| # Copyright 2015 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 copy |
| import logging |
| import os |
| import pickle |
| import re |
| |
| from devil.android import apk_helper |
| from devil.android import md5sum |
| from pylib import constants |
| from pylib.base import base_test_result |
| from pylib.base import test_instance |
| from pylib.constants import host_paths |
| from pylib.instrumentation import test_result |
| from pylib.instrumentation import instrumentation_parser |
| from pylib.utils import isolator |
| from pylib.utils import proguard |
| |
| with host_paths.SysPath(host_paths.BUILD_COMMON_PATH): |
| import unittest_util # pylint: disable=import-error |
| |
| # Ref: http://developer.android.com/reference/android/app/Activity.html |
| _ACTIVITY_RESULT_CANCELED = 0 |
| _ACTIVITY_RESULT_OK = -1 |
| |
| _COMMAND_LINE_PARAMETER = 'cmdlinearg-parameter' |
| _DEFAULT_ANNOTATIONS = [ |
| 'Smoke', 'SmallTest', 'MediumTest', 'LargeTest', |
| 'EnormousTest', 'IntegrationTest'] |
| _EXCLUDE_UNLESS_REQUESTED_ANNOTATIONS = [ |
| 'DisabledTest', 'FlakyTest'] |
| _VALID_ANNOTATIONS = set(['Manual', 'PerfTest'] + _DEFAULT_ANNOTATIONS + |
| _EXCLUDE_UNLESS_REQUESTED_ANNOTATIONS) |
| _EXTRA_DRIVER_TEST_LIST = ( |
| 'org.chromium.test.driver.OnDeviceInstrumentationDriver.TestList') |
| _EXTRA_DRIVER_TEST_LIST_FILE = ( |
| 'org.chromium.test.driver.OnDeviceInstrumentationDriver.TestListFile') |
| _EXTRA_DRIVER_TARGET_PACKAGE = ( |
| 'org.chromium.test.driver.OnDeviceInstrumentationDriver.TargetPackage') |
| _EXTRA_DRIVER_TARGET_CLASS = ( |
| 'org.chromium.test.driver.OnDeviceInstrumentationDriver.TargetClass') |
| _EXTRA_TIMEOUT_SCALE = ( |
| 'org.chromium.test.driver.OnDeviceInstrumentationDriver.TimeoutScale') |
| |
| _PARAMETERIZED_TEST_ANNOTATION = 'ParameterizedTest' |
| _PARAMETERIZED_TEST_SET_ANNOTATION = 'ParameterizedTest$Set' |
| _NATIVE_CRASH_RE = re.compile('native crash', re.IGNORECASE) |
| _PICKLE_FORMAT_VERSION = 10 |
| |
| |
| class MissingSizeAnnotationError(Exception): |
| def __init__(self, class_name): |
| super(MissingSizeAnnotationError, self).__init__(class_name + |
| ': Test method is missing required size annotation. Add one of: ' + |
| ', '.join('@' + a for a in _VALID_ANNOTATIONS)) |
| |
| |
| # TODO(jbudorick): Make these private class methods of |
| # InstrumentationTestInstance once the instrumentation test_runner is |
| # deprecated. |
| def ParseAmInstrumentRawOutput(raw_output): |
| """Parses the output of an |am instrument -r| call. |
| |
| Args: |
| raw_output: the output of an |am instrument -r| call as a list of lines |
| Returns: |
| A 3-tuple containing: |
| - the instrumentation code as an integer |
| - the instrumentation result as a list of lines |
| - the instrumentation statuses received as a list of 2-tuples |
| containing: |
| - the status code as an integer |
| - the bundle dump as a dict mapping string keys to a list of |
| strings, one for each line. |
| """ |
| parser = instrumentation_parser.InstrumentationParser(raw_output) |
| statuses = list(parser.IterStatus()) |
| code, bundle = parser.GetResult() |
| return (code, bundle, statuses) |
| |
| |
| def GenerateTestResults( |
| result_code, result_bundle, statuses, start_ms, duration_ms): |
| """Generate test results from |statuses|. |
| |
| Args: |
| result_code: The overall status code as an integer. |
| result_bundle: The summary bundle dump as a dict. |
| statuses: A list of 2-tuples containing: |
| - the status code as an integer |
| - the bundle dump as a dict mapping string keys to string values |
| Note that this is the same as the third item in the 3-tuple returned by |
| |_ParseAmInstrumentRawOutput|. |
| start_ms: The start time of the test in milliseconds. |
