diff options
Diffstat (limited to 'tests/image-fuzzer/runner.py')
| -rwxr-xr-x | tests/image-fuzzer/runner.py | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/tests/image-fuzzer/runner.py b/tests/image-fuzzer/runner.py index c903c8a342..b7002905e1 100755 --- a/tests/image-fuzzer/runner.py +++ b/tests/image-fuzzer/runner.py @@ -70,7 +70,7 @@ def run_app(fd, q_args): """Exception for signal.alarm events.""" pass - def handler(*arg): + def handler(*args): """Notify that an alarm event occurred.""" raise Alarm @@ -134,8 +134,8 @@ class TestEnv(object): self.init_path = os.getcwd() self.work_dir = work_dir self.current_dir = os.path.join(work_dir, 'test-' + test_id) - self.qemu_img = os.environ.get('QEMU_IMG', 'qemu-img')\ - .strip().split(' ') + self.qemu_img = \ + os.environ.get('QEMU_IMG', 'qemu-img').strip().split(' ') self.qemu_io = os.environ.get('QEMU_IO', 'qemu-io').strip().split(' ') self.commands = [['qemu-img', 'check', '-f', 'qcow2', '$test_img'], ['qemu-img', 'info', '-f', 'qcow2', '$test_img'], @@ -212,10 +212,8 @@ class TestEnv(object): os.chdir(self.current_dir) backing_file_name, backing_file_fmt = self._create_backing_file() - img_size = image_generator.create_image('test.img', - backing_file_name, - backing_file_fmt, - fuzz_config) + img_size = image_generator.create_image( + 'test.img', backing_file_name, backing_file_fmt, fuzz_config) for item in commands: shutil.copy('test.img', 'copy.img') # 'off' and 'len' are multiple of the sector size @@ -228,7 +226,7 @@ class TestEnv(object): elif item[0] == 'qemu-io': current_cmd = list(self.qemu_io) else: - multilog("Warning: test command '%s' is not defined.\n" \ + multilog("Warning: test command '%s' is not defined.\n" % item[0], sys.stderr, self.log, self.parent_log) continue # Replace all placeholders with their real values @@ -244,29 +242,28 @@ class TestEnv(object): "Backing file: %s\n" \ % (self.seed, " ".join(current_cmd), self.current_dir, backing_file_name) - temp_log = StringIO.StringIO() try: retcode = run_app(temp_log, current_cmd) except OSError, e: - multilog(test_summary + "Error: Start of '%s' failed. " \ - "Reason: %s\n\n" % (os.path.basename( - current_cmd[0]), e[1]), + multilog("%sError: Start of '%s' failed. Reason: %s\n\n" + % (test_summary, os.path.basename(current_cmd[0]), + e[1]), sys.stderr, self.log, self.parent_log) raise TestException if retcode < 0: self.log.write(temp_log.getvalue()) - multilog(test_summary + "FAIL: Test terminated by signal " + - "%s\n\n" % str_signal(-retcode), sys.stderr, self.log, - self.parent_log) + multilog("%sFAIL: Test terminated by signal %s\n\n" + % (test_summary, str_signal(-retcode)), + sys.stderr, self.log, self.parent_log) self.failed = True else: if self.log_all: self.log.write(temp_log.getvalue()) - multilog(test_summary + "PASS: Application exited with" + - " the code '%d'\n\n" % retcode, sys.stdout, - self.log, self.parent_log) + multilog("%sPASS: Application exited with the code " \ + "'%d'\n\n" % (test_summary, retcode), + sys.stdout, self.log, self.parent_log) temp_log.close() os.remove('copy.img') @@ -286,8 +283,9 @@ if __name__ == '__main__': Set up test environment in TEST_DIR and run a test in it. A module for test image generation should be specified via IMG_GENERATOR. + Example: - runner.py -c '[["qemu-img", "info", "$test_img"]]' /tmp/test qcow2 + runner.py -c '[["qemu-img", "info", "$test_img"]]' /tmp/test qcow2 Optional arguments: -h, --help display this help and exit @@ -305,20 +303,22 @@ if __name__ == '__main__': '--command' accepts a JSON array of commands. Each command presents an application under test with all its paramaters as a list of strings, - e.g. - ["qemu-io", "$test_img", "-c", "write $off $len"] + e.g. ["qemu-io", "$test_img", "-c", "write $off $len"]. Supported application aliases: 'qemu-img' and 'qemu-io'. + Supported argument aliases: $test_img for the fuzzed image, $off for an offset, $len for length. Values for $off and $len will be generated based on the virtual disk - size of the fuzzed image + size of the fuzzed image. + Paths to 'qemu-img' and 'qemu-io' are retrevied from 'QEMU_IMG' and - 'QEMU_IO' environment variables + 'QEMU_IO' environment variables. '--config' accepts a JSON array of fields to be fuzzed, e.g. - '[["header"], ["header", "version"]]' + '[["header"], ["header", "version"]]'. + Each of the list elements can consist of a complex image element only as ["header"] or ["feature_name_table"] or an exact field as ["header", "version"]. In the first case random portion of the element @@ -368,7 +368,6 @@ if __name__ == '__main__': seed = None config = None duration = None - for opt, arg in opts: if opt in ('-h', '--help'): usage() |