mirror of https://github.com/django/django.git
202 lines
7.8 KiB
Python
202 lines
7.8 KiB
Python
import datetime
|
|
|
|
import pytz
|
|
|
|
from django.test import TestCase, override_settings
|
|
from django.utils import timezone
|
|
|
|
from .models import Article, Category, Comment
|
|
|
|
|
|
class DateTimesTests(TestCase):
|
|
def test_related_model_traverse(self):
|
|
a1 = Article.objects.create(
|
|
title="First one",
|
|
pub_date=datetime.datetime(2005, 7, 28, 9, 0, 0),
|
|
)
|
|
a2 = Article.objects.create(
|
|
title="Another one",
|
|
pub_date=datetime.datetime(2010, 7, 28, 10, 0, 0),
|
|
)
|
|
a3 = Article.objects.create(
|
|
title="Third one, in the first day",
|
|
pub_date=datetime.datetime(2005, 7, 28, 17, 0, 0),
|
|
)
|
|
|
|
a1.comments.create(
|
|
text="Im the HULK!",
|
|
pub_date=datetime.datetime(2005, 7, 28, 9, 30, 0),
|
|
)
|
|
a1.comments.create(
|
|
text="HULK SMASH!",
|
|
pub_date=datetime.datetime(2005, 7, 29, 1, 30, 0),
|
|
)
|
|
a2.comments.create(
|
|
text="LMAO",
|
|
pub_date=datetime.datetime(2010, 7, 28, 10, 10, 10),
|
|
)
|
|
a3.comments.create(
|
|
text="+1",
|
|
pub_date=datetime.datetime(2005, 8, 29, 10, 10, 10),
|
|
)
|
|
|
|
c = Category.objects.create(name="serious-news")
|
|
c.articles.add(a1, a3)
|
|
|
|
self.assertSequenceEqual(
|
|
Comment.objects.datetimes("article__pub_date", "year"), [
|
|
datetime.datetime(2005, 1, 1),
|
|
datetime.datetime(2010, 1, 1),
|
|
],
|
|
)
|
|
self.assertSequenceEqual(
|
|
Comment.objects.datetimes("article__pub_date", "month"), [
|
|
datetime.datetime(2005, 7, 1),
|
|
datetime.datetime(2010, 7, 1),
|
|
],
|
|
)
|
|
self.assertSequenceEqual(
|
|
Comment.objects.datetimes("article__pub_date", "week"), [
|
|
datetime.datetime(2005, 7, 25),
|
|
datetime.datetime(2010, 7, 26),
|
|
],
|
|
)
|
|
self.assertSequenceEqual(
|
|
Comment.objects.datetimes("article__pub_date", "day"), [
|
|
datetime.datetime(2005, 7, 28),
|
|
datetime.datetime(2010, 7, 28),
|
|
],
|
|
)
|
|
self.assertSequenceEqual(
|
|
Article.objects.datetimes("comments__pub_date", "day"), [
|
|
datetime.datetime(2005, 7, 28),
|
|
datetime.datetime(2005, 7, 29),
|
|
datetime.datetime(2005, 8, 29),
|
|
datetime.datetime(2010, 7, 28),
|
|
],
|
|
)
|
|
self.assertQuerysetEqual(
|
|
Article.objects.datetimes("comments__approval_date", "day"), []
|
|
)
|
|
self.assertSequenceEqual(
|
|
Category.objects.datetimes("articles__pub_date", "day"), [
|
|
datetime.datetime(2005, 7, 28),
|
|
],
|
|
)
|
|
|
|
@override_settings(USE_TZ=True)
|
|
def test_21432(self):
|
|
now = timezone.localtime(timezone.now().replace(microsecond=0))
|
|
Article.objects.create(title="First one", pub_date=now)
|
|
qs = Article.objects.datetimes('pub_date', 'second')
|
|
self.assertEqual(qs[0], now)
|
|
|
|
@override_settings(USE_TZ=True, TIME_ZONE='UTC')
|
|
def test_datetimes_ambiguous_and_invalid_times(self):
|
|
sao = pytz.timezone('America/Sao_Paulo')
|
|
utc = pytz.UTC
|
|
article = Article.objects.create(
|
|
title='Article 1',
|
|
pub_date=utc.localize(datetime.datetime(2016, 2, 21, 1)),
|
|
)
|
|
Comment.objects.create(
|
|
article=article,
|
|
pub_date=utc.localize(datetime.datetime(2016, 10, 16, 13)),
|
|
)
|
|
with timezone.override(sao):
|
|
with self.assertRaisesMessage(pytz.AmbiguousTimeError, '2016-02-20 23:00:00'):
|
|
Article.objects.datetimes('pub_date', 'hour').get()
|
|
with self.assertRaisesMessage(pytz.NonExistentTimeError, '2016-10-16 00:00:00'):
|
|
Comment.objects.datetimes('pub_date', 'day').get()
