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from datetime import datetime, timedelta
from django.db.models.functions import Now
from django.test import TestCase
from django.utils import timezone
from ..models import Article
lorem_ipsum = """
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua."""
class NowTests(TestCase):
def test_basic(self):
a1 = Article.objects.create(
title='How to Django',
text=lorem_ipsum,
written=timezone.now(),
)
a2 = Article.objects.create(
title='How to Time Travel',
text=lorem_ipsum,
written=timezone.now(),
)
num_updated = Article.objects.filter(id=a1.id, published=None).update(published=Now())
self.assertEqual(num_updated, 1)
num_updated = Article.objects.filter(id=a1.id, published=None).update(published=Now())
self.assertEqual(num_updated, 0)
a1.refresh_from_db()
self.assertIsInstance(a1.published, datetime)
a2.published = Now() + timedelta(days=2)
a2.save()
a2.refresh_from_db()
self.assertIsInstance(a2.published, datetime)
self.assertQuerysetEqual(
Article.objects.filter(published__lte=Now()),
['How to Django'],
lambda a: a.title
)
self.assertQuerysetEqual(
Article.objects.filter(published__gt=Now()),
['How to Time Travel'],
lambda a: a.title
)
|
