#!/usr/bin/env python3
from __future__ import print_function
-import gc
import logging
import sys
import os
import signal
import subprocess
import unittest
-import tempfile
+import re
import time
import faulthandler
import random
import copy
-import psutil
import platform
+import shutil
from collections import deque
from threading import Thread, Event
from inspect import getdoc, isclass
from logging import FileHandler, DEBUG, Formatter
from enum import Enum
from abc import ABC, abstractmethod
+from struct import pack, unpack
import scapy.compat
-from scapy.packet import Raw
+from scapy.packet import Raw, Packet
+from config import config, available_cpus, num_cpus, max_vpp_cpus
import hook as hookmodule
from vpp_pg_interface import VppPGInterface
from vpp_sub_interface import VppSubInterface
from vpp_lo_interface import VppLoInterface
from vpp_bvi_interface import VppBviInterface
from vpp_papi_provider import VppPapiProvider
+from vpp_papi import VppEnum
import vpp_papi
from vpp_papi.vpp_stats import VPPStats
from vpp_papi.vpp_transport_socket import VppTransportSocketIOError
-from log import RED, GREEN, YELLOW, double_line_delim, single_line_delim, \
- get_logger, colorize
+from log import (
+ RED,
+ GREEN,
+ YELLOW,
+ double_line_delim,
+ single_line_delim,
+ get_logger,
+ colorize,
+)
from vpp_object import VppObjectRegistry
from util import ppp, is_core_present
from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror
from scapy.layers.inet6 import ICMPv6DestUnreach, ICMPv6EchoRequest
from scapy.layers.inet6 import ICMPv6EchoReply
+from vpp_running import use_running
+from test_result_code import TestResultCode
-from cpu_config import available_cpus, num_cpus, max_vpp_cpus
logger = logging.getLogger(__name__)
# Set up an empty logger for the testcase that can be overridden as necessary
-null_logger = logging.getLogger('VppTestCase')
+null_logger = logging.getLogger("VppTestCase")
null_logger.addHandler(logging.NullHandler())
-PASS = 0
-FAIL = 1
-ERROR = 2
-SKIP = 3
-TEST_RUN = 4
-SKIP_CPU_SHORTAGE = 5
-
-class BoolEnvironmentVariable(object):
-
- def __init__(self, env_var_name, default='n', true_values=None):
- self.name = env_var_name
- self.default = default
- self.true_values = true_values if true_values is not None else \
- ("y", "yes", "1")
-
- def __bool__(self):
- return os.getenv(self.name, self.default).lower() in self.true_values
-
- if sys.version_info[0] == 2:
- __nonzero__ = __bool__
-
- def __repr__(self):
- return 'BoolEnvironmentVariable(%r, default=%r, true_values=%r)' % \
- (self.name, self.default, self.true_values)
-
-
-debug_framework = BoolEnvironmentVariable('TEST_DEBUG')
-if debug_framework:
+if config.debug_framework:
import debug_internal
"""
class VppDiedError(Exception):
- """ exception for reporting that the subprocess has died."""
+ """exception for reporting that the subprocess has died."""
- signals_by_value = {v: k for k, v in signal.__dict__.items() if
- k.startswith('SIG') and not k.startswith('SIG_')}
+ signals_by_value = {
+ v: k
+ for k, v in signal.__dict__.items()
+ if k.startswith("SIG") and not k.startswith("SIG_")
+ }
def __init__(self, rv=None, testcase=None, method_name=None):
self.rv = rv
pass
if testcase is None and method_name is None:
- in_msg = ''
+ in_msg = ""
else:
- in_msg = ' while running %s.%s' % (testcase, method_name)
+ in_msg = " while running %s.%s" % (testcase, method_name)
if self.rv:
- msg = "VPP subprocess died unexpectedly%s with return code: %d%s."\
- % (in_msg, self.rv, ' [%s]' %
- (self.signal_name if
- self.signal_name is not None else ''))
+ msg = "VPP subprocess died unexpectedly%s with return code: %d%s." % (
+ in_msg,
+ self.rv,
+ " [%s]" % (self.signal_name if self.signal_name is not None else ""),
+ )
else:
msg = "VPP subprocess died unexpectedly%s." % in_msg
Help process information about the next packet.
Set variables to default values.
"""
+
#: Store the index of the packet.
index = -1
#: Store the index of the source packet generator interface of the packet.
def pump_output(testclass):
- """ pump output from vpp stdout/stderr to proper queues """
+ """pump output from vpp stdout/stderr to proper queues"""
+ if not hasattr(testclass, "vpp"):
+ return
stdout_fragment = ""
stderr_fragment = ""
while not testclass.pump_thread_stop_flag.is_set():
- readable = select.select([testclass.vpp.stdout.fileno(),
- testclass.vpp.stderr.fileno(),
- testclass.pump_thread_wakeup_pipe[0]],
- [], [])[0]
+ readable = select.select(
+ [
+ testclass.vpp.stdout.fileno(),
+ testclass.vpp.stderr.fileno(),
+ testclass.pump_thread_wakeup_pipe[0],
+ ],
+ [],
+ [],
+ )[0]
if testclass.vpp.stdout.fileno() in readable:
read = os.read(testclass.vpp.stdout.fileno(), 102400)
if len(read) > 0:
- split = read.decode('ascii',
- errors='backslashreplace').splitlines(True)
+ split = read.decode("ascii", errors="backslashreplace").splitlines(True)
if len(stdout_fragment) > 0:
split[0] = "%s%s" % (stdout_fragment, split[0])
if len(split) > 0 and split[-1].endswith("\n"):
limit = -1
stdout_fragment = split[-1]
testclass.vpp_stdout_deque.extend(split[:limit])
- if not testclass.cache_vpp_output:
+ if not config.cache_vpp_output:
for line in split[:limit]:
- testclass.logger.info(
- "VPP STDOUT: %s" % line.rstrip("\n"))
+ testclass.logger.info("VPP STDOUT: %s" % line.rstrip("\n"))
if testclass.vpp.stderr.fileno() in readable:
read = os.read(testclass.vpp.stderr.fileno(), 102400)
if len(read) > 0:
- split = read.decode('ascii',
- errors='backslashreplace').splitlines(True)
+ split = read.decode("ascii", errors="backslashreplace").splitlines(True)
if len(stderr_fragment) > 0:
split[0] = "%s%s" % (stderr_fragment, split[0])
if len(split) > 0 and split[-1].endswith("\n"):
stderr_fragment = split[-1]
testclass.vpp_stderr_deque.extend(split[:limit])
- if not testclass.cache_vpp_output:
+ if not config.cache_vpp_output:
for line in split[:limit]:
- testclass.logger.error(
- "VPP STDERR: %s" % line.rstrip("\n"))
+ testclass.logger.error("VPP STDERR: %s" % line.rstrip("\n"))
# ignoring the dummy pipe here intentionally - the
# flag will take care of properly terminating the loop
-def _is_skip_aarch64_set():
- return BoolEnvironmentVariable('SKIP_AARCH64')
-
-
-is_skip_aarch64_set = _is_skip_aarch64_set()
-
-
def _is_platform_aarch64():
- return platform.machine() == 'aarch64'
+ return platform.machine() == "aarch64"
is_platform_aarch64 = _is_platform_aarch64()
-def _running_extended_tests():
- return BoolEnvironmentVariable("EXTENDED_TESTS")
-
+def _is_distro_ubuntu2204():
+ with open("/etc/os-release") as f:
+ for line in f.readlines():
+ if "jammy" in line:
+ return True
+ return False
-running_extended_tests = _running_extended_tests()
+is_distro_ubuntu2204 = _is_distro_ubuntu2204()
-def _running_gcov_tests():
- return BoolEnvironmentVariable("GCOV_TESTS")
+def _is_distro_debian11():
+ with open("/etc/os-release") as f:
+ for line in f.readlines():
+ if "bullseye" in line:
+ return True
+ return False
-running_gcov_tests = _running_gcov_tests()
-
-def get_environ_vpp_worker_count():
- worker_config = os.getenv("VPP_WORKER_CONFIG", None)
- if worker_config:
- elems = worker_config.split(" ")
- if elems[0] != "workers" or len(elems) != 2:
- raise ValueError("Wrong VPP_WORKER_CONFIG == '%s' value." %
- worker_config)
- return int(elems[1])
- else:
- return 0
-
-
-environ_vpp_worker_count = get_environ_vpp_worker_count()
+is_distro_debian11 = _is_distro_debian11()
class KeepAliveReporter(object):
"""
Singleton object which reports test start to parent process
"""
+
_shared_state = {}
def __init__(self):
"""
Write current test tmpdir & desc to keep-alive pipe to signal liveness
"""
- if self.pipe is None:
+ if not hasattr(test, "vpp") or self.pipe is None:
# if not running forked..
return
if isclass(test):
- desc = '%s (%s)' % (desc, unittest.util.strclass(test))
+ desc = "%s (%s)" % (desc, unittest.util.strclass(test))
else:
desc = test.id()
- self.pipe.send((desc, test.vpp_bin, test.tempdir, test.vpp.pid))
+ self.pipe.send((desc, config.vpp, test.tempdir, test.vpp.pid))
class TestCaseTag(Enum):
RUN_SOLO = 1
# marks the suites broken on VPP multi-worker
FIXME_VPP_WORKERS = 2
+ # marks the suites broken when ASan is enabled
+ FIXME_ASAN = 3
+ # marks suites broken on Ubuntu-22.04
+ FIXME_UBUNTU2204 = 4
+ # marks suites broken on Debian-11
+ FIXME_DEBIAN11 = 5
+ # marks suites broken on debug vpp image
+ FIXME_VPP_DEBUG = 6
def create_tag_decorator(e):
except AttributeError:
cls.test_tags = [e]
return cls
+
return decorator
tag_run_solo = create_tag_decorator(TestCaseTag.RUN_SOLO)
tag_fixme_vpp_workers = create_tag_decorator(TestCaseTag.FIXME_VPP_WORKERS)
+tag_fixme_asan = create_tag_decorator(TestCaseTag.FIXME_ASAN)
+tag_fixme_ubuntu2204 = create_tag_decorator(TestCaseTag.FIXME_UBUNTU2204)
+tag_fixme_debian11 = create_tag_decorator(TestCaseTag.FIXME_DEBIAN11)
+tag_fixme_vpp_debug = create_tag_decorator(TestCaseTag.FIXME_VPP_DEBUG)
class DummyVpp:
returncode = None
- pid = 0xcafebafe
+ pid = 0xCAFEBAFE
def poll(self):
pass
cls.cpus = cpus
+@use_running
class VppTestCase(CPUInterface, 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.
