TST: skip some non-us locale tests with guessing datetimes

Author: jreback

pandas/tseries/tests/test_timeseries.py

@@ -5492,7 +5492,9 @@ def test_to_datetime_iso8601_noleading_0s(self):
 
 
 class TestGuessDatetimeFormat(tm.TestCase):
+
     def test_guess_datetime_format_with_parseable_formats(self):
+        tm._skip_if_not_us_locale()
         dt_string_to_format = (('20111230', '%Y%m%d'),
                                ('2011-12-30', '%Y-%m-%d'),
                                ('30-12-2011', '%d-%m-%Y'),
@@ -5567,6 +5569,7 @@ def test_guess_datetime_format_nopadding(self):
             )
 
     def test_guess_datetime_format_for_array(self):
+        tm._skip_if_not_us_locale()
         expected_format = '%Y-%m-%d %H:%M:%S.%f'
         dt_string = datetime(2011, 12, 30, 0, 0, 0).strftime(expected_format)
 

pandas/util/testing.py

@@ -404,6 +404,14 @@ def _skip_if_has_locale():
         import nose
         raise nose.SkipTest("Specific locale is set {0}".format(lang))
 
+
+def _skip_if_not_us_locale():
+    import locale
+    lang, _ = locale.getlocale()
+    if lang != 'en_US':
+        import nose
+        raise nose.SkipTest("Specific locale is set {0}".format(lang))
+
 # -----------------------------------------------------------------------------
 # locale utilities