/
test_DateIndex.py
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/
test_DateIndex.py
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##############################################################################
#
# Copyright (c) 2002 Zope Foundation and Contributors.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""DateIndex unit tests.
"""
import unittest
class Dummy:
def __init__(self, name, date):
self._name = name
self._date = date
def name(self):
return self._name
def date(self):
return self._date
def __str__(self):
return "<Dummy %s, date %s>" % (self._name, str(self._date))
###############################################################################
# excerpted from the Python module docs
###############################################################################
def _getEastern():
from datetime import date
from datetime import datetime
from datetime import timedelta
from datetime import tzinfo
ZERO = timedelta(0)
HOUR = timedelta(hours=1)
def first_sunday_on_or_after(dt):
days_to_go = 6 - dt.weekday()
if days_to_go:
dt += timedelta(days_to_go)
return dt
# In the US, DST starts at 2am (standard time) on the first Sunday in
# April...
DSTSTART = datetime(1, 4, 1, 2)
# and ends at 2am (DST time; 1am standard time) on the last Sunday of
# October, which is the first Sunday on or after Oct 25.
DSTEND = datetime(1, 10, 25, 1)
class USTimeZone(tzinfo):
def __init__(self, hours, reprname, stdname, dstname):
self.stdoffset = timedelta(hours=hours)
self.reprname = reprname
self.stdname = stdname
self.dstname = dstname
def __repr__(self):
return self.reprname
def tzname(self, dt):
if self.dst(dt):
return self.dstname
else:
return self.stdname
def utcoffset(self, dt):
return self.stdoffset + self.dst(dt)
def dst(self, dt):
if dt is None or dt.tzinfo is None:
# An exception may be sensible here, in one or both cases.
# It depends on how you want to treat them. The default
# fromutc() implementation (called by the default astimezone()
# implementation) passes a datetime with dt.tzinfo is self.
return ZERO
assert dt.tzinfo is self
# Find first Sunday in April & the last in October.
start = first_sunday_on_or_after(DSTSTART.replace(year=dt.year))
end = first_sunday_on_or_after(DSTEND.replace(year=dt.year))
# Can't compare naive to aware objects, so strip the timezone from
# dt first.
if start <= dt.replace(tzinfo=None) < end:
return HOUR
else:
return ZERO
return USTimeZone(-5, "Eastern", "EST", "EDT")
###############################################################################
class DI_Tests(unittest.TestCase):
def _getTargetClass(self):
from Products.PluginIndexes.DateIndex.DateIndex import DateIndex
return DateIndex
def _makeOne(self, id='date'):
return self._getTargetClass()(id)
def _getValues(self):
from DateTime import DateTime
from datetime import date
from datetime import datetime
return [
(0, Dummy('a', None)), # None
(1, Dummy('b', DateTime(0))), # 1055335680
(2, Dummy('c', DateTime('2002-05-08 15:16:17'))), # 1072667236
(3, Dummy('d', DateTime('2032-05-08 15:16:17'))), # 1088737636
(4, Dummy('e', DateTime('2062-05-08 15:16:17'))), # 1018883325
(5, Dummy('e', DateTime('2062-05-08 15:16:17'))), # 1018883325
(6, Dummy('f', 1072742620.0)), # 1073545923
(7, Dummy('f', 1072742900)), # 1073545928
(8, Dummy('g', date(2034,2,5))), # 1073599200
(9, Dummy('h', datetime(2034,2,5,15,20,5))), # (varies)
(10, Dummy('i', datetime(2034,2,5,10,17,5,
tzinfo=_getEastern()))), # 1073600117
]
def _populateIndex(self, index):
for k, v in self._getValues():
index.index_object(k, v)
def _checkApply(self, index, req, expectedValues):
result, used = index._apply_index(req)
if hasattr(result, 'keys'):
result = result.keys()
self.assertEqual(used, ('date',))
self.assertEqual(len(result), len(expectedValues),
'%s | %s' % (result, expectedValues))
for k, v in expectedValues:
self.assertTrue(k in result)
def _convert(self, dt):
from time import gmtime
from datetime import date
from datetime import datetime
from Products.PluginIndexes.DateIndex.DateIndex import Local
