tools/tesh/tesh.py

   1 #! @PYTHON_EXECUTABLE@
   2 # -*- coding: utf-8 -*-
   3 """
   4
   5 tesh -- testing shell
   6 ========================
   7
   8 Copyright (c) 2012-2019. The SimGrid Team. All rights reserved.
   9
  10 This program is free software; you can redistribute it and/or modify it
  11 under the terms of the license (GNU LGPL) which comes with this package.
  12
  13
  14 #TODO: child of child of child that printfs. Does it work?
  15 #TODO: a child dies after its parent. What happen?
  16
  17 #TODO: regular expression in output
  18 #ex: >> Time taken: [0-9]+s
  19 #TODO: linked regular expression in output
  20 #ex:
  21 # >> Bytes sent: ([0-9]+)
  22 # >> Bytes recv: \1
  23 # then, even better:
  24 # ! expect (\1 > 500)
  25
  26 """
  27
  28
  29 import sys
  30 import os
  31 import shlex
  32 import re
  33 import difflib
  34 import signal
  35 import argparse
  36 import time
  37
  38 if sys.version_info[0] == 3:
  39     import subprocess
  40     import _thread
  41 else:
  42     raise "This program is expected to run with Python3 only"
  43
  44 ##############
  45 #
  46 # Utilities
  47 #
  48 #
  49
  50
  51 def isWindows():
  52     return sys.platform.startswith('win')
  53
  54 # Singleton metaclass that works in Python 2 & 3
  55 # http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python
  56
  57
  58 class _Singleton(type):
  59     """ A metaclass that creates a Singleton base class when called. """
  60     _instances = {}
  61
  62     def __call__(cls, *args, **kwargs):
  63         if cls not in cls._instances:
  64             cls._instances[cls] = super(_Singleton, cls).__call__(*args, **kwargs)
  65         return cls._instances[cls]
  66
  67
  68 class Singleton(_Singleton('SingletonMeta', (object,), {})):
  69     pass
  70
  71
  72 SIGNALS_TO_NAMES_DICT = dict((getattr(signal, n), n)
  73                              for n in dir(signal) if n.startswith('SIG') and '_' not in n)
  74
  75 return_code = 0
  76
  77 # exit correctly
  78 def tesh_exit(errcode):
  79     # If you do not flush some prints are skipped
  80     sys.stdout.flush()
  81     # os._exit exit even when executed within a thread
  82     os._exit(errcode)
  83
  84
  85 def fatal_error(msg):
  86     print("[Tesh/CRITICAL] " + str(msg))
  87     tesh_exit(1)
  88
  89
  90 # Set an environment variable.
  91 # arg must be a string with the format "variable=value"
  92 def setenv(arg):
  93     print("[Tesh/INFO] setenv " + arg)
  94     t = arg.split("=", 1)
  95     os.environ[t[0]] = t[1]
  96     # os.putenv(t[0], t[1]) does not work
  97     # see http://stackoverflow.com/questions/17705419/python-os-environ-os-putenv-usr-bin-env
  98
  99
 100 # http://stackoverflow.com/questions/30734967/how-to-expand-environment-variables-in-python-as-bash-does
 101 def expandvars2(path):
 102     return re.sub(r'(?<!\\)\$[A-Za-z_][A-Za-z0-9_]*', '', os.path.expandvars(path))
 103
 104
 105 # https://github.com/Cadair/jupyter_environment_kernels/issues/10
 106 try:
 107     FileNotFoundError
 108 except NameError:
 109     # py2
 110     FileNotFoundError = OSError
 111
 112 ##############
 113 #
 114 # Cleanup on signal
 115 #
 116 #
 117
 118 # Global variable. Stores which process group should be killed (or None otherwise)
 119 running_pids = list()
 120
 121 # Tests whether the process is dead already
 122 def process_is_dead(pid):
 123     try:
 124         os.kill(pid, 0)
 125     except ProcessLookupError:
 126         return True
 127     except OSError as err:
 128         if err.errno == errno.ESRCH: # ESRCH == No such process. The process is now dead
 129             return True
 130     return False
 131
 132 # This function send TERM signal + KILL signal after 0.2s to the group of the specified process
 133 def kill_process_group(pid):
 134     if pid is None:  # Nobody to kill. We don't know who to kill on windows, or we don't have anyone to kill on signal handler
 135         return
 136
 137     try:
 138         pgid = os.getpgid(pid)
 139     except:
 140         # os.getpgid failed. Ok, don't cleanup.
