tools/valgrind/browser_wrapper_win.py

   1 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import glob
   6 import os
   7 import re
   8 import sys
   9 import subprocess
  10
  11 # TODO(timurrrr): we may use it on POSIX too to avoid code duplication once we
  12 # support layout_tests, remove Dr. Memory specific code and verify it works
  13 # on a "clean" Mac.
  14
  15 testcase_name = None
  16 for arg in sys.argv:
  17   m = re.match("\-\-gtest_filter=(.*)", arg)
  18   if m:
  19     assert testcase_name is None
  20     testcase_name = m.groups()[0]
  21
  22 # arg #0 is the path to this python script
  23 cmd_to_run = sys.argv[1:]
  24
  25 # TODO(timurrrr): this is Dr. Memory-specific
  26 # Usually, we pass "-logdir" "foo\bar\spam path" args to Dr. Memory.
  27 # To group reports per UI test, we want to put the reports for each test into a
  28 # separate directory. This code can be simplified when we have
  29 # http://code.google.com/p/drmemory/issues/detail?id=684 fixed.
  30 logdir_idx = cmd_to_run.index("-logdir")
  31 old_logdir = cmd_to_run[logdir_idx + 1]
  32
  33 wrapper_pid = str(os.getpid())
  34
  35 # On Windows, there is a chance of PID collision. We avoid it by appending the
  36 # number of entries in the logdir at the end of wrapper_pid.
  37 # This number is monotonic and we can't have two simultaneously running wrappers
  38 # with the same PID.
  39 wrapper_pid += "_%d" % len(glob.glob(old_logdir + "\\*"))
  40
  41 cmd_to_run[logdir_idx + 1] += "\\testcase.%s.logs" % wrapper_pid
  42 os.makedirs(cmd_to_run[logdir_idx + 1])
  43
  44 if testcase_name:
  45   f = open(old_logdir + "\\testcase.%s.name" % wrapper_pid, "w")
  46   print >>f, testcase_name
  47   f.close()
  48
  49 exit(subprocess.call(cmd_to_run))