Merged revisions 77167 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r77167 | benjamin.peterson | 2009-12-30 21:11:23 -0600 (Wed, 30 Dec 2009) | 61 lines

  Merged revisions 76847,76851,76869,76882,76891-76892,76924,77007,77070,77092,77096,77120,77126,77155 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r76847 | benjamin.peterson | 2009-12-14 21:25:27 -0600 (Mon, 14 Dec 2009) | 1 line

    adverb
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    r76851 | benjamin.peterson | 2009-12-15 21:28:52 -0600 (Tue, 15 Dec 2009) | 1 line

    remove lib2to3 resource
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    r76869 | vinay.sajip | 2009-12-17 08:52:00 -0600 (Thu, 17 Dec 2009) | 1 line

    Issue #7529: logging: Minor correction to documentation.
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    r76882 | georg.brandl | 2009-12-19 11:30:28 -0600 (Sat, 19 Dec 2009) | 1 line

    #7527: use standard versionadded tags.
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    r76891 | georg.brandl | 2009-12-19 12:16:31 -0600 (Sat, 19 Dec 2009) | 1 line

    #7479: add note about function availability on Unices.
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    r76892 | georg.brandl | 2009-12-19 12:20:18 -0600 (Sat, 19 Dec 2009) | 1 line

    #7480: remove tautology.
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    r76924 | georg.brandl | 2009-12-20 08:28:05 -0600 (Sun, 20 Dec 2009) | 1 line

    Small indentation fix.
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    r77007 | gregory.p.smith | 2009-12-23 03:31:11 -0600 (Wed, 23 Dec 2009) | 3 lines

    Fix possible integer overflow in lchown and fchown functions.  For issue1747858.
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    r77070 | amaury.forgeotdarc | 2009-12-27 14:06:44 -0600 (Sun, 27 Dec 2009) | 2 lines

    Fix a typo in comment
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    r77092 | georg.brandl | 2009-12-28 02:48:24 -0600 (Mon, 28 Dec 2009) | 1 line

    #7404: remove reference to non-existing example files.
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    r77096 | benjamin.peterson | 2009-12-28 14:51:17 -0600 (Mon, 28 Dec 2009) | 1 line

    document new fix_callable behavior
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    r77120 | georg.brandl | 2009-12-29 15:09:17 -0600 (Tue, 29 Dec 2009) | 1 line

    #7595: fix typo in argument default constant.
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    r77126 | amaury.forgeotdarc | 2009-12-29 17:06:17 -0600 (Tue, 29 Dec 2009) | 2 lines

    #7579: Add docstrings to the msvcrt module
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    r77155 | georg.brandl | 2009-12-30 13:03:00 -0600 (Wed, 30 Dec 2009) | 1 line

    We only support Windows NT derivatives now.
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diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 2047e52..78f7592 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -131,32 +131,54 @@
         if hasattr(posix, 'stat'):
             self.assertTrue(posix.stat(support.TESTFN))
 
-    if hasattr(posix, 'chown'):
-        def test_chown(self):
-            # raise an OSError if the file does not exist
-            os.unlink(support.TESTFN)
-            self.assertRaises(OSError, posix.chown, support.TESTFN, -1, -1)
+    def _test_all_chown_common(self, chown_func, first_param):
+        """Common code for chown, fchown and lchown tests."""
+        if os.getuid() == 0:
+            try:
+                # Many linux distros have a nfsnobody user as MAX_UID-2
+                # that makes a good test case for signedness issues.
+                #   http://bugs.python.org/issue1747858
+                # This part of the test only runs when run as root.
+                # Only scary people run their tests as root.
+                ent = pwd.getpwnam('nfsnobody')
+                chown_func(first_param, ent.pw_uid, ent.pw_gid)
+            except KeyError:
+                pass
+        else:
+            # non-root cannot chown to root, raises OSError
+            self.assertRaises(OSError, chown_func,
+                              first_param, 0, 0)
+        # test a successful chown call
+        chown_func(first_param, os.getuid(), os.getgid())
 
-            # re-create the file
-            open(support.TESTFN, 'w').close()
-            if os.getuid() == 0:
-                try:
-                    # Many linux distros have a nfsnobody user as MAX_UID-2
-                    # that makes a good test case for signedness issues.
-                    #   http://bugs.python.org/issue1747858
-                    # This part of the test only runs when run as root.
-                    # Only scary people run their tests as root.
-                    ent = pwd.getpwnam('nfsnobody')
-                    posix.chown(support.TESTFN, ent.pw_uid, ent.pw_gid)
-                except KeyError:
-                    pass
-            else:
-                # non-root cannot chown to root, raises OSError
-                self.assertRaises(OSError, posix.chown,
-                                  support.TESTFN, 0, 0)
+    @unittest.skipUnless(hasattr(posix, 'chown'), "test needs os.chown()")
+    def test_chown(self):
+        # raise an OSError if the file does not exist
+        os.unlink(support.TESTFN)
+        self.assertRaises(OSError, posix.chown, support.TESTFN, -1, -1)
 
-            # test a successful chown call
-            posix.chown(support.TESTFN, os.getuid(), os.getgid())
+        # re-create the file
+        open(support.TESTFN, 'w').close()
+        self._test_all_chown_common(posix.chown, support.TESTFN)
+
+    @unittest.skipUnless(hasattr(posix, 'fchown'), "test needs os.fchown()")
+    def test_fchown(self):
+        os.unlink(support.TESTFN)
+
+        # re-create the file
+        test_file = open(support.TESTFN, 'w')
+        try:
+            fd = test_file.fileno()
+            self._test_all_chown_common(posix.fchown, fd)
+        finally:
+            test_file.close()
+
+    @unittest.skipUnless(hasattr(posix, 'lchown'), "test needs os.lchown()")
+    def test_lchown(self):
+        os.unlink(support.TESTFN)
+        # create a symlink
+        os.symlink('/tmp/dummy-symlink-target', support.TESTFN)
+        self._test_all_chown_common(posix.lchown, support.TESTFN)
 
     def test_chdir(self):
         if hasattr(posix, 'chdir'):