(attached_devices, options, tests, apks)
test_results = sharder.RunShardedTests()
return test_results
def RunTests(device,
test_suite,
gtest_filter,
test_arguments,
rebaseline,
timeout,
performance_test,
cleanup_test_files,
tool,
log_dump_name,
apk,
annotate=False):
"""Runs the tests.
Args:
device: Device to run the tests.
test_suite: A specific test suite to run, empty to run all.
gtest_filter: A gtest_filter flag.
test_arguments: Additional arguments to pass to the test binary.
rebaseline: Whether or not to run tests in isolation and update the filter.
timeout: Timeout for each test.
performance_test: Whether or not performance test(s).
cleanup_test_files: Whether or not to cleanup test files on device.
tool: Name of the Valgrind tool.
log_dump_name: Name of log dump file.
apk: boolean to state if we are using the apk based test runner
annotate: should we print buildbot-style annotations?
Returns:
A TestResults object.
"""
results = []
if test_suite:
global _TEST_SUITES
if (not os.path.exists(test_suite)
and not os.path.splitext(test_suite)[1] == '.apk'):
logging.critical('Unrecognized test suite %s, supported: %s' %
(test_suite, _TEST_SUITES))
if test_suite in _TEST_SUITES:
logging.critical(
'(Remember to include the path: out/Release/%s)',
test_suite)
return TestResults.FromRun(failed=[BaseTestResult(test_suite, '')])
fully_qualified_test_suites = [test_suite]
else:
fully_qualified_test_suites = FullyQualifiedTestSuites(apk)
debug_info_list = []
print 'Known suites: ' + str(_TEST_SUITES)
print 'Running these: ' + str(fully_qualified_test_suites)
for t in fully_qualified_test_suites:
if annotate:
print '@@@BUILD_STEP Test suite %s@@@' % os.path.basename(t)
test = SingleTestRunner(device, t, gtest_filter, test_arguments,
timeout, rebaseline, performance_test,
cleanup_test_files, tool, 0,
not not log_dump_name)
test.Run()
results += [test.test_results]
# Collect debug info.
debug_info_list += [test.dump_debug_info]
if rebaseline:
test.UpdateFilter(test.test_results.failed)
test.test_results.LogFull()
# Zip all debug info outputs into a file named by log_dump_name.
debug_info.GTestDebugInfo.ZipAndCleanResults(
os.path.join(run_tests_helper.CHROME_DIR, 'out', 'Release',
'debug_info_dumps'), log_dump_name,
[d for d in debug_info_list if d])
if annotate:
if test.test_results.timed_out:
print '@@@STEP_WARNINGS@@@'
elif test.test_results.failed:
print '@@@STEP_FAILURE@@@'
elif test.test_results.overall_fail:
print '@@@STEP_FAILURE@@@'
else:
print 'Step success!' # No annotation needed
return TestResults.FromTestResults(results)
def _WatchTestOutput(self, p):
"""Watches the test output.
Args:
p: the process generating output as created by pexpect.spawn.
"""
ok_tests = []
failed_tests = []
crashed_tests = []
timed_out = False
overall_fail = False
re_run = re.compile('\[ RUN \] ?(.*)\r\n')
# APK tests rely on the PASSED tag.
re_passed = re.compile('\[ PASSED \] ?(.*)\r\n')
# Signal handlers are installed before starting tests
# to output the CRASHED marker when a crash happens.
re_crash = re.compile('\[ CRASHED \](.*)\r\n')
re_fail = re.compile('\[ FAILED \] ?(.*)\r\n')
re_runner_fail = re.compile('\[ RUNNER_FAILED \] ?(.*)\r\n')
re_ok = re.compile('\[ OK \] ?(.*?) .*\r\n')
io_stats_before = self._BeginGetIOStats()
try:
while True:
found = p.expect([re_run, re_passed, re_runner_fail],
timeout=self.timeout)
if found == 1: # matched PASSED.
