blob: 2940f9e3608085af79106955dc03cb0157d22361 [file] [log] [blame]
#!/usr/bin/env python
import sys
import shutil
import os
import fnmatch
import unittest
import argparse
import time
import threading
import signal
import psutil
import re
from multiprocessing import Process, Pipe, cpu_count
from multiprocessing.queues import Queue
from multiprocessing.managers import BaseManager
from framework import VppTestRunner, running_extended_tests, VppTestCase, \
get_testcase_doc_name, get_test_description, PASS, FAIL, ERROR, SKIP, \
TEST_RUN
from debug import spawn_gdb
from log import get_parallel_logger, double_line_delim, RED, YELLOW, GREEN, \
colorize, single_line_delim
from discover_tests import discover_tests
from subprocess import check_output, CalledProcessError
from util import check_core_path, get_core_path, is_core_present
# timeout which controls how long the child has to finish after seeing
# a core dump in test temporary directory. If this is exceeded, parent assumes
# that child process is stuck (e.g. waiting for shm mutex, which will never
# get unlocked) and kill the child
core_timeout = 3
min_req_shm = 536870912 # min 512MB shm required
# 128MB per extra process
shm_per_process = 134217728
class StreamQueue(Queue):
def write(self, msg):
self.put(msg)
def flush(self):
sys.__stdout__.flush()
sys.__stderr__.flush()
def fileno(self):
return self._writer.fileno()
class StreamQueueManager(BaseManager):
pass
StreamQueueManager.register('StreamQueue', StreamQueue)
class TestResult(dict):
def __init__(self, testcase_suite, testcases_by_id=None):
super(TestResult, self).__init__()
self[PASS] = []
self[FAIL] = []
self[ERROR] = []
self[SKIP] = []
self[TEST_RUN] = []
self.crashed = False
self.testcase_suite = testcase_suite
self.testcases = [testcase for testcase in testcase_suite]
self.testcases_by_id = testcases_by_id
def was_successful(self):
return 0 == len(self[FAIL]) == len(self[ERROR]) \
and len(self[PASS] + self[SKIP]) \
== self.testcase_suite.countTestCases() == len(self[TEST_RUN])
def no_tests_run(self):
return 0 == len(self[TEST_RUN])
def process_result(self, test_id, result):
self[result].append(test_id)
def suite_from_failed(self):
rerun_ids = set([])
for testcase in self.testcase_suite:
tc_id = testcase.id()
if tc_id not in self[PASS] and tc_id not in self[SKIP]:
rerun_ids.add(tc_id)
if len(rerun_ids) > 0:
return suite_from_failed(self.testcase_suite, rerun_ids)
def get_testcase_names(self, test_id):
# could be tearDownClass (test_ipsec_esp.TestIpsecEsp1)
setup_teardown_match = re.match(
r'((tearDownClass)|(setUpClass)) \((.+\..+)\)', test_id)
if setup_teardown_match:
test_name, _, _, testcase_name = setup_teardown_match.groups()
if len(testcase_name.split('.')) == 2:
for key in self.testcases_by_id.keys():
if key.startswith(testcase_name):
testcase_name = key
break
testcase_name = self._get_testcase_doc_name(testcase_name)
else:
test_name = self._get_test_description(test_id)
testcase_name = self._get_testcase_doc_name(test_id)
return testcase_name, test_name
def _get_test_description(self, test_id):
if test_id in self.testcases_by_id:
desc = get_test_description(descriptions,
self.testcases_by_id[test_id])
else:
desc = test_id
return desc
def _get_testcase_doc_name(self, test_id):
if test_id in self.testcases_by_id:
doc_name = get_testcase_doc_name(self.testcases_by_id[test_id])
else:
doc_name = test_id
return doc_name
def test_runner_wrapper(suite, keep_alive_pipe, stdouterr_queue,
finished_pipe, result_pipe, logger):
sys.stdout = stdouterr_queue
sys.stderr = stdouterr_queue
VppTestCase.parallel_handler = logger.handlers[0]
result = VppTestRunner(keep_alive_pipe=keep_alive_pipe,
descriptions=descriptions,
verbosity=verbose,
result_pipe=result_pipe,
failfast=failfast,
