blob: c669e3565b096cc0b868735095a35bbb3af2abc8 [file] [log] [blame]
#!/usr/bin/env vpython3
#
# Copyright 2018 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 argparse
import collections
import json
import logging
import os
import pipes
import re
import shutil
import signal
import socket
import sys
import tempfile
# The following non-std imports are fetched via vpython. See the list at
# //.vpython
import dateutil.parser # pylint: disable=import-error
import jsonlines # pylint: disable=import-error
import psutil # pylint: disable=import-error
import six
CHROMIUM_SRC_PATH = os.path.abspath(
os.path.join(os.path.dirname(__file__), '..', '..'))
# Use the android test-runner's gtest results support library for generating
# output json ourselves.
sys.path.insert(0, os.path.join(CHROMIUM_SRC_PATH, 'build', 'android'))
from pylib.base import base_test_result # pylint: disable=import-error
from pylib.base import result_sink # pylint: disable=import-error
from pylib.results import json_results # pylint: disable=import-error
if six.PY2:
import subprocess32 as subprocess # pylint: disable=import-error
else:
import subprocess # pylint: disable=import-error,wrong-import-order
DEFAULT_CROS_CACHE = os.path.abspath(
os.path.join(CHROMIUM_SRC_PATH, 'build', 'cros_cache'))
CHROMITE_PATH = os.path.abspath(
os.path.join(CHROMIUM_SRC_PATH, 'third_party', 'chromite'))
CROS_RUN_TEST_PATH = os.path.abspath(
os.path.join(CHROMITE_PATH, 'bin', 'cros_run_test'))
LACROS_LAUNCHER_SCRIPT_PATH = os.path.abspath(
os.path.join(CHROMIUM_SRC_PATH, 'build', 'lacros',
'mojo_connection_lacros_launcher.py'))
# This is a special hostname that resolves to a different DUT in the lab
# depending on which lab machine you're on.
LAB_DUT_HOSTNAME = 'variable_chromeos_device_hostname'
SYSTEM_LOG_LOCATIONS = [
'/var/log/chrome/',
'/var/log/messages',
'/var/log/ui/',
]
TAST_DEBUG_DOC = 'https://bit.ly/2LgvIXz'
class TestFormatError(Exception):
pass
class RemoteTest(object):
# This is a basic shell script that can be appended to in order to invoke the
# test on the device.
BASIC_SHELL_SCRIPT = [
'#!/bin/sh',
# /home and /tmp are mounted with "noexec" in the device, but some of our
# tools and tests use those dirs as a workspace (eg: vpython downloads
# python binaries to ~/.vpython-root and /tmp/vpython_bootstrap).
# /usr/local/tmp doesn't have this restriction, so change the location of
# the home and temp dirs for the duration of the test.
'export HOME=/usr/local/tmp',
'export TMPDIR=/usr/local/tmp',
]
def __init__(self, args, unknown_args):
self._additional_args = unknown_args
self._path_to_outdir = args.path_to_outdir
self._test_launcher_summary_output = args.test_launcher_summary_output
self._logs_dir = args.logs_dir
self._use_vm = args.use_vm
self._rdb_client = result_sink.TryInitClient()
self._retries = 0
self._timeout = None
self._test_launcher_shard_index = args.test_launcher_shard_index
self._test_launcher_total_shards = args.test_launcher_total_shards
# The location on disk of a shell script that can be optionally used to
# invoke the test on the device. If it's not set, we assume self._test_cmd
# contains the test invocation.
self._on_device_script = None
self._test_cmd = [
CROS_RUN_TEST_PATH,
'--board',
args.board,
'--cache-dir',
args.cros_cache,
]
if args.use_vm:
self._test_cmd += [
'--start',
# Don't persist any filesystem changes after the VM shutsdown.
'--copy-on-write',
]
else:
self._test_cmd += [
'--device', args.device if args.device else LAB_DUT_HOSTNAME
]
if args.logs_dir:
for log in SYSTEM_LOG_LOCATIONS:
self._test_cmd += ['--results-src', log]
self._test_cmd += [
'--results-dest-dir',
os.path.join(args.logs_dir, 'system_logs')
]
if args.flash:
self._test_cmd += ['--flash']
if args.public_image:
self._test_cmd += ['--public-image']
# This environment variable is set for tests that have been instrumented
# for code coverage. Its incoming value is expected to be a location
# inside a subdirectory of result_dir above. This is converted to an
# absolute path that the vm is able to write to, and passed in the
# --results-src flag to cros_run_vm_test for copying out of the vm before
# its termination.
self._llvm_profile_var = None
if os.environ.get('LLVM_PROFILE_FILE'):
_, llvm_profile_file = os.path.split(os.environ['LLVM_PROFILE_FILE'])
self._llvm_profile_var = '/tmp/profraw/%s' % llvm_profile_file
# This should make the vm test runner exfil the profiling data.
self._test_cmd += ['--results-src', '/tmp/profraw']
self._test_env = setup_env()
@property
def suite_name(self):
raise NotImplementedError('Child classes need to define suite name.')
