Enforce unicode commit message.

tests/checkout_test.py

 #!/usr/bin/env python
 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Unit tests for checkout.py."""
 
 from __future__ import with_statement
 import logging
 import os
@@ skipping 181 matching lines @@
     if git:
       # Hackish to verify _branches() internal function.
       # pylint: disable=W0212
       self.assertEquals(
           (['master', 'working_branch'], 'working_branch'),
           co.checkout._branches())
 
     # Verify that the patch is applied even for read only checkout.
     self.assertTree(self.get_trunk(True), root)
     fake_author = self.FAKE_REPOS.USERS[1][0]
-    revision = co.commit('msg', fake_author)
+    revision = co.commit(u'msg', fake_author)
     # Nothing changed.
     self.assertTree(self.get_trunk(True), root)
 
     if read_only:
       self.assertEquals('FAKE', revision)
       self.assertEquals(self.previous_log['revision'], co.prepare())
       # Changes should be reverted now.
       self.assertTree(self.get_trunk(False), root)
       expected = self.previous_log
     else:
@@ skipping 278 matching lines @@
     self.assertTree(self.get_trunk(False), root)
     patches = self.get_patches()
     co.apply_patch(patches)
     self.assertEquals(
         ['bin_file', 'extra', 'new_dir/subdir/new_file', 'svn_utils_test.txt'],
         sorted(patches.filenames))
 
     # Verify that the patch is applied even for read only checkout.
     self.assertTree(self.get_trunk(True), root)
     if read_only:
-      revision = co.commit('msg', self.FAKE_REPOS.USERS[1][0])
+      revision = co.commit(u'msg', self.FAKE_REPOS.USERS[1][0])
       self.assertEquals('FAKE', revision)
     else:
       try:
-        co.commit('msg', self.FAKE_REPOS.USERS[1][0])
+        co.commit(u'msg', self.FAKE_REPOS.USERS[1][0])
         self.fail()
       except NotImplementedError:
         pass
     self.assertTree(self.get_trunk(True), root)
     # Verify that prepare() is a no-op.
     self.assertEquals(None, co.prepare())
     self.assertTree(self.get_trunk(True), root)
 
   def testAllRW(self):
     self._check(False)
@@ skipping 21 matching lines @@
   if '-v' in sys.argv:
     DEBUGGING = True
     logging.basicConfig(
         level=logging.DEBUG,
         format='%(levelname)5s %(filename)15s(%(lineno)3d): %(message)s')
   else:
     logging.basicConfig(
         level=logging.ERROR,
         format='%(levelname)5s %(filename)15s(%(lineno)3d): %(message)s')
   unittest.main()