print_summary=False).run(suite)
finished_pipe.send(result.wasSuccessful())
finished_pipe.close()
keep_alive_pipe.close()
class TestCaseWrapper(object):
def __init__(self, testcase_suite, manager):
self.keep_alive_parent_end, self.keep_alive_child_end = Pipe(
duplex=False)
self.finished_parent_end, self.finished_child_end = Pipe(duplex=False)
self.result_parent_end, self.result_child_end = Pipe(duplex=False)
self.testcase_suite = testcase_suite
if sys.version[0] == '2':
self.stdouterr_queue = manager.StreamQueue()
else:
from multiprocessing import get_context
self.stdouterr_queue = manager.StreamQueue(ctx=get_context())
self.logger = get_parallel_logger(self.stdouterr_queue)
self.child = Process(target=test_runner_wrapper,
args=(testcase_suite,
self.keep_alive_child_end,
self.stdouterr_queue,
self.finished_child_end,
self.result_child_end,
self.logger)
)
self.child.start()
self.last_test_temp_dir = None
self.last_test_vpp_binary = None
self._last_test = None
self.last_test_id = None
self.vpp_pid = None
self.last_heard = time.time()
self.core_detected_at = None
self.testcases_by_id = {}
self.testclasess_with_core = {}
for testcase in self.testcase_suite:
self.testcases_by_id[testcase.id()] = testcase
self.result = TestResult(testcase_suite, self.testcases_by_id)
@property
def last_test(self):
return self._last_test
@last_test.setter
def last_test(self, test_id):
self.last_test_id = test_id
if test_id in self.testcases_by_id:
testcase = self.testcases_by_id[test_id]
self._last_test = testcase.shortDescription()
if not self._last_test:
self._last_test = str(testcase)
else:
self._last_test = test_id
def add_testclass_with_core(self):
if self.last_test_id in self.testcases_by_id:
test = self.testcases_by_id[self.last_test_id]
class_name = unittest.util.strclass(test.__class__)
test_name = "'{}' ({})".format(get_test_description(descriptions,
test),
self.last_test_id)
else:
test_name = self.last_test_id
class_name = re.match(r'((tearDownClass)|(setUpClass)) '
r'\((.+\..+)\)', test_name).groups()[3]
if class_name not in self.testclasess_with_core:
self.testclasess_with_core[class_name] = (
test_name,
self.last_test_vpp_binary,
self.last_test_temp_dir)
def close_pipes(self):
self.keep_alive_child_end.close()
self.finished_child_end.close()
self.result_child_end.close()
self.keep_alive_parent_end.close()
self.finished_parent_end.close()
self.result_parent_end.close()
def was_successful(self):
return self.result.was_successful()
def stdouterr_reader_wrapper(unread_testcases, finished_unread_testcases,
read_testcases):
read_testcase = None
while read_testcases.is_set() or len(unread_testcases):
if len(finished_unread_testcases):
read_testcase = finished_unread_testcases.pop()
unread_testcases.remove(read_testcase)
elif len(unread_testcases):
read_testcase = unread_testcases.pop()
if read_testcase:
data = ''
while data is not None:
sys.stdout.write(data)
data = read_testcase.stdouterr_queue.get()
read_testcase.stdouterr_queue.close()
finished_unread_testcases.discard(read_testcase)
read_testcase = None
def handle_failed_suite(logger, last_test_temp_dir, vpp_pid):
if last_test_temp_dir:
# Need to create link in case of a timeout or core dump without failure
lttd = os.path.basename(last_test_temp_dir)
failed_dir = os.getenv('FAILED_DIR')
link_path = '%s%s-FAILED' % (failed_dir, lttd)
if not os.path.exists(link_path):
os.symlink(last_test_temp_dir, link_path)
logger.error("Symlink to failed testcase directory: %s -> %s"
% (link_path, lttd))
# Report core existence
core_path = get_core_path(last_test_temp_dir)
if os.path.exists(core_path):
logger.error(
"Core-file exists in test temporary directory: %s!" %
core_path)
check_core_path(logger, core_path)
logger.debug("Running `file %s':" % core_path)
try:
info = check_output(["file", core_path])
logger.debug(info)
except CalledProcessError as e:
logger.error("Could not run `file' utility on core-file, "
"rc=%s" % e.returncode)
if vpp_pid:
# Copy api post mortem
api_post_mortem_path = "/tmp/api_post_mortem.%d" % vpp_pid
if os.path.isfile(api_post_mortem_path):
logger.error("Copying api_post_mortem.%d to %s" %
(vpp_pid, last_test_temp_dir))
shutil.copy2(api_post_mortem_path, last_test_temp_dir)
def check_and_handle_core(vpp_binary, tempdir, core_crash_test):
if is_core_present(tempdir):
print('VPP core detected in %s. Last test running was %s' %
(tempdir, core_crash_test))
print(single_line_delim)
spawn_gdb(vpp_binary, get_core_path(tempdir))
print(single_line_delim)
def handle_cores(failed_testcases):
if debug_core:
for failed_testcase in failed_testcases:
tcs_with_core = failed_testcase.testclasess_with_core
if len(tcs_with_core) > 0:
for test, vpp_binary, tempdir in tcs_with_core.values():
check_and_handle_core(vpp_binary, tempdir, test)
def process_finished_testsuite(wrapped_testcase_suite,
finished_testcase_suites,
failed_wrapped_testcases,
results):
results.append(wrapped_testcase_suite.result)
finished_testcase_suites.add(wrapped_testcase_suite)
stop_run = False
if failfast and not wrapped_testcase_suite.was_successful():
stop_run = True
if not wrapped_testcase_suite.was_successful():
failed_wrapped_testcases.add(wrapped_testcase_suite)
handle_failed_suite(wrapped_testcase_suite.logger,
wrapped_testcase_suite.last_test_temp_dir,
wrapped_testcase_suite.vpp_pid)
return stop_run
def run_forked(testcase_suites):
wrapped_testcase_suites = set()
# suites are unhashable, need to use list
results = []
unread_testcases = set()
finished_unread_testcases = set()
manager = StreamQueueManager()
manager.start()
for i in range(concurrent_tests):
if len(testcase_suites) > 0:
wrapped_testcase_suite = TestCaseWrapper(testcase_suites.pop(0),
manager)
wrapped_testcase_suites.add(wrapped_testcase_suite)
unread_testcases.add(wrapped_testcase_suite)
else:
break
read_from_testcases = threading.Event()
read_from_testcases.set()
stdouterr_thread = threading.Thread(target=stdouterr_reader_wrapper,
args=(unread_testcases,
finished_unread_testcases,
read_from_testcases))
stdouterr_thread.start()
failed_wrapped_testcases = set()
stop_run = False
try:
while len(wrapped_testcase_suites) > 0:
finished_testcase_suites = set()
for wrapped_testcase_suite in wrapped_testcase_suites:
while wrapped_testcase_suite.result_parent_end.poll():
wrapped_testcase_suite.result.process_result(
*wrapped_testcase_suite.result_parent_end.recv())
wrapped_testcase_suite.last_heard = time.time()
while wrapped_testcase_suite.keep_alive_parent_end.poll():
wrapped_testcase_suite.last_test, \
wrapped_testcase_suite.last_test_vpp_binary, \
wrapped_testcase_suite.last_test_temp_dir, \
wrapped_testcase_suite.vpp_pid = \
wrapped_testcase_suite.keep_alive_parent_end.recv()
wrapped_testcase_suite.last_heard = time.time()
if wrapped_testcase_suite.finished_parent_end.poll():
wrapped_testcase_suite.finished_parent_end.recv()
wrapped_testcase_suite.last_heard = time.time()
stop_run = process_finished_testsuite(
wrapped_testcase_suite,
finished_testcase_suites,
failed_wrapped_testcases,
results) or stop_run
continue
fail = False
if wrapped_testcase_suite.last_heard + test_timeout < \
time.time():
fail = True
wrapped_testcase_suite.logger.critical(
"Child test runner process timed out "
"(last test running was `%s' in `%s')!" %
(wrapped_testcase_suite.last_test,
wrapped_testcase_suite.last_test_temp_dir))
elif not wrapped_testcase_suite.child.is_alive():
fail = True
wrapped_testcase_suite.logger.critical(
"Child test runner process unexpectedly died "
"(last test running was `%s' in `%s')!" %
