import tempfile
import time
import resource
+import faulthandler
from collections import deque
from threading import Thread, Event
-from inspect import getdoc
+from inspect import getdoc, isclass
from traceback import format_exception
from logging import FileHandler, DEBUG, Formatter
from scapy.packet import Raw
return False
+def running_on_centos():
+ try:
+ os_id = os.getenv("OS_ID")
+ return True if "centos" in os_id.lower() else False
+ except:
+ return False
+ return False
+
+
+class KeepAliveReporter(object):
+ """
+ Singleton object which reports test start to parent process
+ """
+ _shared_state = {}
+
+ def __init__(self):
+ self.__dict__ = self._shared_state
+
+ @property
+ def pipe(self):
+ return self._pipe
+
+ @pipe.setter
+ def pipe(self, pipe):
+ if hasattr(self, '_pipe'):
+ raise Exception("Internal error - pipe should only be set once.")
+ self._pipe = pipe
+
+ def send_keep_alive(self, test):
+ """
+ Write current test tmpdir & desc to keep-alive pipe to signal liveness
+ """
+ if self.pipe is None:
+ # if not running forked..
+ return
+
+ if isclass(test):
+ desc = test.__name__
+ else:
+ desc = test.shortDescription()
+ if not desc:
+ desc = str(test)
+
+ self.pipe.send((desc, test.vpp_bin, test.tempdir, test.vpp.pid))
+
+
class VppTestCase(unittest.TestCase):
"""This subclass is a base class for VPP test cases that are implemented as
classes. It provides methods to create and run test case.
if coredump_size is None:
coredump_size = "coredump-size unlimited"
cls.vpp_cmdline = [cls.vpp_bin, "unix",
- "{", "nodaemon", debug_cli, coredump_size, "}",
- "api-trace", "{", "on", "}",
+ "{", "nodaemon", debug_cli, "full-coredump",
+ coredump_size, "}", "api-trace", "{", "on", "}",
"api-segment", "{", "prefix", cls.shm_prefix, "}",
"plugins", "{", "plugin", "dpdk_plugin.so", "{",
"disable", "}", "}"]
gc.collect() # run garbage collection first
cls.logger = getLogger(cls.__name__)
cls.tempdir = tempfile.mkdtemp(
- prefix='vpp-unittest-' + cls.__name__ + '-')
+ prefix='vpp-unittest-%s-' % cls.__name__)
cls.file_handler = FileHandler("%s/log.txt" % cls.tempdir)
cls.file_handler.setFormatter(
Formatter(fmt='%(asctime)s,%(msecs)03d %(message)s',
cls.vpp_dead = False
cls.registry = VppObjectRegistry()
cls.vpp_startup_failed = False
+ cls.reporter = KeepAliveReporter()
# need to catch exceptions here because if we raise, then the cleanup
# doesn't get called and we might end with a zombie vpp
try:
cls.run_vpp()
+ cls.reporter.send_keep_alive(cls)
cls.vpp_stdout_deque = deque()
cls.vpp_stderr_deque = deque()
cls.pump_thread_stop_flag = Event()
def setUp(self):
""" Clear trace before running each test"""
+ self.reporter.send_keep_alive(self)
self.logger.debug("--- setUp() for %s.%s(%s) called ---" %
(self.__class__.__name__, self._testMethodName,
self._testMethodDoc))
@classmethod
def sleep(cls, timeout, remark=None):
if hasattr(cls, 'logger'):
- cls.logger.debug("Sleeping for %ss (%s)" % (timeout, remark))
+ cls.logger.debug("Starting sleep for %ss (%s)" % (timeout, remark))
+ before = time.time()
time.sleep(timeout)
+ after = time.time()
+ if after - before > 2 * timeout:
+ cls.logger.error("unexpected time.sleep() result - "
+ "slept for %ss instead of ~%ss!" % (
+ after - before, timeout))
+ if hasattr(cls, 'logger'):
+ cls.logger.debug(
+ "Finished sleep (%s) - slept %ss (wanted %ss)" % (
+ remark, after - before, timeout))
class TestCasePrinter(object):
unittest.TestResult.addSkip(self, test, reason)
self.result_string = colorize("SKIP", YELLOW)
+ def symlink_failed(self, test):
+ logger = None
+ if hasattr(test, 'logger'):
+ logger = test.logger
+ if hasattr(test, 'tempdir'):
+ try:
+ failed_dir = os.getenv('VPP_TEST_FAILED_DIR')
+ link_path = '%s/%s-FAILED' % (failed_dir,
+ test.tempdir.split("/")[-1])
+ if logger:
+ logger.debug("creating a link to the failed test")
+ logger.debug("os.symlink(%s, %s)" %
+ (test.tempdir, link_path))
+ os.symlink(test.tempdir, link_path)
+ except Exception as e:
+ if logger:
+ logger.error(e)
+
+ def send_failure_through_pipe(self, test):
+ if hasattr(self, 'test_framework_failed_pipe'):
+ pipe = self.test_framework_failed_pipe
+ if pipe:
+ pipe.send(test.__class__)
+
def addFailure(self, test, err):
"""
Record a test failed result
if hasattr(test, 'tempdir'):
self.result_string = colorize("FAIL", RED) + \
' [ temp dir used by test case: ' + test.tempdir + ' ]'
+ self.symlink_failed(test)
else:
self.result_string = colorize("FAIL", RED) + ' [no temp dir]'
+ self.send_failure_through_pipe(test)
+
def addError(self, test, err):
"""
Record a test error result
if hasattr(test, 'tempdir'):
self.result_string = colorize("ERROR", RED) + \
' [ temp dir used by test case: ' + test.tempdir + ' ]'
+ self.symlink_failed(test)
else:
self.result_string = colorize("ERROR", RED) + ' [no temp dir]'
+ self.send_failure_through_pipe(test)
+
def getDescription(self, test):
"""
Get test description
self.stream.writeln("%s" % err)
+class Filter_by_test_option:
+ 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 and file_name != self.filter_file_name:
+ 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 VppTestRunner(unittest.TextTestRunner):
"""
A basic test runner implementation which prints results to standard error.
"""Class maintaining the results of the tests"""
return VppTestResult
- def __init__(self, stream=sys.stderr, descriptions=True, verbosity=1,
- failfast=False, buffer=False, resultclass=None):
+ def __init__(self, keep_alive_pipe=None, failed_pipe=None,
+ stream=sys.stderr, descriptions=True,
+ verbosity=1, failfast=False, buffer=False, resultclass=None):
# ignore stream setting here, use hard-coded stdout to be in sync
# with prints from VppTestCase methods ...
super(VppTestRunner, self).__init__(sys.stdout, descriptions,
verbosity, failfast, buffer,
resultclass)
+ reporter = KeepAliveReporter()
+ reporter.pipe = keep_alive_pipe
+ # this is super-ugly, but very simple to implement and works as long
+ # as we run only one test at the same time
+ VppTestResult.test_framework_failed_pipe = failed_pipe
test_option = "TEST"
filter_file_name = 'test_%s' % f
return filter_file_name, filter_class_name, filter_func_name
- def filter_tests(self, tests, filter_file, filter_class, filter_func):
+ @staticmethod
+ 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 = self.filter_tests(t, filter_file, filter_class,
- filter_func)
+ x = filter_tests(t, filter_cb)
if x.countTestCases() > 0:
result.addTest(x)
elif isinstance(t, unittest.TestCase):
# test_classifier.TestClassifier.test_acl_ip
# apply filtering only if it is so
if len(parts) == 3:
- if filter_file and filter_file != parts[0]:
- continue
- if filter_class and filter_class != parts[1]:
- continue
- if filter_func and filter_func != parts[2]:
+ if not filter_cb(parts[0], parts[1], parts[2]):
continue
result.addTest(t)
else:
:param test:
"""
- gc.disable() # disable garbage collection, we'll do that manually
+ faulthandler.enable() # emit stack trace to stderr if killed by signal
print("Running tests using custom test runner") # debug message
filter_file, filter_class, filter_func = self.parse_test_option()
print("Active filters: file=%s, class=%s, function=%s" % (
filter_file, filter_class, filter_func))
- filtered = self.filter_tests(test, filter_file, filter_class,
- filter_func)
+ filter_cb = Filter_by_test_option(
+ filter_file, filter_class, filter_func)
+ filtered = self.filter_tests(test, filter_cb)
print("%s out of %s tests match specified filters" % (
filtered.countTestCases(), test.countTestCases()))
if not running_extended_tests():
Code Review / vpp.git / blobdiff