| duration_ms: The duration of the test in milliseconds. |
| |
| Returns: |
| A list containing an instance of InstrumentationTestResult for each test |
| parsed. |
| """ |
| |
| results = [] |
| |
| current_result = None |
| |
| for status_code, bundle in statuses: |
| test_class = bundle.get('class', '') |
| test_method = bundle.get('test', '') |
| if test_class and test_method: |
| test_name = '%s#%s' % (test_class, test_method) |
| else: |
| continue |
| |
| if status_code == instrumentation_parser.STATUS_CODE_START: |
| if current_result: |
| results.append(current_result) |
| current_result = test_result.InstrumentationTestResult( |
| test_name, base_test_result.ResultType.UNKNOWN, start_ms, duration_ms) |
| else: |
| if status_code == instrumentation_parser.STATUS_CODE_OK: |
| if bundle.get('test_skipped', '').lower() in ('true', '1', 'yes'): |
| current_result.SetType(base_test_result.ResultType.SKIP) |
| elif current_result.GetType() == base_test_result.ResultType.UNKNOWN: |
| current_result.SetType(base_test_result.ResultType.PASS) |
| else: |
| if status_code not in (instrumentation_parser.STATUS_CODE_ERROR, |
| instrumentation_parser.STATUS_CODE_FAILURE): |
| logging.error('Unrecognized status code %d. Handling as an error.', |
| status_code) |
| current_result.SetType(base_test_result.ResultType.FAIL) |
| if 'stack' in bundle: |
| current_result.SetLog(bundle['stack']) |
| |
| if current_result: |
| if current_result.GetType() == base_test_result.ResultType.UNKNOWN: |
| crashed = (result_code == _ACTIVITY_RESULT_CANCELED |
| and any(_NATIVE_CRASH_RE.search(l) |
| for l in result_bundle.itervalues())) |
| if crashed: |
| current_result.SetType(base_test_result.ResultType.CRASH) |
| |
| results.append(current_result) |
| |
| return results |
| |
| |
| def ParseCommandLineFlagParameters(annotations): |
| """Determines whether the test is parameterized to be run with different |
| command-line flags. |
| |
| Args: |
| annotations: The annotations of the test. |
| |
| Returns: |
| If the test is parameterized, returns a list of named tuples |
| with lists of flags, e.g.: |
| |
| [(add=['--flag-to-add']), (remove=['--flag-to-remove']), ()] |
| |
| That means, the test must be run three times, the first time with |
| "--flag-to-add" added to command-line, the second time with |
| "--flag-to-remove" to be removed from command-line, and the third time |
| with default command-line args. If the same flag is listed both for adding |
| and for removing, it is left unchanged. |
| |
| If the test is not parametrized, returns None. |
| |
| """ |
| ParamsTuple = collections.namedtuple('ParamsTuple', ['add', 'remove']) |
| parameterized_tests = [] |
| if _PARAMETERIZED_TEST_SET_ANNOTATION in annotations: |
| if annotations[_PARAMETERIZED_TEST_SET_ANNOTATION]: |
| parameterized_tests = annotations[ |
| _PARAMETERIZED_TEST_SET_ANNOTATION].get('tests', []) |
| elif _PARAMETERIZED_TEST_ANNOTATION in annotations: |
| parameterized_tests = [annotations[_PARAMETERIZED_TEST_ANNOTATION]] |
| else: |
| return None |
| |
| result = [] |
| for pt in parameterized_tests: |
| if not pt: |
| continue |
| for p in pt['parameters']: |
| if p['tag'] == _COMMAND_LINE_PARAMETER: |
| to_add = [] |
| to_remove = [] |
| for a in p.get('arguments', []): |
| if a['name'] == 'add': |
| to_add = ['--%s' % f for f in a['stringArray']] |
| elif a['name'] == 'remove': |
| to_remove = ['--%s' % f for f in a['stringArray']] |
| result.append(ParamsTuple(to_add, to_remove)) |
| return result if result else None |
| |
| |
| class InstrumentationTestInstance(test_instance.TestInstance): |
| |
| def __init__(self, args, isolate_delegate, error_func): |
| super(InstrumentationTestInstance, self).__init__() |
