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#
# Copyright (C) 2018 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import logging
import os
import shutil
import subprocess
import tempfile
import threading
import zipfile
from host_controller.command_processor import base_command_processor
from host_controller.utils.parser import xml_utils
from vts.runners.host import utils
class CommandTest(base_command_processor.BaseCommandProcessor):
"""Command processor for test command.
Attributes:
_RESULT_ATTRIBUTES: The attributes of <Result> in the XML report.
After test execution, the attributes are loaded
from report to console's dictionary.
_result_dir: the path to the temporary result directory.
"""
command = "test"
command_detail = "Executes a command on TF."
_RESULT_TAG = "Result"
_RESULT_ATTRIBUTES = ["suite_plan"]
# @Override
def SetUp(self):
"""Initializes the parser for test command."""
self._result_dir = None
self.arg_parser.add_argument(
"--suite",
default="vts",
choices=("vts", "cts", "gts", "sts"),
help="To specify the type of a test suite to be run.")
self.arg_parser.add_argument(
"--serial",
"-s",
default=None,
help="The target device serial to run the command. "
"A comma-separate list.")
self.arg_parser.add_argument(
"--test-exec-mode",
default="subprocess",
help="The target exec model.")
self.arg_parser.add_argument(
"--keep-result",
action="store_true",
help="Keep the path to the result in the console instance.")
self.arg_parser.add_argument(
"command",
metavar="COMMAND",
nargs="+",
help="The command to be executed. If the command contains "
"arguments starting with \"-\", place the command after "
"\"--\" at end of line. format: plan -m module -t testcase")
def _ClearResultDir(self):
"""Deletes all files in the result directory."""
if self._result_dir is None:
self._result_dir = tempfile.mkdtemp()
return
for file_name in os.listdir(self._result_dir):
shutil.rmtree(os.path.join(self._result_dir, file_name))
@staticmethod
def _GenerateTestSuiteCommand(bin_path, command, serials, result_dir=None):
"""Generates a *ts-tradefed command.
Args:
bin_path: the path to *ts-tradefed.
command: a list of strings, the command arguments.
serials: a list of strings, the serial numbers of the devices.
result_dir: the path to the temporary directory where the result is
saved.
Returns:
a list of strings, the *ts-tradefed command.
"""
cmd = [bin_path, "run", "commandAndExit"]
cmd.extend(str(c) for c in command)
for serial in serials:
cmd.extend(["-s", str(serial)])
if result_dir:
cmd.extend(["--log-file-path", result_dir, "--use-log-saver"])
return cmd
@staticmethod
def _ExecuteCommand(cmd):
"""Executes a command and logs output in real time.
Args:
cmd: a list of strings, the command to execute.
"""
def LogOutputStream(log_level, stream):
try:
while True:
line = stream.readline()
if not line:
break
logging.log(log_level, line.rstrip())
finally:
stream.close()
proc = subprocess.Popen(
cmd,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out_thread = threading.Thread(
target=LogOutputStream, args=(logging.INFO, proc.stdout))
err_thread = threading.Thread(
target=LogOutputStream, args=(logging.ERROR, proc.stderr))
out_thread.daemon = True
err_thread.daemon = True
out_thread.start()
err_thread.start()
proc.wait()
logging.info("Return code: %d", proc.returncode)
proc.stdin.close()
out_thread.join()
err_thread.join()
# @Override
def Run(self, arg_line):
"""Executes a command using a *TS-TF instance.
Args:
arg_line: string, line of command arguments.
"""
args = self.arg_parser.ParseLine(arg_line)
if args.serial:
serials = args.serial.split(",")
elif self.console.GetSerials():
serials = self.console.GetSerials()
else:
serials = []
if args.test_exec_mode == "subprocess":
if args.suite not in self.console.test_suite_info:
logging.error("test_suite_info doesn't have '%s': %s",
args.suite, self.console.test_suite_info)
return
if args.keep_result:
self._ClearResultDir()
result_dir = self._result_dir
else:
result_dir = None
cmd = self._GenerateTestSuiteCommand(
self.console.test_suite_info[args.suite], args.command,
serials, result_dir)
logging.info("Command: %s", cmd)
self._ExecuteCommand(cmd)
if result_dir:
result_paths = [
os.path.join(dir_name, file_name)
for dir_name, file_name in utils.iterate_files(result_dir)
if file_name.startswith("log-result")
and file_name.endswith(".zip")
]
if len(result_paths) != 1:
logging.warning("Unexpected number of results: %s",
result_paths)
self.console.test_result.clear()
result = {}
if len(result_paths) > 0:
with zipfile.ZipFile(
result_paths[0], mode="r") as result_zip:
with result_zip.open(
"log-result.xml", mode="rU") as result_xml:
result = xml_utils.GetAttributes(
result_xml, self._RESULT_TAG,
self._RESULT_ATTRIBUTES)
if not result:
logging.warning("Nothing loaded from report.")
result["result_zip"] = result_paths[0]
result_paths_full = [
os.path.join(dir_name, file_name)
for dir_name, file_name in utils.iterate_files(result_dir)
if file_name.endswith(".zip")
]
result["result_full"] = " ".join(result_paths_full)
result["suite_name"] = args.suite
logging.debug(result)
self.console.test_result.update(result)
else:
logging.error("unsupported exec mode: %s", args.test_exec_mode)
return False
# @Override
def TearDown(self):
"""Deletes the result directory."""
if self._result_dir:
shutil.rmtree(self._result_dir, ignore_errors=True)
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