2 # -*- coding: utf-8 -*-
6 ========================
8 Copyright (c) 2012-2017. The SimGrid Team. All rights reserved.
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.
14 #TODO: child of child of child that printfs. Does it work?
15 #TODO: a child dies after its parent. What happen?
17 #TODO: regular expression in output
18 #ex: >> Time taken: [0-9]+s
19 #TODO: linked regular expression in output
21 # >> Bytes sent: ([0-9]+)
26 # TODO: If the output is sorted, we should report it to the users. Corresponding perl chunk
27 # print "WARNING: Both the observed output and expected output were sorted as requested.\n";
28 # print "WARNING: Output were only sorted using the $sort_prefix first chars.\n"
29 # if ( $sort_prefix > 0 );
30 # print "WARNING: Use <! output sort 19> to sort by simulated date and process ID only.\n";
32 # print "----8<--------------- Begin of unprocessed observed output (as it should appear in file):\n";
33 # map {print "> $_\n"} @{$cmd{'unsorted got'}};
34 # print "--------------->8---- End of the unprocessed observed output.\n";
47 if sys.version_info[0] == 3:
51 raise "This program is expected to run with Python3 only"
62 # Singleton metaclass that works in Python 2 & 3
63 # http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python
64 class _Singleton(type):
65 """ A metaclass that creates a Singleton base class when called. """
67 def __call__(cls, *args, **kwargs):
68 if cls not in cls._instances:
69 cls._instances[cls] = super(_Singleton, cls).__call__(*args, **kwargs)
70 return cls._instances[cls]
71 class Singleton(_Singleton('SingletonMeta', (object,), {})): pass
73 SIGNALS_TO_NAMES_DICT = dict((getattr(signal, n), n) \
74 for n in dir(signal) if n.startswith('SIG') and '_' not in n )
80 #If you do not flush some prints are skipped
82 #os._exit exit even when executed within a thread
87 print("[Tesh/CRITICAL] "+str(msg))
91 #Set an environment variable.
92 # arg must be a string with the format "variable=value"
94 print("[Tesh/INFO] setenv "+arg)
96 os.environ[t[0]] = t[1]
97 #os.putenv(t[0], t[1]) does not work
98 #see http://stackoverflow.com/questions/17705419/python-os-environ-os-putenv-usr-bin-env
101 #http://stackoverflow.com/questions/30734967/how-to-expand-environment-variables-in-python-as-bash-does
102 def expandvars2(path):
103 return re.sub(r'(?<!\\)\$[A-Za-z_][A-Za-z0-9_]*', '', os.path.expandvars(path))
105 # https://github.com/Cadair/jupyter_environment_kernels/issues/10
110 FileNotFoundError = OSError
121 # read file line per line (and concat line that ends with "\")
122 class FileReader(Singleton):
123 def __init__(self, filename):
125 self.filename = "(stdin)"
128 self.filename_raw = filename
129 self.filename = os.path.basename(filename)
130 self.abspath = os.path.abspath(filename)
131 self.f = open(self.filename_raw)
135 def linenumber(self):
136 return self.linenumber
139 return self.filename+":"+str(self.linenumber)
141 def readfullline(self):
145 except StopIteration:
151 while len(line) > 1 and line[-2] == "\\":
159 #keep the state of tesh (mostly configuration values)
160 class TeshState(Singleton):
163 self.args_suffix = ""
164 self.ignore_regexps_common = []
168 def add_thread(self, thread):
169 self.threads.append(thread)
171 def join_all_threads(self):
172 for t in self.threads:
180 self.output_pipe_stdout = []
181 self.output_pipe_stderr = []
186 self.background = False
189 self.ignore_output = False
190 self.expect_return = 0
192 self.output_display = False
196 self.ignore_regexps = TeshState().ignore_regexps_common
198 def add_input_pipe(self, l):
199 self.input_pipe.append(l)
201 def add_output_pipe_stdout(self, l):
202 self.output_pipe_stdout.append(l)
204 def add_output_pipe_stderr(self, l):
205 self.output_pipe_stderr.append(l)
207 def set_cmd(self, args, linenumber):
209 self.linenumber = linenumber
211 def add_ignore(self, txt):
212 self.ignore_regexps.append(re.compile(txt))
214 def remove_ignored_lines(self, lines):
215 for ign in self.ignore_regexps:
216 lines = [l for l in lines if not ign.match(l)]
220 def _cmd_mkfile(self, argline):
221 filename = argline[len("mkfile "):]
222 file = open(filename, "w")
224 fatal_error("Unable to create file "+filename)
225 file.write("\n".join(self.input_pipe))
229 def _cmd_cd(self, argline):
230 args = shlex.split(argline)
232 fatal_error("Too many arguments to cd")
235 print("[Tesh/INFO] change directory to "+args[1])
236 except FileNotFoundError:
237 print("Chdir to "+args[1]+" failed: No such file or directory")
238 print("Test suite `"+FileReader().filename+"': NOK (system error)")
242 #Run the Cmd if possible.
