58 lines
2.4 KiB
Python
58 lines
2.4 KiB
Python
"""The libfuzzertest.TestCase for C++ libfuzzer tests."""
|
|
|
|
import datetime
|
|
import os
|
|
import subprocess
|
|
|
|
from buildscripts.resmokelib import core
|
|
from buildscripts.resmokelib import utils
|
|
from buildscripts.resmokelib.testing.fixtures import interface as fixture_interface
|
|
from buildscripts.resmokelib.testing.testcases import interface
|
|
|
|
|
|
class CPPLibfuzzerTestCase(interface.ProcessTestCase):
|
|
"""A C++ libfuzzer test to execute."""
|
|
|
|
REGISTERED_NAME = "cpp_libfuzzer_test"
|
|
DEFAULT_TIMEOUT = datetime.timedelta(hours=1)
|
|
|
|
def __init__(self, logger, program_executable, program_options=None):
|
|
"""Initialize the CPPLibfuzzerTestCase with the executable to run."""
|
|
|
|
interface.ProcessTestCase.__init__(self, logger, "C++ libfuzzer test", program_executable)
|
|
|
|
self.program_executable = program_executable
|
|
self.program_options = utils.default_if_none(program_options, {}).copy()
|
|
self.corpus_directory = "corpus/corpus-" + self.short_name()
|
|
|
|
os.makedirs(self.corpus_directory, exist_ok=True)
|
|
|
|
def _make_process(self):
|
|
default_args = [
|
|
self.program_executable, self.corpus_directory, "-max_len=100000", "-rss_limit_mb=5000"
|
|
]
|
|
self.program_options["job_num"] = self.fixture.job_num
|
|
self.program_options["test_id"] = self._id
|
|
return core.programs.make_process(self.logger, default_args, **self.program_options)
|
|
|
|
def _execute(self, process):
|
|
"""Run the specified process."""
|
|
self.logger.info("Starting Libfuzzer Test %s...\n%s", self.short_description(),
|
|
process.as_command())
|
|
process.start()
|
|
self.logger.info("%s started with pid %s.", self.short_description(), process.pid)
|
|
try:
|
|
self.return_code = process.wait(self.DEFAULT_TIMEOUT.total_seconds())
|
|
except subprocess.TimeoutExpired:
|
|
# If the test timeout, then no errors were detected. Thus, the return code should be 0.
|
|
process.stop(mode=fixture_interface.TeardownMode.KILL)
|
|
process.wait()
|
|
self.logger.info("%s timed out. No errors were found.", self.short_description())
|
|
self.return_code = 0
|
|
|
|
if self.return_code != 0:
|
|
self.logger.info("Failed %s", self.return_code)
|
|
raise self.failureException("%s failed" % (self.short_description()))
|
|
|
|
self.logger.info("%s finished.", self.short_description())
|