 141         return
 142
 143     try:
 144         os.killpg(pgid, signal.SIGTERM)
 145         if process_is_dead(pid):
 146             return
 147         time.sleep(0.2)
 148         os.killpg(pgid, signal.SIGKILL)
 149     except OSError:
 150         # os.killpg failed. OK. Some subprocesses may still be running.
 151         pass
 152
 153 def signal_handler(signal, frame):
 154     print("Caught signal {}".format(SIGNALS_TO_NAMES_DICT[signal]))
 155     global running_pids
 156     running_pids_copy = running_pids # Just in case of interthread conflicts.
 157     for pid in running_pids_copy:
 158         kill_process_group(pid)
 159     running_pids.clear()
 160     tesh_exit(5)
 161
 162
 163 ##############
 164 #
 165 # Classes
 166 #
 167 #
 168
 169
 170 # read file line per line (and concat line that ends with "\")
 171 class FileReader(Singleton):
 172     def __init__(self, filename=None):
 173         if filename is None:
 174             self.filename = "(stdin)"
 175             self.f = sys.stdin
 176         else:
 177             self.filename_raw = filename
 178             self.filename = os.path.basename(filename)
 179             self.abspath = os.path.abspath(filename)
 180             self.f = open(self.filename_raw)
 181
 182         self.linenumber = 0
 183
 184     def __repr__(self):
 185         return self.filename + ":" + str(self.linenumber)
 186
 187     def readfullline(self):
 188         try:
 189             line = next(self.f)
 190             self.linenumber += 1
 191         except StopIteration:
 192             return None
 193         if line[-1] == "\n":
 194             txt = line[0:-1]
 195         else:
 196             txt = line
 197         while len(line) > 1 and line[-2] == "\\":
 198             txt = txt[0:-1]
 199             line = next(self.f)
 200             self.linenumber += 1
 201             txt += line[0:-1]
 202         return txt
 203
 204
 205 # keep the state of tesh (mostly configuration values)
 206 class TeshState(Singleton):
 207     def __init__(self):
 208         self.threads = []
 209         self.args_suffix = ""
 210         self.ignore_regexps_common = []
 211         self.jenkins = False  # not a Jenkins run by default
 212         self.timeout = 10  # default value: 10 sec
 213         self.wrapper = None
 214         self.keep = False
 215
 216     def add_thread(self, thread):
 217         self.threads.append(thread)
 218
 219     def join_all_threads(self):
 220         for t in self.threads:
 221             t.acquire()
 222             t.release()
 223
 224 # Command line object
 225
 226
 227 class Cmd(object):
 228     def __init__(self):
 229         self.input_pipe = []
 230         self.output_pipe_stdout = []
 231         self.output_pipe_stderr = []
 232         self.timeout = TeshState().timeout
 233         self.args = None
 234         self.linenumber = -1
 235
 236         self.background = False
 237         # Python threads loose the cwd
 238         self.cwd = os.getcwd()
 239
 240         self.ignore_output = False
 241         self.expect_return = 0
 242
 243         self.output_display = False
 244
 245         self.sort = -1
 246
 247         self.ignore_regexps = TeshState().ignore_regexps_common
 248
 249     def add_input_pipe(self, l):
 250         self.input_pipe.append(l)
 251
 252     def add_output_pipe_stdout(self, l):
 253         self.output_pipe_stdout.append(l)
 254
 255     def add_output_pipe_stderr(self, l):
 256         self.output_pipe_stderr.append(l)
 257
 258     def set_cmd(self, args, linenumber):
 259         self.args = args
 260         self.linenumber = linenumber
 261
 262     def add_ignore(self, txt):
 263         self.ignore_regexps.append(re.compile(txt))
 264
 265     def remove_ignored_lines(self, lines):
 266         for ign in self.ignore_regexps:
 267             lines = [l for l in lines if not ign.match(l)]
 268         return lines
 269
 270     def _cmd_mkfile(self, argline):
 271         filename = argline[len("mkfile "):]
 272         file = open(filename, "w")
 273         if file is None:
 274             fatal_error("Unable to create file " + filename)
 275         file.write("\n".join(self.input_pipe))
 276         file.write("\n")
 277         file.close()
 278
 279     def _cmd_cd(self, argline):
 280         args = shlex.split(argline)
 281         if len(args) != 2:
 282             fatal_error("Too many arguments to cd")
 283         try:
 284             os.chdir(args[1])
 285             print("[Tesh/INFO] change directory to " + args[1])
 286         except FileNotFoundError:
 287             print("Chdir to " + args[1] + " failed: No such file or directory")
 288             print("Test suite `" + FileReader().filename + "': NOK (system error)")
 289             tesh_exit(4)
 290
 291     # Run the Cmd if possible.