"""
extra_vpp_statseg_config = ""
- extra_vpp_punt_config = []
+ extra_vpp_config = []
extra_vpp_plugin_config = []
logger = null_logger
vapi_response_timeout = 5
+ remove_configured_vpp_objects_on_tear_down = True
@property
def packet_infos(self):
@classmethod
def has_tag(cls, tag):
- """ if the test case has a given tag - return true """
+ """if the test case has a given tag - return true"""
try:
return tag in cls.test_tags
except AttributeError:
@classmethod
def is_tagged_run_solo(cls):
- """ if the test case class is timing-sensitive - return true """
+ """if the test case class is timing-sensitive - return true"""
return cls.has_tag(TestCaseTag.RUN_SOLO)
+ @classmethod
+ def skip_fixme_asan(cls):
+ """if @tag_fixme_asan & ASan is enabled - mark for skip"""
+ if cls.has_tag(TestCaseTag.FIXME_ASAN):
+ vpp_extra_cmake_args = os.environ.get("VPP_EXTRA_CMAKE_ARGS", "")
+ if "DVPP_ENABLE_SANITIZE_ADDR=ON" in vpp_extra_cmake_args:
+ cls = unittest.skip("Skipping @tag_fixme_asan tests")(cls)
+
+ @classmethod
+ def skip_fixme_ubuntu2204(cls):
+ """if distro is ubuntu 22.04 and @tag_fixme_ubuntu2204 mark for skip"""
+ if cls.has_tag(TestCaseTag.FIXME_UBUNTU2204):
+ cls = unittest.skip("Skipping @tag_fixme_ubuntu2204 tests")(cls)
+
+ @classmethod
+ def skip_fixme_debian11(cls):
+ """if distro is Debian-11 and @tag_fixme_debian11 mark for skip"""
+ if cls.has_tag(TestCaseTag.FIXME_DEBIAN11):
+ cls = unittest.skip("Skipping @tag_fixme_debian11 tests")(cls)
+
+ @classmethod
+ def skip_fixme_vpp_debug(cls):
+ cls = unittest.skip("Skipping @tag_fixme_vpp_debug tests")(cls)
+
@classmethod
def instance(cls):
"""Return the instance of this testcase"""
if cls.has_tag(TestCaseTag.FIXME_VPP_WORKERS):
cls.vpp_worker_count = 0
else:
- cls.vpp_worker_count = environ_vpp_worker_count
+ cls.vpp_worker_count = config.vpp_worker_count
return cls.vpp_worker_count
@classmethod
@classmethod
def setUpConstants(cls):
- """ Set-up the test case class based on environment variables """
- cls.step = BoolEnvironmentVariable('STEP')
- # inverted case to handle '' == True
- c = os.getenv("CACHE_OUTPUT", "1")
- cls.cache_vpp_output = False if c.lower() in ("n", "no", "0") else True
- cls.vpp_bin = os.getenv('VPP_BIN', "vpp")
- cls.plugin_path = os.getenv('VPP_PLUGIN_PATH')
- cls.test_plugin_path = os.getenv('VPP_TEST_PLUGIN_PATH')
- cls.extern_plugin_path = os.getenv('EXTERN_PLUGINS')
- plugin_path = None
- if cls.plugin_path is not None:
- if cls.extern_plugin_path is not None:
- plugin_path = "%s:%s" % (
- cls.plugin_path, cls.extern_plugin_path)
- else:
- plugin_path = cls.plugin_path
- elif cls.extern_plugin_path is not None:
- plugin_path = cls.extern_plugin_path
+ """Set-up the test case class based on environment variables"""
+ cls.step = config.step
+ cls.plugin_path = ":".join(config.vpp_plugin_dir)
+ cls.test_plugin_path = ":".join(config.vpp_test_plugin_dir)
+ cls.extern_plugin_path = ":".join(config.extern_plugin_dir)
debug_cli = ""
if cls.step or cls.debug_gdb or cls.debug_gdbserver:
debug_cli = "cli-listen localhost:5002"
- coredump_size = None
- size = os.getenv("COREDUMP_SIZE")
- if size is not None:
- coredump_size = "coredump-size %s" % size
- if coredump_size is None:
+ size = re.search(r"\d+[gG]", config.coredump_size)
+ if size:
+ coredump_size = f"coredump-size {config.coredump_size}".lower()
+ else:
coredump_size = "coredump-size unlimited"
-
- default_variant = os.getenv("VARIANT")
+ default_variant = config.variant
if default_variant is not None:
- default_variant = "defaults { %s 100 }" % default_variant
+ default_variant = "default { variant %s 100 }" % default_variant
else:
default_variant = ""
- api_fuzzing = os.getenv("API_FUZZ")
+ api_fuzzing = config.api_fuzz
if api_fuzzing is None:
- api_fuzzing = 'off'
+ api_fuzzing = "off"
cls.vpp_cmdline = [
- cls.vpp_bin,
- "unix", "{", "nodaemon", debug_cli, "full-coredump",
- coredump_size, "runtime-dir", cls.tempdir, "}",
- "api-trace", "{", "on", "}",
- "api-segment", "{", "prefix", cls.get_api_segment_prefix(), "}",
- "cpu", "{", "main-core", str(cls.cpus[0]), ]
- if cls.get_vpp_worker_count():
- cls.vpp_cmdline.extend([
- "corelist-workers", ",".join([str(x) for x in cls.cpus[1:]])])
- cls.vpp_cmdline.extend([
+ config.vpp,
+ "unix",
+ "{",
+ "nodaemon",
+ debug_cli,
+ "full-coredump",
+ coredump_size,
+ "runtime-dir",
+ cls.tempdir,
"}",
- "physmem", "{", "max-size", "32m", "}",
- "statseg", "{", "socket-name", cls.get_stats_sock_path(),
- cls.extra_vpp_statseg_config, "}",
- "socksvr", "{", "socket-name", cls.get_api_sock_path(), "}",
- "node { ", default_variant, "}",
- "api-fuzz {", api_fuzzing, "}",
- "plugins", "{", "plugin", "dpdk_plugin.so", "{", "disable", "}",
- "plugin", "rdma_plugin.so", "{", "disable", "}",
- "plugin", "lisp_unittest_plugin.so", "{", "enable", "}",
- "plugin", "unittest_plugin.so", "{", "enable", "}"
- ] + cls.extra_vpp_plugin_config + ["}", ])
-
- if cls.extra_vpp_punt_config is not None:
- cls.vpp_cmdline.extend(cls.extra_vpp_punt_config)
- if plugin_path is not None:
- cls.vpp_cmdline.extend(["plugin_path", plugin_path])
- if cls.test_plugin_path is not None:
- cls.vpp_cmdline.extend(["test_plugin_path", cls.test_plugin_path])
+ "api-trace",
+ "{",
+ "on",
+ "}",
+ "api-segment",
+ "{",
+ "prefix",
+ cls.get_api_segment_prefix(),
+ "}",
+ "cpu",
+ "{",
+ "main-core",
+ str(cls.cpus[0]),
+ ]
+ if cls.extern_plugin_path not in (None, ""):
+ cls.extra_vpp_plugin_config.append("add-path %s" % cls.extern_plugin_path)
+ if cls.get_vpp_worker_count():
+ cls.vpp_cmdline.extend(
+ ["corelist-workers", ",".join([str(x) for x in cls.cpus[1:]])]
+ )
+ cls.vpp_cmdline.extend(
+ [
+ "}",
+ "physmem",
+ "{",
+ "max-size",
+ "32m",
+ "}",
+ "statseg",
+ "{",
+ "socket-name",
+ cls.get_stats_sock_path(),
+ cls.extra_vpp_statseg_config,
+ "}",
+ "socksvr",
+ "{",
+ "socket-name",
+ cls.get_api_sock_path(),
+ "}",
+ "node { ",
+ default_variant,
+ "}",
+ "api-fuzz {",
+ api_fuzzing,
+ "}",
+ "plugins",
+ "{",
+ "plugin",
+ "dpdk_plugin.so",
+ "{",
+ "disable",
+ "}",
+ "plugin",
+ "rdma_plugin.so",
+ "{",
+ "disable",
+ "}",
+ "plugin",
+ "lisp_unittest_plugin.so",
+ "{",
+ "enable",
+ "}",
+ "plugin",
+ "unittest_plugin.so",
+ "{",
+ "enable",
+ "}",
+ ]
+ + cls.extra_vpp_plugin_config
+ + [
+ "}",
+ ]
+ )
+
+ if cls.extra_vpp_config is not None:
+ cls.vpp_cmdline.extend(cls.extra_vpp_config)
if not cls.debug_attach:
cls.logger.info("vpp_cmdline args: %s" % cls.vpp_cmdline)
print(single_line_delim)
print("You can debug VPP using:")
if cls.debug_gdbserver:
- print("sudo gdb " + cls.vpp_bin +
- " -ex 'target remote localhost:{port}'"
- .format(port=cls.gdbserver_port))
- print("Now is the time to attach gdb by running the above "
- "command, set up breakpoints etc., then resume VPP from "
- "within gdb by issuing the 'continue' command")
+ print(
+ f"sudo gdb {config.vpp} "
+ f"-ex 'target remote localhost:{cls.gdbserver_port}'"
+ )
+ print(
+ "Now is the time to attach gdb by running the above "
+ "command, set up breakpoints etc., then resume VPP from "
+ "within gdb by issuing the 'continue' command"
+ )
cls.gdbserver_port += 1
elif cls.debug_gdb:
- print("sudo gdb " + cls.vpp_bin + " -ex 'attach %s'" % cls.vpp.pid)
- print("Now is the time to attach gdb by running the above "
- "command and set up breakpoints etc., then resume VPP from"
- " within gdb by issuing the 'continue' command")
+ print(f"sudo gdb {config.vpp} -ex 'attach {cls.vpp.pid}'")
+ print(
+ "Now is the time to attach gdb by running the above "
+ "command and set up breakpoints etc., then resume VPP from"
+ " within gdb by issuing the 'continue' command"
+ )
print(single_line_delim)
input("Press ENTER to continue running the testcase...")