@property
def test_cmd(self):
return self._test_cmd
def write_test_script_to_disk(self, script_contents):
# Since we're using an on_device_script to invoke the test, we'll need to
# set cwd.
self._test_cmd += [
'--remote-cmd',
'--cwd',
os.path.relpath(self._path_to_outdir, CHROMIUM_SRC_PATH),
]
logging.info('Running the following command on the device:')
logging.info('\n' + '\n'.join(script_contents))
fd, tmp_path = tempfile.mkstemp(suffix='.sh', dir=self._path_to_outdir)
os.fchmod(fd, 0o755)
with os.fdopen(fd, 'w') as f:
f.write('\n'.join(script_contents) + '\n')
return tmp_path
def run_test(self):
# Traps SIGTERM and kills all child processes of cros_run_test when it's
# caught. This will allow us to capture logs from the device if a test hangs
# and gets timeout-killed by swarming. See also:
# https://chromium.googlesource.com/infra/luci/luci-py/+/master/appengine/swarming/doc/Bot.md#graceful-termination_aka-the-sigterm-and-sigkill-dance
test_proc = None
def _kill_child_procs(trapped_signal, _):
logging.warning('Received signal %d. Killing child processes of test.',
trapped_signal)
if not test_proc or not test_proc.pid:
# This shouldn't happen?
logging.error('Test process not running.')
return
for child in psutil.Process(test_proc.pid).children():
logging.warning('Killing process %s', child)
child.kill()
signal.signal(signal.SIGTERM, _kill_child_procs)
for i in range(self._retries + 1):
logging.info('########################################')
logging.info('Test attempt #%d', i)
logging.info('########################################')
test_proc = subprocess.Popen(
self._test_cmd,
stdout=sys.stdout,
stderr=sys.stderr,
env=self._test_env)
try:
test_proc.wait(timeout=self._timeout)
except subprocess.TimeoutExpired: # pylint: disable=no-member
logging.error('Test timed out. Sending SIGTERM.')
# SIGTERM the proc and wait 10s for it to close.
test_proc.terminate()
try:
test_proc.wait(timeout=10)
except subprocess.TimeoutExpired: # pylint: disable=no-member
# If it hasn't closed in 10s, SIGKILL it.
logging.error('Test did not exit in time. Sending SIGKILL.')
test_proc.kill()
test_proc.wait()
logging.info('Test exitted with %d.', test_proc.returncode)
if test_proc.returncode == 0:
break
ret = self.post_run(test_proc.returncode)
# Allow post_run to override test proc return code. (Useful when the host
# side Tast bin returns 0 even for failed tests.)
if ret is not None:
return ret
return test_proc.returncode
def post_run(self, return_code):
if self._on_device_script:
os.remove(self._on_device_script)
# Create a simple json results file for a test run. The results will contain
# only one test (suite_name), and will either be a PASS or FAIL depending on
# return_code.
if self._test_launcher_summary_output:
result = (
base_test_result.ResultType.FAIL
if return_code else base_test_result.ResultType.PASS)
suite_result = base_test_result.BaseTestResult(self.suite_name, result)
run_results = base_test_result.TestRunResults()
run_results.AddResult(suite_result)
with open(self._test_launcher_summary_output, 'w') as f:
json.dump(json_results.GenerateResultsDict([run_results]), f)
@staticmethod
def get_artifacts(path):
"""Crawls a given directory for file artifacts to attach to a test.
Args:
path: Path to a directory to search for artifacts.
Returns:
A dict mapping name of the artifact to its absolute filepath.