 292     # Return False if nothing has been ran.
 293
 294     def run_if_possible(self):
 295         if self.can_run():
 296             if self.background:
 297                 lock = _thread.allocate_lock()
 298                 lock.acquire()
 299                 TeshState().add_thread(lock)
 300                 _thread.start_new_thread(Cmd._run, (self, lock))
 301             else:
 302                 self._run()
 303             return True
 304         else:
 305             return False
 306
 307     def _run(self, lock=None):
 308         # Python threads loose the cwd
 309         os.chdir(self.cwd)
 310
 311         # retrocompatibility: support ${aaa:=.} variable format
 312         def replace_perl_variables(m):
 313             vname = m.group(1)
 314             vdefault = m.group(2)
 315             if vname in os.environ:
 316                 return "$" + vname
 317             else:
 318                 return vdefault
 319         self.args = re.sub(r"\${(\w+):=([^}]*)}", replace_perl_variables, self.args)
 320
 321         # replace bash environment variables ($THINGS) to their values
 322         self.args = expandvars2(self.args)
 323
 324         if re.match("^mkfile ", self.args) is not None:
 325             self._cmd_mkfile(self.args)
 326             if lock is not None:
 327                 lock.release()
 328             return
 329
 330         if re.match("^cd ", self.args) is not None:
 331             self._cmd_cd(self.args)
 332             if lock is not None:
 333                 lock.release()
 334             return
 335
 336         if TeshState().wrapper is not None:
 337             self.timeout *= 20
 338             self.args = TeshState().wrapper + self.args
 339         elif re.match(".*smpirun.*", self.args) is not None:
 340             self.args = "sh " + self.args
 341         if TeshState().jenkins and self.timeout is not None:
 342             self.timeout *= 10
 343
 344         self.args += TeshState().args_suffix
 345
 346         logs = list()
 347         logs.append("[{file}:{number}] {args}".format(file=FileReader().filename,
 348             number=self.linenumber, args=self.args))
 349
 350         args = shlex.split(self.args)
 351
 352         global running_pids
 353         local_pid = None
 354         global return_code
 355
 356         try:
 357             preexec_function = None
 358             if not isWindows():
 359                 preexec_function = lambda: os.setpgid(0, 0)
 360             proc = subprocess.Popen(
 361                 args,
 362                 bufsize=1,
 363                 stdin=subprocess.PIPE,
 364                 stdout=subprocess.PIPE,
 365                 stderr=subprocess.STDOUT,
 366                 universal_newlines=True,
 367                 preexec_fn=preexec_function)
 368             if not isWindows():
 369                 local_pid = proc.pid
 370                 running_pids.append(local_pid)
 371         except PermissionError:
 372             logs.append("[{file}:{number}] Cannot start '{cmd}': The binary is not executable.".format(
 373                 file=FileReader().filename, number=self.linenumber, cmd=args[0]))
 374             logs.append("[{file}:{number}] Current dir: {dir}".format(file=FileReader().filename,
 375                 number=self.linenumber, dir=os.getcwd()))
 376             return_code = max(3, return_code)
 377             print('\n'.join(logs))
 378             return
 379         except NotADirectoryError:
 380             logs.append("[{file}:{number}] Cannot start '{cmd}': The path to binary does not exist.".format(
 381                 file=FileReader().filename, number=self.linenumber, cmd=args[0]))
 382             logs.append("[{file}:{number}] Current dir: {dir}".format(file=FileReader().filename,
 383                 number=self.linenumber, dir=os.getcwd()))
 384             return_code = max(3, return_code)
 385             print('\n'.join(logs))
 386             return
 387         except FileNotFoundError:
 388             logs.append("[{file}:{number}] Cannot start '{cmd}': File not found.".format(
 389                 file=FileReader().filename, number=self.linenumber, cmd=args[0]))
 390             return_code = max(3, return_code)
 391             print('\n'.join(logs))
 392             return
 393         except OSError as osE:
 394             if osE.errno == 8:
 395                 osE.strerror += "\nOSError: [Errno 8] Executed scripts should start with shebang line (like #!/usr/bin/env sh)"
 396             raise osE
 397
 398         cmdName = FileReader().filename + ":" + str(self.linenumber)
 399         try:
 400             (stdout_data, stderr_data) = proc.communicate("\n".join(self.input_pipe), self.timeout)
 401             local_pid = None
 402             timeout_reached = False
 403         except subprocess.TimeoutExpired:
 404             timeout_reached = True
 405             logs.append("Test suite `{file}': NOK (<{cmd}> timeout after {timeout} sec)".format(
 406                 file=FileReader().filename, cmd=cmdName, timeout=self.timeout))
 407             running_pids.remove(local_pid)
 408             kill_process_group(local_pid)
 409             # Try to get the output of the timeout process, to help in debugging.