243 # Return False if nothing has been ran.
244 def run_if_possible(self):
247 #Python threads loose the cwd
248 self.cwd = os.getcwd()
249 lock = _thread.allocate_lock()
251 TeshState().add_thread(lock)
252 _thread.start_new_thread( Cmd._run, (self, lock) )
260 def _run(self, lock=None):
261 #Python threads loose the cwd
262 if self.cwd is not None:
266 #retrocompatibility: support ${aaa:=.} variable format
267 def replace_perl_variables(m):
269 vdefault = m.group(2)
270 if vname in os.environ:
274 self.args = re.sub(r"\${(\w+):=([^}]*)}", replace_perl_variables, self.args)
276 #replace bash environment variables ($THINGS) to their values
277 self.args = expandvars2(self.args)
279 if re.match("^mkfile ", self.args) is not None:
280 self._cmd_mkfile(self.args)
281 if lock is not None: lock.release()
284 if re.match("^cd ", self.args) is not None:
285 self._cmd_cd(self.args)
286 if lock is not None: lock.release()
289 if TeshState().wrapper is not None:
291 self.args = TeshState().wrapper + self.args
292 elif re.match(".*smpirun.*", self.args) is not None:
293 self.args = "sh " + self.args
295 self.args += TeshState().args_suffix
297 print("["+FileReader().filename+":"+str(self.linenumber)+"] "+self.args)
299 args = shlex.split(self.args)
302 proc = subprocess.Popen(args, bufsize=1, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
305 e.strerror += "\nOSError: [Errno 8] Executed scripts should start with shebang line (like #!/bin/sh)"
308 cmdName = FileReader().filename+":"+str(self.linenumber)
310 (stdout_data, stderr_data) = proc.communicate("\n".join(self.input_pipe), self.timeout)
311 except subprocess.TimeoutExpired:
312 print("Test suite `"+FileReader().filename+"': NOK (<"+cmdName+"> timeout after "+str(self.timeout)+" sec)")
315 if self.output_display:
319 ansi_escape = re.compile(r'\x1b[^m]*m')
320 stdout_data = ansi_escape.sub('', stdout_data)
322 #print ((stdout_data, stderr_data))
324 if self.ignore_output:
325 print("(ignoring the output of <"+cmdName+"> as requested)")
327 stdouta = stdout_data.split("\n")
328 while len(stdouta) > 0 and stdouta[-1] == "":
330 stdouta = self.remove_ignored_lines(stdouta)
333 # Mimic the "sort" bash command, which is case unsensitive.
335 stdouta.sort(key=lambda x: x.lower())
336 self.output_pipe_stdout.sort(key=lambda x: x.lower())
338 stdouta.sort(key=lambda x: x[:self.sort].lower())
339 self.output_pipe_stdout.sort(key=lambda x: x[:self.sort].lower())
341 diff = list(difflib.unified_diff(self.output_pipe_stdout, stdouta,lineterm="",fromfile='expected', tofile='obtained'))
343 print("Output of <"+cmdName+"> mismatch:")
344 if self.sort >= 0: # If sorted, truncate the diff output and show the unsorted version
351 print("(diff truncated after 250 lines)")
352 print("Unsorted observed output:\n")
355 else: # If not sorted, just display the diff
359 print("Test suite `"+FileReader().filename+"': NOK (<"+cmdName+"> output mismatch)")
360 if lock is not None: lock.release()
362 f = open('obtained','w')
363 obtained = stdout_data.split("\n")
364 while len(obtained) > 0 and obtained[-1] == "":
366 obtained = self.remove_ignored_lines(obtained)
367 for line in obtained:
368 f.write("> "+line+"\n")
370 print("Obtained output kept as requested: "+os.path.abspath("obtained"))
373 #print ((proc.returncode, self.expect_return))
375 if proc.returncode != self.expect_return:
376 if proc.returncode >= 0:
377 print("Test suite `"+FileReader().filename+"': NOK (<"+cmdName+"> returned code "+str(proc.returncode)+")")
378 if lock is not None: lock.release()
381 print("Test suite `"+FileReader().filename+"': NOK (<"+cmdName+"> got signal "+SIGNALS_TO_NAMES_DICT[-proc.returncode]+")")
382 if lock is not None: lock.release()
383 exit(-proc.returncode)
385 if lock is not None: lock.release()
390 return self.args is not None
403 if __name__ == '__main__':
405 parser = argparse.ArgumentParser(description='tesh -- testing shell', add_help=True)
406 group1 = parser.add_argument_group('Options')
