def test_foreign_keys_bug(self):
blog1 = Blog(title="Blog")
blog1.save()
entry1 = Entry(title="entry 1", blog=blog1)
entry1.save()
self.assertEqual(
# this should work too
list(Entry.objects.filter(blog=blog1)),
[entry1]
)
def test_dates_less_and_more_than(self):
now = datetime.datetime.now()
before = now + datetime.timedelta(days=1)
after = now - datetime.timedelta(days=1)
entry1 = Entry(title="entry 1", date_published=now)
entry1.save()
entry2 = Entry(title="entry 2", date_published=before)
entry2.save()
entry3 = Entry(title="entry 3", date_published=after)
entry3.save()
a = list(Entry.objects.filter(date_published=now))
self.assertEqual(
list(Entry.objects.filter(date_published=now)),
[entry1]
)
self.assertEqual(
list(Entry.objects.filter(date_published__lt=now)),
[entry3]
)
self.assertEqual(
list(Entry.objects.filter(date_published__gt=now)),
[entry2]
)
def test_simple_foreign_keys(self):
now = datetime.datetime.now()
blog1 = Blog(title="Blog")
blog1.save()
entry1 = Entry(title="entry 1", blog=blog1)
entry1.save()
entry2 = Entry(title="entry 2", blog=blog1)
entry2.save()
self.assertEqual(Entry.objects.count(), 2)
for entry in Entry.objects.all():
self.assertEqual(
blog1,
entry.blog
)
blog2 = Blog(title="Blog")
blog2.save()
entry3 = Entry(title="entry 3", blog=blog2)
entry3.save()
self.assertEqual(
# it's' necessary to explicitly state the pk here
list(Entry.objects.filter(blog=blog1.pk)),
[entry1, entry2]
)
def test_dates_ordering(self):
now = datetime.datetime.now()
before = now - datetime.timedelta(days=1)
entry1 = Entry(title="entry 1", date_published=now)
entry1.save()
entry2 = Entry(title="entry 2", date_published=before)
entry2.save()
self.assertEqual(
list(Entry.objects.order_by('-date_published')),
[entry1, entry2]
)
self.assertEqual(
list(Entry.objects.order_by('date_published')),
[entry2, entry1]
)