break
if found == 2: # RUNNER_FAILED
logging.error('RUNNER_FAILED')
overall_fail = True
break
if self.dump_debug_info:
self.dump_debug_info.TakeScreenshot('_Test_Start_Run_')
full_test_name = p.match.group(1).replace('\r', '')
found = p.expect([re_ok, re_fail, re_crash],
timeout=self.timeout)
if found == 0: # re_ok
if full_test_name == p.match.group(1).replace('\r', ''):
ok_tests += [BaseTestResult(full_test_name, p.before)]
continue
if found == 2: # re_crash
crashed_tests += [BaseTestResult(full_test_name, p.before)]
overall_fail = True
break
# The test failed.
failed_tests += [BaseTestResult(full_test_name, p.before)]
except pexpect.EOF:
logging.error('Test terminated - EOF')
except pexpect.TIMEOUT:
logging.error('Test terminated after %d second timeout.',
self.timeout)
timed_out = True
finally:
p.close()
if not self.rebaseline:
ok_tests += self._EndGetIOStats(io_stats_before)
ret_code = self._GetGTestReturnCode()
if ret_code:
failed_tests += [
BaseTestResult(
'gtest exit code: %d' % ret_code, 'pexpect.before: %s'
'\npexpect.after: %s' % (p.before, p.after))
]
# Create TestResults and return
return TestResults.FromRun(ok=ok_tests,
failed=failed_tests,
crashed=crashed_tests,
timed_out=timed_out,
overall_fail=overall_fail)
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
# Timed out tests are not reported in GetAllBroken().
if test_results.timed_out:
final_results.timed_out = True
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
def RunTests(device, test_suite, gtest_filter, test_arguments, rebaseline,
timeout, performance_test, cleanup_test_files, tool,
log_dump_name):
"""Runs the tests.
Args:
device: Device to run the tests.
test_suite: A specific test suite to run, empty to run all.
gtest_filter: A gtest_filter flag.
test_arguments: Additional arguments to pass to the test binary.
rebaseline: Whether or not to run tests in isolation and update the filter.
timeout: Timeout for each test.
performance_test: Whether or not performance test(s).
cleanup_test_files: Whether or not to cleanup test files on device.
tool: Name of the Valgrind tool.
log_dump_name: Name of log dump file.
Returns:
A TestResults object.
"""
results = []
if test_suite:
global _TEST_SUITES
if not os.path.exists(test_suite):
logging.critical('Unrecognized test suite, supported: %s' %
_TEST_SUITES)
if test_suite in _TEST_SUITES:
logging.critical(
'(Remember to include the path: out/Release/%s)',
test_suite)
return TestResults.FromOkAndFailed(
[], [BaseTestResult(test_suite, '')])
_TEST_SUITES = [test_suite]
else:
# If not specified, assume the test suites are in out/Release
test_suite_dir = os.path.abspath(
os.path.join(run_tests_helper.CHROME_DIR, 'out', 'Release'))
_TEST_SUITES = [os.path.join(test_suite_dir, t) for t in _TEST_SUITES]
debug_info_list = []
print _TEST_SUITES # So it shows up in buildbot output
for t in _TEST_SUITES:
test = SingleTestRunner(device, t, gtest_filter, test_arguments,
timeout, rebaseline, performance_test,
cleanup_test_files, tool,
not not log_dump_name)
test.RunTests()
results += [test.test_results]
# Collect debug info.
debug_info_list += [test.dump_debug_info]
if rebaseline:
test.UpdateFilter(test.test_results.failed)
elif test.test_results.failed:
# Stop running test if encountering failed test.
test.test_results.LogFull()
break
# Zip all debug info outputs into a file named by log_dump_name.
debug_info.GTestDebugInfo.ZipAndCleanResults(
os.path.join(run_tests_helper.CHROME_DIR, 'out', 'Release',
'debug_info_dumps'), log_dump_name,
[d for d in debug_info_list if d])
return TestResults.FromTestResults(results)
def CallPythonTest(test, options):
"""Invokes a test function and translates Python exceptions into test results.
This method invokes SetUp()/TearDown() on the test. It is intended to be
resilient to exceptions in SetUp(), the test itself, and TearDown(). Any
Python exception means the test is marked as failed, and the test result will
contain information about the exception.
If SetUp() raises an exception, the test is not run.
