django/tests/modeltests/basic/tests.py

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from __future__ import absolute_import, unicode_literals
from datetime import datetime
from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned, FieldError
from django.db.models.fields import Field, FieldDoesNotExist
from django.db.models.query import QuerySet, EmptyQuerySet, ValuesListQuerySet
from django.test import TestCase, skipIfDBFeature, skipUnlessDBFeature
from django.utils import six
from django.utils.translation import ugettext_lazy
from .models import Article
class ModelTest(TestCase):
def test_lookup(self):
# No articles are in the system yet.
self.assertQuerysetEqual(Article.objects.all(), [])
# Create an Article.
a = Article(
id=None,
headline='Area man programs in Python',
pub_date=datetime(2005, 7, 28),
)
# Save it into the database. You have to call save() explicitly.
a.save()
# Now it has an ID.
self.assertTrue(a.id != None)
# Models have a pk property that is an alias for the primary key
# attribute (by default, the 'id' attribute).
self.assertEqual(a.pk, a.id)
# Access database columns via Python attributes.
self.assertEqual(a.headline, 'Area man programs in Python')
self.assertEqual(a.pub_date, datetime(2005, 7, 28, 0, 0))
# Change values by changing the attributes, then calling save().
a.headline = 'Area woman programs in Python'
a.save()
# Article.objects.all() returns all the articles in the database.
self.assertQuerysetEqual(Article.objects.all(),
['<Article: Area woman programs in Python>'])
# Django provides a rich database lookup API.
self.assertEqual(Article.objects.get(id__exact=a.id), a)
self.assertEqual(Article.objects.get(headline__startswith='Area woman'), a)
self.assertEqual(Article.objects.get(pub_date__year=2005), a)
self.assertEqual(Article.objects.get(pub_date__year=2005, pub_date__month=7), a)
self.assertEqual(Article.objects.get(pub_date__year=2005, pub_date__month=7, pub_date__day=28), a)
self.assertEqual(Article.objects.get(pub_date__week_day=5), a)
# The "__exact" lookup type can be omitted, as a shortcut.
self.assertEqual(Article.objects.get(id=a.id), a)
self.assertEqual(Article.objects.get(headline='Area woman programs in Python'), a)
self.assertQuerysetEqual(
Article.objects.filter(pub_date__year=2005),
['<Article: Area woman programs in Python>'],
)
self.assertQuerysetEqual(
Article.objects.filter(pub_date__year=2004),
[],
)
self.assertQuerysetEqual(
Article.objects.filter(pub_date__year=2005, pub_date__month=7),
['<Article: Area woman programs in Python>'],
)
self.assertQuerysetEqual(
Article.objects.filter(pub_date__week_day=5),
['<Article: Area woman programs in Python>'],
)
self.assertQuerysetEqual(
Article.objects.filter(pub_date__week_day=6),
[],
)
# Django raises an Article.DoesNotExist exception for get() if the
# parameters don't match any object.
six.assertRaisesRegex(self,
ObjectDoesNotExist,
"Article matching query does not exist. Lookup parameters were "
"{'id__exact': 2000}",
Article.objects.get,
id__exact=2000,
)
# To avoid dict-ordering related errors check only one lookup
# in single assert.
six.assertRaisesRegex(self,
ObjectDoesNotExist,
".*'pub_date__year': 2005.*",
Article.objects.get,
pub_date__year=2005,
pub_date__month=8,
)
six.assertRaisesRegex(self,
ObjectDoesNotExist,
".*'pub_date__month': 8.*",
Article.objects.get,
pub_date__year=2005,
pub_date__month=8,
)
six.assertRaisesRegex(self,
ObjectDoesNotExist,
"Article matching query does not exist. Lookup parameters were "
"{'pub_date__week_day': 6}",
Article.objects.get,
pub_date__week_day=6,
)
# Lookup by a primary key is the most common case, so Django
# provides a shortcut for primary-key exact lookups.
# The following is identical to articles.get(id=a.id).
self.assertEqual(Article.objects.get(pk=a.id), a)
# pk can be used as a shortcut for the primary key name in any query.
self.assertQuerysetEqual(Article.objects.filter(pk__in=[a.id]),
["<Article: Area woman programs in Python>"])