@classmethod
def run_vpp(cls):
+ if (
+ is_distro_ubuntu2204 == True and cls.has_tag(TestCaseTag.FIXME_UBUNTU2204)
+ ) or (is_distro_debian11 == True and cls.has_tag(TestCaseTag.FIXME_DEBIAN11)):
+ return
cls.logger.debug(f"Assigned cpus: {cls.cpus}")
cmdline = cls.vpp_cmdline
if cls.debug_gdbserver:
- gdbserver = '/usr/bin/gdbserver'
- if not os.path.isfile(gdbserver) or\
- not os.access(gdbserver, os.X_OK):
- raise Exception("gdbserver binary '%s' does not exist or is "
- "not executable" % gdbserver)
-
- cmdline = [gdbserver, 'localhost:{port}'
- .format(port=cls.gdbserver_port)] + cls.vpp_cmdline
+ gdbserver = "/usr/bin/gdbserver"
+ if not os.path.isfile(gdbserver) or not os.access(gdbserver, os.X_OK):
+ raise Exception(
+ "gdbserver binary '%s' does not exist or is "
+ "not executable" % gdbserver
+ )
+
+ cmdline = [
+ gdbserver,
+ "localhost:{port}".format(port=cls.gdbserver_port),
+ ] + cls.vpp_cmdline
cls.logger.info("Gdbserver cmdline is %s", " ".join(cmdline))
try:
- cls.vpp = subprocess.Popen(cmdline,
- stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
+ cls.vpp = subprocess.Popen(
+ cmdline, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+ )
except subprocess.CalledProcessError as e:
- cls.logger.critical("Subprocess returned with non-0 return code: ("
- "%s)", e.returncode)
+ cls.logger.critical(
+ "Subprocess returned with non-0 return code: (%s)", e.returncode
+ )
raise
except OSError as e:
- cls.logger.critical("Subprocess returned with OS error: "
- "(%s) %s", e.errno, e.strerror)
+ cls.logger.critical(
+ "Subprocess returned with OS error: (%s) %s", e.errno, e.strerror
+ )
raise
except Exception as e:
- cls.logger.exception("Subprocess returned unexpected from "
- "%s:", cmdline)
+ cls.logger.exception("Subprocess returned unexpected from %s:", cmdline)
raise
cls.wait_for_enter()
ok = True
break
if not ok:
- cls.logger.error("Timed out waiting for coredump to complete:"
- " %s", corefile)
+ cls.logger.error(
+ "Timed out waiting for coredump to complete: %s", corefile
+ )
else:
- cls.logger.error("Coredump complete: %s, size %d",
- corefile, curr_size)
+ cls.logger.error("Coredump complete: %s, size %d", corefile, curr_size)
@classmethod
def get_stats_sock_path(cls):
@classmethod
def get_tempdir(cls):
if cls.debug_attach:
- return os.getenv("VPP_IN_GDB_TMP_DIR",
- "/tmp/unittest-attach-gdb")
+ tmpdir = f"{config.tmp_dir}/unittest-attach-gdb"
else:
- return tempfile.mkdtemp(prefix='vpp-unittest-%s-' % cls.__name__)
+ tmpdir = f"{config.tmp_dir}/vpp-unittest-{cls.__name__}"
+ if config.wipe_tmp_dir:
+ shutil.rmtree(tmpdir, ignore_errors=True)
+ os.mkdir(tmpdir)
+ return tmpdir
+
+ @classmethod
+ def create_file_handler(cls):
+ if config.log_dir is None:
+ cls.file_handler = FileHandler(f"{cls.tempdir}/log.txt")
+ return
+
+ logdir = f"{config.log_dir}/vpp-unittest-{cls.__name__}"
+ if config.wipe_tmp_dir:
+ shutil.rmtree(logdir, ignore_errors=True)
+ os.mkdir(logdir)
+ cls.file_handler = FileHandler(f"{logdir}/log.txt")
@classmethod
def setUpClass(cls):
"""
super(VppTestCase, cls).setUpClass()
cls.logger = get_logger(cls.__name__)
- seed = os.environ["RND_SEED"]
- random.seed(seed)
- if hasattr(cls, 'parallel_handler'):
+ random.seed(config.rnd_seed)
+ if hasattr(cls, "parallel_handler"):
cls.logger.addHandler(cls.parallel_handler)
cls.logger.propagate = False
- d = os.getenv("DEBUG", None)
- cls.set_debug_flags(d)
+ cls.set_debug_flags(config.debug)
cls.tempdir = cls.get_tempdir()
- cls.file_handler = FileHandler("%s/log.txt" % cls.tempdir)
+ cls.create_file_handler()
cls.file_handler.setFormatter(
- Formatter(fmt='%(asctime)s,%(msecs)03d %(message)s',
- datefmt="%H:%M:%S"))
+ Formatter(fmt="%(asctime)s,%(msecs)03d %(message)s", datefmt="%H:%M:%S")
+ )
cls.file_handler.setLevel(DEBUG)
cls.logger.addHandler(cls.file_handler)
cls.logger.debug("--- setUpClass() for %s called ---" % cls.__name__)
os.chdir(cls.tempdir)
- cls.logger.info("Temporary dir is %s, api socket is %s",
- cls.tempdir, cls.get_api_sock_path())
- cls.logger.debug("Random seed is %s", seed)
+ cls.logger.info(
+ "Temporary dir is %s, api socket is %s",
+ cls.tempdir,
+ cls.get_api_sock_path(),
+ )
+ cls.logger.debug("Random seed is %s", config.rnd_seed)
cls.setUpConstants()
cls.reset_packet_infos()
cls._pcaps = []
cls.attach_vpp()
else:
cls.run_vpp()
- cls.reporter.send_keep_alive(cls, 'setUpClass')
+ if not hasattr(cls, "vpp"):
+ return
+ cls.reporter.send_keep_alive(cls, "setUpClass")
VppTestResult.current_test_case_info = TestCaseInfo(
- cls.logger, cls.tempdir, cls.vpp.pid, cls.vpp_bin)
+ cls.logger, cls.tempdir, cls.vpp.pid, config.vpp
+ )
cls.vpp_stdout_deque = deque()
cls.vpp_stderr_deque = deque()
- if not cls.debug_attach:
+ # Pump thread in a non-debug-attached & not running-vpp
+ if not cls.debug_attach and not hasattr(cls, "running_vpp"):
cls.pump_thread_stop_flag = Event()
cls.pump_thread_wakeup_pipe = os.pipe()
cls.pump_thread = Thread(target=pump_output, args=(cls,))
cls.pump_thread.start()
if cls.debug_gdb or cls.debug_gdbserver or cls.debug_attach:
cls.vapi_response_timeout = 0
- cls.vapi = VppPapiProvider(cls.__name__, cls,
- cls.vapi_response_timeout)
+ cls.vapi = VppPapiProvider(cls.__name__, cls, cls.vapi_response_timeout)
if cls.step:
hook = hookmodule.StepHook(cls)
else:
cls.vpp_startup_failed = True
cls.logger.critical(
"VPP died shortly after startup, check the"
- " output to standard error for possible cause")
+ " output to standard error for possible cause"
+ )
raise
try:
cls.vapi.connect()
cls.vapi.disconnect()
if cls.debug_gdbserver:
- print(colorize("You're running VPP inside gdbserver but "
- "VPP-API connection failed, did you forget "
- "to 'continue' VPP from within gdb?", RED))
+ print(
+ colorize(
+ "You're running VPP inside gdbserver but "
+ "VPP-API connection failed, did you forget "
+ "to 'continue' VPP from within gdb?",
+ RED,
+ )
+ )
raise e
if cls.debug_attach:
last_line = cls.vapi.cli("show thread").split("\n")[-2]
@classmethod
def _debug_quit(cls):
- if (cls.debug_gdbserver or cls.debug_gdb):
+ if cls.debug_gdbserver or cls.debug_gdb:
try:
cls.vpp.poll()
print(double_line_delim)
print("VPP or GDB server is still running")
print(single_line_delim)
- input("When done debugging, press ENTER to kill the "
- "process and finish running the testcase...")
+ input(
+ "When done debugging, press ENTER to kill the "
+ "process and finish running the testcase..."
