Add an assert to ensure UTF-8 locale when handling file paths.

client/tests/trace_inputs_smoke_test.py

 #!/usr/bin/env python
 # coding=utf-8
 # Copyright 2012 The Swarming Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0 that
 # can be found in the LICENSE file.
 
 import functools
 import json
 import logging
 import os
 import shutil
 import subprocess
 import sys
 import tempfile
 import unicodedata
 import unittest
 
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, ROOT_DIR)
 
 import trace_inputs
+from third_party.depot_tools import fix_encoding
 from utils import file_path
 from utils import threading_utils
 
 
 FILENAME = os.path.basename(__file__)
 REL_DATA = os.path.join(u'tests', 'trace_inputs')
 VERBOSE = False
 
 # TODO(maruel): Have the kernel tracer on Windows differentiate between file
 # read or file write.
@@ skipping 62 matching lines @@
     # self.naked_executable will only be naked on Windows.
     self.naked_executable = unicode(sys.executable)
     if sys.platform == 'win32':
       self.naked_executable = os.path.basename(sys.executable)
 
   def tearDown(self):
     if self.tempdir:
       if VERBOSE:
         print 'Leaking: %s' % self.tempdir
       else:
-        shutil.rmtree(self.tempdir)
+        file_path.rmtree(self.tempdir)
 
   @staticmethod
   def get_child_command(from_data):
     """Returns command to run the child1.py."""
     cmd = [sys.executable]
     if from_data:
       # When the gyp argument is specified, the command is started from --cwd
       # directory. In this case, 'tests'.
       cmd.extend([os.path.join('trace_inputs', 'child1.py'), '--child-gyp'])
     else:
@@ skipping 600 matching lines @@
     self.assertTrue(actual['root'].pop('pid'))
     self.assertEqual(expected, actual)
     trace_inputs.get_api().clean_trace(self.log)
     files = sorted(
         unicodedata.normalize('NFC', i)
         for i in os.listdir(unicode(self.tempdir)))
     self.assertEqual([filename, 'tricky_filename.py'], files)
 
 
 if __name__ == '__main__':
+  fix_encoding.fix_encoding()
   VERBOSE = '-v' in sys.argv
   logging.basicConfig(level=logging.DEBUG if VERBOSE else logging.ERROR)
   if VERBOSE:
     unittest.TestCase.maxDiff = None
   # Necessary for the dtrace logger to work around execve() hook. See
   # trace_inputs.py for more details.
   os.environ['TRACE_INPUTS_DTRACE_ENABLE_EXECVE'] = '1'
   print >> sys.stderr, 'Test are currently disabled'
   sys.exit(0)
   #unittest.main()