1325 lines
68 KiB
Python
1325 lines
68 KiB
Python
from datetime import datetime, timedelta, timezone as datetime_timezone
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import pytz
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try:
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import zoneinfo
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except ImportError:
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try:
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from backports import zoneinfo
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except ImportError:
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zoneinfo = None
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from django.conf import settings
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from django.db.models import (
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DateField, DateTimeField, F, IntegerField, Max, OuterRef, Subquery,
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TimeField,
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)
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from django.db.models.functions import (
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Extract, ExtractDay, ExtractHour, ExtractIsoWeekDay, ExtractIsoYear,
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ExtractMinute, ExtractMonth, ExtractQuarter, ExtractSecond, ExtractWeek,
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ExtractWeekDay, ExtractYear, Trunc, TruncDate, TruncDay, TruncHour,
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TruncMinute, TruncMonth, TruncQuarter, TruncSecond, TruncTime, TruncWeek,
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TruncYear,
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)
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from django.test import (
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TestCase, override_settings, skipIfDBFeature, skipUnlessDBFeature,
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)
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from django.utils import timezone
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from ..models import Author, DTModel, Fan
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ZONE_CONSTRUCTORS = (pytz.timezone,)
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if zoneinfo is not None:
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ZONE_CONSTRUCTORS += (zoneinfo.ZoneInfo,)
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def truncate_to(value, kind, tzinfo=None):
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# Convert to target timezone before truncation
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if tzinfo is not None:
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value = value.astimezone(tzinfo)
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def truncate(value, kind):
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if kind == 'second':
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return value.replace(microsecond=0)
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if kind == 'minute':
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return value.replace(second=0, microsecond=0)
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if kind == 'hour':
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return value.replace(minute=0, second=0, microsecond=0)
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if kind == 'day':
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if isinstance(value, datetime):
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return value.replace(hour=0, minute=0, second=0, microsecond=0)
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return value
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if kind == 'week':
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if isinstance(value, datetime):
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return (value - timedelta(days=value.weekday())).replace(hour=0, minute=0, second=0, microsecond=0)
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return value - timedelta(days=value.weekday())
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if kind == 'month':
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if isinstance(value, datetime):
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return value.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
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return value.replace(day=1)
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if kind == 'quarter':
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month_in_quarter = value.month - (value.month - 1) % 3
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if isinstance(value, datetime):
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return value.replace(month=month_in_quarter, day=1, hour=0, minute=0, second=0, microsecond=0)
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return value.replace(month=month_in_quarter, day=1)
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# otherwise, truncate to year
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if isinstance(value, datetime):
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return value.replace(month=1, day=1, hour=0, minute=0, second=0, microsecond=0)
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return value.replace(month=1, day=1)
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value = truncate(value, kind)
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if tzinfo is not None:
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# If there was a daylight saving transition, then reset the timezone.
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value = timezone.make_aware(value.replace(tzinfo=None), tzinfo)
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return value
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@override_settings(USE_TZ=False)
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class DateFunctionTests(TestCase):
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def create_model(self, start_datetime, end_datetime):
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return DTModel.objects.create(
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name=start_datetime.isoformat() if start_datetime else 'None',
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start_datetime=start_datetime,
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end_datetime=end_datetime,
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start_date=start_datetime.date() if start_datetime else None,
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end_date=end_datetime.date() if end_datetime else None,
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start_time=start_datetime.time() if start_datetime else None,
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end_time=end_datetime.time() if end_datetime else None,
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duration=(end_datetime - start_datetime) if start_datetime and end_datetime else None,
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)
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def test_extract_year_exact_lookup(self):
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"""
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Extract year uses a BETWEEN filter to compare the year to allow indexes
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to be used.
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"""
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start_datetime = datetime(2015, 6, 15, 14, 10)
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end_datetime = datetime(2016, 6, 15, 14, 10)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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for lookup in ('year', 'iso_year'):
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with self.subTest(lookup):
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qs = DTModel.objects.filter(**{'start_datetime__%s__exact' % lookup: 2015})
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self.assertEqual(qs.count(), 1)
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query_string = str(qs.query).lower()
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self.assertEqual(query_string.count(' between '), 1)
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self.assertEqual(query_string.count('extract'), 0)
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# exact is implied and should be the same
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qs = DTModel.objects.filter(**{'start_datetime__%s' % lookup: 2015})
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self.assertEqual(qs.count(), 1)
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query_string = str(qs.query).lower()
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self.assertEqual(query_string.count(' between '), 1)
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self.assertEqual(query_string.count('extract'), 0)
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# date and datetime fields should behave the same
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qs = DTModel.objects.filter(**{'start_date__%s' % lookup: 2015})
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self.assertEqual(qs.count(), 1)
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query_string = str(qs.query).lower()
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self.assertEqual(query_string.count(' between '), 1)
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self.assertEqual(query_string.count('extract'), 0)
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# an expression rhs cannot use the between optimization.