+ )
except AttributeError:
pass
Disconnect vpp-api, kill vpp and cleanup shared memory files
"""
cls._debug_quit()
+ if hasattr(cls, "running_vpp"):
+ cls.vpp.quit_vpp()
# first signal that we want to stop the pump thread, then wake it up
- if hasattr(cls, 'pump_thread_stop_flag'):
+ if hasattr(cls, "pump_thread_stop_flag"):
cls.pump_thread_stop_flag.set()
- if hasattr(cls, 'pump_thread_wakeup_pipe'):
- os.write(cls.pump_thread_wakeup_pipe[1], b'ding dong wake up')
- if hasattr(cls, 'pump_thread'):
+ if hasattr(cls, "pump_thread_wakeup_pipe"):
+ os.write(cls.pump_thread_wakeup_pipe[1], b"ding dong wake up")
+ if hasattr(cls, "pump_thread"):
cls.logger.debug("Waiting for pump thread to stop")
cls.pump_thread.join()
- if hasattr(cls, 'vpp_stderr_reader_thread'):
+ if hasattr(cls, "vpp_stderr_reader_thread"):
cls.logger.debug("Waiting for stderr pump to stop")
cls.vpp_stderr_reader_thread.join()
- if hasattr(cls, 'vpp'):
- if hasattr(cls, 'vapi'):
+ if hasattr(cls, "vpp"):
+ if hasattr(cls, "vapi"):
cls.logger.debug(cls.vapi.vpp.get_stats())
- cls.logger.debug("Disconnecting class vapi client on %s",
- cls.__name__)
+ cls.logger.debug("Disconnecting class vapi client on %s", cls.__name__)
cls.vapi.disconnect()
- cls.logger.debug("Deleting class vapi attribute on %s",
- cls.__name__)
+ cls.logger.debug("Deleting class vapi attribute on %s", cls.__name__)
del cls.vapi
cls.vpp.poll()
if not cls.debug_attach and cls.vpp.returncode is None:
except subprocess.TimeoutExpired:
cls.vpp.kill()
outs, errs = cls.vpp.communicate()
- cls.logger.debug("Deleting class vpp attribute on %s",
- cls.__name__)
- if not cls.debug_attach:
+ cls.logger.debug("Deleting class vpp attribute on %s", cls.__name__)
+ if not cls.debug_attach and not hasattr(cls, "running_vpp"):
cls.vpp.stdout.close()
cls.vpp.stderr.close()
- del cls.vpp
+ # If vpp is a dynamic attribute set by the func use_running,
+ # deletion will result in an AttributeError that we can
+ # safetly pass.
+ try:
+ del cls.vpp
+ except AttributeError:
+ pass
if cls.vpp_startup_failed:
stdout_log = cls.logger.info
stdout_log = cls.logger.info
stderr_log = cls.logger.info
- if hasattr(cls, 'vpp_stdout_deque'):
+ if hasattr(cls, "vpp_stdout_deque"):
stdout_log(single_line_delim)
- stdout_log('VPP output to stdout while running %s:', cls.__name__)
+ stdout_log("VPP output to stdout while running %s:", cls.__name__)
stdout_log(single_line_delim)
vpp_output = "".join(cls.vpp_stdout_deque)
- with open(cls.tempdir + '/vpp_stdout.txt', 'w') as f:
+ with open(cls.tempdir + "/vpp_stdout.txt", "w") as f:
f.write(vpp_output)
- stdout_log('\n%s', vpp_output)
+ stdout_log("\n%s", vpp_output)
stdout_log(single_line_delim)
- if hasattr(cls, 'vpp_stderr_deque'):
+ if hasattr(cls, "vpp_stderr_deque"):
stderr_log(single_line_delim)
- stderr_log('VPP output to stderr while running %s:', cls.__name__)
+ stderr_log("VPP output to stderr while running %s:", cls.__name__)
stderr_log(single_line_delim)
vpp_output = "".join(cls.vpp_stderr_deque)
- with open(cls.tempdir + '/vpp_stderr.txt', 'w') as f:
+ with open(cls.tempdir + "/vpp_stderr.txt", "w") as f:
f.write(vpp_output)
- stderr_log('\n%s', vpp_output)
+ stderr_log("\n%s", vpp_output)
stderr_log(single_line_delim)
@classmethod
def tearDownClass(cls):
- """ Perform final cleanup after running all tests in this test-case """
- cls.logger.debug("--- tearDownClass() for %s called ---" %
- cls.__name__)
- cls.reporter.send_keep_alive(cls, 'tearDownClass')
+ """Perform final cleanup after running all tests in this test-case"""
+ cls.logger.debug("--- tearDownClass() for %s called ---" % cls.__name__)
+ if not hasattr(cls, "vpp"):
+ return
+ cls.reporter.send_keep_alive(cls, "tearDownClass")
cls.quit()
cls.file_handler.close()
cls.reset_packet_infos()
- if debug_framework:
+ if config.debug_framework:
debug_internal.on_tear_down_class(cls)
def show_commands_at_teardown(self):
- """ Allow subclass specific teardown logging additions."""
+ """Allow subclass specific teardown logging additions."""
self.logger.info("--- No test specific show commands provided. ---")
def tearDown(self):
- """ Show various debug prints after each test """
- self.logger.debug("--- tearDown() for %s.%s(%s) called ---" %
- (self.__class__.__name__, self._testMethodName,
- self._testMethodDoc))
+ """Show various debug prints after each test"""
+ self.logger.debug(
+ "--- tearDown() for %s.%s(%s) called ---"
+ % (self.__class__.__name__, self._testMethodName, self._testMethodDoc)
+ )
+ if not hasattr(self, "vpp"):
+ return
try:
if not self.vpp_dead:
self.logger.info(self.vapi.ppcli("show bihash"))
self.logger.info("Logging testcase specific show commands.")
self.show_commands_at_teardown()
- self.registry.remove_vpp_config(self.logger)
+ if self.remove_configured_vpp_objects_on_tear_down:
+ self.registry.remove_vpp_config(self.logger)
# Save/Dump VPP api trace log
m = self._testMethodName
api_trace = "vpp_api_trace.%s.%d.log" % (m, self.vpp.pid)
tmp_api_trace = "/tmp/%s" % api_trace
vpp_api_trace_log = "%s/%s" % (self.tempdir, api_trace)
self.logger.info(self.vapi.ppcli("api trace save %s" % api_trace))
- self.logger.info("Moving %s to %s\n" % (tmp_api_trace,
- vpp_api_trace_log))
- os.rename(tmp_api_trace, vpp_api_trace_log)
- self.logger.info(self.vapi.ppcli("api trace custom-dump %s" %
- vpp_api_trace_log))
+ self.logger.info("Moving %s to %s\n" % (tmp_api_trace, vpp_api_trace_log))
+ shutil.move(tmp_api_trace, vpp_api_trace_log)
except VppTransportSocketIOError:
- self.logger.debug("VppTransportSocketIOError: Vpp dead. "
- "Cannot log show commands.")
+ self.logger.debug(
+ "VppTransportSocketIOError: Vpp dead. Cannot log show commands."
+ )
self.vpp_dead = True
else:
self.registry.unregister_all(self.logger)
def setUp(self):
- """ Clear trace before running each test"""
+ """Clear trace before running each test"""
super(VppTestCase, self).setUp()
+ if not hasattr(self, "vpp"):
+ return
self.reporter.send_keep_alive(self)
if self.vpp_dead:
- raise VppDiedError(rv=None, testcase=self.__class__.__name__,
- method_name=self._testMethodName)
- self.sleep(.1, "during setUp")
+ raise VppDiedError(
+ rv=None,
+ testcase=self.__class__.__name__,
+ method_name=self._testMethodName,
+ )
+ self.sleep(0.1, "during setUp")
self.vpp_stdout_deque.append(
- "--- test setUp() for %s.%s(%s) starts here ---\n" %
- (self.__class__.__name__, self._testMethodName,
- self._testMethodDoc))
+ "--- test setUp() for %s.%s(%s) starts here ---\n"
+ % (self.__class__.__name__, self._testMethodName, self._testMethodDoc)
+ )
self.vpp_stderr_deque.append(
- "--- test setUp() for %s.%s(%s) starts here ---\n" %
- (self.__class__.__name__, self._testMethodName,
- self._testMethodDoc))
+ "--- test setUp() for %s.%s(%s) starts here ---\n"
+ % (self.__class__.__name__, self._testMethodName, self._testMethodDoc)
+ )
self.vapi.cli("clear trace")
# store the test instance inside the test class - so that objects
# holding the class can access instance methods (like assertEqual)
@classmethod
def register_pcap(cls, intf, worker):
- """ Register a pcap in the testclass """
+ """Register a pcap in the testclass"""
# add to the list of captures with current timestamp
cls._pcaps.append((intf, worker))
def get_vpp_time(cls):
# processes e.g. "Time now 2.190522, Wed, 11 Mar 2020 17:29:54 GMT"
# returns float("2.190522")
- timestr = cls.vapi.cli('show clock')
- head, sep, tail = timestr.partition(',')
- head, sep, tail = head.partition('Time now')
+ timestr = cls.vapi.cli("show clock")
+ head, sep, tail = timestr.partition(",")
+ head, sep, tail = head.partition("Time now")
return float(tail)
@classmethod
def sleep_on_vpp_time(cls, sec):
- """ Sleep according to time in VPP world """
+ """Sleep according to time in VPP world"""
# On a busy system with many processes
# we might end up with VPP time being slower than real world
# So take that into account when waiting for VPP to do something
@classmethod
def pg_start(cls, trace=True):
- """ Enable the PG, wait till it is done, then clean up """
- for (intf, worker) in cls._old_pcaps:
- intf.rename_old_pcap_file(intf.get_in_path(worker),
- intf.in_history_counter)
+ """Enable the PG, wait till it is done, then clean up"""
+ for intf, worker in cls._old_pcaps:
+ intf.handle_old_pcap_file(intf.get_in_path(worker), intf.in_history_counter)
cls._old_pcaps = []
if trace:
cls.vapi.cli("clear trace")
cls.vapi.cli("trace add pg-input 1000")
- cls.vapi.cli('packet-generator enable')
+ cls.vapi.cli("packet-generator enable")
# PG, when starts, runs to completion -
# so let's avoid a race condition,
# and wait a little till it's done.
# Then clean it up - and then be gone.
deadline = time.time() + 300
- while cls.vapi.cli('show packet-generator').find("Yes") != -1:
+ while cls.vapi.cli("show packet-generator").find("Yes") != -1:
cls.sleep(0.01) # yield
if time.time() > deadline:
cls.logger.error("Timeout waiting for pg to stop")
break
for intf, worker in cls._pcaps:
- cls.vapi.cli('packet-generator delete %s' %
- intf.get_cap_name(worker))
+ cls.vapi.cli("packet-generator delete %s" % intf.get_cap_name(worker))
cls._old_pcaps = cls._pcaps
cls._pcaps = []
@classmethod
- def create_pg_interfaces(cls, interfaces, gso=0, gso_size=0):
+ def create_pg_interfaces_internal(cls, interfaces, gso=0, gso_size=0, mode=None):
"""
Create packet-generator interfaces.