"""
artifacts = {}
for dirpath, _, filenames in os.walk(path):
for f in filenames:
artifact_path = os.path.join(dirpath, f)
artifacts[os.path.relpath(artifact_path, path)] = {
'filePath': artifact_path,
}
return artifacts
class TastTest(RemoteTest):
def __init__(self, args, unknown_args):
super(TastTest, self).__init__(args, unknown_args)
self._suite_name = args.suite_name
self._tast_vars = args.tast_vars
self._tests = args.tests
# The CQ passes in '--gtest_filter' when specifying tests to skip. Store it
# here and parse it later to integrate it into Tast executions.
self._gtest_style_filter = args.gtest_filter
self._attr_expr = args.attr_expr
self._should_strip = args.strip_chrome
self._deploy_lacros = args.deploy_lacros
if self._deploy_lacros and self._should_strip:
raise TestFormatError(
'--strip-chrome is only applicable to ash-chrome because '
'lacros-chrome deployment uses --nostrip by default, so it cannot '
'be specificed with --deploy-lacros.')
if not self._llvm_profile_var and not self._logs_dir:
# The host-side Tast bin returns 0 when tests fail, so we need to capture
# and parse its json results to reliably determine if tests fail.
raise TestFormatError(
'When using the host-side Tast bin, "--logs-dir" must be passed in '
'order to parse its results.')
# If the first test filter is negative, it should be safe to assume all of
# them are, so just test the first filter.
if self._gtest_style_filter and self._gtest_style_filter[0] == '-':
raise TestFormatError('Negative test filters not supported for Tast.')
@property
def suite_name(self):
return self._suite_name
def build_test_command(self):
unsupported_args = [
'--test-launcher-retry-limit',
'--test-launcher-batch-limit',
'--gtest_repeat',
]
for unsupported_arg in unsupported_args:
if any(arg.startswith(unsupported_arg) for arg in self._additional_args):
logging.info(
'%s not supported for Tast tests. The arg will be ignored.',
unsupported_arg)
self._additional_args = [
arg for arg in self._additional_args
if not arg.startswith(unsupported_arg)
]
# Lacros deployment mounts itself by default.
self._test_cmd.extend([
'--deploy-lacros', '--lacros-launcher-script',
LACROS_LAUNCHER_SCRIPT_PATH
] if self._deploy_lacros else ['--deploy', '--mount'])
self._test_cmd += [
'--build-dir',
os.path.relpath(self._path_to_outdir, CHROMIUM_SRC_PATH)
] + self._additional_args
# Coverage tests require some special pre-test setup, so use an
# on_device_script in that case. For all other tests, use cros_run_test's
# built-in '--tast' option. This gives us much better results reporting.
if self._llvm_profile_var:
# Build the shell script that will be used on the device to invoke the
# test.
device_test_script_contents = self.BASIC_SHELL_SCRIPT[:]
device_test_script_contents += [
'echo "LLVM_PROFILE_FILE=%s" >> /etc/chrome_dev.conf' %
(self._llvm_profile_var)
]
local_test_runner_cmd = ['local_test_runner', '-waituntilready']
if self._use_vm:
# If we're running tests in VMs, tell the test runner to skip tests that
# aren't compatible.
local_test_runner_cmd.append('-extrauseflags=tast_vm')
if self._attr_expr:
local_test_runner_cmd.append(pipes.quote(self._attr_expr))
else:
local_test_runner_cmd.extend(self._tests)
device_test_script_contents.append(' '.join(local_test_runner_cmd))
self._on_device_script = self.write_test_script_to_disk(
device_test_script_contents)
self._test_cmd += [
'--files',
os.path.relpath(self._on_device_script), '--',
'./' + os.path.relpath(self._on_device_script, self._path_to_outdir)
]
else:
# Capture tast's results in the logs dir as well.
if self._logs_dir:
self._test_cmd += [
'--results-dir',
self._logs_dir,
]
self._test_cmd += [
'--tast-total-shards=%d' % self._test_launcher_total_shards,
'--tast-shard-index=%d' % self._test_launcher_shard_index,
]
# If we're using a test filter, replace the contents of the Tast
# conditional with a long list of "name:test" expressions, one for each
# test in the filter.
if self._gtest_style_filter:
if self._attr_expr or self._tests:
logging.warning(
'Presence of --gtest_filter will cause the specified Tast expr'
' or test list to be ignored.')