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qs = DTModel.objects.annotate(
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start_year=ExtractYear('start_datetime'),
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).filter(end_datetime__year=F('start_year') + 1)
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self.assertEqual(qs.count(), 1)
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query_string = str(qs.query).lower()
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self.assertEqual(query_string.count(' between '), 0)
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self.assertEqual(query_string.count('extract'), 3)
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def test_extract_year_greaterthan_lookup(self):
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start_datetime = datetime(2015, 6, 15, 14, 10)
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end_datetime = datetime(2016, 6, 15, 14, 10)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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for lookup in ('year', 'iso_year'):
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with self.subTest(lookup):
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qs = DTModel.objects.filter(**{'start_datetime__%s__gt' % lookup: 2015})
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self.assertEqual(qs.count(), 1)
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self.assertEqual(str(qs.query).lower().count('extract'), 0)
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qs = DTModel.objects.filter(**{'start_datetime__%s__gte' % lookup: 2015})
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self.assertEqual(qs.count(), 2)
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self.assertEqual(str(qs.query).lower().count('extract'), 0)
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qs = DTModel.objects.annotate(
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start_year=ExtractYear('start_datetime'),
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).filter(**{'end_datetime__%s__gte' % lookup: F('start_year')})
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self.assertEqual(qs.count(), 1)
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self.assertGreaterEqual(str(qs.query).lower().count('extract'), 2)
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def test_extract_year_lessthan_lookup(self):
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start_datetime = datetime(2015, 6, 15, 14, 10)
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end_datetime = datetime(2016, 6, 15, 14, 10)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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for lookup in ('year', 'iso_year'):
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with self.subTest(lookup):
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qs = DTModel.objects.filter(**{'start_datetime__%s__lt' % lookup: 2016})
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self.assertEqual(qs.count(), 1)
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self.assertEqual(str(qs.query).count('extract'), 0)
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qs = DTModel.objects.filter(**{'start_datetime__%s__lte' % lookup: 2016})
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self.assertEqual(qs.count(), 2)
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self.assertEqual(str(qs.query).count('extract'), 0)
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qs = DTModel.objects.annotate(
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end_year=ExtractYear('end_datetime'),
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).filter(**{'start_datetime__%s__lte' % lookup: F('end_year')})
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self.assertEqual(qs.count(), 1)
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self.assertGreaterEqual(str(qs.query).lower().count('extract'), 2)
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def test_extract_func(self):
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start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
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end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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with self.assertRaisesMessage(ValueError, 'lookup_name must be provided'):
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Extract('start_datetime')
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msg = 'Extract input expression must be DateField, DateTimeField, TimeField, or DurationField.'
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with self.assertRaisesMessage(ValueError, msg):
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list(DTModel.objects.annotate(extracted=Extract('name', 'hour')))
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with self.assertRaisesMessage(
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ValueError, "Cannot extract time component 'second' from DateField 'start_date'."):
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list(DTModel.objects.annotate(extracted=Extract('start_date', 'second')))
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'year')).order_by('start_datetime'),
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[(start_datetime, start_datetime.year), (end_datetime, end_datetime.year)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'quarter')).order_by('start_datetime'),
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[(start_datetime, 2), (end_datetime, 2)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'month')).order_by('start_datetime'),
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[(start_datetime, start_datetime.month), (end_datetime, end_datetime.month)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'day')).order_by('start_datetime'),
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[(start_datetime, start_datetime.day), (end_datetime, end_datetime.day)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'week')).order_by('start_datetime'),
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[(start_datetime, 25), (end_datetime, 24)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'week_day')).order_by('start_datetime'),
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[
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(start_datetime, (start_datetime.isoweekday() % 7) + 1),
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(end_datetime, (end_datetime.isoweekday() % 7) + 1)
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],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(
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extracted=Extract('start_datetime', 'iso_week_day'),
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).order_by('start_datetime'),
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[
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(start_datetime, start_datetime.isoweekday()),
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(end_datetime, end_datetime.isoweekday()),
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],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'hour')).order_by('start_datetime'),
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[(start_datetime, start_datetime.hour), (end_datetime, end_datetime.hour)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'minute')).order_by('start_datetime'),
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[(start_datetime, start_datetime.minute), (end_datetime, end_datetime.minute)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('start_datetime', 'second')).order_by('start_datetime'),
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[(start_datetime, start_datetime.second), (end_datetime, end_datetime.second)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertEqual(DTModel.objects.filter(start_datetime__year=Extract('start_datetime', 'year')).count(), 2)
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self.assertEqual(DTModel.objects.filter(start_datetime__hour=Extract('start_datetime', 'hour')).count(), 2)
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self.assertEqual(DTModel.objects.filter(start_date__month=Extract('start_date', 'month')).count(), 2)
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self.assertEqual(DTModel.objects.filter(start_time__hour=Extract('start_time', 'hour')).count(), 2)
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def test_extract_none(self):
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self.create_model(None, None)
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for t in (Extract('start_datetime', 'year'), Extract('start_date', 'year'), Extract('start_time', 'hour')):
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with self.subTest(t):
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self.assertIsNone(DTModel.objects.annotate(extracted=t).first().extracted)
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@skipUnlessDBFeature('has_native_duration_field')
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def test_extract_duration(self):
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start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
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end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=Extract('duration', 'second')).order_by('start_datetime'),
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[
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(start_datetime, (end_datetime - start_datetime).seconds % 60),
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(end_datetime, (start_datetime - end_datetime).seconds % 60)
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],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertEqual(
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DTModel.objects.annotate(
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duration_days=Extract('duration', 'day'),
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).filter(duration_days__gt=200).count(),
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1
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)
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@skipIfDBFeature('has_native_duration_field')
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def test_extract_duration_without_native_duration_field(self):
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msg = 'Extract requires native DurationField database support.'
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with self.assertRaisesMessage(ValueError, msg):
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list(DTModel.objects.annotate(extracted=Extract('duration', 'second')))
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def test_extract_duration_unsupported_lookups(self):
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msg = "Cannot extract component '%s' from DurationField 'duration'."