(wrapped_testcase_suite.last_test,
wrapped_testcase_suite.last_test_temp_dir))
elif wrapped_testcase_suite.last_test_temp_dir and \
wrapped_testcase_suite.last_test_vpp_binary:
if is_core_present(
wrapped_testcase_suite.last_test_temp_dir):
wrapped_testcase_suite.add_testclass_with_core()
if wrapped_testcase_suite.core_detected_at is None:
wrapped_testcase_suite.core_detected_at = \
time.time()
elif wrapped_testcase_suite.core_detected_at + \
core_timeout < time.time():
wrapped_testcase_suite.logger.critical(
"Child test runner process unresponsive and "
"core-file exists in test temporary directory "
"(last test running was `%s' in `%s')!" %
(wrapped_testcase_suite.last_test,
wrapped_testcase_suite.last_test_temp_dir))
fail = True
if fail:
wrapped_testcase_suite.child.terminate()
try:
# terminating the child process tends to leave orphan
# VPP process around
if wrapped_testcase_suite.vpp_pid:
os.kill(wrapped_testcase_suite.vpp_pid,
signal.SIGTERM)
except OSError:
# already dead
pass
wrapped_testcase_suite.result.crashed = True
wrapped_testcase_suite.result.process_result(
wrapped_testcase_suite.last_test_id, ERROR)
stop_run = process_finished_testsuite(
wrapped_testcase_suite,
finished_testcase_suites,
failed_wrapped_testcases,
results) or stop_run
for finished_testcase in finished_testcase_suites:
finished_testcase.child.join()
finished_testcase.close_pipes()
wrapped_testcase_suites.remove(finished_testcase)
finished_unread_testcases.add(finished_testcase)
finished_testcase.stdouterr_queue.put(None)
if stop_run:
while len(testcase_suites) > 0:
results.append(TestResult(testcase_suites.pop(0)))
elif len(testcase_suites) > 0:
new_testcase = TestCaseWrapper(testcase_suites.pop(0),
manager)
wrapped_testcase_suites.add(new_testcase)
unread_testcases.add(new_testcase)
except Exception:
for wrapped_testcase_suite in wrapped_testcase_suites:
wrapped_testcase_suite.child.terminate()
wrapped_testcase_suite.stdouterr_queue.put(None)
raise
finally:
read_from_testcases.clear()
stdouterr_thread.join(test_timeout)
manager.shutdown()
handle_cores(failed_wrapped_testcases)
return results
class SplitToSuitesCallback:
def __init__(self, filter_callback):
self.suites = {}
self.suite_name = 'default'
self.filter_callback = filter_callback
self.filtered = unittest.TestSuite()
def __call__(self, file_name, cls, method):
test_method = cls(method)
if self.filter_callback(file_name, cls.__name__, method):
self.suite_name = file_name + cls.__name__
if self.suite_name not in self.suites:
self.suites[self.suite_name] = unittest.TestSuite()
self.suites[self.suite_name].addTest(test_method)
else:
self.filtered.addTest(test_method)
test_option = "TEST"
def parse_test_option():
f = os.getenv(test_option, None)
filter_file_name = None
filter_class_name = None
filter_func_name = None
if f:
if '.' in f:
parts = f.split('.')
if len(parts) > 3:
raise Exception("Unrecognized %s option: %s" %
(test_option, f))
if len(parts) > 2:
if parts[2] not in ('*', ''):
filter_func_name = parts[2]
if parts[1] not in ('*', ''):
filter_class_name = parts[1]
if parts[0] not in ('*', ''):
if parts[0].startswith('test_'):
filter_file_name = parts[0]
else:
filter_file_name = 'test_%s' % parts[0]
else:
if f.startswith('test_'):
filter_file_name = f
else:
filter_file_name = 'test_%s' % f
if filter_file_name:
filter_file_name = '%s.py' % filter_file_name
return filter_file_name, filter_class_name, filter_func_name
def filter_tests(tests, filter_cb):
result = unittest.suite.TestSuite()
for t in tests:
if isinstance(t, unittest.suite.TestSuite):
# this is a bunch of tests, recursively filter...
x = filter_tests(t, filter_cb)
if x.countTestCases() > 0:
result.addTest(x)
elif isinstance(t, unittest.TestCase):
# this is a single test
parts = t.id().split('.')