names = []
for test in self._gtest_style_filter.split(':'):
names.append('"name:%s"' % test)
self._attr_expr = '(' + ' || '.join(names) + ')'
if self._attr_expr:
# Don't use pipes.quote() here. Something funky happens with the arg
# as it gets passed down from cros_run_test to tast. (Tast picks up the
# escaping single quotes and complains that the attribute expression
# "must be within parentheses".)
self._test_cmd.append('--tast=%s' % self._attr_expr)
else:
self._test_cmd.append('--tast')
self._test_cmd.extend(self._tests)
for v in self._tast_vars or []:
self._test_cmd.extend(['--tast-var', v])
# Mounting ash-chrome gives it enough disk space to not need stripping,
# but only for one not instrumented with code coverage.
# Lacros uses --nostrip by default, so there is no need to specify.
if not self._deploy_lacros and not self._should_strip:
self._test_cmd.append('--nostrip')
def post_run(self, return_code):
# If we don't need to parse the host-side Tast tool's results, fall back to
# the parent method's default behavior.
if self._llvm_profile_var:
return super(TastTest, self).post_run(return_code)
tast_results_path = os.path.join(self._logs_dir, 'streamed_results.jsonl')
if not os.path.exists(tast_results_path):
logging.error(
'Tast results not found at %s. Falling back to generic result '
'reporting.', tast_results_path)
return super(TastTest, self).post_run(return_code)
# See the link below for the format of the results:
# https://godoc.org/chromium.googlesource.com/chromiumos/platform/tast.git/src/chromiumos/cmd/tast/run#TestResult
with jsonlines.open(tast_results_path) as reader:
tast_results = collections.deque(reader)
suite_results = base_test_result.TestRunResults()
for test in tast_results:
errors = test['errors']
start, end = test['start'], test['end']
# Use dateutil to parse the timestamps since datetime can't handle
# nanosecond precision.
duration = dateutil.parser.parse(end) - dateutil.parser.parse(start)
duration_ms = duration.total_seconds() * 1000
if bool(test['skipReason']):
result = base_test_result.ResultType.SKIP
elif errors:
result = base_test_result.ResultType.FAIL
else:
result = base_test_result.ResultType.PASS
error_log = ''
if errors:
# See the link below for the format of these errors:
# https://godoc.org/chromium.googlesource.com/chromiumos/platform/tast.git/src/chromiumos/tast/testing#Error
for err in errors:
error_log += err['stack'] + '\n'
error_log += (
"\nIf you're unsure why this test failed, consult the steps "
'outlined in\n%s\n' % TAST_DEBUG_DOC)
base_result = base_test_result.BaseTestResult(
test['name'], result, duration=duration_ms, log=error_log)
suite_results.AddResult(base_result)
self._maybe_handle_perf_results(test['name'])
if self._rdb_client:
# Walk the contents of the test's "outDir" and atttach any file found
# inside as an RDB 'artifact'. (This could include system logs, screen
# shots, etc.)
artifacts = self.get_artifacts(test['outDir'])
self._rdb_client.Post(test['name'], result, duration_ms, error_log,
artifacts)
if self._rdb_client and self._logs_dir:
# Attach artifacts from the device that don't apply to a single test.
artifacts = self.get_artifacts(
os.path.join(self._logs_dir, 'system_logs'))
artifacts.update(
self.get_artifacts(os.path.join(self._logs_dir, 'crashes')))
self._rdb_client.ReportInvocationLevelArtifacts(artifacts)
if self._test_launcher_summary_output:
with open(self._test_launcher_summary_output, 'w') as f:
json.dump(json_results.GenerateResultsDict([suite_results]), f)
if not suite_results.DidRunPass():
return 1
elif return_code:
logging.warning(
'No failed tests found, but exit code of %d was returned from '
'cros_run_test.', return_code)
return return_code
return 0
def _maybe_handle_perf_results(self, test_name):
"""Prepares any perf results from |test_name| for process_perf_results.
- process_perf_results looks for top level directories containing a
perf_results.json file and a test_results.json file. The directory names
are used as the benchmark names.
- If a perf_results.json or results-chart.json file exists in the
|test_name| results directory, a top level directory is created and the
perf results file is copied to perf_results.json.
- A trivial test_results.json file is also created to indicate that the test
succeeded (this function would not be called otherwise).
- When process_perf_results is run, it will find the expected files in the
named directory and upload the benchmark results.
