From: Daira Hopwood <daira@jacaranda.org>
Date: Tue, 2 Feb 2016 18:11:24 +0000 (+0000)
Subject: Simplify an existing test by using TimezoneMixin.
X-Git-Url: https://git.rkrishnan.org/components/%22news.html//%22%22.?a=commitdiff_plain;h=498563da69dddae86478343c66d437a467274522;p=tahoe-lafs%2Ftahoe-lafs.git

Simplify an existing test by using TimezoneMixin.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
---

diff --git a/src/allmydata/test/test_util.py b/src/allmydata/test/test_util.py
index 5fe2fbd0..25b65615 100644
--- a/src/allmydata/test/test_util.py
+++ b/src/allmydata/test/test_util.py
@@ -15,7 +15,7 @@ from allmydata.util import limiter, time_format, pollmixin, cachedir
 from allmydata.util import statistics, dictutil, pipeline
 from allmydata.util import log as tahoe_log
 from allmydata.util.spans import Spans, overlap, DataSpans
-from allmydata.test.common_util import ReallyEqualMixin
+from allmydata.test.common_util import ReallyEqualMixin, TimezoneMixin
 
 
 class Base32(unittest.TestCase):
@@ -918,7 +918,7 @@ class Limiter(unittest.TestCase):
         d.addCallback(_all_done)
         return d
 
-class TimeFormat(unittest.TestCase):
+class TimeFormat(unittest.TestCase, TimezoneMixin):
     def test_epoch(self):
         return self._help_test_epoch()
 
@@ -932,19 +932,8 @@ class TimeFormat(unittest.TestCase):
         # time_format.iso_utc_time_to_localseconds() breaks if the timezone is
         # Europe/London.  (As soon as this unit test is done then I'll change
         # that implementation to something that works even in this case...)
-        origtz = os.environ.get('TZ')
-        os.environ['TZ'] = "Europe/London"
-        if hasattr(time, 'tzset'):
-            time.tzset()
-        try:
-            return self._help_test_epoch()
-        finally:
-            if origtz is None:
-                del os.environ['TZ']
-            else:
-                os.environ['TZ'] = origtz
-            if hasattr(time, 'tzset'):
-                time.tzset()
+        self.setTimezone("Europe/London")
+        return self._help_test_epoch()
 
     def _help_test_epoch(self):
         origtzname = time.tzname