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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
""" Smoke test script for Fuzzing
This script can be used to perform simple calls using `jsshell`
or whatever other tools you may add.
The call is done via `taskcluster/ci/fuzzing/kind.yml` and
files contained in the `target.jsshell.zip` and `target.fuzztest.tests.tar.gz`
build artifacts are downloaded to run things.
Everything included in this directory will be added in
`target.fuzztest.tests.tar.gz` at build time, so you can add more scripts and
tools if you need. They will be located in `$MOZ_FETCHES_DIR` and follow the
same directory structure than the source tree.
"""
import os
import os.path
import shlex
import subprocess
import sys
from distutils.spawn import find_executable
def run_jsshell(command, label=None):
"""Invokes `jsshell` with command.
This function will use the `JSSHELL` environment variable,
and fallback to a `js` executable if it finds one
"""
shell = os.environ.get("JSSHELL")
if shell is None:
shell = find_executable("js")
if shell is None:
raise FileNotFoundError(shell)
else:
if not os.path.exists(shell) or not os.path.isfile(shell):
raise FileNotFoundError(shell)
if label is None:
label = command
sys.stdout.write(label)
cmd = [shell] + shlex.split(command)
sys.stdout.flush()
try:
subprocess.check_call(cmd)
finally:
sys.stdout.write("\n")
sys.stdout.flush()
def smoke_test():
# first, let's make sure it catches crashes so we don't have false
# positives.
try:
run_jsshell("-e 'crash();'", "Testing for crash\n")
except subprocess.CalledProcessError:
pass
else:
raise Exception("Could not get the process to crash")
# now let's proceed with some tests
run_jsshell("--fuzzing-safe -e 'print(\"PASSED\")'", "Simple Fuzzing...")
# add more smoke tests here
if __name__ == "__main__":
# if this calls raises an error, the job will turn red in the CI.
smoke_test()
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