File 0001-Fix-breaking-unit-tests-due-to-iso8601-cha... of Package python-oslo.utils

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File 0001-Fix-breaking-unit-tests-due-to-iso8601-changes.patch of Package python-oslo.utils

From 010fe3b1023871740b57dbc450f80e6c0c0f6e43 Mon Sep 17 00:00:00 2001
From: "John L. Villalovos" <openstack.org@sodarock.com>
Date: Mon, 5 Feb 2018 22:29:38 -0800
Subject: [PATCH] Fix breaking unit tests due to iso8601 changes

The move from iso8601===0.1.11 to iso8601===0.1.12 broke unit
tests in oslo.utils.

iso8601 used to do:
    from datetime import datetime

But now they call datetime.datetime():
    import datetime
    datetime.datetime()

Unfortunately the unit tests that mocked datetime.datetime() are now
mocking the one in iso8601. This causes a failure in the unit tests.

Fix this by using the 'wraps' argument to mock. So that the calls will
get passed through to datetime.datetime. Also changed to using the
decorator style of mock.

In addition Python 3 unit tests were broken due to changing how the
UTC time zone is represented from 'UTC' to 'UTC+00:00'.

Closes-Bug: #1747575
Closes-Bug: #1744160
Change-Id: Ia80ffb5e571cc5366bef2bc1a32c457a3c16843d
---
 oslo_utils/tests/test_timeutils.py | 52 ++++++++++++++++++--------------------
 oslo_utils/timeutils.py            |  9 +++++--
 2 files changed, 31 insertions(+), 30 deletions(-)

diff --git a/oslo_utils/tests/test_timeutils.py b/oslo_utils/tests/test_timeutils.py
index b1b1f8a..77b1aa1 100644
--- a/oslo_utils/tests/test_timeutils.py
+++ b/oslo_utils/tests/test_timeutils.py
@@ -87,20 +87,18 @@ class TimeUtilsTest(test_base.BaseTestCase):
         t = timeutils.parse_strtime(s)
         self.assertEqual(orig_t, t)
 
-    def _test_is_older_than(self, fn):
-        strptime = datetime.datetime.strptime
-        with mock.patch('datetime.datetime') as datetime_mock:
-            datetime_mock.utcnow.return_value = self.skynet_self_aware_time
-            datetime_mock.strptime = strptime
-            expect_true = timeutils.is_older_than(fn(self.one_minute_before),
-                                                  59)
-            self.assertTrue(expect_true)
-            expect_false = timeutils.is_older_than(fn(self.one_minute_before),
-                                                   60)
-            self.assertFalse(expect_false)
-            expect_false = timeutils.is_older_than(fn(self.one_minute_before),
-                                                   61)
-            self.assertFalse(expect_false)
+    @mock.patch('datetime.datetime', wraps=datetime.datetime)
+    def _test_is_older_than(self, fn, datetime_mock):
+        datetime_mock.utcnow.return_value = self.skynet_self_aware_time
+        expect_true = timeutils.is_older_than(fn(self.one_minute_before),
+                                              59)
+        self.assertTrue(expect_true)
+        expect_false = timeutils.is_older_than(fn(self.one_minute_before),
+                                               60)
+        self.assertFalse(expect_false)
+        expect_false = timeutils.is_older_than(fn(self.one_minute_before),
+                                               61)
+        self.assertFalse(expect_false)
 
     def test_is_older_than_datetime(self):
         self._test_is_older_than(lambda x: x)
@@ -118,20 +116,18 @@ class TimeUtilsTest(test_base.BaseTestCase):
             tzinfo=iso8601.iso8601.FixedOffset(1, 0, 'foo')).replace(
                 hour=7))
 
-    def _test_is_newer_than(self, fn):
-        strptime = datetime.datetime.strptime
-        with mock.patch('datetime.datetime') as datetime_mock:
-            datetime_mock.utcnow.return_value = self.skynet_self_aware_time
-            datetime_mock.strptime = strptime
-            expect_true = timeutils.is_newer_than(fn(self.one_minute_after),
-                                                  59)
-            self.assertTrue(expect_true)
-            expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
-                                                   60)
-            self.assertFalse(expect_false)
-            expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
-                                                   61)
-            self.assertFalse(expect_false)
+    @mock.patch('datetime.datetime', wraps=datetime.datetime)
+    def _test_is_newer_than(self, fn, datetime_mock):
+        datetime_mock.utcnow.return_value = self.skynet_self_aware_time
+        expect_true = timeutils.is_newer_than(fn(self.one_minute_after),
+                                              59)
+        self.assertTrue(expect_true)
+        expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
+                                               60)
+        self.assertFalse(expect_false)
+        expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
+                                               61)
+        self.assertFalse(expect_false)
 
     def test_is_newer_than_datetime(self):
         self._test_is_newer_than(lambda x: x)
diff --git a/oslo_utils/timeutils.py b/oslo_utils/timeutils.py
index d467972..e8eb990 100644
--- a/oslo_utils/timeutils.py
+++ b/oslo_utils/timeutils.py
@@ -55,7 +55,8 @@ def isotime(at=None, subsecond=False):
                      if not subsecond
                      else _ISO8601_TIME_FORMAT_SUBSECOND)
     tz = at.tzinfo.tzname(None) if at.tzinfo else 'UTC'
-    st += ('Z' if tz == 'UTC' else tz)
+    # Need to handle either iso8601 or python UTC format
+    st += ('Z' if tz in ('UTC', 'UTC+00:00') else tz)
     return st
 
 
@@ -256,7 +257,9 @@ def marshall_now(now=None):
              minute=now.minute, second=now.second,
              microsecond=now.microsecond)
     if now.tzinfo:
-        d['tzname'] = now.tzinfo.tzname(None)
+        # Need to handle either iso8601 or python UTC format
+        tzname = now.tzinfo.tzname(None)
+        d['tzname'] = 'UTC' if tzname == 'UTC+00:00' else tzname
     return d
 
 
@@ -283,6 +286,8 @@ def unmarshall_time(tyme):
                            microsecond=tyme['microsecond'])
     tzname = tyme.get('tzname')
     if tzname:
+        # Need to handle either iso8601 or python UTC format
+        tzname = 'UTC' if tzname == 'UTC+00:00' else tzname
         tzinfo = pytz.timezone(tzname)
         dt = tzinfo.localize(dt)
     return dt
-- 
2.16.1

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