"""
result = []
for i in interfaces:
- intf = VppPGInterface(cls, i, gso, gso_size)
+ intf = VppPGInterface(cls, i, gso, gso_size, mode)
setattr(cls, intf.name, intf)
result.append(intf)
cls.pg_interfaces = result
return result
+ @classmethod
+ def create_pg_ip4_interfaces(cls, interfaces, gso=0, gso_size=0):
+ if not hasattr(cls, "vpp"):
+ cls.pg_interfaces = []
+ return cls.pg_interfaces
+ pgmode = VppEnum.vl_api_pg_interface_mode_t
+ return cls.create_pg_interfaces_internal(
+ interfaces, gso, gso_size, pgmode.PG_API_MODE_IP4
+ )
+
+ @classmethod
+ def create_pg_ip6_interfaces(cls, interfaces, gso=0, gso_size=0):
+ if not hasattr(cls, "vpp"):
+ cls.pg_interfaces = []
+ return cls.pg_interfaces
+ pgmode = VppEnum.vl_api_pg_interface_mode_t
+ return cls.create_pg_interfaces_internal(
+ interfaces, gso, gso_size, pgmode.PG_API_MODE_IP6
+ )
+
+ @classmethod
+ def create_pg_interfaces(cls, interfaces, gso=0, gso_size=0):
+ if not hasattr(cls, "vpp"):
+ cls.pg_interfaces = []
+ return cls.pg_interfaces
+ pgmode = VppEnum.vl_api_pg_interface_mode_t
+ return cls.create_pg_interfaces_internal(
+ interfaces, gso, gso_size, pgmode.PG_API_MODE_ETHERNET
+ )
+
+ @classmethod
+ def create_pg_ethernet_interfaces(cls, interfaces, gso=0, gso_size=0):
+ if not hasattr(cls, "vpp"):
+ cls.pg_interfaces = []
+ return cls.pg_interfaces
+ pgmode = VppEnum.vl_api_pg_interface_mode_t
+ return cls.create_pg_interfaces_internal(
+ interfaces, gso, gso_size, pgmode.PG_API_MODE_ETHERNET
+ )
+
@classmethod
def create_loopback_interfaces(cls, count):
"""
:param count: number of interfaces created.
:returns: List of created interfaces.
"""
+ if not hasattr(cls, "vpp"):
+ cls.lo_interfaces = []
+ return cls.lo_interfaces
result = [VppLoInterface(cls) for i in range(count)]
for intf in result:
setattr(cls, intf.name, intf)
:param count: number of interfaces created.
:returns: List of created interfaces.
"""
+ if not hasattr(cls, "vpp"):
+ cls.bvi_interfaces = []
+ return cls.bvi_interfaces
result = [VppBviInterface(cls) for i in range(count)]
for intf in result:
setattr(cls, intf.name, intf)
return result
@staticmethod
- def extend_packet(packet, size, padding=' '):
+ def extend_packet(packet, size, padding=" "):
"""
Extend packet to given size by padding with spaces or custom padding
NOTE: Currently works only when Raw layer is present.
@classmethod
def reset_packet_infos(cls):
- """ Reset the list of packet info objects and packet counts to zero """
+ """Reset the list of packet info objects and packet counts to zero"""
cls._packet_infos = {}
cls._packet_count_for_dst_if_idx = {}
:returns: string containing serialized data from packet info
"""
- return "%d %d %d %d %d" % (info.index, info.src, info.dst,
- info.ip, info.proto)
+
+ # retrieve payload, currently 18 bytes (4 x ints + 1 short)
+ return pack("iiiih", info.index, info.src, info.dst, info.ip, info.proto)
@staticmethod
- def payload_to_info(payload, payload_field='load'):
+ def payload_to_info(payload, payload_field="load"):
"""
Convert packet payload to _PacketInfo object
:returns: _PacketInfo object containing de-serialized data from payload
"""
- numbers = getattr(payload, payload_field).split()
+
+ # retrieve payload, currently 18 bytes (4 x ints + 1 short)
+ payload_b = getattr(payload, payload_field)[:18]
+
info = _PacketInfo()
- info.index = int(numbers[0])
- info.src = int(numbers[1])
- info.dst = int(numbers[2])
- info.ip = int(numbers[3])
- info.proto = int(numbers[4])
+ info.index, info.src, info.dst, info.ip, info.proto = unpack("iiiih", payload_b)
+
+ # some SRv6 TCs depend on get an exception if bad values are detected
+ if info.index > 0x4000:
+ raise ValueError("Index value is invalid")
+
return info
def get_next_packet_info(self, info):
return
try:
msg = "Invalid %s: %d('%s') does not match expected value %d('%s')"
- msg = msg % (getdoc(name_or_class).strip(),
- real_value, str(name_or_class(real_value)),
- expected_value, str(name_or_class(expected_value)))
+ msg = msg % (
+ getdoc(name_or_class).strip(),
+ real_value,
+ str(name_or_class(real_value)),
+ expected_value,
+ str(name_or_class(expected_value)),
+ )
except Exception:
msg = "Invalid %s: %s does not match expected value %s" % (
- name_or_class, real_value, expected_value)
+ name_or_class,
+ real_value,
+ expected_value,
+ )
self.assertEqual(real_value, expected_value, msg)
- def assert_in_range(self,
- real_value,
- expected_min,
- expected_max,
- name=None):
+ def assert_in_range(self, real_value, expected_min, expected_max, name=None):
if name is None:
msg = None
else:
msg = "Invalid %s: %s out of range <%s,%s>" % (
- name, real_value, expected_min, expected_max)
+ name,
+ real_value,
+ expected_min,
+ expected_max,
+ )
self.assertTrue(expected_min <= real_value <= expected_max, msg)
- def assert_packet_checksums_valid(self, packet,
- ignore_zero_udp_checksums=True):
+ def assert_packet_checksums_valid(self, packet, ignore_zero_udp_checksums=True):
received = packet.__class__(scapy.compat.raw(packet))
- udp_layers = ['UDP', 'UDPerror']
- checksum_fields = ['cksum', 'chksum']
+ udp_layers = ["UDP", "UDPerror"]
+ checksum_fields = ["cksum", "chksum"]
checksums = []
counter = 0
temp = received.__class__(scapy.compat.raw(received))
layer.remove_payload()
for cf in checksum_fields:
if hasattr(layer, cf):
- if ignore_zero_udp_checksums and \
- 0 == getattr(layer, cf) and \
- layer.name in udp_layers:
+ if (
+ ignore_zero_udp_checksums
+ and 0 == getattr(layer, cf)
+ and layer.name in udp_layers
+ ):
continue
delattr(temp.getlayer(counter), cf)
checksums.append((counter, cf))
if 0 == len(checksums):
return
temp = temp.__class__(scapy.compat.raw(temp))
- for layer, cf in checksums:
+ for layer, cf in reversed(checksums):
calc_sum = getattr(temp[layer], cf)
self.assert_equal(
- getattr(received[layer], cf), calc_sum,
- "packet checksum on layer #%d: %s" % (layer, temp[layer].name))
+ getattr(received[layer], cf),
+ calc_sum,
+ "packet checksum on layer #%d: %s" % (layer, temp[layer].name),
+ )
self.logger.debug(
- "Checksum field `%s` on `%s` layer has correct value `%s`" %
- (cf, temp[layer].name, calc_sum))
-
- def assert_checksum_valid(self, received_packet, layer,
- field_name='chksum',
- ignore_zero_checksum=False):
- """ Check checksum of received packet on given layer """
+ "Checksum field `%s` on `%s` layer has correct value `%s`"
+ % (cf, temp[layer].name, calc_sum)
+ )
+
+ def assert_checksum_valid(
+ self,
+ received_packet,
+ layer,
+ checksum_field_names=["chksum", "cksum"],
+ ignore_zero_checksum=False,
+ ):
+ """Check checksum of received packet on given layer"""
+ layer_copy = received_packet[layer].copy()
+ layer_copy.remove_payload()
+ field_name = None
+ for f in checksum_field_names:
+ if hasattr(layer_copy, f):
+ field_name = f
+ break
+ if field_name is None:
+ raise Exception(
+ f"Layer `{layer}` has none of checksum fields: `{checksum_field_names}`."