"""
perf_results = os.path.join(self._logs_dir, 'tests', test_name,
'perf_results.json')
# TODO(stevenjb): Remove check for crosbolt results-chart.json file.
if not os.path.exists(perf_results):
perf_results = os.path.join(self._logs_dir, 'tests', test_name,
'results-chart.json')
if os.path.exists(perf_results):
benchmark_dir = os.path.join(self._logs_dir, test_name)
if not os.path.isdir(benchmark_dir):
os.makedirs(benchmark_dir)
shutil.copyfile(perf_results,
os.path.join(benchmark_dir, 'perf_results.json'))
# process_perf_results.py expects a test_results.json file.
test_results = {'valid': True, 'failures': []}
with open(os.path.join(benchmark_dir, 'test_results.json'), 'w') as out:
json.dump(test_results, out)
class GTestTest(RemoteTest):
# The following list corresponds to paths that should not be copied over to
# the device during tests. In other words, these files are only ever used on
# the host.
_FILE_IGNORELIST = [
re.compile(r'.*build/android.*'),
re.compile(r'.*build/chromeos.*'),
re.compile(r'.*build/cros_cache.*'),
# The following matches anything under //testing/ that isn't under
# //testing/buildbot/filters/.
re.compile(r'.*testing/(?!buildbot/filters).*'),
re.compile(r'.*third_party/chromite.*'),
]
def __init__(self, args, unknown_args):
super(GTestTest, self).__init__(args, unknown_args)
self._test_exe = args.test_exe
self._runtime_deps_path = args.runtime_deps_path
self._vpython_dir = args.vpython_dir
self._on_device_script = None
self._env_vars = args.env_var
self._stop_ui = args.stop_ui
self._trace_dir = args.trace_dir
@property
def suite_name(self):
return self._test_exe
def build_test_command(self):
# To keep things easy for us, ensure both types of output locations are
# the same.
if self._test_launcher_summary_output and self._logs_dir:
json_out_dir = os.path.dirname(self._test_launcher_summary_output) or '.'
if os.path.abspath(json_out_dir) != os.path.abspath(self._logs_dir):
raise TestFormatError(
'--test-launcher-summary-output and --logs-dir must point to '
'the same directory.')
if self._test_launcher_summary_output:
result_dir, result_file = os.path.split(
self._test_launcher_summary_output)
# If args.test_launcher_summary_output is a file in cwd, result_dir will
# be an empty string, so replace it with '.' when this is the case so
# cros_run_test can correctly handle it.
if not result_dir:
result_dir = '.'
device_result_file = '/tmp/%s' % result_file
self._test_cmd += [
'--results-src',
device_result_file,
'--results-dest-dir',
result_dir,
]
if self._trace_dir and self._logs_dir:
trace_path = os.path.dirname(self._trace_dir) or '.'
if os.path.abspath(trace_path) != os.path.abspath(self._logs_dir):
raise TestFormatError(
'--trace-dir and --logs-dir must point to the same directory.')
if self._trace_dir:
trace_path, trace_dirname = os.path.split(self._trace_dir)
device_trace_dir = '/tmp/%s' % trace_dirname
self._test_cmd += [
'--results-src',
device_trace_dir,
'--results-dest-dir',
trace_path,
]
# Build the shell script that will be used on the device to invoke the test.
# Stored here as a list of lines.
device_test_script_contents = self.BASIC_SHELL_SCRIPT[:]
if self._llvm_profile_var:
device_test_script_contents += [
'export LLVM_PROFILE_FILE=%s' % self._llvm_profile_var,
]
for var_name, var_val in self._env_vars:
device_test_script_contents += ['export %s=%s' % (var_name, var_val)]
if self._vpython_dir:
vpython_path = os.path.join(self._path_to_outdir, self._vpython_dir,
'vpython')
cpython_path = os.path.join(self._path_to_outdir, self._vpython_dir,
'bin', 'python')
if not os.path.exists(vpython_path) or not os.path.exists(cpython_path):
raise TestFormatError(
'--vpython-dir must point to a dir with both infra/python/cpython '
'and infra/tools/luci/vpython installed.')