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for lookup in (
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'year', 'iso_year', 'month', 'week', 'week_day', 'iso_week_day',
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'quarter',
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):
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with self.subTest(lookup):
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with self.assertRaisesMessage(ValueError, msg % lookup):
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DTModel.objects.annotate(extracted=Extract('duration', lookup))
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def test_extract_year_func(self):
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start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
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end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=ExtractYear('start_datetime')).order_by('start_datetime'),
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[(start_datetime, start_datetime.year), (end_datetime, end_datetime.year)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=ExtractYear('start_date')).order_by('start_datetime'),
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[(start_datetime, start_datetime.year), (end_datetime, end_datetime.year)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertEqual(DTModel.objects.filter(start_datetime__year=ExtractYear('start_datetime')).count(), 2)
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def test_extract_iso_year_func(self):
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start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
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end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=ExtractIsoYear('start_datetime')).order_by('start_datetime'),
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[(start_datetime, start_datetime.year), (end_datetime, end_datetime.year)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=ExtractIsoYear('start_date')).order_by('start_datetime'),
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[(start_datetime, start_datetime.year), (end_datetime, end_datetime.year)],
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lambda m: (m.start_datetime, m.extracted)
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)
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# Both dates are from the same week year.
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self.assertEqual(DTModel.objects.filter(start_datetime__iso_year=ExtractIsoYear('start_datetime')).count(), 2)
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def test_extract_iso_year_func_boundaries(self):
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end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
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if settings.USE_TZ:
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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week_52_day_2014 = datetime(2014, 12, 27, 13, 0) # Sunday
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week_1_day_2014_2015 = datetime(2014, 12, 31, 13, 0) # Wednesday
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week_53_day_2015 = datetime(2015, 12, 31, 13, 0) # Thursday
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if settings.USE_TZ:
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week_1_day_2014_2015 = timezone.make_aware(week_1_day_2014_2015, is_dst=False)
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week_52_day_2014 = timezone.make_aware(week_52_day_2014, is_dst=False)
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week_53_day_2015 = timezone.make_aware(week_53_day_2015, is_dst=False)
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days = [week_52_day_2014, week_1_day_2014_2015, week_53_day_2015]
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self.create_model(week_53_day_2015, end_datetime)
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self.create_model(week_52_day_2014, end_datetime)
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self.create_model(week_1_day_2014_2015, end_datetime)
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qs = DTModel.objects.filter(start_datetime__in=days).annotate(
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extracted=ExtractIsoYear('start_datetime'),
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).order_by('start_datetime')
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self.assertQuerysetEqual(qs, [
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(week_52_day_2014, 2014),
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(week_1_day_2014_2015, 2015),
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(week_53_day_2015, 2015),
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], lambda m: (m.start_datetime, m.extracted))
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def test_extract_month_func(self):
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start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
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end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
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if settings.USE_TZ:
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start_datetime = timezone.make_aware(start_datetime, is_dst=False)
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end_datetime = timezone.make_aware(end_datetime, is_dst=False)
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self.create_model(start_datetime, end_datetime)
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self.create_model(end_datetime, start_datetime)
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self.assertQuerysetEqual(
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DTModel.objects.annotate(extracted=ExtractMonth('start_datetime')).order_by('start_datetime'),
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[(start_datetime, start_datetime.month), (end_datetime, end_datetime.month)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertQuerysetEqual(
|
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DTModel.objects.annotate(extracted=ExtractMonth('start_date')).order_by('start_datetime'),
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[(start_datetime, start_datetime.month), (end_datetime, end_datetime.month)],
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lambda m: (m.start_datetime, m.extracted)
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)
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self.assertEqual(DTModel.objects.filter(start_datetime__month=ExtractMonth('start_datetime')).count(), 2)
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|
|
|
def test_extract_day_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractDay('start_datetime')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.day), (end_datetime, end_datetime.day)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractDay('start_date')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.day), (end_datetime, end_datetime.day)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__day=ExtractDay('start_datetime')).count(), 2)
|
|
|
|
def test_extract_week_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractWeek('start_datetime')).order_by('start_datetime'),
|
|
[(start_datetime, 25), (end_datetime, 24)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractWeek('start_date')).order_by('start_datetime'),
|
|
[(start_datetime, 25), (end_datetime, 24)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
