| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import collections |
| import itertools |
| import logging |
| import os |
| import posixpath |
| import shutil |
| import time |
| |
| from devil.android import crash_handler |
| from devil.android import device_errors |
| from devil.android import device_temp_file |
| from devil.android import logcat_monitor |
| from devil.android import ports |
| from devil.utils import reraiser_thread |
| from incremental_install import installer |
| from pylib import constants |
| from pylib.base import base_test_result |
| from pylib.gtest import gtest_test_instance |
| from pylib.local import local_test_server_spawner |
| from pylib.local.device import local_device_environment |
| from pylib.local.device import local_device_test_run |
| from pylib.utils import google_storage_helper |
| from pylib.utils import logdog_helper |
| from py_trace_event import trace_event |
| from py_utils import contextlib_ext |
| from py_utils import tempfile_ext |
| import tombstones |
| |
| _MAX_INLINE_FLAGS_LENGTH = 50 # Arbitrarily chosen. |
| _EXTRA_COMMAND_LINE_FILE = ( |
| 'org.chromium.native_test.NativeTest.CommandLineFile') |
| _EXTRA_COMMAND_LINE_FLAGS = ( |
| 'org.chromium.native_test.NativeTest.CommandLineFlags') |
| _EXTRA_STDOUT_FILE = ( |
| 'org.chromium.native_test.NativeTestInstrumentationTestRunner' |
| '.StdoutFile') |
| _EXTRA_TEST = ( |
| 'org.chromium.native_test.NativeTestInstrumentationTestRunner' |
| '.Test') |
| _EXTRA_TEST_LIST = ( |
| 'org.chromium.native_test.NativeTestInstrumentationTestRunner' |
| '.TestList') |
| |
| _MAX_SHARD_SIZE = 256 |
| _SECONDS_TO_NANOS = int(1e9) |
| |
| # The amount of time a test executable may run before it gets killed. |
| _TEST_TIMEOUT_SECONDS = 30*60 |
| |
| # Tests that use SpawnedTestServer must run the LocalTestServerSpawner on the |
| # host machine. |
| # TODO(jbudorick): Move this up to the test instance if the net test server is |
| # handled outside of the APK for the remote_device environment. |
| _SUITE_REQUIRES_TEST_SERVER_SPAWNER = [ |
| 'components_browsertests', 'content_unittests', 'content_browsertests', |
| 'net_unittests', 'services_unittests', 'unit_tests' |
| ] |
| |
| # No-op context manager. If we used Python 3, we could change this to |
| # contextlib.ExitStack() |
| class _NullContextManager(object): |
| def __enter__(self): |
| pass |
| def __exit__(self, *args): |
| pass |
| |
| |
| def _GenerateSequentialFileNames(filename): |
| """Infinite generator of names: 'name.ext', 'name_1.ext', 'name_2.ext', ...""" |
| yield filename |
| base, ext = os.path.splitext(filename) |
| for i in itertools.count(1): |
| yield '%s_%d%s' % (base, i, ext) |
| |
| |
| def _ExtractTestsFromFilter(gtest_filter): |
| """Returns the list of tests specified by the given filter. |
| |
| Returns: |
| None if the device should be queried for the test list instead. |
| """ |
| # Empty means all tests, - means exclude filter. |
| if not gtest_filter or '-' in gtest_filter: |
| return None |
| |
| patterns = gtest_filter.split(':') |
| # For a single pattern, allow it even if it has a wildcard so long as the |
| # wildcard comes at the end and there is at least one . to prove the scope is |
| # not too large. |
| # This heuristic is not necessarily faster, but normally is. |
| if len(patterns) == 1 and patterns[0].endswith('*'): |
| no_suffix = patterns[0].rstrip('*') |
| if '*' not in no_suffix and '.' in no_suffix: |
| return patterns |
| |
| if '*' in gtest_filter: |
| return None |
| return patterns |
| |
| |
| class _ApkDelegate(object): |
| def __init__(self, test_instance, tool): |
| self._activity = test_instance.activity |
| self._apk_helper = test_instance.apk_helper |
| self._test_apk_incremental_install_json = ( |
