blob: 2630af9e37a04cb25fd692ac3e8b8b455c9847f3 [file] [log] [blame]
# 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
from devil.android import device_errors
from devil.android import device_temp_file
from devil.android import ports
from devil.utils import reraiser_thread
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
_COMMAND_LINE_FLAGS_SUPPORTED = True
_MAX_INLINE_FLAGS_LENGTH = 50 # Arbitrarily chosen.
_EXTRA_COMMAND_LINE_FILE = (
'org.chromium.native_test.NativeTestActivity.CommandLineFile')
_EXTRA_COMMAND_LINE_FLAGS = (
'org.chromium.native_test.NativeTestActivity.CommandLineFlags')
_EXTRA_TEST_LIST = (
'org.chromium.native_test.NativeTestInstrumentationTestRunner'
'.TestList')
_EXTRA_TEST = (
'org.chromium.native_test.NativeTestInstrumentationTestRunner'
'.Test')
_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
# 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', '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
# TODO(jbudorick): Move this inside _ApkDelegate once TestPackageApk is gone.
def PullAppFilesImpl(device, package, files, directory):
device_dir = device.GetApplicationDataDirectory(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))
host_file_base, ext = os.path.splitext(host_file)
for i in itertools.count():
host_file = '%s_%d%s' % (host_file_base, i, ext)
if not os.path.exists(host_file):
break
device.PullFile(device_file, host_file)
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):
self._activity = test_instance.activity
self._apk_helper = test_instance.apk_helper
self._test_apk_incremental_install_script = (
test_instance.test_apk_incremental_install_script)
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
def Install(self, device):
if self._test_apk_incremental_install_script:
local_device_test_run.IncrementalInstall(device, self._apk_helper,
self._test_apk_incremental_install_script)
else:
device.Install(self._apk_helper, reinstall=True,
permissions=self._permissions)
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)
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]
with command_line_file, test_list_file:
try:
return device.StartInstrumentation(
self._component, extras=extras, raw=False, **kwargs)
except Exception:
device.ForceStop(self._package)
raise
def PullAppFiles(self, device, files, directory):
PullAppFilesImpl(device, self._package, files, directory)
def Clear(self, device):
device.ClearApplicationState(self._package, permissions=self._permissions)
class _ExeDelegate(object):
def __init__(self, tr, dist_dir):
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
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 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
}
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
output = device.RunShellCommand(
cmd, cwd=cwd, env=env, check_return=True, 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)
if self._test_instance.apk:
self._delegate = _ApkDelegate(self._test_instance)
elif self._test_instance.exe_dist_dir:
self._delegate = _ExeDelegate(self, self._test_instance.exe_dist_dir)
self._crashes = set()
self._servers = collections.defaultdict(list)
#override
def TestPackage(self):
return self._test_instance.suite
#override
def SetUp(self):
@local_device_test_run.handle_shard_failures_with(
on_failure=self._env.BlacklistDevice)
def individual_device_set_up(dev):
def install_apk():
# Install test APK.
self._delegate.Install(dev)
def push_test_data():
# Push data dependencies.
external_storage = dev.GetExternalStoragePath()
data_deps = self._test_instance.GetDataDependencies()
host_device_tuples = [
(h, d if d is not None else external_storage)
for h, d in data_deps]
dev.PushChangedFiles(host_device_tuples)
def init_tool_and_start_servers():
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()
steps = (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)
#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_test_run.handle_shard_failures_with(
on_failure=self._env.BlacklistDevice)
def list_tests(dev):
raw_test_list = self._delegate.Run(
None, dev, flags='--gtest_list_tests', timeout=30)
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)
tests = self._test_instance.FilterTests(tests)
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')
return list(sorted(set().union(*[set(tl) for tl in test_lists if tl])))
#override
def _RunTest(self, device, test):
# Run the test.
timeout = (self._test_instance.shard_timeout
* self.GetTool(device).GetTimeoutScale())
output = self._delegate.Run(
test, device, flags=self._test_instance.test_arguments,
timeout=timeout, retries=0)
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)
# Parse the output.
# TODO(jbudorick): Transition test scripts away from parsing stdout.
results = self._test_instance.ParseGTestOutput(output)
# Check whether there are any crashed testcases.
self._crashes.update(r.GetName() for r in results
if r.GetType() == base_test_result.ResultType.CRASH)
return results
#override
def TearDown(self):
@local_device_test_run.handle_shard_failures
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)