# both dates are from the same week.
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__week=ExtractWeek('start_datetime')).count(), 2)
|
|
|
|
def test_extract_quarter_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 8, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractQuarter('start_datetime')).order_by('start_datetime'),
|
|
[(start_datetime, 2), (end_datetime, 3)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractQuarter('start_date')).order_by('start_datetime'),
|
|
[(start_datetime, 2), (end_datetime, 3)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__quarter=ExtractQuarter('start_datetime')).count(), 2)
|
|
|
|
def test_extract_quarter_func_boundaries(self):
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
|
|
last_quarter_2014 = datetime(2014, 12, 31, 13, 0)
|
|
first_quarter_2015 = datetime(2015, 1, 1, 13, 0)
|
|
if settings.USE_TZ:
|
|
last_quarter_2014 = timezone.make_aware(last_quarter_2014, is_dst=False)
|
|
first_quarter_2015 = timezone.make_aware(first_quarter_2015, is_dst=False)
|
|
dates = [last_quarter_2014, first_quarter_2015]
|
|
self.create_model(last_quarter_2014, end_datetime)
|
|
self.create_model(first_quarter_2015, end_datetime)
|
|
qs = DTModel.objects.filter(start_datetime__in=dates).annotate(
|
|
extracted=ExtractQuarter('start_datetime'),
|
|
).order_by('start_datetime')
|
|
self.assertQuerysetEqual(qs, [
|
|
(last_quarter_2014, 4),
|
|
(first_quarter_2015, 1),
|
|
], lambda m: (m.start_datetime, m.extracted))
|
|
|
|
def test_extract_week_func_boundaries(self):
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
|
|
week_52_day_2014 = datetime(2014, 12, 27, 13, 0) # Sunday
|
|
week_1_day_2014_2015 = datetime(2014, 12, 31, 13, 0) # Wednesday
|
|
week_53_day_2015 = datetime(2015, 12, 31, 13, 0) # Thursday
|
|
if settings.USE_TZ:
|
|
week_1_day_2014_2015 = timezone.make_aware(week_1_day_2014_2015, is_dst=False)
|
|
week_52_day_2014 = timezone.make_aware(week_52_day_2014, is_dst=False)
|
|
week_53_day_2015 = timezone.make_aware(week_53_day_2015, is_dst=False)
|
|
|
|
days = [week_52_day_2014, week_1_day_2014_2015, week_53_day_2015]
|
|
self.create_model(week_53_day_2015, end_datetime)
|
|
self.create_model(week_52_day_2014, end_datetime)
|
|
self.create_model(week_1_day_2014_2015, end_datetime)
|
|
qs = DTModel.objects.filter(start_datetime__in=days).annotate(
|
|
extracted=ExtractWeek('start_datetime'),
|
|
).order_by('start_datetime')
|
|
self.assertQuerysetEqual(qs, [
|
|
(week_52_day_2014, 52),
|
|
(week_1_day_2014_2015, 1),
|
|
(week_53_day_2015, 53),
|
|
], lambda m: (m.start_datetime, m.extracted))
|
|
|
|
def test_extract_weekday_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractWeekDay('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, (start_datetime.isoweekday() % 7) + 1),
|
|
(end_datetime, (end_datetime.isoweekday() % 7) + 1),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractWeekDay('start_date')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, (start_datetime.isoweekday() % 7) + 1),
|
|
(end_datetime, (end_datetime.isoweekday() % 7) + 1),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__week_day=ExtractWeekDay('start_datetime')).count(), 2)
|
|
|
|
def test_extract_iso_weekday_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
extracted=ExtractIsoWeekDay('start_datetime'),
|
|
).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, start_datetime.isoweekday()),
|
|
(end_datetime, end_datetime.isoweekday()),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
extracted=ExtractIsoWeekDay('start_date'),
|
|
).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, start_datetime.isoweekday()),
|
|
(end_datetime, end_datetime.isoweekday()),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(
|
|
DTModel.objects.filter(
|
|
start_datetime__week_day=ExtractWeekDay('start_datetime'),
|
|
).count(),
|
|
2,
|
|
)
|
|
|
|
def test_extract_hour_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractHour('start_datetime')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.hour), (end_datetime, end_datetime.hour)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractHour('start_time')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.hour), (end_datetime, end_datetime.hour)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__hour=ExtractHour('start_datetime')).count(), 2)
|
|
|
|
def test_extract_minute_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractMinute('start_datetime')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.minute), (end_datetime, end_datetime.minute)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractMinute('start_time')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.minute), (end_datetime, end_datetime.minute)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__minute=ExtractMinute('start_datetime')).count(), 2)
|
|
|
|
def test_extract_second_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractSecond('start_datetime')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.second), (end_datetime, end_datetime.second)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=ExtractSecond('start_time')).order_by('start_datetime'),
|
|
[(start_datetime, start_datetime.second), (end_datetime, end_datetime.second)],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__second=ExtractSecond('start_datetime')).count(), 2)
|
|
|
|
def test_trunc_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
|
|
msg = 'output_field must be either DateField, TimeField, or DateTimeField'
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
list(DTModel.objects.annotate(truncated=Trunc('start_datetime', 'year', output_field=IntegerField())))
|
|
|
|
with self.assertRaisesMessage(AssertionError, "'name' isn't a DateField, TimeField, or DateTimeField."):
|
|
list(DTModel.objects.annotate(truncated=Trunc('name', 'year', output_field=DateTimeField())))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=Trunc('start_date', 'second')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=Trunc('start_time', 'month')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=Trunc('start_date', 'month', output_field=DateTimeField())))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=Trunc('start_time', 'second', output_field=DateTimeField())))
|
|
|
|
def test_datetime_kind(kind):
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