| test_instance.test_apk_incremental_install_json) |
| self._package = test_instance.package |
| self._runner = test_instance.runner |
| self._permissions = test_instance.permissions |
| self._suite = test_instance.suite |
| self._component = '%s/%s' % (self._package, self._runner) |
| self._extras = test_instance.extras |
| self._wait_for_java_debugger = test_instance.wait_for_java_debugger |
| self._tool = tool |
| |
| def GetTestDataRoot(self, device): |
| # pylint: disable=no-self-use |
| return posixpath.join(device.GetExternalStoragePath(), |
| 'chromium_tests_root') |
| |
| def Install(self, device): |
| if self._test_apk_incremental_install_json: |
| installer.Install(device, self._test_apk_incremental_install_json, |
| apk=self._apk_helper, permissions=self._permissions) |
| else: |
| device.Install(self._apk_helper, reinstall=True, |
| permissions=self._permissions) |
| |
| def ResultsDirectory(self, device): |
| return device.GetApplicationDataDirectory(self._package) |
| |
| def Run(self, test, device, flags=None, **kwargs): |
| extras = dict(self._extras) |
| |
| if ('timeout' in kwargs |
| and gtest_test_instance.EXTRA_SHARD_NANO_TIMEOUT not in extras): |
| # Make sure the instrumentation doesn't kill the test before the |
| # scripts do. The provided timeout value is in seconds, but the |
| # instrumentation deals with nanoseconds because that's how Android |
| # handles time. |
| extras[gtest_test_instance.EXTRA_SHARD_NANO_TIMEOUT] = int( |
| kwargs['timeout'] * _SECONDS_TO_NANOS) |
| |
| # pylint: disable=redefined-variable-type |
| command_line_file = _NullContextManager() |
| if flags: |
| if len(flags) > _MAX_INLINE_FLAGS_LENGTH: |
| command_line_file = device_temp_file.DeviceTempFile(device.adb) |
| device.WriteFile(command_line_file.name, '_ %s' % flags) |
| extras[_EXTRA_COMMAND_LINE_FILE] = command_line_file.name |
| else: |
| extras[_EXTRA_COMMAND_LINE_FLAGS] = flags |
| |
| test_list_file = _NullContextManager() |
| if test: |
| if len(test) > 1: |
| test_list_file = device_temp_file.DeviceTempFile(device.adb) |
| device.WriteFile(test_list_file.name, '\n'.join(test)) |
| extras[_EXTRA_TEST_LIST] = test_list_file.name |
| else: |
| extras[_EXTRA_TEST] = test[0] |
| # pylint: enable=redefined-variable-type |
| |
| stdout_file = device_temp_file.DeviceTempFile( |
| device.adb, dir=device.GetExternalStoragePath(), suffix='.gtest_out') |
| extras[_EXTRA_STDOUT_FILE] = stdout_file.name |
| |
| if self._wait_for_java_debugger: |
| cmd = ['am', 'set-debug-app', '-w', self._package] |
| device.RunShellCommand(cmd, check_return=True) |
| logging.warning('*' * 80) |
| logging.warning('Waiting for debugger to attach to process: %s', |
| self._package) |
| logging.warning('*' * 80) |
| |
| with command_line_file, test_list_file, stdout_file: |
| try: |
| device.StartInstrumentation( |
| self._component, extras=extras, raw=False, **kwargs) |
| except device_errors.CommandFailedError: |
| logging.exception('gtest shard failed.') |
| except device_errors.CommandTimeoutError: |
| logging.exception('gtest shard timed out.') |
| except device_errors.DeviceUnreachableError: |
| logging.exception('gtest shard device unreachable.') |
| except Exception: |
| device.ForceStop(self._package) |
| raise |
| # TODO(jbudorick): Remove this after resolving crbug.com/726880 |
| logging.info( |
| '%s size on device: %s', |
| stdout_file.name, device.StatPath(stdout_file.name).get('st_size', 0)) |
| return device.ReadFile(stdout_file.name).splitlines() |
| |
| def PullAppFiles(self, device, files, directory): |
| device_dir = device.GetApplicationDataDirectory(self._package) |
| host_dir = os.path.join(directory, str(device)) |
| for f in files: |
| device_file = posixpath.join(device_dir, f) |
| host_file = os.path.join(host_dir, *f.split(posixpath.sep)) |