+ )
received_packet_checksum = getattr(received_packet[layer], field_name)
if ignore_zero_checksum and 0 == received_packet_checksum:
return
- recalculated = received_packet.__class__(
- scapy.compat.raw(received_packet))
+ recalculated = received_packet.__class__(scapy.compat.raw(received_packet))
delattr(recalculated[layer], field_name)
recalculated = recalculated.__class__(scapy.compat.raw(recalculated))
- self.assert_equal(received_packet_checksum,
- getattr(recalculated[layer], field_name),
- "packet checksum on layer: %s" % layer)
-
- def assert_ip_checksum_valid(self, received_packet,
- ignore_zero_checksum=False):
- self.assert_checksum_valid(received_packet, 'IP',
- ignore_zero_checksum=ignore_zero_checksum)
-
- def assert_tcp_checksum_valid(self, received_packet,
- ignore_zero_checksum=False):
- self.assert_checksum_valid(received_packet, 'TCP',
- ignore_zero_checksum=ignore_zero_checksum)
-
- def assert_udp_checksum_valid(self, received_packet,
- ignore_zero_checksum=True):
- self.assert_checksum_valid(received_packet, 'UDP',
- ignore_zero_checksum=ignore_zero_checksum)
+ self.assert_equal(
+ received_packet_checksum,
+ getattr(recalculated[layer], field_name),
+ f"packet checksum (field: {field_name}) on layer: %s" % layer,
+ )
+
+ def assert_ip_checksum_valid(self, received_packet, ignore_zero_checksum=False):
+ self.assert_checksum_valid(
+ received_packet, "IP", ignore_zero_checksum=ignore_zero_checksum
+ )
+
+ def assert_tcp_checksum_valid(self, received_packet, ignore_zero_checksum=False):
+ self.assert_checksum_valid(
+ received_packet, "TCP", ignore_zero_checksum=ignore_zero_checksum
+ )
+
+ def assert_udp_checksum_valid(self, received_packet, ignore_zero_checksum=True):
+ self.assert_checksum_valid(
+ received_packet, "UDP", ignore_zero_checksum=ignore_zero_checksum
+ )
def assert_embedded_icmp_checksum_valid(self, received_packet):
if received_packet.haslayer(IPerror):
- self.assert_checksum_valid(received_packet, 'IPerror')
+ self.assert_checksum_valid(received_packet, "IPerror")
if received_packet.haslayer(TCPerror):
- self.assert_checksum_valid(received_packet, 'TCPerror')
+ self.assert_checksum_valid(received_packet, "TCPerror")
if received_packet.haslayer(UDPerror):
- self.assert_checksum_valid(received_packet, 'UDPerror',
- ignore_zero_checksum=True)
+ self.assert_checksum_valid(
+ received_packet, "UDPerror", ignore_zero_checksum=True
+ )
if received_packet.haslayer(ICMPerror):
- self.assert_checksum_valid(received_packet, 'ICMPerror')
+ self.assert_checksum_valid(received_packet, "ICMPerror")
def assert_icmp_checksum_valid(self, received_packet):
- self.assert_checksum_valid(received_packet, 'ICMP')
+ self.assert_checksum_valid(received_packet, "ICMP")
self.assert_embedded_icmp_checksum_valid(received_packet)
def assert_icmpv6_checksum_valid(self, pkt):
if pkt.haslayer(ICMPv6DestUnreach):
- self.assert_checksum_valid(pkt, 'ICMPv6DestUnreach', 'cksum')
+ self.assert_checksum_valid(pkt, "ICMPv6DestUnreach")
self.assert_embedded_icmp_checksum_valid(pkt)
if pkt.haslayer(ICMPv6EchoRequest):
- self.assert_checksum_valid(pkt, 'ICMPv6EchoRequest', 'cksum')
+ self.assert_checksum_valid(pkt, "ICMPv6EchoRequest")
if pkt.haslayer(ICMPv6EchoReply):
- self.assert_checksum_valid(pkt, 'ICMPv6EchoReply', 'cksum')
+ self.assert_checksum_valid(pkt, "ICMPv6EchoReply")
- def get_packet_counter(self, counter):
+ def get_counter(self, counter):
if counter.startswith("/"):
counter_value = self.statistics.get_counter(counter)
else:
- counters = self.vapi.cli("sh errors").split('\n')
+ counters = self.vapi.cli("sh errors").split("\n")
counter_value = 0
for i in range(1, len(counters) - 1):
results = counters[i].split()
break
return counter_value
+ def assert_counter_equal(self, counter, expected_value, thread=None, index=0):
+ c = self.get_counter(counter)
+ if thread is not None:
+ c = c[thread][index]
+ else:
+ c = sum(x[index] for x in c)
+ self.logger.debug(
+ "validate counter `%s[%s]', expected: %s, real value: %s"
+ % (counter, index, expected_value, c)
+ )
+ self.assert_equal(c, expected_value, "counter `%s[%s]'" % (counter, index))
+
def assert_packet_counter_equal(self, counter, expected_value):
- counter_value = self.get_packet_counter(counter)
- self.assert_equal(counter_value, expected_value,
- "packet counter `%s'" % counter)
+ counter_value = self.get_counter(counter)
+ self.assert_equal(
+ counter_value, expected_value, "packet counter `%s'" % counter
+ )
def assert_error_counter_equal(self, counter, expected_value):
counter_value = self.statistics[counter].sum()
- self.assert_equal(counter_value, expected_value,
- "error counter `%s'" % counter)
+ self.assert_equal(counter_value, expected_value, "error counter `%s'" % counter)
@classmethod
def sleep(cls, timeout, remark=None):
-
# /* Allow sleep(0) to maintain win32 semantics, and as decreed
# * by Guido, only the main thread can be interrupted.
# */
# https://github.com/python/cpython/blob/6673decfa0fb078f60587f5cb5e98460eea137c2/Modules/timemodule.c#L1892 # noqa
if timeout == 0:
# yield quantum
- if hasattr(os, 'sched_yield'):
+ if hasattr(os, "sched_yield"):
os.sched_yield()
else:
time.sleep(0)
time.sleep(timeout)
after = time.time()
if after - before > 2 * timeout:
- cls.logger.error("unexpected self.sleep() result - "
- "slept for %es instead of ~%es!",
- after - before, timeout)
+ cls.logger.error(
+ "unexpected self.sleep() result - slept for %es instead of ~%es!",
+ after - before,
+ timeout,
+ )
cls.logger.debug(
"Finished sleep (%s) - slept %es (wanted %es)",
- remark, after - before, timeout)
+ remark,
+ after - before,
+ timeout,
+ )
+
+ def virtual_sleep(self, timeout, remark=None):
+ self.logger.debug("Moving VPP time by %s (%s)", timeout, remark)
+ self.vapi.cli("set clock adjust %s" % timeout)
def pg_send(self, intf, pkts, worker=None, trace=True):
intf.add_stream(pkts, worker=worker)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start(trace=trace)
- def send_and_assert_no_replies(self, intf, pkts, remark="", timeout=None):
+ def snapshot_stats(self, stats_diff):
+ """Return snapshot of interesting stats based on diff dictionary."""
+ stats_snapshot = {}
+ for sw_if_index in stats_diff:
+ for counter in stats_diff[sw_if_index]:
+ stats_snapshot[counter] = self.statistics[counter]
+ self.logger.debug(f"Took statistics stats_snapshot: {stats_snapshot}")
+ return stats_snapshot
+
+ def compare_stats_with_snapshot(self, stats_diff, stats_snapshot):
+ """Assert appropriate difference between current stats and snapshot."""
+ for sw_if_index in stats_diff:
+ for cntr, diff in stats_diff[sw_if_index].items():
+ if sw_if_index == "err":
+ self.assert_equal(
+ self.statistics[cntr].sum(),
+ stats_snapshot[cntr].sum() + diff,
+ f"'{cntr}' counter value (previous value: "
+ f"{stats_snapshot[cntr].sum()}, "
+ f"expected diff: {diff})",
+ )
+ else:
+ try:
+ self.assert_equal(
+ self.statistics[cntr][:, sw_if_index].sum(),
+ stats_snapshot[cntr][:, sw_if_index].sum() + diff,
+ f"'{cntr}' counter value (previous value: "
+ f"{stats_snapshot[cntr][:, sw_if_index].sum()}, "
+ f"expected diff: {diff})",
+ )
+ except IndexError as e:
+ # if diff is 0, then this most probably a case where
+ # test declares multiple interfaces but traffic hasn't
+ # passed through this one yet - which means the counter
+ # value is 0 and can be ignored
+ if 0 != diff:
+ raise Exception(
+ f"Couldn't sum counter: {cntr} on sw_if_index: {sw_if_index}"
+ ) from e
+
+ def send_and_assert_no_replies(
+ self, intf, pkts, remark="", timeout=None, stats_diff=None, trace=True, msg=None
+ ):
+ if stats_diff:
+ stats_snapshot = self.snapshot_stats(stats_diff)
+
self.pg_send(intf, pkts)
- if not timeout:
- timeout = 1
- for i in self.pg_interfaces:
- i.get_capture(0, timeout=timeout)
- i.assert_nothing_captured(remark=remark)
- timeout = 0.1
- def send_and_expect(self, intf, pkts, output, n_rx=None, worker=None,
- trace=True):
+ try:
+ if not timeout:
+ timeout = 1
+ for i in self.pg_interfaces:
+ i.assert_nothing_captured(timeout=timeout, remark=remark)
+ timeout = 0.1
+ finally:
+ if trace:
+ if msg:
+ self.logger.debug(f"send_and_assert_no_replies: {msg}")
+ self.logger.debug(self.vapi.cli("show trace"))
+
+ if stats_diff:
+ self.compare_stats_with_snapshot(stats_diff, stats_snapshot)
+
+ def send_and_expect(
+ self,
+ intf,
+ pkts,
+ output,
+ n_rx=None,
+ worker=None,
+ trace=True,
+ msg=None,
+ stats_diff=None,
+ ):
+ if stats_diff:
+ stats_snapshot = self.snapshot_stats(stats_diff)
+
if not n_rx:
- n_rx = len(pkts)
+ n_rx = 1 if isinstance(pkts, Packet) else len(pkts)
self.pg_send(intf, pkts, worker=worker, trace=trace)
rx = output.get_capture(n_rx)
+ if trace:
+ if msg:
+ self.logger.debug(f"send_and_expect: {msg}")
+ self.logger.debug(self.vapi.cli("show trace"))
+
+ if stats_diff:
+ self.compare_stats_with_snapshot(stats_diff, stats_snapshot)
+
return rx
- def send_and_expect_only(self, intf, pkts, output, timeout=None):
+ def send_and_expect_load_balancing(
+ self, input, pkts, outputs, worker=None, trace=True
+ ):
+ self.pg_send(input, pkts, worker=worker, trace=trace)
+ rxs = []
+ for oo in outputs:
+ rx = oo._get_capture(1)
+ self.assertNotEqual(0, len(rx))
+ rxs.append(rx)
+ if trace:
+ self.logger.debug(self.vapi.cli("show trace"))
+ return rxs
+
+ def send_and_expect_some(self, intf, pkts, output, worker=None, trace=True):
+ self.pg_send(intf, pkts, worker=worker, trace=trace)
+ rx = output._get_capture(1)
+ if trace:
+ self.logger.debug(self.vapi.cli("show trace"))
+ self.assertTrue(len(rx) > 0)
+ self.assertTrue(len(rx) < len(pkts))
+ return rx
+
+ def send_and_expect_only(self, intf, pkts, output, timeout=None, stats_diff=None):
+ if stats_diff:
+ stats_snapshot = self.snapshot_stats(stats_diff)
+
self.pg_send(intf, pkts)
rx = output.get_capture(len(pkts))
outputs = [output]
timeout = 1
for i in self.pg_interfaces:
if i not in outputs:
- i.get_capture(0, timeout=timeout)
- i.assert_nothing_captured()
+ i.assert_nothing_captured(timeout=timeout)
timeout = 0.1
+ if stats_diff:
+ self.compare_stats_with_snapshot(stats_diff, stats_snapshot)
+
return rx
core_crash_test_cases_info = set()
current_test_case_info = None
- def __init__(self, stream=None, descriptions=None, verbosity=None,
- runner=None):
+ def __init__(self, stream=None, descriptions=None, verbosity=None, runner=None):
"""
:param stream File descriptor to store where to report test results.