|
|
self.assertEqual(
|
|
Article.objects.datetimes('pub_date', 'hour', is_dst=False).get().dst(),
|
|
datetime.timedelta(0),
|
|
)
|
|
self.assertEqual(
|
|
Comment.objects.datetimes('pub_date', 'day', is_dst=False).get().dst(),
|
|
datetime.timedelta(0),
|
|
)
|
|
self.assertEqual(
|
|
Article.objects.datetimes('pub_date', 'hour', is_dst=True).get().dst(),
|
|
datetime.timedelta(0, 3600),
|
|
)
|
|
self.assertEqual(
|
|
Comment.objects.datetimes('pub_date', 'hour', is_dst=True).get().dst(),
|
|
datetime.timedelta(0, 3600),
|
|
)
|
|
|
|
def test_datetimes_returns_available_dates_for_given_scope_and_given_field(self):
|
|
pub_dates = [
|
|
datetime.datetime(2005, 7, 28, 12, 15),
|
|
datetime.datetime(2005, 7, 29, 2, 15),
|
|
datetime.datetime(2005, 7, 30, 5, 15),
|
|
datetime.datetime(2005, 7, 31, 19, 15)]
|
|
for i, pub_date in enumerate(pub_dates):
|
|
Article(pub_date=pub_date, title='title #{}'.format(i)).save()
|
|
|
|
self.assertSequenceEqual(
|
|
Article.objects.datetimes('pub_date', 'year'),
|
|
[datetime.datetime(2005, 1, 1, 0, 0)],
|
|
)
|
|
self.assertSequenceEqual(
|
|
Article.objects.datetimes('pub_date', 'month'),
|
|
[datetime.datetime(2005, 7, 1, 0, 0)],
|
|
)
|
|
self.assertSequenceEqual(
|
|
Article.objects.datetimes('pub_date', 'week'),
|
|
[datetime.datetime(2005, 7, 25, 0, 0)],
|
|
)
|
|
self.assertSequenceEqual(Article.objects.datetimes('pub_date', 'day'), [
|
|
datetime.datetime(2005, 7, 28, 0, 0),
|
|
datetime.datetime(2005, 7, 29, 0, 0),
|
|
datetime.datetime(2005, 7, 30, 0, 0),
|
|
datetime.datetime(2005, 7, 31, 0, 0),
|
|
])
|
|
self.assertSequenceEqual(
|
|
Article.objects.datetimes('pub_date', 'day', order='ASC'),
|
|
[
|
|
datetime.datetime(2005, 7, 28, 0, 0),
|
|
datetime.datetime(2005, 7, 29, 0, 0),
|
|
datetime.datetime(2005, 7, 30, 0, 0),
|
|
datetime.datetime(2005, 7, 31, 0, 0),
|
|
],
|
|
)
|
|
self.assertSequenceEqual(
|
|
Article.objects.datetimes('pub_date', 'day', order='DESC'),
|
|
[
|
|
datetime.datetime(2005, 7, 31, 0, 0),
|
|
datetime.datetime(2005, 7, 30, 0, 0),
|
|
datetime.datetime(2005, 7, 29, 0, 0),
|
|
datetime.datetime(2005, 7, 28, 0, 0),
|
|
],
|
|
)
|
|
|
|
def test_datetimes_has_lazy_iterator(self):
|
|
pub_dates = [
|
|
datetime.datetime(2005, 7, 28, 12, 15),
|
|
datetime.datetime(2005, 7, 29, 2, 15),
|
|
datetime.datetime(2005, 7, 30, 5, 15),
|
|
datetime.datetime(2005, 7, 31, 19, 15)]
|
|
for i, pub_date in enumerate(pub_dates):
|
|
Article(pub_date=pub_date, title='title #{}'.format(i)).save()
|
|
# Use iterator() with datetimes() to return a generator that lazily
|
|
# requests each result one at a time, to save memory.
|
|
dates = []
|
|
with self.assertNumQueries(0):
|
|
article_datetimes_iterator = Article.objects.datetimes('pub_date', 'day', order='DESC').iterator()
|
|
|
|
with self.assertNumQueries(1):
|
|
for article in article_datetimes_iterator:
|
|
dates.append(article)
|
|
self.assertEqual(dates, [
|
|
datetime.datetime(2005, 7, 31, 0, 0),
|
|
datetime.datetime(2005, 7, 30, 0, 0),
|
|
datetime.datetime(2005, 7, 29, 0, 0),
|
|
datetime.datetime(2005, 7, 28, 0, 0)])
|
|
|
|
def test_datetimes_disallows_date_fields(self):
|
|
dt = datetime.datetime(2005, 7, 28, 12, 15)
|
|
Article.objects.create(pub_date=dt, published_on=dt.date(), title="Don't put dates into datetime functions!")
|
|
with self.assertRaisesMessage(ValueError, "Cannot truncate DateField 'published_on' to DateTimeField"):
|
|
list(Article.objects.datetimes('published_on', 'second'))
|