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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()