| |
| self._additional_apks = [] |
| self._apk_under_test = None |
| self._apk_under_test_incremental_install_script = None |
| self._package_info = None |
| self._suite = None |
| self._test_apk = None |
| self._test_apk_incremental_install_script = None |
| self._test_jar = None |
| self._test_package = None |
| self._test_runner = None |
| self._test_support_apk = None |
| self._initializeApkAttributes(args, error_func) |
| |
| self._data_deps = None |
| self._isolate_abs_path = None |
| self._isolate_delegate = None |
| self._isolated_abs_path = None |
| self._test_data = None |
| self._initializeDataDependencyAttributes(args, isolate_delegate) |
| |
| self._annotations = None |
| self._excluded_annotations = None |
| self._test_filter = None |
| self._initializeTestFilterAttributes(args) |
| |
| self._flags = None |
| self._initializeFlagAttributes(args) |
| |
| self._driver_apk = None |
| self._driver_package = None |
| self._driver_name = None |
| self._initializeDriverAttributes() |
| |
| self._timeout_scale = None |
| self._initializeTestControlAttributes(args) |
| |
| def _initializeApkAttributes(self, args, error_func): |
| if args.apk_under_test: |
| apk_under_test_path = args.apk_under_test |
| if not args.apk_under_test.endswith('.apk'): |
| apk_under_test_path = os.path.join( |
| constants.GetOutDirectory(), constants.SDK_BUILD_APKS_DIR, |
| '%s.apk' % args.apk_under_test) |
| |
| if not os.path.exists(apk_under_test_path): |
| error_func('Unable to find APK under test: %s' % apk_under_test_path) |
| |
| self._apk_under_test = apk_helper.ToHelper(apk_under_test_path) |
| |
| if args.test_apk.endswith('.apk'): |
| self._suite = os.path.splitext(os.path.basename(args.test_apk))[0] |
| self._test_apk = apk_helper.ToHelper(args.test_apk) |
| else: |
| self._suite = args.test_apk |
| self._test_apk = apk_helper.ToHelper(os.path.join( |
| constants.GetOutDirectory(), constants.SDK_BUILD_APKS_DIR, |
| '%s.apk' % args.test_apk)) |
| |
| self._apk_under_test_incremental_install_script = ( |
| args.apk_under_test_incremental_install_script) |
| self._test_apk_incremental_install_script = ( |
| args.test_apk_incremental_install_script) |
| |
| if self._test_apk_incremental_install_script: |
| assert self._suite.endswith('_incremental') |
| self._suite = self._suite[:-len('_incremental')] |
| |
| self._test_jar = os.path.join( |
| constants.GetOutDirectory(), constants.SDK_BUILD_TEST_JAVALIB_DIR, |
| '%s.jar' % self._suite) |
| self._test_support_apk = apk_helper.ToHelper(os.path.join( |
| constants.GetOutDirectory(), constants.SDK_BUILD_TEST_JAVALIB_DIR, |
| '%sSupport.apk' % self._suite)) |
| |
| if not os.path.exists(self._test_apk.path): |
| error_func('Unable to find test APK: %s' % self._test_apk.path) |
| if not os.path.exists(self._test_jar): |
| error_func('Unable to find test JAR: %s' % self._test_jar) |
| |
| self._test_package = self._test_apk.GetPackageName() |
| self._test_runner = self._test_apk.GetInstrumentationName() |
| |
| self._package_info = None |
| if self._apk_under_test: |
| package_under_test = self._apk_under_test.GetPackageName() |
| for package_info in constants.PACKAGE_INFO.itervalues(): |
| if package_under_test == package_info.package: |
| self._package_info = package_info |
| if not self._package_info: |
| logging.warning('Unable to find package info for %s', self._test_package) |
| |
| for apk in args.additional_apks: |
| if not os.path.exists(apk): |
| error_func('Unable to find additional APK: %s' % apk) |
| self._additional_apks = ( |
| [apk_helper.ToHelper(x) for x in args.additional_apks]) |
| |
| def _initializeDataDependencyAttributes(self, args, isolate_delegate): |
| self._data_deps = [] |
| if (args.isolate_file_path and |