If TearDown() raises an exception, the test is treated as a failure. However,
if the test itself raised an exception beforehand, that stack trace will take
precedence whether or not TearDown() also raised an exception.
shard_index is not applicable in single-device scenarios, when test execution
is serial rather than parallel. Tests can use this to bring up servers with
unique port numbers, for example. See also python_test_sharder.
Args:
test: an object which is ostensibly a subclass of PythonTestBase.
options: Options to use for setting up tests.
Returns:
A TestResults object which contains any results produced by the test or, in
the case of a Python exception, the Python exception info.
"""
start_date_ms = int(time.time()) * 1000
failed = False
try:
test.SetUp(options)
except Exception:
failed = True
logging.exception(
'Caught exception while trying to run SetUp() for test: ' +
test.qualified_name)
# Tests whose SetUp() method has failed are likely to fail, or at least
# yield invalid results.
exc_info = sys.exc_info()
return TestResults.FromPythonException(test.qualified_name,
start_date_ms, exc_info)
try:
result = test.Run()
except Exception:
# Setting this lets TearDown() avoid stomping on our stack trace from Run()
# should TearDown() also raise an exception.
failed = True
logging.exception('Caught exception while trying to run test: ' +
test.qualified_name)
exc_info = sys.exc_info()
result = TestResults.FromPythonException(test.qualified_name,
start_date_ms, exc_info)
try:
test.TearDown()
except Exception:
logging.exception(
'Caught exception while trying run TearDown() for test: ' +
test.qualified_name)
if not failed:
# Don't stomp the error during the test if TearDown blows up. This is a
# trade-off: if the test fails, this will mask any problem with TearDown
# until the test is fixed.
exc_info = sys.exc_info()
result = TestResults.FromPythonException(test.qualified_name,
start_date_ms, exc_info)
return result
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
def _WatchTestOutput(self, p):
"""Watches the test output.
Args:
p: the process generating output as created by pexpect.spawn.
"""
ok_tests = []
failed_tests = []
crashed_tests = []
timed_out = False
overall_fail = False
# Test case statuses.
re_run = re.compile('\[ RUN \] ?(.*)\r\n')
re_fail = re.compile('\[ FAILED \] ?(.*)\r\n')
re_ok = re.compile('\[ OK \] ?(.*?) .*\r\n')
# Test run statuses.
re_passed = re.compile('\[ PASSED \] ?(.*)\r\n')
re_runner_fail = re.compile('\[ RUNNER_FAILED \] ?(.*)\r\n')
# Signal handlers are installed before starting tests
# to output the CRASHED marker when a crash happens.
re_crash = re.compile('\[ CRASHED \](.*)\r\n')
try:
while True:
found = p.expect([re_run, re_passed, re_runner_fail],
timeout=self.timeout)
if found == 1: # re_passed
break
elif found == 2: # re_runner_fail
overall_fail = True
break
else: # re_run
if self.dump_debug_info:
self.dump_debug_info.TakeScreenshot('_Test_Start_Run_')
full_test_name = p.match.group(1).replace('\r', '')
found = p.expect([re_ok, re_fail, re_crash], timeout=self.timeout)
if found == 0: # re_ok
if full_test_name == p.match.group(1).replace('\r', ''):
ok_tests += [BaseTestResult(full_test_name, p.before)]
elif found == 2: # re_crash
crashed_tests += [BaseTestResult(full_test_name, p.before)]
overall_fail = True
break
else: # re_fail
failed_tests += [BaseTestResult(full_test_name, p.before)]
except pexpect.EOF:
logging.error('Test terminated - EOF')
raise errors.DeviceUnresponsiveError('Device may be offline')
except pexpect.TIMEOUT:
logging.error('Test terminated after %d second timeout.',
self.timeout)
timed_out = True
finally:
p.close()
ret_code = self._GetGTestReturnCode()
if ret_code:
logging.critical(
'gtest exit code: %d\npexpect.before: %s\npexpect.after: %s',
ret_code, p.before, p.after)
overall_fail = True
# Create TestResults and return
return TestResults.FromRun(ok=ok_tests, failed=failed_tests,
crashed=crashed_tests, timed_out=timed_out,
overall_fail=overall_fail)