Set to the standard error stream by default.
self.stream = stream
self.descriptions = descriptions
self.verbosity = verbosity
+ self.result_code = TestResultCode.TEST_RUN
self.result_string = None
self.runner = runner
self.printed = []
:param test:
"""
- if self.current_test_case_info:
- self.current_test_case_info.logger.debug(
- "--- addSuccess() %s.%s(%s) called" % (test.__class__.__name__,
- test._testMethodName,
- test._testMethodDoc))
+ self.log_result("addSuccess", test)
unittest.TestResult.addSuccess(self, test)
self.result_string = colorize("OK", GREEN)
-
- self.send_result_through_pipe(test, PASS)
+ self.result_code = TestResultCode.PASS
+ self.send_result_through_pipe(test, self.result_code)
+
+ def addExpectedFailure(self, test, err):
+ self.log_result("addExpectedFailure", test, err)
+ super().addExpectedFailure(test, err)
+ self.result_string = colorize("FAIL", GREEN)
+ self.result_code = TestResultCode.EXPECTED_FAIL
+ self.send_result_through_pipe(test, self.result_code)
+
+ def addUnexpectedSuccess(self, test):
+ self.log_result("addUnexpectedSuccess", test)
+ super().addUnexpectedSuccess(test)
+ self.result_string = colorize("OK", RED)
+ self.result_code = TestResultCode.UNEXPECTED_PASS
+ self.send_result_through_pipe(test, self.result_code)
def addSkip(self, test, reason):
"""
:param reason:
"""
- if self.current_test_case_info:
- self.current_test_case_info.logger.debug(
- "--- addSkip() %s.%s(%s) called, reason is %s" %
- (test.__class__.__name__, test._testMethodName,
- test._testMethodDoc, reason))
+ self.log_result("addSkip", test, reason=reason)
unittest.TestResult.addSkip(self, test, reason)
self.result_string = colorize("SKIP", YELLOW)
if reason == "not enough cpus":
- self.send_result_through_pipe(test, SKIP_CPU_SHORTAGE)
+ self.result_code = TestResultCode.SKIP_CPU_SHORTAGE
else:
- self.send_result_through_pipe(test, SKIP)
+ self.result_code = TestResultCode.SKIP
+ self.send_result_through_pipe(test, self.result_code)
def symlink_failed(self):
if self.current_test_case_info:
try:
- failed_dir = os.getenv('FAILED_DIR')
+ failed_dir = config.failed_dir
link_path = os.path.join(
failed_dir,
- '%s-FAILED' %
- os.path.basename(self.current_test_case_info.tempdir))
+ "%s-FAILED" % os.path.basename(self.current_test_case_info.tempdir),
+ )
self.current_test_case_info.logger.debug(
- "creating a link to the failed test")
+ "creating a link to the failed test"
+ )
self.current_test_case_info.logger.debug(
- "os.symlink(%s, %s)" %
- (self.current_test_case_info.tempdir, link_path))
+ "os.symlink(%s, %s)"
+ % (self.current_test_case_info.tempdir, link_path)
+ )
if os.path.exists(link_path):
- self.current_test_case_info.logger.debug(
- 'symlink already exists')
+ self.current_test_case_info.logger.debug("symlink already exists")
else:
os.symlink(self.current_test_case_info.tempdir, link_path)
self.current_test_case_info.logger.error(e)
def send_result_through_pipe(self, test, result):
- if hasattr(self, 'test_framework_result_pipe'):
+ if hasattr(self, "test_framework_result_pipe"):
pipe = self.test_framework_result_pipe
if pipe:
pipe.send((test.id(), result))
- def log_error(self, test, err, fn_name):
+ def log_result(self, fn, test, err=None, reason=None):
if self.current_test_case_info:
if isinstance(test, unittest.suite._ErrorHolder):
test_name = test.description
else:
- test_name = '%s.%s(%s)' % (test.__class__.__name__,
- test._testMethodName,
- test._testMethodDoc)
+ test_name = "%s.%s(%s)" % (
+ test.__class__.__name__,
+ test._testMethodName,
+ test._testMethodDoc,
+ )
+ extra_msg = ""
+ if err:
+ extra_msg += f", error is {err}"
+ if reason:
+ extra_msg += f", reason is {reason}"
self.current_test_case_info.logger.debug(
- "--- %s() %s called, err is %s" %
- (fn_name, test_name, err))
- self.current_test_case_info.logger.debug(
- "formatted exception is:\n%s" %
- "".join(format_exception(*err)))
+ f"--- {fn}() {test_name} called{extra_msg}"
+ )
+ if err:
+ self.current_test_case_info.logger.debug(
+ "formatted exception is:\n%s" % "".join(format_exception(*err))
+ )
- def add_error(self, test, err, unittest_fn, error_type):
- if error_type == FAIL:
- self.log_error(test, err, 'addFailure')
+ def add_error(self, test, err, unittest_fn, result_code):
+ self.result_code = result_code
+ if result_code == TestResultCode.FAIL:
+ self.log_result("addFailure", test, err=err)
error_type_str = colorize("FAIL", RED)
- elif error_type == ERROR:
- self.log_error(test, err, 'addError')
+ elif result_code == TestResultCode.ERROR:
+ self.log_result("addError", test, err=err)
error_type_str = colorize("ERROR", RED)
else:
- raise Exception('Error type %s cannot be used to record an '
- 'error or a failure' % error_type)
+ raise Exception(f"Unexpected result code {result_code}")
unittest_fn(self, test, err)
if self.current_test_case_info:
- self.result_string = "%s [ temp dir used by test case: %s ]" % \
- (error_type_str,
- self.current_test_case_info.tempdir)
+ self.result_string = "%s [ temp dir used by test case: %s ]" % (
+ error_type_str,
+ self.current_test_case_info.tempdir,
+ )
self.symlink_failed()
self.failed_test_cases_info.add(self.current_test_case_info)
if is_core_present(self.current_test_case_info.tempdir):
test_name = str(test)
else:
test_name = "'{!s}' ({!s})".format(
- get_testcase_doc_name(test), test.id())
+ get_testcase_doc_name(test), test.id()
+ )
self.current_test_case_info.core_crash_test = test_name
- self.core_crash_test_cases_info.add(
- self.current_test_case_info)
+ self.core_crash_test_cases_info.add(self.current_test_case_info)
else:
- self.result_string = '%s [no temp dir]' % error_type_str
+ self.result_string = "%s [no temp dir]" % error_type_str
- self.send_result_through_pipe(test, error_type)
+ self.send_result_through_pipe(test, result_code)
def addFailure(self, test, err):
"""
:param err: error message
"""
- self.add_error(test, err, unittest.TestResult.addFailure, FAIL)
+ self.add_error(test, err, unittest.TestResult.addFailure, TestResultCode.FAIL)
def addError(self, test, err):
"""
:param err: error message
"""
- self.add_error(test, err, unittest.TestResult.addError, ERROR)
+ self.add_error(test, err, unittest.TestResult.addError, TestResultCode.ERROR)
def getDescription(self, test):
"""
# This block may overwrite the colorized title above,
# but we want this to stand out and be fixed
if test.has_tag(TestCaseTag.FIXME_VPP_WORKERS):
- test_title = colorize(
- f"FIXME with VPP workers: {test_title}", RED)
+ test_title = colorize(f"FIXME with VPP workers: {test_title}", RED)
+
+ if test.has_tag(TestCaseTag.FIXME_ASAN):
+ test_title = colorize(f"FIXME with ASAN: {test_title}", RED)
+ test.skip_fixme_asan()
+
+ if is_distro_ubuntu2204 == True and test.has_tag(
+ TestCaseTag.FIXME_UBUNTU2204
+ ):
+ test_title = colorize(f"FIXME on Ubuntu-22.04: {test_title}", RED)
+ test.skip_fixme_ubuntu2204()
- if hasattr(test, 'vpp_worker_count'):
+ if is_distro_debian11 == True and test.has_tag(TestCaseTag.FIXME_DEBIAN11):
+ test_title = colorize(f"FIXME on Debian-11: {test_title}", RED)
+ test.skip_fixme_debian11()
+
+ if "debug" in config.vpp_tag and test.has_tag(TestCaseTag.FIXME_VPP_DEBUG):
+ test_title = colorize(f"FIXME on VPP Debug: {test_title}", RED)
+ test.skip_fixme_vpp_debug()
+
+ if hasattr(test, "vpp_worker_count"):
if test.vpp_worker_count == 0:
test_title += " [main thread only]"
elif test.vpp_worker_count == 1:
test_title = colorize(
f"{test_title} [skipped - not enough cpus, "
f"required={test.__class__.get_cpus_required()}, "
- f"available={max_vpp_cpus}]", YELLOW)
+ f"available={max_vpp_cpus}]",
+ YELLOW,
+ )
print(double_line_delim)
print(test_title)
self.start_test = time.time()
unittest.TestResult.startTest(self, test)
if self.verbosity > 0:
- self.stream.writeln(
- "Starting " + self.getDescription(test) + " ...")
