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1#!@PYTHON@
2# This file is part of GNUnet.
3# (C) 2010 Christian Grothoff (and other contributing authors)
4#
5# GNUnet is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published
7# by the Free Software Foundation; either version 2, or (at your
8# option) any later version.
9#
10# GNUnet is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with GNUnet; see the file COPYING. If not, write to the
17# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18# Boston, MA 02111-1307, USA.
19#
20# Testcase for gnunet-peerinfo
21from __future__ import print_function
22import os
23import re
24import subprocess
25import sys
26import shutil
27import time
28
29class pexpect (object):
30 def __init__ (self):
31 super (pexpect, self).__init__ ()
32
33 def spawn (self, stdin, arglist, *pargs, **kwargs):
34 env = kwargs.pop ('env', None)
35 if env is None:
36 env = os.environ.copy ()
37 # This messes up some testcases, disable log redirection
38 env.pop ('GNUNET_FORCE_LOGFILE', None)
39 self.proc = subprocess.Popen (arglist, *pargs, env=env, **kwargs)
40 if self.proc is None:
41 print ("Failed to spawn a process {0}".format (arglist))
42 sys.exit (1)
43 if stdin is not None:
44 self.stdo, self.stde = self.proc.communicate (stdin)
45 else:
46 self.stdo, self.stde = self.proc.communicate ()
47 return self.proc
48
49 def expect (self, s, r, flags=0):
50 stream = self.stdo if s == 'stdout' else self.stde
51 if isinstance (r, str):
52 if r == "EOF":
53 if len (stream) == 0:
54 return True
55 else:
56 print ("Failed to find `{1}' in {0}, which is `{2}' ({3})".format (s, r, stream, len (stream)))
57 sys.exit (2)
58 raise ValueError ("Argument `r' should be an instance of re.RegexObject or a special string, but is `{0}'".format (r))
59 m = r.search (stream, flags)
60 if not m:
61 print ("Failed to find `{1}' in {0}, which is is `{2}'".format (s, r.pattern, stream))
62 sys.exit (2)
63 stream = stream[m.end ():]
64 if s == 'stdout':
65 self.stdo = stream
66 else:
67 self.stde = stream
68 return m
69
70 def read (self, s, size=-1):
71 stream = self.stdo if s == 'stdout' else self.stde
72 result = ""
73 if size < 0:
74 result = stream
75 new_stream = ""
76 else:
77 result = stream[0:size]
78 new_stream = stream[size:]
79 if s == 'stdout':
80 self.stdo = new_stream
81 else:
82 self.stde = new_stream
83 return result