blob: b21830af91829da9f41b155cf1d75ee1b116258b [file] [log] [blame]
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""A utility class used to run a gtest suite parsing individual tests."""
import logging, os
from autotest_lib.server import autotest, hosts, host_attributes
from autotest_lib.server import site_server_job_utils
from autotest_lib.client.common_lib import gtest_parser
class gtest_runner(object):
"""Run a gtest test suite and evaluate the individual tests."""
def __init__(self):
"""Creates an instance of gtest_runner to run tests on a remote host."""
self._results_dir = ''
self._gtest = None
self._host = None
def run(self, gtest_entry, machine, work_dir='.'):
"""Run the gtest suite on a remote host, then parse the results.
Like machine_worker, gtest_runner honors include/exclude attributes on
the test item and will only run the test if the supplied host meets the
test requirements.
Note: This method takes a test and a machine as arguments, not a list
of tests and a list of machines like the parallel and distribute
methods do.
gtest_entry: Test tuple from control file. See documentation in
site_server_job_utils.test_item class.
machine: Name (IP) if remote host to run tests on.
work_dir: Local directory to run tests in.
self._gtest = site_server_job_utils.test_item(*gtest_entry)
self._host = hosts.create_host(machine)
self._results_dir = work_dir
client_autotest = autotest.Autotest(self._host)
client_attributes = host_attributes.host_attributes(machine)
attribute_set = set(client_attributes.get_attributes())
if self._gtest.validate(attribute_set):'%s %s Running %s', self._host,
[a for a in attribute_set], self._gtest)
self._gtest.run_test(client_autotest, self._results_dir)
'No machines found for: ' + self._gtest)
def parse(self):
"""Parse the gtest output recording individual test results.
Uses gtest_parser to pull the test results out of the gtest log file.
Then creates entries in status.log file for each test.
# Find gtest log files from the autotest client run.
log_path = os.path.join(
self._results_dir, self._gtest.tagged_test_name,
'debug', self._gtest.tagged_test_name + '.DEBUG')
if not os.path.exists(log_path):
logging.error('gtest log file "%s" is missing.', log_path)
parser = gtest_parser.gtest_parser()
# Read the log file line-by-line, passing each line into the parser.
with open(log_path, 'r') as log_file:
for log_line in log_file:
parser.ProcessLogLine(log_line)'gtest_runner found %d tests.', parser.TotalTests())
# Record each failed test.
for failed in parser.FailedTests():
fail_description = parser.FailureDescription(failed)
if fail_description:
self.record_failed_test(failed, fail_description[0].strip(),
self.record_failed_test(failed, 'NO ERROR LINES FOUND.')
# Finally record each successful test.
for passed in parser.PassedTests():
def record_failed_test(self, failed_test, message, error_lines=None):
"""Insert a failure record into status.log for this test.
failed_test: Name of test that failed.
message: Reason test failed, will be put in status.log file.
error_lines: Additional failure info, will be put in ERROR log.
# Create a test name subdirectory to hold the test status.log file.
test_dir = os.path.join(self._results_dir, failed_test)
if not os.path.exists(test_dir):
except OSError:
logging.exception('Failed to created test directory: %s',
# Record failure into the global job and test specific status files.
self._host.record('START', failed_test, failed_test)
self._host.record('INFO', failed_test, 'FAILED: ' + failed_test)
self._host.record('END FAIL', failed_test, failed_test, message)
# If we have additional information on the failure, create an error log
# file for this test in the location a normal autotest would have left
# it so the frontend knows where to find it.
if error_lines is not None:
fail_log_dir = os.path.join(test_dir, 'debug')
fail_log_path = os.path.join(fail_log_dir, failed_test + '.ERROR')
if not os.path.exists(fail_log_dir):
except OSError:
logging.exception('Failed to created log directory: %s',
with open(fail_log_path, 'w') as fail_log:
except IOError:
logging.exception('Failed to open log file: %s', fail_log_path)
def record_passed_test(self, passed_test):
"""Insert a failure record into status.log for this test.
passed_test: Name of test that passed.
self._host.record('START', None, passed_test)
self._host.record('INFO', None, 'PASSED: ' + passed_test)
self._host.record('END GOOD', None, passed_test)