| for host_file in _GenerateSequentialFileNames(host_file): |
| if not os.path.exists(host_file): |
| break |
| device.PullFile(device_file, host_file) |
| |
| def Clear(self, device): |
| device.ClearApplicationState(self._package, permissions=self._permissions) |
| |
| |
| class _ExeDelegate(object): |
| def __init__(self, tr, dist_dir, tool): |
| self._host_dist_dir = dist_dir |
| self._exe_file_name = os.path.basename(dist_dir)[:-len('__dist')] |
| self._device_dist_dir = posixpath.join( |
| constants.TEST_EXECUTABLE_DIR, os.path.basename(dist_dir)) |
| self._test_run = tr |
| self._tool = tool |
| |
| def GetTestDataRoot(self, device): |
| # pylint: disable=no-self-use |
| # pylint: disable=unused-argument |
| return posixpath.join(constants.TEST_EXECUTABLE_DIR, 'chromium_tests_root') |
| |
| def Install(self, device): |
| # TODO(jbudorick): Look into merging this with normal data deps pushing if |
| # executables become supported on nonlocal environments. |
| device.PushChangedFiles([(self._host_dist_dir, self._device_dist_dir)], |
| delete_device_stale=True) |
| |
| def ResultsDirectory(self, device): |
| # pylint: disable=no-self-use |
| # pylint: disable=unused-argument |
| return constants.TEST_EXECUTABLE_DIR |
| |
| def Run(self, test, device, flags=None, **kwargs): |
| tool = self._test_run.GetTool(device).GetTestWrapper() |
| if tool: |
| cmd = [tool] |
| else: |
| cmd = [] |
| cmd.append(posixpath.join(self._device_dist_dir, self._exe_file_name)) |
| |
| if test: |
| cmd.append('--gtest_filter=%s' % ':'.join(test)) |
| if flags: |
| # TODO(agrieve): This won't work if multiple flags are passed. |
| cmd.append(flags) |
| cwd = constants.TEST_EXECUTABLE_DIR |
| |
| env = { |
| 'LD_LIBRARY_PATH': self._device_dist_dir |
| } |
| |
| if self._tool != 'asan': |
| env['UBSAN_OPTIONS'] = constants.UBSAN_OPTIONS |
| |
| try: |
| gcov_strip_depth = os.environ['NATIVE_COVERAGE_DEPTH_STRIP'] |
| external = device.GetExternalStoragePath() |
| env['GCOV_PREFIX'] = '%s/gcov' % external |
| env['GCOV_PREFIX_STRIP'] = gcov_strip_depth |
| except (device_errors.CommandFailedError, KeyError): |
| pass |
| |
| # Executable tests return a nonzero exit code on test failure, which is |
| # fine from the test runner's perspective; thus check_return=False. |
| output = device.RunShellCommand( |
| cmd, cwd=cwd, env=env, check_return=False, large_output=True, **kwargs) |
| return output |
| |
| def PullAppFiles(self, device, files, directory): |
| pass |
| |
| def Clear(self, device): |
| device.KillAll(self._exe_file_name, blocking=True, timeout=30, quiet=True) |
| |
| |
| class LocalDeviceGtestRun(local_device_test_run.LocalDeviceTestRun): |
| |
| def __init__(self, env, test_instance): |
| assert isinstance(env, local_device_environment.LocalDeviceEnvironment) |
| assert isinstance(test_instance, gtest_test_instance.GtestTestInstance) |
| super(LocalDeviceGtestRun, self).__init__(env, test_instance) |
| |
| # pylint: disable=redefined-variable-type |
| if self._test_instance.apk: |
| self._delegate = _ApkDelegate(self._test_instance, env.tool) |
| elif self._test_instance.exe_dist_dir: |
| self._delegate = _ExeDelegate(self, self._test_instance.exe_dist_dir, |
| self._env.tool) |
| if self._test_instance.isolated_script_test_perf_output: |
| self._test_perf_output_filenames = _GenerateSequentialFileNames( |
| self._test_instance.isolated_script_test_perf_output) |
| else: |
| self._test_perf_output_filenames = itertools.repeat(None) |
| # pylint: enable=redefined-variable-type |
| self._crashes = set() |
| self._servers = collections.defaultdict(list) |
| |
| #override |
| def TestPackage(self): |
| return self._test_instance.suite |
| |
| #override |
| def SetUp(self): |
| @local_device_environment.handle_shard_failures_with( |
