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Migrate get_latest doctests. Thanks to Alex Gaynor.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13783 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2010-09-12 20:04:12 +00:00
parent f1f86e0173
commit 14a5e62f86
2 changed files with 53 additions and 49 deletions

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@ -28,52 +28,3 @@ class Person(models.Model):
def __unicode__(self):
return self.name
__test__ = {'API_TESTS':"""
# Because no Articles exist yet, latest() raises ArticleDoesNotExist.
>>> Article.objects.latest()
Traceback (most recent call last):
...
DoesNotExist: Article matching query does not exist.
# Create a couple of Articles.
>>> from datetime import datetime
>>> a1 = Article(headline='Article 1', pub_date=datetime(2005, 7, 26), expire_date=datetime(2005, 9, 1))
>>> a1.save()
>>> a2 = Article(headline='Article 2', pub_date=datetime(2005, 7, 27), expire_date=datetime(2005, 7, 28))
>>> a2.save()
>>> a3 = Article(headline='Article 3', pub_date=datetime(2005, 7, 27), expire_date=datetime(2005, 8, 27))
>>> a3.save()
>>> a4 = Article(headline='Article 4', pub_date=datetime(2005, 7, 28), expire_date=datetime(2005, 7, 30))
>>> a4.save()
# Get the latest Article.
>>> Article.objects.latest()
<Article: Article 4>
# Get the latest Article that matches certain filters.
>>> Article.objects.filter(pub_date__lt=datetime(2005, 7, 27)).latest()
<Article: Article 1>
# Pass a custom field name to latest() to change the field that's used to
# determine the latest object.
>>> Article.objects.latest('expire_date')
<Article: Article 1>
>>> Article.objects.filter(pub_date__gt=datetime(2005, 7, 26)).latest('expire_date')
<Article: Article 3>
# You can still use latest() with a model that doesn't have "get_latest_by"
# set -- just pass in the field name manually.
>>> p1 = Person(name='Ralph', birthday=datetime(1950, 1, 1))
>>> p1.save()
>>> p2 = Person(name='Stephanie', birthday=datetime(1960, 2, 3))
>>> p2.save()
>>> Person.objects.latest()
Traceback (most recent call last):
...
AssertionError: latest() requires either a field_name parameter or 'get_latest_by' in the model
>>> Person.objects.latest('birthday')
<Person: Stephanie>
"""}

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@ -0,0 +1,53 @@
from datetime import datetime
from django.test import TestCase
from models import Article, Person
class LatestTests(TestCase):
def test_latest(self):
# Because no Articles exist yet, latest() raises ArticleDoesNotExist.
self.assertRaises(Article.DoesNotExist, Article.objects.latest)
a1 = Article.objects.create(
headline="Article 1", pub_date=datetime(2005, 7, 26),
expire_date=datetime(2005, 9, 1)
)
a2 = Article.objects.create(
headline="Article 2", pub_date=datetime(2005, 7, 27),
expire_date=datetime(2005, 7, 28)
)
a3 = Article.objects.create(
headline="Article 3", pub_date=datetime(2005, 7, 27),
expire_date=datetime(2005, 8, 27)
)
a4 = Article.objects.create(
headline="Article 4", pub_date=datetime(2005, 7, 28),
expire_date=datetime(2005, 7, 30)
)
# Get the latest Article.
self.assertEqual(Article.objects.latest(), a4)
# Get the latest Article that matches certain filters.
self.assertEqual(
Article.objects.filter(pub_date__lt=datetime(2005, 7, 27)).latest(),
a1
)
# Pass a custom field name to latest() to change the field that's used
# to determine the latest object.
self.assertEqual(Article.objects.latest('expire_date'), a1)
self.assertEqual(
Article.objects.filter(pub_date__gt=datetime(2005, 7, 26)).latest('expire_date'),
a3,
)
def test_latest_manual(self):
# You can still use latest() with a model that doesn't have
# "get_latest_by" set -- just pass in the field name manually.
p1 = Person.objects.create(name="Ralph", birthday=datetime(1950, 1, 1))
p2 = Person.objects.create(name="Stephanie", birthday=datetime(1960, 2, 3))
self.assertRaises(AssertionError, Person.objects.latest)
self.assertEqual(Person.objects.latest("birthday"), p2)