| not isolator.IsIsolateEmpty(args.isolate_file_path)): |
| if os.path.isabs(args.isolate_file_path): |
| self._isolate_abs_path = args.isolate_file_path |
| else: |
| self._isolate_abs_path = os.path.join( |
| constants.DIR_SOURCE_ROOT, args.isolate_file_path) |
| self._isolate_delegate = isolate_delegate |
| self._isolated_abs_path = os.path.join( |
| constants.GetOutDirectory(), '%s.isolated' % self._test_package) |
| else: |
| self._isolate_delegate = None |
| |
| # TODO(jbudorick): Deprecate and remove --test-data once data dependencies |
| # are fully converted to isolate. |
| if args.test_data: |
| logging.info('Data dependencies specified via --test-data') |
| self._test_data = args.test_data |
| else: |
| self._test_data = None |
| |
| if not self._isolate_delegate and not self._test_data: |
| logging.warning('No data dependencies will be pushed.') |
| |
| def _initializeTestFilterAttributes(self, args): |
| if args.test_filter: |
| self._test_filter = args.test_filter.replace('#', '.') |
| |
| def annotation_dict_element(a): |
| a = a.split('=') |
| return (a[0], a[1] if len(a) == 2 else None) |
| |
| if args.annotation_str: |
| self._annotations = dict( |
| annotation_dict_element(a) |
| for a in args.annotation_str.split(',')) |
| elif not self._test_filter: |
| self._annotations = dict( |
| annotation_dict_element(a) |
| for a in _DEFAULT_ANNOTATIONS) |
| else: |
| self._annotations = {} |
| |
| if args.exclude_annotation_str: |
| self._excluded_annotations = dict( |
| annotation_dict_element(a) |
| for a in args.exclude_annotation_str.split(',')) |
| else: |
| self._excluded_annotations = {} |
| |
| self._excluded_annotations.update( |
| { |
| a: None for a in _EXCLUDE_UNLESS_REQUESTED_ANNOTATIONS |
| if a not in self._annotations |
| }) |
| |
| def _initializeFlagAttributes(self, args): |
| self._flags = ['--enable-test-intents'] |
| # TODO(jbudorick): Transition "--device-flags" to "--device-flags-file" |
| if hasattr(args, 'device_flags') and args.device_flags: |
| with open(args.device_flags) as device_flags_file: |
| stripped_lines = (l.strip() for l in device_flags_file) |
| self._flags.extend([flag for flag in stripped_lines if flag]) |
| if hasattr(args, 'device_flags_file') and args.device_flags_file: |
| with open(args.device_flags_file) as device_flags_file: |
| stripped_lines = (l.strip() for l in device_flags_file) |
| self._flags.extend([flag for flag in stripped_lines if flag]) |
| if (hasattr(args, 'strict_mode') and |
| args.strict_mode and |
| args.strict_mode != 'off'): |
| self._flags.append('--strict-mode=' + args.strict_mode) |
| |
| def _initializeDriverAttributes(self): |
| self._driver_apk = os.path.join( |
| constants.GetOutDirectory(), constants.SDK_BUILD_APKS_DIR, |
| 'OnDeviceInstrumentationDriver.apk') |
| if os.path.exists(self._driver_apk): |
| driver_apk = apk_helper.ApkHelper(self._driver_apk) |
| self._driver_package = driver_apk.GetPackageName() |
| self._driver_name = driver_apk.GetInstrumentationName() |
| else: |
| self._driver_apk = None |
| |
| def _initializeTestControlAttributes(self, args): |
| self._timeout_scale = args.timeout_scale or 1 |
| |
| @property |
| def additional_apks(self): |
| return self._additional_apks |
| |
| @property |
| def apk_under_test(self): |
| return self._apk_under_test |
| |
| @property |
| def apk_under_test_incremental_install_script(self): |
| return self._apk_under_test_incremental_install_script |
| |
| @property |
| def flags(self): |
| return self._flags |
| |
| @property |
| def driver_apk(self): |
| return self._driver_apk |
| |
| @property |
| def driver_package(self): |
| return self._driver_package |
| |
| @property |
| def driver_name(self): |