 410             try:
 411                 (stdout_data, stderr_data) = proc.communicate(timeout=1)
 412             except subprocess.TimeoutExpired:
 413                 logs.append("[{file}:{number}] Could not retrieve output. Killing the process group failed?".format(
 414                     file=FileReader().filename, number=self.linenumber))
 415                 return_code = max(3, return_code)
 416                 print('\n'.join(logs))
 417                 return
 418
 419         if self.output_display:
 420             logs.append(str(stdout_data))
 421
 422         # remove text colors
 423         ansi_escape = re.compile(r'\x1b[^m]*m')
 424         stdout_data = ansi_escape.sub('', stdout_data)
 425
 426         if self.ignore_output:
 427             logs.append("(ignoring the output of <{cmd}> as requested)".format(cmd=cmdName))
 428         else:
 429             stdouta = stdout_data.split("\n")
 430             while len(stdouta) > 0 and stdouta[-1] == "":
 431                 del stdouta[-1]
 432             stdouta = self.remove_ignored_lines(stdouta)
 433             stdcpy = stdouta[:]
 434
 435             # Mimic the "sort" bash command, which is case unsensitive.
 436             if self.sort == 0:
 437                 stdouta.sort(key=lambda x: x.lower())
 438                 self.output_pipe_stdout.sort(key=lambda x: x.lower())
 439             elif self.sort > 0:
 440                 stdouta.sort(key=lambda x: x[:self.sort].lower())
 441                 self.output_pipe_stdout.sort(key=lambda x: x[:self.sort].lower())
 442
 443             diff = list(
 444                 difflib.unified_diff(
 445                     self.output_pipe_stdout,
 446                     stdouta,
 447                     lineterm="",
 448                     fromfile='expected',
 449                     tofile='obtained'))
 450             if len(diff) > 0:
 451                 logs.append("Output of <{cmd}> mismatch:".format(cmd=cmdName))
 452                 if self.sort >= 0:  # If sorted, truncate the diff output and show the unsorted version
 453                     difflen = 0
 454                     for line in diff:
 455                         if difflen < 50:
 456                             print(line)
 457                         difflen += 1
 458                     if difflen > 50:
 459                         logs.append("(diff truncated after 50 lines)")
 460                     logs.append("Unsorted observed output:\n")
 461                     for line in stdcpy:
 462                         logs.append(line)
 463                 else:  # If not sorted, just display the diff
 464                     for line in diff:
 465                         logs.append(line)
 466
 467                 logs.append("Test suite `{file}': NOK (<{cmd}> output mismatch)".format(
 468                     file=FileReader().filename, cmd=cmdName))
 469                 if lock is not None:
 470                     lock.release()
 471                 if TeshState().keep:
 472                     f = open('obtained', 'w')
 473                     obtained = stdout_data.split("\n")
 474                     while len(obtained) > 0 and obtained[-1] == "":
 475                         del obtained[-1]
 476                     obtained = self.remove_ignored_lines(obtained)
 477                     for line in obtained:
 478                         f.write("> " + line + "\n")
 479                     f.close()
 480                     logs.append("Obtained output kept as requested: {path}".format(path=os.path.abspath("obtained")))
 481                 return_code = max(2, return_code)
 482                 print('\n'.join(logs))
 483                 return
 484
 485         if timeout_reached:
 486             return_code = max(3, return_code)
 487             print('\n'.join(logs))
 488             return
 489
 490         if proc.returncode != self.expect_return:
 491             if proc.returncode >= 0:
 492                 logs.append("Test suite `{file}': NOK (<{cmd}> returned code {code})".format(
 493                     file=FileReader().filename, cmd=cmdName, code=proc.returncode))
 494                 if lock is not None:
 495                     lock.release()
 496                 return_code = max(2, return_code)
 497                 print('\n'.join(logs))
 498                 return
 499             else:
 500                 logs.append("Test suite `{file}': NOK (<{cmd}> got signal {sig})".format(
 501                     file=FileReader().filename, cmd=cmdName,
 502                     sig=SIGNALS_TO_NAMES_DICT[-proc.returncode]))
 503                 if lock is not None:
 504                     lock.release()