if isinstance(dt, (float, int)):
yr, mo, dy, hr, mn = gmtime(dt)[:5]
elif type(dt) is date:
yr, mo, dy, hr, mn = dt.timetuple()[:5]
elif type(dt) is datetime:
if dt.tzinfo is None: # default behavior of index
dt = dt.replace(tzinfo=Local)
yr, mo, dy, hr, mn = dt.utctimetuple()[:5]
else:
yr, mo, dy, hr, mn = dt.toZone('UTC').parts()[:5]
return (((yr * 12 + mo) * 31 + dy) * 24 + hr) * 60 + mn
def test_interfaces(self):
from Products.PluginIndexes.interfaces import IDateIndex
from Products.PluginIndexes.interfaces import IPluggableIndex
from Products.PluginIndexes.interfaces import ISortIndex
from Products.PluginIndexes.interfaces import IUniqueValueIndex
from zope.interface.verify import verifyClass
verifyClass(IDateIndex, self._getTargetClass())
verifyClass(IPluggableIndex, self._getTargetClass())
verifyClass(ISortIndex, self._getTargetClass())
verifyClass(IUniqueValueIndex, self._getTargetClass())
def test_empty(self):
from DateTime import DateTime
index = self._makeOne()
self.assertEqual(len(index), 0)
self.assertEqual(len(index.referencedObjects()), 0)
self.assertTrue(index.getEntryForObject(1234) is None)
marker = []
self.assertTrue(index.getEntryForObject(1234, marker) is marker)
index.unindex_object(1234) # shouldn't throw
self.assertTrue(index.hasUniqueValuesFor('date'))
self.assertFalse(index.hasUniqueValuesFor('foo'))
self.assertEqual(len(index.uniqueValues('date')), 0)
self.assertTrue(index._apply_index({'zed': 12345}) is None)
self._checkApply(index,
{'date': DateTime(0)}, [])
self._checkApply(index,
{'date': {'query': DateTime('2032-05-08 15:16:17'),
'range': 'min'}},
[])
self._checkApply(index,
{'date': {'query': DateTime('2032-05-08 15:16:17'),
'range': 'max'}},
[])
self._checkApply(index,
{'date': {'query':(DateTime('2002-05-08 15:16:17'),
DateTime('2062-05-08 15:16:17')),
'range': 'min:max'}},
[])
def test_retrieval( self ):
from DateTime import DateTime
index = self._makeOne()
self._populateIndex(index)
values = self._getValues()
self.assertEqual(len(index), len(values) - 2) # One dupe, one empty
self.assertEqual(len(index.referencedObjects()), len(values) - 1)
# One empty
self.assertTrue(index.getEntryForObject(1234) is None)
marker = []
self.assertTrue(index.getEntryForObject(1234, marker) is marker)
index.unindex_object(1234) # shouldn't throw
for k, v in values:
if v.date():
self.assertEqual(index.getEntryForObject(k),
self._convert(v.date()))
self.assertEqual(len(index.uniqueValues('date')), len(values) - 2)
self.assertTrue(index._apply_index({'bar': 123}) is None)
self._checkApply(index,
{'date': DateTime(0)}, values[1:2])
self._checkApply(index,
{'date': {'query': DateTime('2032-05-08 15:16:17'),
'range': 'min'}},
values[3:6] + values[8:])
self._checkApply(index,
{'date': {'query': DateTime('2032-05-08 15:16:17'),
'range': 'max'}},
values[1:4] + values[6:8])
self._checkApply(index,
{'date': {'query':(DateTime('2002-05-08 15:16:17'),
DateTime('2062-05-08 15:16:17')),
'range': 'min:max'}},
values[2:] )
self._checkApply(index,
{'date': 1072742620.0}, [values[6]])
self._checkApply(index,
{'date': 1072742900}, [values[7]])
def test_naive_convert_to_utc(self):
index = self._makeOne()
values = self._getValues()
index.index_naive_time_as_local = False
self._populateIndex(index)
for k, v in values[9:]:
# assert that the timezone is effectively UTC for item 9,
# and still correct for item 10
yr, mo, dy, hr, mn = v.date().utctimetuple()[:5]
val = (((yr * 12 + mo) * 31 + dy) * 24 + hr) * 60 + mn
self.assertEqual(index.getEntryForObject(k), val)
def test_removal(self):
""" DateIndex would hand back spurious entries when used as a
sort_index, because it previously was not removing entries
from the _unindex when indexing an object with a value of
None. The catalog consults a sort_index's
documentToKeyMap() to build the brains.
"""
values = self._getValues()
index = self._makeOne()
self._populateIndex(index)
self._checkApply(index,
{'date': 1072742900}, [values[7]])
index.index_object(7, None)
self.assertFalse(7 in index.documentToKeyMap().keys())