truncated=Trunc('start_datetime', kind, output_field=DateTimeField())
|
|
).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, kind)),
|
|
(end_datetime, truncate_to(end_datetime, kind))
|
|
],
|
|
lambda m: (m.start_datetime, m.truncated)
|
|
)
|
|
|
|
def test_date_kind(kind):
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
truncated=Trunc('start_date', kind, output_field=DateField())
|
|
).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.date(), kind)),
|
|
(end_datetime, truncate_to(end_datetime.date(), kind))
|
|
],
|
|
lambda m: (m.start_datetime, m.truncated)
|
|
)
|
|
|
|
def test_time_kind(kind):
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
truncated=Trunc('start_time', kind, output_field=TimeField())
|
|
).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.time(), kind)),
|
|
(end_datetime, truncate_to(end_datetime.time(), kind))
|
|
],
|
|
lambda m: (m.start_datetime, m.truncated)
|
|
)
|
|
|
|
def test_datetime_to_time_kind(kind):
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
truncated=Trunc('start_datetime', kind, output_field=TimeField()),
|
|
).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.time(), kind)),
|
|
(end_datetime, truncate_to(end_datetime.time(), kind)),
|
|
],
|
|
lambda m: (m.start_datetime, m.truncated),
|
|
)
|
|
|
|
test_date_kind('year')
|
|
test_date_kind('quarter')
|
|
test_date_kind('month')
|
|
test_date_kind('week')
|
|
test_date_kind('day')
|
|
test_time_kind('hour')
|
|
test_time_kind('minute')
|
|
test_time_kind('second')
|
|
test_datetime_kind('year')
|
|
test_datetime_kind('quarter')
|
|
test_datetime_kind('month')
|
|
test_datetime_kind('week')
|
|
test_datetime_kind('day')
|
|
test_datetime_kind('hour')
|
|
test_datetime_kind('minute')
|
|
test_datetime_kind('second')
|
|
test_datetime_to_time_kind('hour')
|
|
test_datetime_to_time_kind('minute')
|
|
test_datetime_to_time_kind('second')
|
|
|
|
qs = DTModel.objects.filter(start_datetime__date=Trunc('start_datetime', 'day', output_field=DateField()))
|
|
self.assertEqual(qs.count(), 2)
|
|
|
|
def test_trunc_none(self):
|
|
self.create_model(None, None)
|
|
for t in (Trunc('start_datetime', 'year'), Trunc('start_date', 'year'), Trunc('start_time', 'hour')):
|
|
with self.subTest(t):
|
|
self.assertIsNone(DTModel.objects.annotate(truncated=t).first().truncated)
|
|
|
|
def test_trunc_year_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'year')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncYear('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'year')),
|
|
(end_datetime, truncate_to(end_datetime, 'year')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncYear('start_date')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.date(), 'year')),
|
|
(end_datetime, truncate_to(end_datetime.date(), 'year')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime=TruncYear('start_datetime')).count(), 1)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncYear('start_time')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncYear('start_time', output_field=TimeField())))
|
|
|
|
def test_trunc_quarter_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 10, 15, 14, 10, 50, 123), 'quarter')
|
|
last_quarter_2015 = truncate_to(datetime(2015, 12, 31, 14, 10, 50, 123), 'quarter')
|
|
first_quarter_2016 = truncate_to(datetime(2016, 1, 1, 14, 10, 50, 123), 'quarter')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
last_quarter_2015 = timezone.make_aware(last_quarter_2015, is_dst=False)
|
|
first_quarter_2016 = timezone.make_aware(first_quarter_2016, is_dst=False)
|
|
self.create_model(start_datetime=start_datetime, end_datetime=end_datetime)
|
|
self.create_model(start_datetime=end_datetime, end_datetime=start_datetime)
|
|
self.create_model(start_datetime=last_quarter_2015, end_datetime=end_datetime)
|
|
self.create_model(start_datetime=first_quarter_2016, end_datetime=end_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncQuarter('start_date')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.date(), 'quarter')),
|
|
(last_quarter_2015, truncate_to(last_quarter_2015.date(), 'quarter')),
|
|
(first_quarter_2016, truncate_to(first_quarter_2016.date(), 'quarter')),
|
|
(end_datetime, truncate_to(end_datetime.date(), 'quarter')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncQuarter('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'quarter')),
|
|
(last_quarter_2015, truncate_to(last_quarter_2015, 'quarter')),
|
|
(first_quarter_2016, truncate_to(first_quarter_2016, 'quarter')),
|
|
(end_datetime, truncate_to(end_datetime, 'quarter')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncQuarter('start_time')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncQuarter('start_time', output_field=TimeField())))
|
|
|
|
def test_trunc_month_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'month')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncMonth('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'month')),
|
|
(end_datetime, truncate_to(end_datetime, 'month')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncMonth('start_date')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.date(), 'month')),
|
|
(end_datetime, truncate_to(end_datetime.date(), 'month')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime=TruncMonth('start_datetime')).count(), 1)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncMonth('start_time')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncMonth('start_time', output_field=TimeField())))
|
|
|
|
def test_trunc_week_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'week')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncWeek('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'week')),
|
|
(end_datetime, truncate_to(end_datetime, 'week')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime=TruncWeek('start_datetime')).count(), 1)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncWeek('start_time')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncWeek('start_time', output_field=TimeField())))
|
|
|
|
def test_trunc_date_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncDate('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, start_datetime.date()),
|
|
(end_datetime, end_datetime.date()),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__date=TruncDate('start_datetime')).count(), 2)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateField"):