vpython_spec_path = os.path.relpath(
os.path.join(CHROMIUM_SRC_PATH, '.vpython'), self._path_to_outdir)
# Initialize the vpython cache. This can take 10-20s, and some tests
# can't afford to wait that long on the first invocation.
device_test_script_contents.extend([
'export PATH=$PWD/%s:$PWD/%s/bin/:$PATH' %
(self._vpython_dir, self._vpython_dir),
'vpython -vpython-spec %s -vpython-tool install' %
(vpython_spec_path),
])
test_invocation = ('LD_LIBRARY_PATH=./ ./%s --test-launcher-shard-index=%d '
'--test-launcher-total-shards=%d' %
(self._test_exe, self._test_launcher_shard_index,
self._test_launcher_total_shards))
if self._test_launcher_summary_output:
test_invocation += ' --test-launcher-summary-output=%s' % (
device_result_file)
if self._trace_dir:
device_test_script_contents.extend([
'rm -rf %s' % device_trace_dir,
'su chronos -c -- "mkdir -p %s"' % device_trace_dir,
])
test_invocation += ' --trace-dir=%s' % device_trace_dir
if self._additional_args:
test_invocation += ' %s' % ' '.join(self._additional_args)
if self._stop_ui:
device_test_script_contents += [
'stop ui',
]
# The UI service on the device owns the chronos user session, so shutting
# it down as chronos kills the entire execution of the test. So we'll have
# to run as root up until the test invocation.
test_invocation = 'su chronos -c -- "%s"' % test_invocation
# And we'll need to chown everything since cros_run_test's "--as-chronos"
# option normally does that for us.
device_test_script_contents.append('chown -R chronos: ../..')
else:
self._test_cmd += [
# Some tests fail as root, so run as the less privileged user
# 'chronos'.
'--as-chronos',
]
device_test_script_contents.append(test_invocation)
self._on_device_script = self.write_test_script_to_disk(
device_test_script_contents)
runtime_files = [os.path.relpath(self._on_device_script)]
runtime_files += self._read_runtime_files()
if self._vpython_dir:
# --vpython-dir is relative to the out dir, but --files expects paths
# relative to src dir, so fix the path up a bit.
runtime_files.append(
os.path.relpath(
os.path.abspath(
os.path.join(self._path_to_outdir, self._vpython_dir)),
CHROMIUM_SRC_PATH))
# TODO(bpastene): Add the vpython spec to the test's runtime deps instead
# of handling it here.
runtime_files.append('.vpython')
for f in runtime_files:
self._test_cmd.extend(['--files', f])
self._test_cmd += [
'--',
'./' + os.path.relpath(self._on_device_script, self._path_to_outdir)
]
def _read_runtime_files(self):
if not self._runtime_deps_path:
return []
abs_runtime_deps_path = os.path.abspath(
os.path.join(self._path_to_outdir, self._runtime_deps_path))
with open(abs_runtime_deps_path) as runtime_deps_file:
files = [l.strip() for l in runtime_deps_file if l]
rel_file_paths = []
for f in files:
rel_file_path = os.path.relpath(
os.path.abspath(os.path.join(self._path_to_outdir, f)))
if not any(regex.match(rel_file_path) for regex in self._FILE_IGNORELIST):
rel_file_paths.append(rel_file_path)
return rel_file_paths
def post_run(self, _):
if self._on_device_script:
os.remove(self._on_device_script)
def device_test(args, unknown_args):
# cros_run_test has trouble with relative paths that go up directories,
# so cd to src/, which should be the root of all data deps.
os.chdir(CHROMIUM_SRC_PATH)
# pylint: disable=redefined-variable-type
# TODO: Remove the above when depot_tool's pylint is updated to include the
# fix to https://github.com/PyCQA/pylint/issues/710.
if args.test_type == 'tast':
test = TastTest(args, unknown_args)
else:
test = GTestTest(args, unknown_args)
test.build_test_command()
logging.info('Running the following command on the device:')
logging.info(' '.join(test.test_cmd))
return test.run_test()
def host_cmd(args, cmd_args):
if not cmd_args:
raise TestFormatError('Must specify command to run on the host.')
elif args.deploy_chrome and not args.path_to_outdir:
raise TestFormatError(
'--path-to-outdir must be specified if --deploy-chrome is passed.')
cros_run_test_cmd = [
CROS_RUN_TEST_PATH,
'--board',
args.board,
'--cache-dir',
os.path.join(CHROMIUM_SRC_PATH, args.cros_cache),
]
if args.use_vm:
cros_run_test_cmd += [
'--start',
# Don't persist any filesystem changes after the VM shutsdown.
'--copy-on-write',
]
else:
cros_run_test_cmd += [
'--device', args.device if args.device else LAB_DUT_HOSTNAME
]
if args.verbose:
cros_run_test_cmd.append('--debug')
if args.flash:
cros_run_test_cmd.append('--flash')
if args.public_image:
cros_run_test_cmd += ['--public-image']
if args.logs_dir:
for log in SYSTEM_LOG_LOCATIONS:
cros_run_test_cmd += ['--results-src', log]
cros_run_test_cmd += [
'--results-dest-dir',
os.path.join(args.logs_dir, 'system_logs')
]
test_env = setup_env()
if args.deploy_chrome or args.deploy_lacros:
# Mounting ash-chrome gives it enough disk space to not need stripping.
cros_run_test_cmd.extend([
'--deploy-lacros', '--lacros-launcher-script',
LACROS_LAUNCHER_SCRIPT_PATH
] if args.deploy_lacros else ['--deploy', '--mount', '--nostrip'])
cros_run_test_cmd += [
'--build-dir',
os.path.join(CHROMIUM_SRC_PATH, args.path_to_outdir)
]
cros_run_test_cmd += [
'--host-cmd',
'--',
] + cmd_args
logging.info('Running the following command:')
logging.info(' '.join(cros_run_test_cmd))
return subprocess.call(
cros_run_test_cmd, stdout=sys.stdout, stderr=sys.stderr, env=test_env)
def setup_env():
"""Returns a copy of the current env with some needed vars added."""
env = os.environ.copy()
# Some chromite scripts expect chromite/bin to be on PATH.
env['PATH'] = env['PATH'] + ':' + os.path.join(CHROMITE_PATH, 'bin')
# deploy_chrome needs a set of GN args used to build chrome to determine if
# certain libraries need to be pushed to the device. It looks for the args via
# an env var. To trigger the default deploying behavior, give it a dummy set
# of args.
# TODO(crbug.com/823996): Make the GN-dependent deps controllable via cmd
# line args.
if not env.get('GN_ARGS'):
env['GN_ARGS'] = 'enable_nacl = true'
if not env.get('USE'):
env['USE'] = 'highdpi'
return env
def add_common_args(*parsers):
for parser in parsers:
parser.add_argument('--verbose', '-v', action='store_true')
parser.add_argument(
'--board', type=str, required=True, help='Type of CrOS device.')
parser.add_argument(
'--cros-cache',
type=str,
default=DEFAULT_CROS_CACHE,
help='Path to cros cache.')
parser.add_argument(
'--path-to-outdir',
type=str,
required=True,
help='Path to output directory, all of whose contents will be '
'deployed to the device.')
parser.add_argument(
'--runtime-deps-path',
type=str,
help='Runtime data dependency file from GN.')
parser.add_argument(
'--vpython-dir',
type=str,
help='Location on host of a directory containing a vpython binary to '
'deploy to the device before the test starts. The location of '
'this dir will be added onto PATH in the device. WARNING: The '
'arch of the device might not match the arch of the host, so '
'avoid using "${platform}" when downloading vpython via CIPD.')
parser.add_argument(
'--logs-dir',
type=str,
dest='logs_dir',
help='Will copy everything under /var/log/ from the device after the '
'test into the specified dir.')
# Shard args are parsed here since we might also specify them via env vars.
parser.add_argument(
'--test-launcher-shard-index',
type=int,
default=os.environ.get('GTEST_SHARD_INDEX', 0),
help='Index of the external shard to run.')
parser.add_argument(
'--test-launcher-total-shards',
type=int,
default=os.environ.get('GTEST_TOTAL_SHARDS', 1),
help='Total number of external shards.')
parser.add_argument(
'--flash',
action='store_true',
help='Will flash the device to the current SDK version before running '
'the test.')
parser.add_argument(
'--public-image',
action='store_true',
help='Will flash a public "full" image to the device.')
vm_or_device_group = parser.add_mutually_exclusive_group()
vm_or_device_group.add_argument(
'--use-vm',
action='store_true',
help='Will run the test in the VM instead of a device.')
vm_or_device_group.add_argument(
'--device',
type=str,
help='Hostname (or IP) of device to run the test on. This arg is not '
'required if --use-vm is set.')
def main():
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='test_type')
# Host-side test args.
host_cmd_parser = subparsers.add_parser(
'host-cmd',
help='Runs a host-side test. Pass the host-side command to run after '
'"--". If --use-vm is passed, hostname and port for the device '
'will be 127.0.0.1:9222.')
host_cmd_parser.set_defaults(func=host_cmd)
host_cmd_parser.add_argument(
'--deploy-chrome',
action='store_true',
help='Will deploy a locally built ash-chrome binary to the device before '
'running the host-cmd.')
host_cmd_parser.add_argument(
'--deploy-lacros',
action='store_true',
help='Deploy a lacros-chrome instead of ash-chrome.')
gtest_parser = subparsers.add_parser(
'gtest', help='Runs a device-side gtest.')
gtest_parser.set_defaults(func=device_test)
gtest_parser.add_argument(
'--test-exe',
type=str,
required=True,
help='Path to test executable to run inside the device.')