+ self.stream.writeln("Starting " + self.getDescription(test) + " ...")
self.stream.writeln(single_line_delim)
def stopTest(self, test):
"""
unittest.TestResult.stopTest(self, test)
+ result_code_to_suffix = {
+ TestResultCode.PASS: "",
+ TestResultCode.FAIL: "",
+ TestResultCode.ERROR: "",
+ TestResultCode.SKIP: "",
+ TestResultCode.TEST_RUN: "",
+ TestResultCode.SKIP_CPU_SHORTAGE: "",
+ TestResultCode.EXPECTED_FAIL: " [EXPECTED FAIL]",
+ TestResultCode.UNEXPECTED_PASS: " [UNEXPECTED PASS]",
+ }
+
if self.verbosity > 0:
self.stream.writeln(single_line_delim)
- self.stream.writeln("%-73s%s" % (self.getDescription(test),
- self.result_string))
+ self.stream.writeln(
+ "%-72s%s%s"
+ % (
+ self.getDescription(test),
+ self.result_string,
+ result_code_to_suffix[self.result_code],
+ )
+ )
self.stream.writeln(single_line_delim)
else:
- self.stream.writeln("%-68s %4.2f %s" %
- (self.getDescription(test),
- time.time() - self.start_test,
- self.result_string))
+ self.stream.writeln(
+ "%-67s %4.2f %s%s"
+ % (
+ self.getDescription(test),
+ time.time() - self.start_test,
+ self.result_string,
+ result_code_to_suffix[self.result_code],
+ )
+ )
- self.send_result_through_pipe(test, TEST_RUN)
+ self.send_result_through_pipe(test, TestResultCode.TEST_RUN)
def printErrors(self):
"""
"""
if len(self.errors) > 0 or len(self.failures) > 0:
self.stream.writeln()
- self.printErrorList('ERROR', self.errors)
- self.printErrorList('FAIL', self.failures)
+ self.printErrorList("ERROR", self.errors)
+ self.printErrorList("FAIL", self.failures)
# ^^ that is the last output from unittest before summary
if not self.runner.print_summary:
- devnull = unittest.runner._WritelnDecorator(open(os.devnull, 'w'))
+ devnull = unittest.runner._WritelnDecorator(open(os.devnull, "w"))
self.stream = devnull
self.runner.stream = devnull
"""
for test, err in errors:
self.stream.writeln(double_line_delim)
- self.stream.writeln("%s: %s" %
- (flavour, self.getDescription(test)))
+ self.stream.writeln("%s: %s" % (flavour, self.getDescription(test)))
self.stream.writeln(single_line_delim)
self.stream.writeln("%s" % err)
"""Class maintaining the results of the tests"""
return VppTestResult
- def __init__(self, keep_alive_pipe=None, descriptions=True, verbosity=1,
- result_pipe=None, failfast=False, buffer=False,
- resultclass=None, print_summary=True, **kwargs):
+ def __init__(
+ self,
+ keep_alive_pipe=None,
+ descriptions=True,
+ verbosity=1,
+ result_pipe=None,
+ failfast=False,
+ buffer=False,
+ resultclass=None,
+ print_summary=True,
+ **kwargs,
+ ):
# 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, **kwargs)
+ super(VppTestRunner, self).__init__(
+ sys.stdout, descriptions, verbosity, failfast, buffer, resultclass, **kwargs
+ )
KeepAliveReporter.pipe = keep_alive_pipe
self.orig_stream = self.stream
self.print_summary = print_summary
def _makeResult(self):
- return self.resultclass(self.stream,
- self.descriptions,
- self.verbosity,
- self)
+ return self.resultclass(self.stream, self.descriptions, self.verbosity, self)
def run(self, test):
"""
super(Worker, self).__init__(*args, **kwargs)
self.logger = logger
self.args = executable_args
- if hasattr(self, 'testcase') and self.testcase.debug_all:
+ if hasattr(self, "testcase") and self.testcase.debug_all:
if self.testcase.debug_gdbserver:
- self.args = ['/usr/bin/gdbserver', 'localhost:{port}'
- .format(port=self.testcase.gdbserver_port)] + args
- elif self.testcase.debug_gdb and hasattr(self, 'wait_for_gdb'):
+ self.args = [
+ "/usr/bin/gdbserver",
+ "localhost:{port}".format(port=self.testcase.gdbserver_port),
+ ] + args
+ elif self.testcase.debug_gdb and hasattr(self, "wait_for_gdb"):
self.args.append(self.wait_for_gdb)
self.app_bin = executable_args[0]
self.app_name = os.path.basename(self.app_bin)
- if hasattr(self, 'role'):
- self.app_name += ' {role}'.format(role=self.role)
+ if hasattr(self, "role"):
+ self.app_name += " {role}".format(role=self.role)
self.process = None
self.result = None
env = {} if env is None else env
self.env = copy.deepcopy(env)
def wait_for_enter(self):
- if not hasattr(self, 'testcase'):
+ if not hasattr(self, "testcase"):
return
if self.testcase.debug_all and self.testcase.debug_gdbserver:
print()
print(double_line_delim)
- print("Spawned GDB Server for '{app}' with PID: {pid}"
- .format(app=self.app_name, pid=self.process.pid))
+ print(
+ "Spawned GDB Server for '{app}' with PID: {pid}".format(
+ app=self.app_name, pid=self.process.pid
+ )
+ )
elif self.testcase.debug_all and self.testcase.debug_gdb:
print()
print(double_line_delim)
- print("Spawned '{app}' with PID: {pid}"
- .format(app=self.app_name, pid=self.process.pid))
+ print(
+ "Spawned '{app}' with PID: {pid}".format(
+ app=self.app_name, pid=self.process.pid
+ )
+ )
else:
return
print(single_line_delim)
print("You can debug '{app}' using:".format(app=self.app_name))
if self.testcase.debug_gdbserver:
- print("sudo gdb " + self.app_bin +
- " -ex 'target remote localhost:{port}'"
- .format(port=self.testcase.gdbserver_port))
- print("Now is the time to attach gdb by running the above "
- "command, set up breakpoints etc., then resume from "
- "within gdb by issuing the 'continue' command")
+ print(
+ "sudo gdb "
+ + self.app_bin
+ + " -ex 'target remote localhost:{port}'".format(
+ port=self.testcase.gdbserver_port
+ )
+ )
+ print(
+ "Now is the time to attach gdb by running the above "
+ "command, set up breakpoints etc., then resume from "
+ "within gdb by issuing the 'continue' command"
+ )
self.testcase.gdbserver_port += 1
elif self.testcase.debug_gdb:
- print("sudo gdb " + self.app_bin +
- " -ex 'attach {pid}'".format(pid=self.process.pid))
- print("Now is the time to attach gdb by running the above "
- "command and set up breakpoints etc., then resume from"
- " within gdb by issuing the 'continue' command")
+ print(
+ "sudo gdb "
+ + self.app_bin
+ + " -ex 'attach {pid}'".format(pid=self.process.pid)
+ )
+ print(
+ "Now is the time to attach gdb by running the above "
+ "command and set up breakpoints etc., then resume from"
+ " within gdb by issuing the 'continue' command"
+ )
print(single_line_delim)
input("Press ENTER to continue running the testcase...")
def run(self):
executable = self.args[0]
if not os.path.exists(executable) or not os.access(
- executable, os.F_OK | os.X_OK):
+ executable, os.F_OK | os.X_OK
+ ):
# Exit code that means some system file did not exist,
# could not be opened, or had some other kind of error.
self.result = os.EX_OSFILE
raise EnvironmentError(
- "executable '%s' is not found or executable." % executable)
- self.logger.debug("Running executable '{app}': '{cmd}'"
- .format(app=self.app_name,
- cmd=' '.join(self.args)))
+ "executable '%s' is not found or executable." % executable
+ )
+ self.logger.debug(
+ "Running executable '{app}': '{cmd}'".format(
+ app=self.app_name, cmd=" ".join(self.args)
+ )
+ )
env = os.environ.copy()
env.update(self.env)
env["CK_LOG_FILE_NAME"] = "-"
self.process = subprocess.Popen(
- ['stdbuf', '-o0', '-e0'] + self.args, shell=False, env=env,
- preexec_fn=os.setpgrp, stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
+ ["stdbuf", "-o0", "-e0"] + self.args,
+ shell=False,
+ env=env,
+ preexec_fn=os.setpgrp,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ )
self.wait_for_enter()
out, err = self.process.communicate()
self.logger.debug("Finished running `{app}'".format(app=self.app_name))
self.logger.info("Return code is `%s'" % self.process.returncode)
self.logger.info(single_line_delim)
- self.logger.info("Executable `{app}' wrote to stdout:"
- .format(app=self.app_name))
+ self.logger.info(
+ "Executable `{app}' wrote to stdout:".format(app=self.app_name)
+ )
self.logger.info(single_line_delim)
- self.logger.info(out.decode('utf-8'))
+ self.logger.info(out.decode("utf-8"))
self.logger.info(single_line_delim)
- self.logger.info("Executable `{app}' wrote to stderr:"
- .format(app=self.app_name))
+ self.logger.info(
+ "Executable `{app}' wrote to stderr:".format(app=self.app_name)
+ )
self.logger.info(single_line_delim)
- self.logger.info(err.decode('utf-8'))
+ self.logger.info(err.decode("utf-8"))
self.logger.info(single_line_delim)
self.result = self.process.returncode
-if __name__ == '__main__':
+if __name__ == "__main__":
pass