# t.id() for common cases like this:
# test_classifier.TestClassifier.test_acl_ip
# apply filtering only if it is so
if len(parts) == 3:
if not filter_cb(parts[0], parts[1], parts[2]):
continue
result.addTest(t)
else:
# unexpected object, don't touch it
result.addTest(t)
return result
class FilterByTestOption:
def __init__(self, filter_file_name, filter_class_name, filter_func_name):
self.filter_file_name = filter_file_name
self.filter_class_name = filter_class_name
self.filter_func_name = filter_func_name
def __call__(self, file_name, class_name, func_name):
if self.filter_file_name:
fn_match = fnmatch.fnmatch(file_name, self.filter_file_name)
if not fn_match:
return False
if self.filter_class_name and class_name != self.filter_class_name:
return False
if self.filter_func_name and func_name != self.filter_func_name:
return False
return True
class FilterByClassList:
def __init__(self, classes_with_filenames):
self.classes_with_filenames = classes_with_filenames
def __call__(self, file_name, class_name, func_name):
return '.'.join([file_name, class_name]) in self.classes_with_filenames
def suite_from_failed(suite, failed):
failed = {x.rsplit('.', 1)[0] for x in failed}
filter_cb = FilterByClassList(failed)
suite = filter_tests(suite, filter_cb)
return suite
class AllResults(dict):
def __init__(self):
super(AllResults, self).__init__()
self.all_testcases = 0
self.results_per_suite = []
self[PASS] = 0
self[FAIL] = 0
self[ERROR] = 0
self[SKIP] = 0
self[TEST_RUN] = 0
self.rerun = []
self.testsuites_no_tests_run = []
def add_results(self, result):
self.results_per_suite.append(result)
result_types = [PASS, FAIL, ERROR, SKIP, TEST_RUN]
for result_type in result_types:
self[result_type] += len(result[result_type])
def add_result(self, result):
retval = 0
self.all_testcases += result.testcase_suite.countTestCases()
self.add_results(result)
if result.no_tests_run():
self.testsuites_no_tests_run.append(result.testcase_suite)
if result.crashed:
retval = -1
else:
retval = 1
elif not result.was_successful():
retval = 1
if retval != 0:
self.rerun.append(result.testcase_suite)
return retval
def print_results(self):
print('')
print(double_line_delim)
print('TEST RESULTS:')
print(' Scheduled tests: {}'.format(self.all_testcases))
print(' Executed tests: {}'.format(self[TEST_RUN]))
print(' Passed tests: {}'.format(
colorize(str(self[PASS]), GREEN)))
if self[SKIP] > 0:
print(' Skipped tests: {}'.format(
colorize(str(self[SKIP]), YELLOW)))
if self.not_executed > 0:
print(' Not Executed tests: {}'.format(
colorize(str(self.not_executed), RED)))
if self[FAIL] > 0:
print(' Failures: {}'.format(
colorize(str(self[FAIL]), RED)))
if self[ERROR] > 0:
print(' Errors: {}'.format(
colorize(str(self[ERROR]), RED)))
if self.all_failed > 0:
print('FAILURES AND ERRORS IN TESTS:')
for result in self.results_per_suite:
failed_testcase_ids = result[FAIL]
errored_testcase_ids = result[ERROR]
old_testcase_name = None
if len(failed_testcase_ids) or len(errored_testcase_ids):
for failed_test_id in failed_testcase_ids:
new_testcase_name, test_name = \
result.get_testcase_names(failed_test_id)
if new_testcase_name != old_testcase_name:
print(' Testcase name: {}'.format(
colorize(new_testcase_name, RED)))
old_testcase_name = new_testcase_name
print(' FAILURE: {} [{}]'.format(
colorize(test_name, RED), failed_test_id))
for failed_test_id in errored_testcase_ids:
new_testcase_name, test_name = \
result.get_testcase_names(failed_test_id)
if new_testcase_name != old_testcase_name:
print(' Testcase name: {}'.format(
colorize(new_testcase_name, RED)))
old_testcase_name = new_testcase_name
print(' ERROR: {} [{}]'.format(
colorize(test_name, RED), failed_test_id))
if len(self.testsuites_no_tests_run) > 0:
print('TESTCASES WHERE NO TESTS WERE SUCCESSFULLY EXECUTED:')
tc_classes = set()
for testsuite in self.testsuites_no_tests_run:
for testcase in testsuite:
tc_classes.add(get_testcase_doc_name(testcase))
for tc_class in tc_classes:
print(' {}'.format(colorize(tc_class, RED)))
print(double_line_delim)
print('')
@property
def not_executed(self):
return self.all_testcases - self[TEST_RUN]
@property
def all_failed(self):
return self[FAIL] + self[ERROR]
def parse_results(results):
"""
Prints the number of scheduled, executed, not executed, passed, failed,
errored and skipped tests and details about failed and errored tests.
Also returns all suites where any test failed.