# Model instances of the same type and same ID are considered equal.
a = Article.objects.get(pk=a.id)
b = Article.objects.get(pk=a.id)
self.assertEqual(a, b)
# Create a very similar object
a = Article(
id=None,
headline='Area man programs in Python',
pub_date=datetime(2005, 7, 28),
)
a.save()
self.assertEqual(Article.objects.count(), 2)
# Django raises an Article.MultipleObjectsReturned exception if the
# lookup matches more than one object
2013-01-08 18:07:12 +00:00
six.assertRaisesRegex(self,
MultipleObjectsReturned,
"get\(\) returned more than one Article -- it returned 2!",
Article.objects.get,
headline__startswith='Area',
)
2013-01-08 18:07:12 +00:00
six.assertRaisesRegex(self,
MultipleObjectsReturned,
"get\(\) returned more than one Article -- it returned 2!",
Article.objects.get,
pub_date__year=2005,
)
2013-01-08 18:07:12 +00:00
six.assertRaisesRegex(self,
MultipleObjectsReturned,
"get\(\) returned more than one Article -- it returned 2!",
Article.objects.get,
pub_date__year=2005,
pub_date__month=7,
)
def test_object_creation(self):
# Create an Article.
a = Article(
id=None,
headline='Area man programs in Python',
pub_date=datetime(2005, 7, 28),
)
# Save it into the database. You have to call save() explicitly.
a.save()
# You can initialize a model instance using positional arguments,
# which should match the field order as defined in the model.
a2 = Article(None, 'Second article', datetime(2005, 7, 29))
a2.save()
self.assertNotEqual(a2.id, a.id)
self.assertEqual(a2.headline, 'Second article')
self.assertEqual(a2.pub_date, datetime(2005, 7, 29, 0, 0))
# ...or, you can use keyword arguments.
a3 = Article(
id=None,
headline='Third article',
pub_date=datetime(2005, 7, 30),
)
a3.save()
self.assertNotEqual(a3.id, a.id)
self.assertNotEqual(a3.id, a2.id)
self.assertEqual(a3.headline, 'Third article')
self.assertEqual(a3.pub_date, datetime(2005, 7, 30, 0, 0))
# You can also mix and match position and keyword arguments, but
# be sure not to duplicate field information.
a4 = Article(None, 'Fourth article', pub_date=datetime(2005, 7, 31))
a4.save()
self.assertEqual(a4.headline, 'Fourth article')
# Don't use invalid keyword arguments.
six.assertRaisesRegex(self,
TypeError,
"'foo' is an invalid keyword argument for this function",
Article,
id=None,
headline='Invalid',
pub_date=datetime(2005, 7, 31),
foo='bar',
)
# You can leave off the value for an AutoField when creating an
# object, because it'll get filled in automatically when you save().
a5 = Article(headline='Article 6', pub_date=datetime(2005, 7, 31))
a5.save()
self.assertEqual(a5.headline, 'Article 6')
# If you leave off a field with "default" set, Django will use
# the default.
a6 = Article(pub_date=datetime(2005, 7, 31))
a6.save()
self.assertEqual(a6.headline, 'Default headline')
# For DateTimeFields, Django saves as much precision (in seconds)
# as you give it.
a7 = Article(
headline='Article 7',
pub_date=datetime(2005, 7, 31, 12, 30),
)
a7.save()
self.assertEqual(Article.objects.get(id__exact=a7.id).pub_date,
datetime(2005, 7, 31, 12, 30))
a8 = Article(
headline='Article 8',
pub_date=datetime(2005, 7, 31, 12, 30, 45),
)
a8.save()
self.assertEqual(Article.objects.get(id__exact=a8.id).pub_date,
datetime(2005, 7, 31, 12, 30, 45))
# Saving an object again doesn't create a new object -- it just saves
# the old one.
current_id = a8.id
a8.save()
self.assertEqual(a8.id, current_id)
a8.headline = 'Updated article 8'
a8.save()
self.assertEqual(a8.id, current_id)
# Check that != and == operators behave as expecte on instances
self.assertTrue(a7 != a8)
self.assertFalse(a7 == a8)
self.assertEqual(a8, Article.objects.get(id__exact=a8.id))
self.assertTrue(Article.objects.get(id__exact=a8.id) != Article.objects.get(id__exact=a7.id))
self.assertFalse(Article.objects.get(id__exact=a8.id) == Article.objects.get(id__exact=a7.id))
# You can use 'in' to test for membership...
self.assertTrue(a8 in Article.objects.all())
# ... but there will often be more efficient ways if that is all you need:
self.assertTrue(Article.objects.filter(id=a8.id).exists())
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
# datetimes() returns a list of available dates of the given scope for
# the given field.
self.assertQuerysetEqual(
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
Article.objects.datetimes('pub_date', 'year'),
["datetime.datetime(2005, 1, 1, 0, 0)"])
self.assertQuerysetEqual(
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
Article.objects.datetimes('pub_date', 'month'),
["datetime.datetime(2005, 7, 1, 0, 0)"])
self.assertQuerysetEqual(
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
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.assertQuerysetEqual(
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
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.assertQuerysetEqual(
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
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)"])