| on_failure=self._env.BlacklistDevice) |
| @trace_event.traced |
| def individual_device_set_up(device, host_device_tuples): |
| def install_apk(dev): |
| # Install test APK. |
| self._delegate.Install(dev) |
| |
| def push_test_data(dev): |
| # Push data dependencies. |
| device_root = self._delegate.GetTestDataRoot(dev) |
| host_device_tuples_substituted = [ |
| (h, local_device_test_run.SubstituteDeviceRoot(d, device_root)) |
| for h, d in host_device_tuples] |
| dev.PushChangedFiles( |
| host_device_tuples_substituted, |
| delete_device_stale=True, |
| # Some gtest suites, e.g. unit_tests, have data dependencies that |
| # can take longer than the default timeout to push. See |
| # crbug.com/791632 for context. |
| timeout=600) |
| if not host_device_tuples: |
| dev.RemovePath(device_root, force=True, recursive=True, rename=True) |
| dev.RunShellCommand(['mkdir', '-p', device_root], check_return=True) |
| |
| def init_tool_and_start_servers(dev): |
| tool = self.GetTool(dev) |
| tool.CopyFiles(dev) |
| tool.SetupEnvironment() |
| |
| self._servers[str(dev)] = [] |
| if self.TestPackage() in _SUITE_REQUIRES_TEST_SERVER_SPAWNER: |
| self._servers[str(dev)].append( |
| local_test_server_spawner.LocalTestServerSpawner( |
| ports.AllocateTestServerPort(), dev, tool)) |
| |
| for s in self._servers[str(dev)]: |
| s.SetUp() |
| |
| def bind_crash_handler(step, dev): |
| return lambda: crash_handler.RetryOnSystemCrash(step, dev) |
| |
| steps = [ |
| bind_crash_handler(s, device) |
| for s in (install_apk, push_test_data, init_tool_and_start_servers)] |
| if self._env.concurrent_adb: |
| reraiser_thread.RunAsync(steps) |
| else: |
| for step in steps: |
| step() |
| |
| self._env.parallel_devices.pMap( |
| individual_device_set_up, |
| self._test_instance.GetDataDependencies()) |
| |
| #override |
| def _ShouldShard(self): |
| return True |
| |
| #override |
| def _CreateShards(self, tests): |
| # _crashes are tests that might crash and make the tests in the same shard |
| # following the crashed testcase not run. |
| # Thus we need to create separate shards for each crashed testcase, |
| # so that other tests can be run. |
| device_count = len(self._env.devices) |
| shards = [] |
| |
| # Add shards with only one suspect testcase. |
| shards += [[crash] for crash in self._crashes if crash in tests] |
| |
| # Delete suspect testcase from tests. |
| tests = [test for test in tests if not test in self._crashes] |
| |
| for i in xrange(0, device_count): |
| unbounded_shard = tests[i::device_count] |
| shards += [unbounded_shard[j:j+_MAX_SHARD_SIZE] |
| for j in xrange(0, len(unbounded_shard), _MAX_SHARD_SIZE)] |
| return shards |
| |
| #override |
| def _GetTests(self): |
| if self._test_instance.extract_test_list_from_filter: |
| # When the exact list of tests to run is given via command-line (e.g. when |
| # locally iterating on a specific test), skip querying the device (which |
| # takes ~3 seconds). |
| tests = _ExtractTestsFromFilter(self._test_instance.gtest_filter) |
| if tests: |
| return tests |
| |
| # Even when there's only one device, it still makes sense to retrieve the |
| # test list so that tests can be split up and run in batches rather than all |
| # at once (since test output is not streamed). |
| @local_device_environment.handle_shard_failures_with( |
| on_failure=self._env.BlacklistDevice) |
| def list_tests(dev): |
| timeout = 30 |
| retries = 1 |
| if self._test_instance.wait_for_java_debugger: |
| timeout = None |
| |
| flags = list(self._test_instance.flags) |
| flags.append('--gtest_list_tests') |
| |
| # TODO(crbug.com/726880): Remove retries when no longer necessary. |
| for i in range(0, retries+1): |
| logging.info('flags:') |
| for f in flags: |
| logging.info(' %s', f) |
| |