|
|
list(DTModel.objects.annotate(truncated=TruncDate('start_time')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateField"):
|
|
list(DTModel.objects.annotate(truncated=TruncDate('start_time', output_field=TimeField())))
|
|
|
|
def test_trunc_date_none(self):
|
|
self.create_model(None, None)
|
|
self.assertIsNone(DTModel.objects.annotate(truncated=TruncDate('start_datetime')).first().truncated)
|
|
|
|
def test_trunc_time_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncTime('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, start_datetime.time()),
|
|
(end_datetime, end_datetime.time()),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime__time=TruncTime('start_datetime')).count(), 2)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to TimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncTime('start_date')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to TimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncTime('start_date', output_field=DateField())))
|
|
|
|
def test_trunc_time_none(self):
|
|
self.create_model(None, None)
|
|
self.assertIsNone(DTModel.objects.annotate(truncated=TruncTime('start_datetime')).first().truncated)
|
|
|
|
def test_trunc_day_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'day')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncDay('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'day')),
|
|
(end_datetime, truncate_to(end_datetime, 'day')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime=TruncDay('start_datetime')).count(), 1)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncDay('start_time')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate TimeField 'start_time' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncDay('start_time', output_field=TimeField())))
|
|
|
|
def test_trunc_hour_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'hour')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncHour('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'hour')),
|
|
(end_datetime, truncate_to(end_datetime, 'hour')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncHour('start_time')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.time(), 'hour')),
|
|
(end_datetime, truncate_to(end_datetime.time(), 'hour')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime=TruncHour('start_datetime')).count(), 1)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncHour('start_date')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncHour('start_date', output_field=DateField())))
|
|
|
|
def test_trunc_minute_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'minute')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncMinute('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'minute')),
|
|
(end_datetime, truncate_to(end_datetime, 'minute')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncMinute('start_time')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.time(), 'minute')),
|
|
(end_datetime, truncate_to(end_datetime.time(), 'minute')),
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime=TruncMinute('start_datetime')).count(), 1)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncMinute('start_date')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncMinute('start_date', output_field=DateField())))
|
|
|
|
def test_trunc_second_func(self):
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = truncate_to(datetime(2016, 6, 15, 14, 10, 50, 123), 'second')
|
|
if settings.USE_TZ:
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncSecond('start_datetime')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime, 'second')),
|
|
(end_datetime, truncate_to(end_datetime, 'second'))
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(extracted=TruncSecond('start_time')).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.time(), 'second')),
|
|
(end_datetime, truncate_to(end_datetime.time(), 'second'))
|
|
],
|
|
lambda m: (m.start_datetime, m.extracted)
|
|
)
|
|
self.assertEqual(DTModel.objects.filter(start_datetime=TruncSecond('start_datetime')).count(), 1)
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncSecond('start_date')))
|
|
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'start_date' to DateTimeField"):
|
|
list(DTModel.objects.annotate(truncated=TruncSecond('start_date', output_field=DateField())))
|
|
|
|
def test_trunc_subquery_with_parameters(self):
|
|
author_1 = Author.objects.create(name='J. R. R. Tolkien')
|
|
author_2 = Author.objects.create(name='G. R. R. Martin')
|
|
fan_since_1 = datetime(2016, 2, 3, 15, 0, 0)
|
|
fan_since_2 = datetime(2015, 2, 3, 15, 0, 0)
|
|
fan_since_3 = datetime(2017, 2, 3, 15, 0, 0)
|
|
if settings.USE_TZ:
|
|
fan_since_1 = timezone.make_aware(fan_since_1, is_dst=False)
|
|
fan_since_2 = timezone.make_aware(fan_since_2, is_dst=False)
|
|
fan_since_3 = timezone.make_aware(fan_since_3, is_dst=False)
|
|
Fan.objects.create(author=author_1, name='Tom', fan_since=fan_since_1)
|
|
Fan.objects.create(author=author_1, name='Emma', fan_since=fan_since_2)
|
|
Fan.objects.create(author=author_2, name='Isabella', fan_since=fan_since_3)
|
|
|
|
inner = Fan.objects.filter(
|
|
author=OuterRef('pk'),
|
|
name__in=('Emma', 'Isabella', 'Tom')
|
|
).values('author').annotate(newest_fan=Max('fan_since')).values('newest_fan')
|
|
outer = Author.objects.annotate(
|
|
newest_fan_year=TruncYear(Subquery(inner, output_field=DateTimeField()))
|
|
)
|
|
tz = timezone.utc if settings.USE_TZ else None
|
|
self.assertSequenceEqual(
|
|
outer.order_by('name').values('name', 'newest_fan_year'),
|
|
[
|
|
{'name': 'G. R. R. Martin', 'newest_fan_year': datetime(2017, 1, 1, 0, 0, tzinfo=tz)},
|
|
{'name': 'J. R. R. Tolkien', 'newest_fan_year': datetime(2016, 1, 1, 0, 0, tzinfo=tz)},
|
|
]
|
|
)
|
|
|
|
|
|
@override_settings(USE_TZ=True, TIME_ZONE='UTC')
|
|
class DateFunctionWithTimeZoneTests(DateFunctionTests):
|
|
|
|
def get_timezones(self, key):
|
|
for constructor in ZONE_CONSTRUCTORS:
|
|
yield constructor(key)
|
|
|
|
def test_extract_func_with_timezone(self):
|
|
start_datetime = datetime(2015, 6, 15, 23, 30, 1, 321)
|
|
end_datetime = datetime(2015, 6, 16, 13, 11, 27, 123)
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
delta_tzinfo_pos = datetime_timezone(timedelta(hours=5))
|
|
delta_tzinfo_neg = datetime_timezone(timedelta(hours=-5, minutes=17))
|
|
|
|
for melb in self.get_timezones('Australia/Melbourne'):