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
# datetimes() requires valid arguments.
self.assertRaises(
TypeError,
Article.objects.dates,
)
six.assertRaisesRegex(self,
FieldDoesNotExist,
"Article has no field named 'invalid_field'",
Article.objects.dates,
"invalid_field",
"year",
)
six.assertRaisesRegex(self,
AssertionError,
"'kind' must be one of 'year', 'month' or 'day'.",
Article.objects.dates,
"pub_date",
"bad_kind",
)
six.assertRaisesRegex(self,
AssertionError,
"'order' must be either 'ASC' or 'DESC'.",
Article.objects.dates,
"pub_date",
"year",
order="bad order",
)
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
# Use iterator() with datetimes() to return a generator that lazily
# requests each result one at a time, to save memory.
dates = []
Fixed #17260 -- Added time zone aware aggregation and lookups. Thanks Carl Meyer for the review. Squashed commit of the following: commit 4f290bdb60b7d8534abf4ca901bd0844612dcbda Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 21:21:30 2013 +0100 Used '0:00' instead of 'UTC' which doesn't always exist in Oracle. Thanks Ian Kelly for the suggestion. commit 01b6366f3ce67d57a58ca8f25e5be77911748638 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 13:38:43 2013 +0100 Made tzname a parameter of datetime_extract/trunc_sql. This is required to work around a bug in Oracle. commit 924a144ef8a80ba4daeeafbe9efaa826566e9d02 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Wed Feb 13 14:47:44 2013 +0100 Added support for parameters in SELECT clauses. commit b4351d2890cd1090d3ff2d203fe148937324c935 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 22:30:22 2013 +0100 Documented backwards incompatibilities in the two previous commits. commit 91ef84713c81bd455f559dacf790e586d08cacb9 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:42:31 2013 +0100 Used QuerySet.datetimes for the admin's date_hierarchy. commit 0d0de288a5210fa106cd4350961eb2006535cc5c Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 09:29:38 2013 +0100 Used QuerySet.datetimes in date-based generic views. commit 9c0859ff7c0b00734afe7fc15609d43d83215072 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:25 2013 +0100 Implemented QuerySet.datetimes on Oracle. commit 68ab511a4ffbd2b811bf5da174d47e4dd90f28fc Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:14 2013 +0100 Implemented QuerySet.datetimes on MySQL. commit 22d52681d347a8cdf568dc31ed032cbc61d049ef Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:42:29 2013 +0100 Implemented QuerySet.datetimes on SQLite. commit f6800fd04c93722b45f9236976389e0b2fe436f5 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:43:03 2013 +0100 Implemented QuerySet.datetimes on PostgreSQL. commit 0c829c23f4cf4d6804cadcc93032dd4c26b8c65e Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:41:08 2013 +0100 Added datetime-handling infrastructure in the ORM layers. commit 104d82a7778cf3f0f5d03dfa53709c26df45daad Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Mon Feb 11 10:05:55 2013 +0100 Updated null_queries tests to avoid clashing with the __second lookup. commit c01bbb32358201b3ac8cb4291ef87b7612a2b8e6 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 23:07:41 2013 +0100 Updated tests of .dates(). Replaced .dates() by .datetimes() for DateTimeFields. Replaced dates with datetimes in the expected output for DateFields. commit 50fb7a52462fecf0127b38e7f3df322aeb287c43 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 21:40:09 2013 +0100 Updated and added tests for QuerySet.datetimes. commit a8451a5004c437190e264667b1e6fb8acc3c1eeb Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 22:34:46 2013 +0100 Documented the new time lookups and updated the date lookups. commit 29413eab2bd1d5e004598900c0dadc0521bbf4d3 Author: Aymeric Augustin <aymeric.augustin@m4x.org> Date: Sun Feb 10 16:15:49 2013 +0100 Documented QuerySet.datetimes and updated QuerySet.dates.
2013-02-10 15:15:49 +00:00
for article in Article.objects.datetimes('pub_date', 'day', order='DESC').iterator():
dates.append(article)
self.assertEqual(dates, [
datetime(2005, 7, 31, 0, 0),
datetime(2005, 7, 30, 0, 0),
datetime(2005, 7, 29, 0, 0),
datetime(2005, 7, 28, 0, 0)])
# You can combine queries with & and |.
s1 = Article.objects.filter(id__exact=a.id)
s2 = Article.objects.filter(id__exact=a2.id)
self.assertQuerysetEqual(s1 | s2,
["<Article: Area man programs in Python>",
"<Article: Second article>"])
self.assertQuerysetEqual(s1 & s2, [])
# You can get the number of objects like this:
self.assertEqual(len(Article.objects.filter(id__exact=a.id)), 1)