| return self._driver_name |
| |
| @property |
| def package_info(self): |
| return self._package_info |
| |
| @property |
| def suite(self): |
| return self._suite |
| |
| @property |
| def test_apk(self): |
| return self._test_apk |
| |
| @property |
| def test_apk_incremental_install_script(self): |
| return self._test_apk_incremental_install_script |
| |
| @property |
| def test_jar(self): |
| return self._test_jar |
| |
| @property |
| def test_support_apk(self): |
| return self._test_support_apk |
| |
| @property |
| def test_package(self): |
| return self._test_package |
| |
| @property |
| def test_runner(self): |
| return self._test_runner |
| |
| @property |
| def timeout_scale(self): |
| return self._timeout_scale |
| |
| #override |
| def TestType(self): |
| return 'instrumentation' |
| |
| #override |
| def SetUp(self): |
| if self._isolate_delegate: |
| self._isolate_delegate.Remap( |
| self._isolate_abs_path, self._isolated_abs_path) |
| self._isolate_delegate.MoveOutputDeps() |
| self._data_deps.extend([(self._isolate_delegate.isolate_deps_dir, None)]) |
| |
| # TODO(jbudorick): Convert existing tests that depend on the --test-data |
| # mechanism to isolate, then remove this. |
| if self._test_data: |
| for t in self._test_data: |
| device_rel_path, host_rel_path = t.split(':') |
| host_abs_path = os.path.join(host_paths.DIR_SOURCE_ROOT, host_rel_path) |
| self._data_deps.extend( |
| [(host_abs_path, |
| [None, 'chrome', 'test', 'data', device_rel_path])]) |
| |
| def GetDataDependencies(self): |
| return self._data_deps |
| |
| def GetTests(self): |
| pickle_path = '%s-proguard.pickle' % self.test_jar |
| try: |
| tests = self._GetTestsFromPickle(pickle_path, self.test_jar) |
| except self.ProguardPickleException as e: |
| logging.info('Getting tests from JAR via proguard. (%s)', str(e)) |
| tests = self._GetTestsFromProguard(self.test_jar) |
| self._SaveTestsToPickle(pickle_path, self.test_jar, tests) |
| return self._ParametrizeTestsWithFlags( |
| self._InflateTests(self._FilterTests(tests))) |
| |
| class ProguardPickleException(Exception): |
| pass |
| |
| def _GetTestsFromPickle(self, pickle_path, jar_path): |
| if not os.path.exists(pickle_path): |
| raise self.ProguardPickleException('%s does not exist.' % pickle_path) |
| if os.path.getmtime(pickle_path) <= os.path.getmtime(jar_path): |
| raise self.ProguardPickleException( |
| '%s newer than %s.' % (jar_path, pickle_path)) |
| |
| with open(pickle_path, 'r') as pickle_file: |
| pickle_data = pickle.loads(pickle_file.read()) |
| jar_md5 = md5sum.CalculateHostMd5Sums(jar_path)[jar_path] |
| |
| try: |
| if pickle_data['VERSION'] != _PICKLE_FORMAT_VERSION: |
| raise self.ProguardPickleException('PICKLE_FORMAT_VERSION has changed.') |
| if pickle_data['JAR_MD5SUM'] != jar_md5: |
| raise self.ProguardPickleException('JAR file MD5 sum differs.') |
| return pickle_data['TEST_METHODS'] |
| except TypeError as e: |
| logging.error(pickle_data) |
| raise self.ProguardPickleException(str(e)) |
| |
| # pylint: disable=no-self-use |
| def _GetTestsFromProguard(self, jar_path): |
| p = proguard.Dump(jar_path) |
| |
| def is_test_class(c): |
| return c['class'].endswith('Test') |
| |
| def is_test_method(m): |
| return m['method'].startswith('test') |
| |
| class_lookup = dict((c['class'], c) for c in p['classes']) |
| def recursive_get_class_annotations(c): |
| s = c['superclass'] |
| if s in class_lookup: |
| a = recursive_get_class_annotations(class_lookup[s]) |
| else: |
| a = {} |
| a.update(c['annotations']) |
| return a |
| |
| def stripped_test_class(c): |
| return { |
| 'class': c['class'], |
| 'annotations': recursive_get_class_annotations(c), |
| 'methods': [m for m in c['methods'] if is_test_method(m)], |