:param results:
:return:
"""
results_per_suite = AllResults()
crashed = False
failed = False
for result in results:
result_code = results_per_suite.add_result(result)
if result_code == 1:
failed = True
elif result_code == -1:
crashed = True
results_per_suite.print_results()
if crashed:
return_code = -1
elif failed:
return_code = 1
else:
return_code = 0
return return_code, results_per_suite.rerun
def parse_digit_env(env_var, default):
value = os.getenv(env_var, default)
if value != default:
if value.isdigit():
value = int(value)
else:
print('WARNING: unsupported value "%s" for env var "%s",'
'defaulting to %s' % (value, env_var, default))
value = default
return value
if __name__ == '__main__':
verbose = parse_digit_env("V", 0)
test_timeout = parse_digit_env("TIMEOUT", 600) # default = 10 minutes
retries = parse_digit_env("RETRIES", 0)
debug = os.getenv("DEBUG", "n").lower() in ["gdb", "gdbserver"]
debug_core = os.getenv("DEBUG", "").lower() == "core"
step = os.getenv("STEP", "n").lower() in ("y", "yes", "1")
run_interactive = debug or step
test_jobs = os.getenv("TEST_JOBS", "1").lower() # default = 1 process
if test_jobs == 'auto':
if run_interactive:
concurrent_tests = 1
print('Interactive mode required, running on one core')
else:
shm_free = psutil.disk_usage('/dev/shm').free
shm_max_processes = 1
if shm_free < min_req_shm:
raise Exception('Not enough free space in /dev/shm. Required '
'free space is at least %sM.'
% (min_req_shm >> 20))
else:
extra_shm = shm_free - min_req_shm
shm_max_processes += extra_shm / shm_per_process
concurrent_tests = min(cpu_count(), shm_max_processes)
print('Found enough resources to run tests with %s cores'
% concurrent_tests)
elif test_jobs.isdigit():
concurrent_tests = int(test_jobs)
else:
concurrent_tests = 1
if run_interactive and concurrent_tests > 1:
raise NotImplementedError(
'Running tests interactively (DEBUG is gdb or gdbserver or STEP '
'is set) in parallel (TEST_JOBS is more than 1) is not supported')
parser = argparse.ArgumentParser(description="VPP unit tests")
parser.add_argument("-f", "--failfast", action='store_true',
help="fast failure flag")
parser.add_argument("-d", "--dir", action='append', type=str,
help="directory containing test files "
"(may be specified multiple times)")
args = parser.parse_args()
failfast = args.failfast
descriptions = True
print("Running tests using custom test runner") # debug message
filter_file, filter_class, filter_func = parse_test_option()
print("Active filters: file=%s, class=%s, function=%s" % (
filter_file, filter_class, filter_func))
filter_cb = FilterByTestOption(filter_file, filter_class, filter_func)
ignore_path = os.getenv("VENV_PATH", None)
cb = SplitToSuitesCallback(filter_cb)
for d in args.dir:
print("Adding tests from directory tree %s" % d)
discover_tests(d, cb, ignore_path)
# suites are not hashable, need to use list
suites = []
tests_amount = 0
for testcase_suite in cb.suites.values():
tests_amount += testcase_suite.countTestCases()
suites.append(testcase_suite)
print("%s out of %s tests match specified filters" % (
tests_amount, tests_amount + cb.filtered.countTestCases()))
if not running_extended_tests:
print("Not running extended tests (some tests will be skipped)")
attempts = retries + 1
if attempts > 1:
print("Perform %s attempts to pass the suite..." % attempts)
if run_interactive:
# don't fork if requiring interactive terminal
result = VppTestRunner(verbosity=verbose,
failfast=failfast,
print_summary=True).run(suites[0])
was_successful = result.wasSuccessful()
if not was_successful:
for test_case_info in result.failed_test_cases_info:
handle_failed_suite(test_case_info.logger,
test_case_info.tempdir,
test_case_info.vpp_pid)
if debug_core and \
test_case_info in result.core_crash_test_cases_info:
check_and_handle_core(test_case_info.vpp_bin_path,
test_case_info.tempdir,
test_case_info.core_crash_test)
sys.exit(not was_successful)
else:
exit_code = 0
while len(suites) > 0 and attempts > 0:
results = run_forked(suites)
exit_code, suites = parse_results(results)
attempts -= 1
if exit_code == 0:
print('Test run was successful')
else:
print('%s attempt(s) left.' % attempts)
sys.exit(exit_code)