|
|
with self.subTest(repr(melb)):
|
|
qs = DTModel.objects.annotate(
|
|
day=Extract('start_datetime', 'day'),
|
|
day_melb=Extract('start_datetime', 'day', tzinfo=melb),
|
|
week=Extract('start_datetime', 'week', tzinfo=melb),
|
|
isoyear=ExtractIsoYear('start_datetime', tzinfo=melb),
|
|
weekday=ExtractWeekDay('start_datetime'),
|
|
weekday_melb=ExtractWeekDay('start_datetime', tzinfo=melb),
|
|
isoweekday=ExtractIsoWeekDay('start_datetime'),
|
|
isoweekday_melb=ExtractIsoWeekDay('start_datetime', tzinfo=melb),
|
|
quarter=ExtractQuarter('start_datetime', tzinfo=melb),
|
|
hour=ExtractHour('start_datetime'),
|
|
hour_melb=ExtractHour('start_datetime', tzinfo=melb),
|
|
hour_with_delta_pos=ExtractHour('start_datetime', tzinfo=delta_tzinfo_pos),
|
|
hour_with_delta_neg=ExtractHour('start_datetime', tzinfo=delta_tzinfo_neg),
|
|
minute_with_delta_neg=ExtractMinute('start_datetime', tzinfo=delta_tzinfo_neg),
|
|
).order_by('start_datetime')
|
|
|
|
utc_model = qs.get()
|
|
self.assertEqual(utc_model.day, 15)
|
|
self.assertEqual(utc_model.day_melb, 16)
|
|
self.assertEqual(utc_model.week, 25)
|
|
self.assertEqual(utc_model.isoyear, 2015)
|
|
self.assertEqual(utc_model.weekday, 2)
|
|
self.assertEqual(utc_model.weekday_melb, 3)
|
|
self.assertEqual(utc_model.isoweekday, 1)
|
|
self.assertEqual(utc_model.isoweekday_melb, 2)
|
|
self.assertEqual(utc_model.quarter, 2)
|
|
self.assertEqual(utc_model.hour, 23)
|
|
self.assertEqual(utc_model.hour_melb, 9)
|
|
self.assertEqual(utc_model.hour_with_delta_pos, 4)
|
|
self.assertEqual(utc_model.hour_with_delta_neg, 18)
|
|
self.assertEqual(utc_model.minute_with_delta_neg, 47)
|
|
|
|
with timezone.override(melb):
|
|
melb_model = qs.get()
|
|
|
|
self.assertEqual(melb_model.day, 16)
|
|
self.assertEqual(melb_model.day_melb, 16)
|
|
self.assertEqual(melb_model.week, 25)
|
|
self.assertEqual(melb_model.isoyear, 2015)
|
|
self.assertEqual(melb_model.weekday, 3)
|
|
self.assertEqual(melb_model.isoweekday, 2)
|
|
self.assertEqual(melb_model.quarter, 2)
|
|
self.assertEqual(melb_model.weekday_melb, 3)
|
|
self.assertEqual(melb_model.isoweekday_melb, 2)
|
|
self.assertEqual(melb_model.hour, 9)
|
|
self.assertEqual(melb_model.hour_melb, 9)
|
|
|
|
def test_extract_func_explicit_timezone_priority(self):
|
|
start_datetime = datetime(2015, 6, 15, 23, 30, 1, 321)
|
|
end_datetime = datetime(2015, 6, 16, 13, 11, 27, 123)
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
|
|
for melb in self.get_timezones('Australia/Melbourne'):
|
|
with self.subTest(repr(melb)):
|
|
with timezone.override(melb):
|
|
model = DTModel.objects.annotate(
|
|
day_melb=Extract('start_datetime', 'day'),
|
|
day_utc=Extract('start_datetime', 'day', tzinfo=timezone.utc),
|
|
).order_by('start_datetime').get()
|
|
self.assertEqual(model.day_melb, 16)
|
|
self.assertEqual(model.day_utc, 15)
|
|
|
|
def test_extract_invalid_field_with_timezone(self):
|
|
for melb in self.get_timezones('Australia/Melbourne'):
|
|
with self.subTest(repr(melb)):
|
|
msg = 'tzinfo can only be used with DateTimeField.'
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
DTModel.objects.annotate(
|
|
day_melb=Extract('start_date', 'day', tzinfo=melb),
|
|
).get()
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
DTModel.objects.annotate(
|
|
hour_melb=Extract('start_time', 'hour', tzinfo=melb),
|
|
).get()
|
|
|
|
def test_trunc_timezone_applied_before_truncation(self):
|
|
start_datetime = datetime(2016, 1, 1, 1, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
|
|
for melb, pacific in zip(
|
|
self.get_timezones('Australia/Melbourne'), self.get_timezones('America/Los_Angeles')
|
|
):
|
|
with self.subTest((repr(melb), repr(pacific))):
|
|
model = DTModel.objects.annotate(
|
|
melb_year=TruncYear('start_datetime', tzinfo=melb),
|
|
pacific_year=TruncYear('start_datetime', tzinfo=pacific),
|
|
melb_date=TruncDate('start_datetime', tzinfo=melb),
|
|
pacific_date=TruncDate('start_datetime', tzinfo=pacific),
|
|
melb_time=TruncTime('start_datetime', tzinfo=melb),
|
|
pacific_time=TruncTime('start_datetime', tzinfo=pacific),
|
|
).order_by('start_datetime').get()
|
|
|
|
melb_start_datetime = start_datetime.astimezone(melb)
|
|
pacific_start_datetime = start_datetime.astimezone(pacific)
|
|
self.assertEqual(model.start_datetime, start_datetime)
|
|
self.assertEqual(model.melb_year, truncate_to(start_datetime, 'year', melb))
|
|
self.assertEqual(model.pacific_year, truncate_to(start_datetime, 'year', pacific))
|
|
self.assertEqual(model.start_datetime.year, 2016)
|
|
self.assertEqual(model.melb_year.year, 2016)
|
|
self.assertEqual(model.pacific_year.year, 2015)
|
|
self.assertEqual(model.melb_date, melb_start_datetime.date())
|
|
self.assertEqual(model.pacific_date, pacific_start_datetime.date())
|
|
self.assertEqual(model.melb_time, melb_start_datetime.time())
|
|
self.assertEqual(model.pacific_time, pacific_start_datetime.time())
|
|
|
|
def test_trunc_ambiguous_and_invalid_times(self):
|
|
sao = pytz.timezone('America/Sao_Paulo')
|
|
utc = timezone.utc
|
|
start_datetime = datetime(2016, 10, 16, 13, tzinfo=utc)
|
|
end_datetime = datetime(2016, 2, 21, 1, tzinfo=utc)
|
|
self.create_model(start_datetime, end_datetime)
|
|
with timezone.override(sao):
|
|
with self.assertRaisesMessage(pytz.NonExistentTimeError, '2016-10-16 00:00:00'):
|
|
model = DTModel.objects.annotate(truncated_start=TruncDay('start_datetime')).get()
|
|
with self.assertRaisesMessage(pytz.AmbiguousTimeError, '2016-02-20 23:00:00'):
|
|
model = DTModel.objects.annotate(truncated_end=TruncHour('end_datetime')).get()
|
|
model = DTModel.objects.annotate(
|
|
truncated_start=TruncDay('start_datetime', is_dst=False),
|
|
truncated_end=TruncHour('end_datetime', is_dst=False),
|
|
).get()
|
|
self.assertEqual(model.truncated_start.dst(), timedelta(0))
|
|
self.assertEqual(model.truncated_end.dst(), timedelta(0))
|
|
model = DTModel.objects.annotate(
|
|
truncated_start=TruncDay('start_datetime', is_dst=True),
|
|
truncated_end=TruncHour('end_datetime', is_dst=True),
|
|
).get()
|
|
self.assertEqual(model.truncated_start.dst(), timedelta(0, 3600))
|
|
self.assertEqual(model.truncated_end.dst(), timedelta(0, 3600))
|
|
|
|
def test_trunc_func_with_timezone(self):
|
|
"""
|
|
If the truncated datetime transitions to a different offset (daylight
|
|
saving) then the returned value will have that new timezone/offset.
