selftest/filter-subunit

   1 #!/usr/bin/env python
   2 # Filter a subunit stream
   3 # Copyright (C) 2009-2011 Jelmer Vernooij <jelmer@samba.org>
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # NOTE: This script is a hack, meant as a placeholder until we can migrate
  19 # to upstream subunit's filtering tools.
  20
  21 import optparse
  22 import sys
  23 import signal
  24
  25 sys.path.insert(0, "bin/python")
  26
  27 import subunithelper
  28
  29 parser = optparse.OptionParser("filter-subunit [options] < instream > outstream")
  30 parser.add_option("--expected-failures", type="string", action="append",
  31     help=("File or directory containing lists of regexes matching tests "
  32           "to consider known failures"))
  33 parser.add_option("--flapping", type="string", action="append",
  34     help=("File or directory containing lists of flapping tests, "
  35           "of which to ignore results."))
  36 parser.add_option("--strip-passed-output", action="store_true",
  37     help="Whether to strip output from tests that passed")
  38 parser.add_option("--fail-immediately", action="store_true",
  39     help="Whether to stop on the first error", default=False)
  40 parser.add_option("--prefix", type="string", default='',
  41     help="Add prefix to all test names")
  42 parser.add_option("--suffix", type="string", default='',
  43     help="Add suffix to all test names")
  44 parser.add_option("--fail-on-empty", default=False,
  45     action="store_true", help="Fail if there was no subunit output")
  46 parser.add_option("--list", default=False,
  47     action="store_true", help="Operate in list mode")
  48 parser.add_option("--perf-test-output", default=False,
  49     action="store_true", help="orientate output for performance measurement")
  50 opts, args = parser.parse_args()
  51
  52 if opts.list:
  53     for l in sys.stdin:
  54          sys.stdout.write("%s%s%s\n" % (opts.prefix, l.rstrip(), opts.suffix))
  55     sys.exit(0)
  56
  57 if opts.perf_test_output:
  58     bad_options = []
  59     for bad_opt in ('fail_immediately', 'strip_passed_output',
  60                     'flapping', 'expected_failures'):
  61         if getattr(opts, bad_opt):
  62             bad_options.append(bad_opt)
  63     if bad_options:
  64         print >>sys.stderr, ("--perf-test-output is incompatible with --%s" %
  65                              (', --'.join(x.replace('_', '-')
  66                                           for x in bad_options)))
  67         sys.exit(1)
  68
  69 if opts.expected_failures:
  70     expected_failures = subunithelper.read_test_regexes(*opts.expected_failures)
  71 else:
  72     expected_failures = {}
  73
  74
  75 if opts.flapping:
  76     flapping = subunithelper.read_test_regexes(*opts.flapping)
  77 else:
  78     flapping = {}
  79
  80 statistics = {
  81     'TESTS_UNEXPECTED_OK': 0,
  82     'TESTS_EXPECTED_OK': 0,
  83     'TESTS_UNEXPECTED_FAIL': 0,
  84     'TESTS_EXPECTED_FAIL': 0,
  85     'TESTS_ERROR': 0,
  86     'TESTS_SKIP': 0,
  87 }
  88
  89 def handle_sigint(sig, stack):
  90     sys.exit(0)
  91 signal.signal(signal.SIGINT, handle_sigint)
  92
  93 out = subunithelper.SubunitOps(sys.stdout)
  94
  95 if opts.perf_test_output:
  96     msg_ops = subunithelper.PerfFilterOps(out, opts.prefix, opts.suffix)
  97 else:
  98     msg_ops = subunithelper.FilterOps(out, opts.prefix, opts.suffix,
  99                                       expected_failures,
 100                                       opts.strip_passed_output,
 101                                       fail_immediately=opts.fail_immediately,
 102                                       flapping=flapping)
 103
 104 try:
 105     from samba.compat import PY3
 106     from io import TextIOWrapper as TextIOWrapper
 107     if PY3:
 108         forgiving_stdin = TextIOWrapper(sys.stdin.buffer, errors='ignore',  encoding='utf-8')
 109     else:
 110         forgiving_stdin = sys.stdin
 111     ret = subunithelper.parse_results(msg_ops, statistics, forgiving_stdin)
 112 except subunithelper.ImmediateFail:
 113     sys.stdout.flush()
 114     sys.exit(1)
 115
 116 if opts.fail_on_empty and not msg_ops.seen_output:
 117     sys.exit(1)
 118 else:
 119     sys.exit(ret)