XXX WIP fixed time

setup.py

@@ -23,7 +23,7 @@ setup(
     install_requires = ['ZODB', 'zodburi', 'zope.interface', 'pygolang >= 0.0.0.dev6', 'six', 'dateparser'],
 
     extras_require = {
-                  'test': ['pytest'],
+                  'test': ['pytest', 'freezegun', 'pytz'],
     },
 
     entry_points= {'console_scripts': ['zodb = zodbtools.zodb:main']},

zodbtools/test/test_tidrange.py

@@ -19,10 +19,13 @@
 
 import os
 import time
+import datetime
 from pytest import raises, fixture
-from zodbtools.util import parse_tidrange, TidRangeInvalid, ashex
+import pytz
+from freezegun import freeze_time
 from ZODB.TimeStamp import TimeStamp
 
+from zodbtools.util import parse_tidrange, TidRangeInvalid
 
 @fixture
 def europe_paris_timezone():
@@ -38,6 +41,15 @@ def europe_paris_timezone():
     time.tzset()
 
 
+@fixture
+def fake_time_2001_01_01():
+    """Pytest's fixture to run this test as if now() was 2001/01/01 at midnight UTC.
+    """
+    reference_time = datetime.datetime(2001, 1, 1, 0, 0, 0, 0, pytz.utc)
+    with freeze_time(reference_time):
+        yield
+
+
 def test_tidrange_tid():
     assert (
         b"\x00\x00\x00\x00\x00\x00\xaa\xaa",
@@ -59,7 +71,7 @@ def test_tidrange_tid():
     assert exc.value.args == ("invalid",)
 
 
-def test_tidrange_date(europe_paris_timezone):
+def test_tidrange_date(europe_paris_timezone, fake_time_2001_01_01):
     # dates in UTC
     assert (
         b"\x03\xc4\x85v\x00\x00\x00\x00",
@@ -84,4 +96,6 @@ def test_tidrange_date(europe_paris_timezone):
     ) == parse_tidrange("le 1er janvier 2018 à 10h30..2018年1月2日")
 
     # or relative dates
+    assert (b"\x039\x8e\x7f\x00\x00\x00\x00", None) == parse_tidrange("1 minute ago..")
+
     assert (None, None) != parse_tidrange("1 month ago..yesterday")