 505                 return_code = max(max(-proc.returncode, 1), return_code)
 506                 print('\n'.join(logs))
 507                 return
 508
 509         if lock is not None:
 510             lock.release()
 511
 512         print('\n'.join(logs))
 513
 514     def can_run(self):
 515         return self.args is not None
 516
 517
 518 ##############
 519 #
 520 # Main
 521 #
 522 #
 523
 524
 525 if __name__ == '__main__':
 526     signal.signal(signal.SIGINT, signal_handler)
 527     signal.signal(signal.SIGTERM, signal_handler)
 528
 529     parser = argparse.ArgumentParser(description='tesh -- testing shell')
 530     group1 = parser.add_argument_group('Options')
 531     group1.add_argument('teshfile', nargs='?', help='Name of teshfile, stdin if omitted')
 532     group1.add_argument(
 533         '--cd',
 534         metavar='some/directory',
 535         help='ask tesh to switch the working directory before launching the tests')
 536     group1.add_argument('--setenv', metavar='var=value', action='append', help='set a specific environment variable')
 537     group1.add_argument('--cfg', metavar='arg', action='append', help='add parameter --cfg=arg to each command line')
 538     group1.add_argument('--log', metavar='arg', action='append', help='add parameter --log=arg to each command line')
 539     group1.add_argument(
 540         '--ignore-jenkins',
 541         action='store_true',
 542         help='ignore all cruft generated on SimGrid continous integration servers')
 543     group1.add_argument('--wrapper', metavar='arg', help='Run each command in the provided wrapper (eg valgrind)')
 544     group1.add_argument(
 545         '--keep',
 546         action='store_true',
 547         help='Keep the obtained output when it does not match the expected one')
 548
 549     options = parser.parse_args()
 550
 551     if options.cd is not None:
 552         print("[Tesh/INFO] change directory to " + options.cd)
 553         os.chdir(options.cd)
 554
 555     if options.ignore_jenkins:
 556         print("Ignore all cruft seen on SimGrid's continous integration servers")
 557         # Note: regexps should match at the beginning of lines
 558         TeshState().ignore_regexps_common = [
 559             re.compile(r"profiling:"),
 560             re.compile(r"Unable to clean temporary file C:"),
 561             re.compile(r".*Configuration change: Set 'contexts/"),
 562             re.compile(r"Picked up JAVA_TOOL_OPTIONS: "),
 563             re.compile(r"Picked up _JAVA_OPTIONS: "),
 564             re.compile(r"==[0-9]+== ?WARNING: ASan doesn't fully support"),
 565             re.compile(r"==[0-9]+== ?WARNING: ASan is ignoring requested __asan_handle_no_return: stack top:"),
 566             re.compile(r"False positive error reports may follow"),
 567             re.compile(r"For details see http://code.google.com/p/address-sanitizer/issues/detail\?id=189"),
 568             re.compile(r"For details see https://github.com/google/sanitizers/issues/189"),
 569             re.compile(r"Python runtime initialized with LC_CTYPE=C .*"),
 570             # Seen on CircleCI
 571             re.compile(r"cmake: /usr/local/lib/libcurl\.so\.4: no version information available \(required by cmake\)"),
 572             re.compile(r".*mmap broken on FreeBSD, but dlopen\+thread broken too. Switching to dlopen\+raw contexts\."),
 573             re.compile(r".*dlopen\+thread broken on Apple and BSD\. Switching to raw contexts\."),
 574         ]
 575         TeshState().jenkins = True  # This is a Jenkins build
 576
 577     if options.teshfile is None:
 578         f = FileReader(None)
 579         print("Test suite from stdin")
 580     else:
 581         if not os.path.isfile(options.teshfile):
 582             print("Cannot open teshfile '" + options.teshfile + "': File not found")
 583             tesh_exit(3)
 584         f = FileReader(options.teshfile)
 585         print("Test suite '" + f.abspath + "'")
 586
 587     if options.setenv is not None:
 588         for e in options.setenv:
 589             setenv(e)
 590
 591     if options.cfg is not None:
 592         for c in options.cfg:
 593             TeshState().args_suffix += " --cfg=" + c
 594     if options.log is not None:
 595         for l in options.log:
 596             TeshState().args_suffix += " --log=" + l
 597
 598     if options.wrapper is not None:
 599         TeshState().wrapper = options.wrapper
 600
 601     if options.keep:
 602         TeshState().keep = True
 603
 604     # cmd holds the current command line
 605     # tech commands will add some parameters to it
 606     # when ready, we execute it.
