[1.2.X] Modified a few tests methods to make sure no leaks of activated locale or USE_L10N setting value happen between tests.

Backport of [15411] from trunk

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@15412 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/admin_widgets/tests.py

@@ -209,12 +209,14 @@ class AdminSplitDateTimeWidgetTest(TestCase):
 
         activate('de-at')
         old_USE_L10N = settings.USE_L10N
+        try:
             settings.USE_L10N = True
             w.is_localized = True
             self.assertEqual(
                 conditional_escape(w.render('test', datetime(2007, 12, 1, 9, 30))),
                 '<p class="datetime">Datum: <input value="01.12.2007" type="text" class="vDateField" name="test_0" size="10" /><br />Zeit: <input value="09:30:00" type="text" class="vTimeField" name="test_1" size="8" /></p>',
             )
+        finally:
             deactivate()
             settings.USE_L10N = old_USE_L10N
 

tests/regressiontests/i18n/tests.py

@@ -233,10 +233,8 @@ class FormattingTests(TestCase):
             deactivate()
 
     def test_l10n_enabled(self):
-        """
-        Catalan locale
-        """
         settings.USE_L10N = True
+        # Catalan locale
         activate('ca')
         try:
             self.assertEqual('j \de F \de Y', get_format('DATE_FORMAT'))
@@ -324,8 +322,6 @@ class FormattingTests(TestCase):
             deactivate()
 
         # English locale
-
-        settings.USE_L10N = True
         activate('en')
         try:
             self.assertEqual('N j, Y', get_format('DATE_FORMAT'))
@@ -459,13 +455,10 @@ class FormattingTests(TestCase):
         Tests the iter_format_modules function always yields format modules in
         a stable and correct order in presence of both base ll and ll_CC formats.
         """
-        try:
-            old_l10n, settings.USE_L10N = settings.USE_L10N, True
+        settings.USE_L10N = True
         en_format_mod = import_module('django.conf.locale.en.formats')
         en_gb_format_mod = import_module('django.conf.locale.en_GB.formats')
         self.assertEqual(list(iter_format_modules('en-gb')), [en_gb_format_mod, en_format_mod])
-        finally:
-            settings.USE_L10N = old_l10n
 
     def test_get_format_modules_stability(self):
         activate('de')