| raw_test_list = crash_handler.RetryOnSystemCrash( |
| lambda d: self._delegate.Run( |
| None, d, flags=' '.join(flags), timeout=timeout), |
| device=dev) |
| tests = gtest_test_instance.ParseGTestListTests(raw_test_list) |
| if not tests: |
| logging.info('No tests found. Output:') |
| for l in raw_test_list: |
| logging.info(' %s', l) |
| logging.info('Logcat:') |
| for line in dev.adb.Logcat(dump=True): |
| logging.info(line) |
| dev.adb.Logcat(clear=True) |
| if i < retries: |
| logging.info('Retrying...') |
| else: |
| break |
| return tests |
| |
| # Query all devices in case one fails. |
| test_lists = self._env.parallel_devices.pMap(list_tests).pGet(None) |
| |
| # If all devices failed to list tests, raise an exception. |
| # Check that tl is not None and is not empty. |
| if all(not tl for tl in test_lists): |
| raise device_errors.CommandFailedError( |
| 'Failed to list tests on any device') |
| tests = list(sorted(set().union(*[set(tl) for tl in test_lists if tl]))) |
| tests = self._test_instance.FilterTests(tests) |
| tests = self._ApplyExternalSharding( |
| tests, self._test_instance.external_shard_index, |
| self._test_instance.total_external_shards) |
| return tests |
| |
| def _UploadTestArtifacts(self, device, test_artifacts_dir): |
| # TODO(jbudorick): Reconcile this with the output manager once |
| # https://codereview.chromium.org/2933993002/ lands. |
| if test_artifacts_dir: |
| with tempfile_ext.NamedTemporaryDirectory() as test_artifacts_host_dir: |
| device.PullFile(test_artifacts_dir.name, test_artifacts_host_dir) |
| with tempfile_ext.NamedTemporaryDirectory() as temp_zip_dir: |
| zip_base_name = os.path.join(temp_zip_dir, 'test_artifacts') |
| test_artifacts_zip = shutil.make_archive( |
| zip_base_name, 'zip', test_artifacts_host_dir) |
| link = google_storage_helper.upload( |
| google_storage_helper.unique_name( |
| 'test_artifacts', device=device), |
| test_artifacts_zip, |
| bucket='%s/test_artifacts' % ( |
| self._test_instance.gs_test_artifacts_bucket)) |
| logging.info('Uploading test artifacts to %s.', link) |
| return link |
| return None |
| |
| #override |
| def _RunTest(self, device, test): |
| # Run the test. |
| timeout = (self._test_instance.shard_timeout |
| * self.GetTool(device).GetTimeoutScale()) |
| if self._test_instance.wait_for_java_debugger: |
| timeout = None |
| if self._test_instance.store_tombstones: |
| tombstones.ClearAllTombstones(device) |
| test_perf_output_filename = next(self._test_perf_output_filenames) |
| |
| with device_temp_file.DeviceTempFile( |
| adb=device.adb, |
| dir=self._delegate.ResultsDirectory(device), |
| suffix='.xml') as device_tmp_results_file: |
| with contextlib_ext.Optional( |
| device_temp_file.NamedDeviceTemporaryDirectory( |
| adb=device.adb, dir='/sdcard/'), |
| self._test_instance.gs_test_artifacts_bucket) as test_artifacts_dir: |
| with (contextlib_ext.Optional( |
| device_temp_file.DeviceTempFile( |
| adb=device.adb, dir=self._delegate.ResultsDirectory(device)), |
| test_perf_output_filename)) as isolated_script_test_perf_output: |
| |
| flags = list(self._test_instance.flags) |
| if self._test_instance.enable_xml_result_parsing: |
| flags.append('--gtest_output=xml:%s' % device_tmp_results_file.name) |
| |
| if self._test_instance.gs_test_artifacts_bucket: |
| flags.append('--test_artifacts_dir=%s' % test_artifacts_dir.name) |
| |
| if test_perf_output_filename: |
| flags.append('--isolated_script_test_perf_output=%s' |
| % isolated_script_test_perf_output.name) |
| |
| logging.info('flags:') |
| for f in flags: |
| logging.info(' %s', f) |
| |
| stream_name = 'logcat_%s_%s_%s' % ( |
| hash(tuple(test)), |
| time.strftime('%Y%m%dT%H%M%S-UTC', time.gmtime()), |
| device.serial) |
| |
| with self._env.output_manager.ArchivedTempfile( |