407 group1.add_argument('teshfile', nargs='?', help='Name of teshfile, stdin if omitted')
408 group1.add_argument('--cd', metavar='some/directory', help='ask tesh to switch the working directory before launching the tests')
409 group1.add_argument('--setenv', metavar='var=value', action='append', help='set a specific environment variable')
410 group1.add_argument('--cfg', metavar='arg', help='add parameter --cfg=arg to each command line')
411 group1.add_argument('--log', metavar='arg', help='add parameter --log=arg to each command line')
412 group1.add_argument('--ignore-jenkins', action='store_true', help='ignore all cruft generated on SimGrid continous integration servers')
413 group1.add_argument('--wrapper', metavar='arg', help='Run each command in the provided wrapper (eg valgrind)')
414 group1.add_argument('--keep', action='store_true', help='Keep the obtained output when it does not match the expected one')
417 options = parser.parse_args()
421 if options.cd is not None:
424 if options.ignore_jenkins:
425 print("Ignore all cruft seen on SimGrid's continous integration servers")
426 TeshState().ignore_regexps_common = [
427 re.compile("^profiling:"),
428 re.compile(".*WARNING: ASan doesn\'t fully support"),
429 re.compile("Unable to clean temporary file C:.*"),
430 re.compile(".*Configuration change: Set \'contexts/"),
431 re.compile(".*Picked up JAVA_TOOL_OPTIONS.*")]
433 if options.teshfile is None:
435 print("Test suite from stdin")
437 f = FileReader(options.teshfile)
438 print("Test suite '"+f.abspath+"'")
440 if options.setenv is not None:
441 for e in options.setenv:
444 if options.cfg is not None:
445 TeshState().args_suffix += " --cfg="+options.cfg
446 if options.log is not None:
447 TeshState().args_suffix += " --log="+options.log
449 if options.wrapper is not None:
450 TeshState().wrapper = options.wrapper
453 TeshState().keep = True
455 #cmd holds the current command line
456 # tech commands will add some parameters to it
457 # when ready, we execute it.
460 line = f.readfullline()
461 while line is not None:
462 #print(">>============="+line+"==<<")
464 #print ("END CMD block")
465 if cmd.run_if_possible():
471 elif line[0:2] == "p ":
472 print("["+str(FileReader())+"] "+line[2:])
474 elif line[0:2] == "< ":
475 cmd.add_input_pipe(line[2:])
476 elif line[0:1] == "<":
477 cmd.add_input_pipe(line[1:])
479 elif line[0:2] == "> ":
480 cmd.add_output_pipe_stdout(line[2:])
481 elif line[0:1] == ">":
482 cmd.add_output_pipe_stdout(line[1:])
484 elif line[0:2] == "$ ":
485 if cmd.run_if_possible():
487 cmd.set_cmd(line[2:], f.linenumber)
489 elif line[0:2] == "& ":
490 if cmd.run_if_possible():
492 cmd.set_cmd(line[2:], f.linenumber)
493 cmd.background = True
495 elif line[0:15] == "! output ignore":
496 cmd.ignore_output = True
497 #print("cmd.ignore_output = True")
498 elif line[0:16] == "! output display":
499 cmd.output_display = True
500 cmd.ignore_output = True
501 elif line[0:15] == "! expect return":
502 cmd.expect_return = int(line[16:])
503 #print("expect return "+str(int(line[16:])))
504 elif line[0:15] == "! expect signal":
506 #get the signal integer value from the signal module
507 if sig not in signal.__dict__:
508 fatal_error("unrecognized signal '"+sig+"'")
509 sig = int(signal.__dict__[sig])
510 #popen return -signal when a process ends with a signal
511 cmd.expect_return = -sig
512 elif line[0:len("! timeout ")] == "! timeout ":
513 if "no" in line[len("! timeout "):]:
516 cmd.timeout = int(line[len("! timeout "):])
518 elif line[0:len("! output sort")] == "! output sort":
519 if len(line) >= len("! output sort "):
520 sort = int(line[len("! output sort "):])
524 elif line[0:len("! setenv ")] == "! setenv ":
525 setenv(line[len("! setenv "):])
527 elif line[0:len("! ignore ")] == "! ignore ":
528 cmd.add_ignore(line[len("! ignore "):])
531 fatal_error("UNRECOGNIZED OPTION")
534 line = f.readfullline()
536 cmd.run_if_possible()
538 TeshState().join_all_threads()
540 if f.filename == "(stdin)":
541 print("Test suite from stdin OK")
543 print("Test suite `"+f.filename+"' OK")