|
|
"""
|
|
start_datetime = datetime(2015, 6, 15, 14, 30, 50, 321)
|
|
end_datetime = datetime(2016, 6, 15, 14, 10, 50, 123)
|
|
start_datetime = timezone.make_aware(start_datetime, is_dst=False)
|
|
end_datetime = timezone.make_aware(end_datetime, is_dst=False)
|
|
self.create_model(start_datetime, end_datetime)
|
|
self.create_model(end_datetime, start_datetime)
|
|
|
|
for melb in self.get_timezones('Australia/Melbourne'):
|
|
with self.subTest(repr(melb)):
|
|
def test_datetime_kind(kind):
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
truncated=Trunc(
|
|
'start_datetime', kind, output_field=DateTimeField(), tzinfo=melb
|
|
)
|
|
).order_by('start_datetime'),
|
|
[
|
|
(start_datetime, truncate_to(start_datetime.astimezone(melb), kind, melb)),
|
|
(end_datetime, truncate_to(end_datetime.astimezone(melb), kind, melb))
|
|
],
|
|
lambda m: (m.start_datetime, m.truncated)
|
|
)
|
|
|
|
def test_datetime_to_date_kind(kind):
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
truncated=Trunc(
|
|
'start_datetime',
|
|
kind,
|
|
output_field=DateField(),
|
|
tzinfo=melb,
|
|
),
|
|
).order_by('start_datetime'),
|
|
[
|
|
(
|
|
start_datetime,
|
|
truncate_to(start_datetime.astimezone(melb).date(), kind),
|
|
),
|
|
(
|
|
end_datetime,
|
|
truncate_to(end_datetime.astimezone(melb).date(), kind),
|
|
),
|
|
],
|
|
lambda m: (m.start_datetime, m.truncated),
|
|
)
|
|
|
|
def test_datetime_to_time_kind(kind):
|
|
self.assertQuerysetEqual(
|
|
DTModel.objects.annotate(
|
|
truncated=Trunc(
|
|
'start_datetime',
|
|
kind,
|
|
output_field=TimeField(),
|
|
tzinfo=melb,
|
|
)
|
|
).order_by('start_datetime'),
|
|
[
|
|
(
|
|
start_datetime,
|
|
truncate_to(start_datetime.astimezone(melb).time(), kind),
|
|
),
|
|
(
|
|
end_datetime,
|
|
truncate_to(end_datetime.astimezone(melb).time(), kind),
|
|
),
|
|
],
|
|
lambda m: (m.start_datetime, m.truncated),
|
|
)
|
|
|
|
test_datetime_to_date_kind('year')
|
|
test_datetime_to_date_kind('quarter')
|
|
test_datetime_to_date_kind('month')
|
|
test_datetime_to_date_kind('week')
|
|
test_datetime_to_date_kind('day')
|
|
test_datetime_to_time_kind('hour')
|
|
test_datetime_to_time_kind('minute')
|
|
test_datetime_to_time_kind('second')
|
|
test_datetime_kind('year')
|
|
test_datetime_kind('quarter')
|
|
test_datetime_kind('month')
|
|
test_datetime_kind('week')
|
|
test_datetime_kind('day')
|
|
test_datetime_kind('hour')
|
|
test_datetime_kind('minute')
|
|
test_datetime_kind('second')
|
|
|
|
qs = DTModel.objects.filter(
|
|
start_datetime__date=Trunc('start_datetime', 'day', output_field=DateField())
|
|
)
|
|
self.assertEqual(qs.count(), 2)
|
|
|
|
def test_trunc_invalid_field_with_timezone(self):
|
|
for melb in self.get_timezones('Australia/Melbourne'):
|
|
with self.subTest(repr(melb)):
|
|
msg = 'tzinfo can only be used with DateTimeField.'
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
DTModel.objects.annotate(
|
|
day_melb=Trunc('start_date', 'day', tzinfo=melb),
|
|
).get()
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
DTModel.objects.annotate(
|
|
hour_melb=Trunc('start_time', 'hour', tzinfo=melb),
|
|
).get()
|