| stream_name, 'logcat') as logcat_file: |
| with logcat_monitor.LogcatMonitor( |
| device.adb, |
| filter_specs=local_device_environment.LOGCAT_FILTERS, |
| output_file=logcat_file.name) as logmon: |
| with contextlib_ext.Optional( |
| trace_event.trace(str(test)), |
| self._env.trace_output): |
| output = self._delegate.Run( |
| test, device, flags=' '.join(flags), |
| timeout=timeout, retries=0) |
| logmon.Close() |
| |
| if logcat_file.Link(): |
| logging.info('Logcat saved to %s', logcat_file.Link()) |
| |
| if self._test_instance.enable_xml_result_parsing: |
| try: |
| gtest_xml = device.ReadFile( |
| device_tmp_results_file.name, |
| as_root=True) |
| except device_errors.CommandFailedError as e: |
| logging.warning( |
| 'Failed to pull gtest results XML file %s: %s', |
| device_tmp_results_file.name, |
| str(e)) |
| gtest_xml = None |
| |
| if test_perf_output_filename: |
| try: |
| device.PullFile(isolated_script_test_perf_output.name, |
| test_perf_output_filename) |
| except device_errors.CommandFailedError as e: |
| logging.warning( |
| 'Failed to pull chartjson results %s: %s', |
| isolated_script_test_perf_output.name, str(e)) |
| |
| test_artifacts_url = self._UploadTestArtifacts(device, |
| test_artifacts_dir) |
| |
| for s in self._servers[str(device)]: |
| s.Reset() |
| if self._test_instance.app_files: |
| self._delegate.PullAppFiles(device, self._test_instance.app_files, |
| self._test_instance.app_file_dir) |
| if not self._env.skip_clear_data: |
| self._delegate.Clear(device) |
| |
| for l in output: |
| logging.info(l) |
| |
| # Parse the output. |
| # TODO(jbudorick): Transition test scripts away from parsing stdout. |
| if self._test_instance.enable_xml_result_parsing: |
| results = gtest_test_instance.ParseGTestXML(gtest_xml) |
| else: |
| results = gtest_test_instance.ParseGTestOutput( |
| output, self._test_instance.symbolizer, device.product_cpu_abi) |
| |
| tombstones_url = None |
| for r in results: |
| if logcat_file: |
| r.SetLink('logcat', logcat_file.Link()) |
| |
| if self._test_instance.gs_test_artifacts_bucket: |
| r.SetLink('test_artifacts', test_artifacts_url) |
| |
| if r.GetType() == base_test_result.ResultType.CRASH: |
| self._crashes.add(r.GetName()) |
| if self._test_instance.store_tombstones: |
| if not tombstones_url: |
| resolved_tombstones = tombstones.ResolveTombstones( |
| device, |
| resolve_all_tombstones=True, |
| include_stack_symbols=False, |
| wipe_tombstones=True) |
| stream_name = 'tombstones_%s_%s' % ( |
| time.strftime('%Y%m%dT%H%M%S', time.localtime()), |
| device.serial) |
| tombstones_url = logdog_helper.text( |
| stream_name, '\n'.join(resolved_tombstones)) |
| r.SetLink('tombstones', tombstones_url) |
| |
| tests_stripped_disabled_prefix = set() |
| for t in test: |
| tests_stripped_disabled_prefix.add( |
| gtest_test_instance.TestNameWithoutDisabledPrefix(t)) |
| not_run_tests = tests_stripped_disabled_prefix.difference( |
| set(r.GetName() for r in results)) |
| return results, list(not_run_tests) if results else None |
| |
| #override |
| def TearDown(self): |
| # By default, teardown will invoke ADB. When receiving SIGTERM due to a |
| # timeout, there's a high probability that ADB is non-responsive. In these |
| # cases, sending an ADB command will potentially take a long time to time |
| # out. Before this happens, the process will be hard-killed for not |
| # responding to SIGTERM fast enough. |
| if self._received_sigterm: |
| return |
| |
| @local_device_environment.handle_shard_failures |
| @trace_event.traced |
| def individual_device_tear_down(dev): |
| for s in self._servers.get(str(dev), []): |
| s.TearDown() |
| |
| tool = self.GetTool(dev) |
| tool.CleanUpEnvironment() |
| |
| self._env.parallel_devices.pMap(individual_device_tear_down) |