 607     cmd = Cmd()
 608
 609     line = f.readfullline()
 610     while line is not None:
 611         # print(">>============="+line+"==<<")
 612         if len(line) == 0:
 613             #print ("END CMD block")
 614             if cmd.run_if_possible():
 615                 cmd = Cmd()
 616
 617         elif line[0] == "#":
 618             pass
 619
 620         elif line[0:2] == "p ":
 621             print("[" + str(FileReader()) + "] " + line[2:])
 622
 623         elif line[0:2] == "< ":
 624             cmd.add_input_pipe(line[2:])
 625         elif line[0:1] == "<":
 626             cmd.add_input_pipe(line[1:])
 627
 628         elif line[0:2] == "> ":
 629             cmd.add_output_pipe_stdout(line[2:])
 630         elif line[0:1] == ">":
 631             cmd.add_output_pipe_stdout(line[1:])
 632
 633         elif line[0:2] == "$ ":
 634             if cmd.run_if_possible():
 635                 cmd = Cmd()
 636             cmd.set_cmd(line[2:], f.linenumber)
 637
 638         elif line[0:2] == "& ":
 639             if cmd.run_if_possible():
 640                 cmd = Cmd()
 641             cmd.set_cmd(line[2:], f.linenumber)
 642             cmd.background = True
 643
 644         elif line[0:15] == "! output ignore":
 645             cmd.ignore_output = True
 646             #print("cmd.ignore_output = True")
 647         elif line[0:16] == "! output display":
 648             cmd.output_display = True
 649             cmd.ignore_output = True
 650         elif line[0:15] == "! expect return":
 651             cmd.expect_return = int(line[16:])
 652             #print("expect return "+str(int(line[16:])))
 653         elif line[0:15] == "! expect signal":
 654             sig = line[16:]
 655             # get the signal integer value from the signal module
 656             if sig not in signal.__dict__:
 657                 fatal_error("unrecognized signal '" + sig + "'")
 658             sig = int(signal.__dict__[sig])
 659             # popen return -signal when a process ends with a signal
 660             cmd.expect_return = -sig
 661         elif line[0:len("! timeout ")] == "! timeout ":
 662             if "no" in line[len("! timeout "):]:
 663                 cmd.timeout = None
 664             else:
 665                 cmd.timeout = int(line[len("! timeout "):])
 666
 667         elif line[0:len("! output sort")] == "! output sort":
 668             if len(line) >= len("! output sort "):
 669                 sort = int(line[len("! output sort "):])
 670             else:
 671                 sort = 0
 672             cmd.sort = sort
 673         elif line[0:len("! setenv ")] == "! setenv ":
 674             setenv(line[len("! setenv "):])
 675
 676         elif line[0:len("! ignore ")] == "! ignore ":
 677             cmd.add_ignore(line[len("! ignore "):])
 678
 679         else:
 680             fatal_error("UNRECOGNIZED OPTION")
 681
 682         line = f.readfullline()
 683
 684     cmd.run_if_possible()
 685
 686     TeshState().join_all_threads()
 687
 688     if return_code == 0:
 689         if f.filename == "(stdin)":
 690             print("Test suite from stdin OK")
 691         else:
 692             print("Test suite `" + f.filename + "' OK")
 693     else:
 694         tesh_exit(return_code)