| } |
| |
| return [stripped_test_class(c) for c in p['classes'] |
| if is_test_class(c)] |
| |
| def _SaveTestsToPickle(self, pickle_path, jar_path, tests): |
| jar_md5 = md5sum.CalculateHostMd5Sums(jar_path)[jar_path] |
| pickle_data = { |
| 'VERSION': _PICKLE_FORMAT_VERSION, |
| 'JAR_MD5SUM': jar_md5, |
| 'TEST_METHODS': tests, |
| } |
| with open(pickle_path, 'w') as pickle_file: |
| pickle.dump(pickle_data, pickle_file) |
| |
| def _FilterTests(self, tests): |
| |
| def gtest_filter(c, m): |
| if not self._test_filter: |
| return True |
| # Allow fully-qualified name as well as an omitted package. |
| names = ['%s.%s' % (c['class'], m['method']), |
| '%s.%s' % (c['class'].split('.')[-1], m['method'])] |
| return unittest_util.FilterTestNames(names, self._test_filter) |
| |
| def annotation_filter(all_annotations): |
| if not self._annotations: |
| return True |
| return any_annotation_matches(self._annotations, all_annotations) |
| |
| def excluded_annotation_filter(all_annotations): |
| if not self._excluded_annotations: |
| return True |
| return not any_annotation_matches(self._excluded_annotations, |
| all_annotations) |
| |
| def any_annotation_matches(annotations, all_annotations): |
| return any( |
| ak in all_annotations and (av is None or av == all_annotations[ak]) |
| for ak, av in annotations.iteritems()) |
| |
| filtered_classes = [] |
| for c in tests: |
| filtered_methods = [] |
| for m in c['methods']: |
| # Gtest filtering |
| if not gtest_filter(c, m): |
| continue |
| |
| all_annotations = dict(c['annotations']) |
| all_annotations.update(m['annotations']) |
| |
| # Enforce that all tests declare their size. |
| if not any(a in _VALID_ANNOTATIONS for a in all_annotations): |
| raise MissingSizeAnnotationError('%s.%s' % (c['class'], m['method'])) |
| |
| if (not annotation_filter(all_annotations) |
| or not excluded_annotation_filter(all_annotations)): |
| continue |
| |
| filtered_methods.append(m) |
| |
| if filtered_methods: |
| filtered_class = dict(c) |
| filtered_class['methods'] = filtered_methods |
| filtered_classes.append(filtered_class) |
| |
| return filtered_classes |
| |
| def _InflateTests(self, tests): |
| inflated_tests = [] |
| for c in tests: |
| for m in c['methods']: |
| a = dict(c['annotations']) |
| a.update(m['annotations']) |
| inflated_tests.append({ |
| 'class': c['class'], |
| 'method': m['method'], |
| 'annotations': a, |
| }) |
| return inflated_tests |
| |
| def _ParametrizeTestsWithFlags(self, tests): |
| new_tests = [] |
| for t in tests: |
| parameters = ParseCommandLineFlagParameters(t['annotations']) |
| if parameters: |
| t['flags'] = parameters[0] |
| for p in parameters[1:]: |
| parameterized_t = copy.copy(t) |
| parameterized_t['flags'] = p |
| new_tests.append(parameterized_t) |
| return tests + new_tests |
| |
| def GetDriverEnvironmentVars( |
| self, test_list=None, test_list_file_path=None): |
| env = { |
| _EXTRA_DRIVER_TARGET_PACKAGE: self.test_package, |
| _EXTRA_DRIVER_TARGET_CLASS: self.test_runner, |
| _EXTRA_TIMEOUT_SCALE: self._timeout_scale, |
| } |
| |
| if test_list: |
| env[_EXTRA_DRIVER_TEST_LIST] = ','.join(test_list) |
| |
| if test_list_file_path: |
| env[_EXTRA_DRIVER_TEST_LIST_FILE] = ( |
| os.path.basename(test_list_file_path)) |
| |
| return env |
| |
| @staticmethod |
| def ParseAmInstrumentRawOutput(raw_output): |
| return ParseAmInstrumentRawOutput(raw_output) |
| |
| @staticmethod |
| def GenerateTestResults( |
| result_code, result_bundle, statuses, start_ms, duration_ms): |
| return GenerateTestResults(result_code, result_bundle, statuses, |
| start_ms, duration_ms) |
| |
| #override |
| def TearDown(self): |
| if self._isolate_delegate: |
| self._isolate_delegate.Clear() |
| |