# GTest args. Some are passed down to the test binary in the device. Others
# are parsed here since they might need tweaking or special handling.
gtest_parser.add_argument(
'--test-launcher-summary-output',
type=str,
help='When set, will pass the same option down to the test and retrieve '
'its result file at the specified location.')
gtest_parser.add_argument(
'--stop-ui',
action='store_true',
help='Will stop the UI service in the device before running the test.')
gtest_parser.add_argument(
'--trace-dir',
type=str,
help='When set, will pass down to the test to generate the trace and '
'retrieve the trace files to the specified location.')
gtest_parser.add_argument(
'--env-var',
nargs=2,
action='append',
default=[],
help='Env var to set on the device for the duration of the test. '
'Expected format is "--env-var SOME_VAR_NAME some_var_value". Specify '
'multiple times for more than one var.')
# Tast test args.
# pylint: disable=line-too-long
tast_test_parser = subparsers.add_parser(
'tast',
help='Runs a device-side set of Tast tests. For more details, see: '
'https://chromium.googlesource.com/chromiumos/platform/tast/+/master/docs/running_tests.md'
)
tast_test_parser.set_defaults(func=device_test)
tast_test_parser.add_argument(
'--suite-name',
type=str,
required=True,
help='Name to apply to the set of Tast tests to run. This has no effect '
'on what is executed, but is used mainly for test results reporting '
'and tracking (eg: flakiness dashboard).')
tast_test_parser.add_argument(
'--test-launcher-summary-output',
type=str,
help='Generates a simple GTest-style JSON result file for the test run.')
tast_test_parser.add_argument(
'--attr-expr',
type=str,
help='A boolean expression whose matching tests will run '
'(eg: ("dep:chrome")).')
tast_test_parser.add_argument(
'--strip-chrome',
action='store_true',
help='Strips symbols from ash-chrome before deploying to the device.')
tast_test_parser.add_argument(
'--deploy-lacros',
action='store_true',
help='Deploy a lacros-chrome instead of ash-chrome.')
tast_test_parser.add_argument(
'--tast-var',
action='append',
dest='tast_vars',
help='Runtime variables for Tast tests, and the format are expected to '
'be "key=value" pairs.')
tast_test_parser.add_argument(
'--test',
'-t',
action='append',
dest='tests',
help='A Tast test to run in the device (eg: "ui.ChromeLogin").')
tast_test_parser.add_argument(
'--gtest_filter',
type=str,
help="Similar to GTest's arg of the same name, this will filter out the "
"specified tests from the Tast run. However, due to the nature of Tast's "
'cmd-line API, this will overwrite the value(s) of "--test" above.')
add_common_args(gtest_parser, tast_test_parser, host_cmd_parser)
args = sys.argv[1:]
unknown_args = []
# If a '--' is present in the args, treat everything to the right of it as
# args to the test and everything to the left as args to this test runner.
# Otherwise treat all known args as args to this test runner and all unknown
# args as test args.
if '--' in args:
unknown_args = args[args.index('--') + 1:]
args = args[0:args.index('--')]
if unknown_args:
args = parser.parse_args(args=args)
else:
args, unknown_args = parser.parse_known_args()
logging.basicConfig(level=logging.DEBUG if args.verbose else logging.WARN)
if not args.use_vm and not args.device:
logging.warning(
'The test runner is now assuming running in the lab environment, if '
'this is unintentional, please re-invoke the test runner with the '
'"--use-vm" arg if using a VM, otherwise use the "--device=<DUT>" arg '
'to specify a DUT.')
# If we're not running on a VM, but haven't specified a hostname, assume
# we're on a lab bot and are trying to run a test on a lab DUT. See if the
# magic lab DUT hostname resolves to anything. (It will in the lab and will
# not on dev machines.)
try:
socket.getaddrinfo(LAB_DUT_HOSTNAME, None)
except socket.gaierror:
logging.error('The default lab DUT hostname of %s is unreachable.',
LAB_DUT_HOSTNAME)
return 1
return args.func(args, unknown_args)
if __name__ == '__main__':
sys.exit(main())