# You can get items using index and slice notation.
self.assertEqual(Article.objects.all()[0], a)
self.assertQuerysetEqual(Article.objects.all()[1:3],
["<Article: Second article>", "<Article: Third article>"])
s3 = Article.objects.filter(id__exact=a3.id)
self.assertQuerysetEqual((s1 | s2 | s3)[::2],
["<Article: Area man programs in Python>",
"<Article: Third article>"])
2012-07-20 10:45:19 +00:00
# Slicing works with longs (Python 2 only -- Python 3 doesn't have longs).
if not six.PY3:
2012-07-20 10:45:19 +00:00
self.assertEqual(Article.objects.all()[long(0)], a)
self.assertQuerysetEqual(Article.objects.all()[long(1):long(3)],
["<Article: Second article>", "<Article: Third article>"])
self.assertQuerysetEqual((s1 | s2 | s3)[::long(2)],
["<Article: Area man programs in Python>",
"<Article: Third article>"])
# And can be mixed with ints.
self.assertQuerysetEqual(Article.objects.all()[1:long(3)],
["<Article: Second article>", "<Article: Third article>"])
# Slices (without step) are lazy:
self.assertQuerysetEqual(Article.objects.all()[0:5].filter(),
["<Article: Area man programs in Python>",
"<Article: Second article>",
"<Article: Third article>",
"<Article: Article 6>",
"<Article: Default headline>"])
# Slicing again works:
self.assertQuerysetEqual(Article.objects.all()[0:5][0:2],
["<Article: Area man programs in Python>",
"<Article: Second article>"])
self.assertQuerysetEqual(Article.objects.all()[0:5][:2],
["<Article: Area man programs in Python>",
"<Article: Second article>"])
self.assertQuerysetEqual(Article.objects.all()[0:5][4:],
["<Article: Default headline>"])
self.assertQuerysetEqual(Article.objects.all()[0:5][5:], [])
# Some more tests!
self.assertQuerysetEqual(Article.objects.all()[2:][0:2],
["<Article: Third article>", "<Article: Article 6>"])
self.assertQuerysetEqual(Article.objects.all()[2:][:2],
["<Article: Third article>", "<Article: Article 6>"])
self.assertQuerysetEqual(Article.objects.all()[2:][2:3],
["<Article: Default headline>"])
# Using an offset without a limit is also possible.
self.assertQuerysetEqual(Article.objects.all()[5:],
["<Article: Fourth article>",
"<Article: Article 7>",
"<Article: Updated article 8>"])
# Also, once you have sliced you can't filter, re-order or combine
six.assertRaisesRegex(self,
AssertionError,
"Cannot filter a query once a slice has been taken.",
Article.objects.all()[0:5].filter,
id=a.id,
)
six.assertRaisesRegex(self,
AssertionError,
"Cannot reorder a query once a slice has been taken.",
Article.objects.all()[0:5].order_by,
'id',
)
try:
Article.objects.all()[0:1] & Article.objects.all()[4:5]
self.fail('Should raise an AssertionError')
except AssertionError as e:
self.assertEqual(str(e), "Cannot combine queries once a slice has been taken.")
except Exception as e:
self.fail('Should raise an AssertionError, not %s' % e)
# Negative slices are not supported, due to database constraints.
# (hint: inverting your ordering might do what you need).
try:
Article.objects.all()[-1]
self.fail('Should raise an AssertionError')
except AssertionError as e:
self.assertEqual(str(e), "Negative indexing is not supported.")
except Exception as e:
self.fail('Should raise an AssertionError, not %s' % e)
error = None
try:
Article.objects.all()[0:-5]
except Exception as e:
error = e
self.assertTrue(isinstance(error, AssertionError))
self.assertEqual(str(error), "Negative indexing is not supported.")
# An Article instance doesn't have access to the "objects" attribute.
# That's only available on the class.
six.assertRaisesRegex(self,
AttributeError,
"Manager isn't accessible via Article instances",
getattr,
a7,
"objects",
)
# Bulk delete test: How many objects before and after the delete?
self.assertQuerysetEqual(Article.objects.all(),
["<Article: Area man programs in Python>",
"<Article: Second article>",
"<Article: Third article>",
"<Article: Article 6>",
"<Article: Default headline>",
"<Article: Fourth article>",
"<Article: Article 7>",
"<Article: Updated article 8>"])
Article.objects.filter(id__lte=a4.id).delete()
self.assertQuerysetEqual(Article.objects.all(),
["<Article: Article 6>",
"<Article: Default headline>",
"<Article: Article 7>",
"<Article: Updated article 8>"])
@skipUnlessDBFeature('supports_microsecond_precision')
def test_microsecond_precision(self):
# In PostgreSQL, microsecond-level precision is available.
a9 = Article(
headline='Article 9',
pub_date=datetime(2005, 7, 31, 12, 30, 45, 180),
)
a9.save()
self.assertEqual(Article.objects.get(pk=a9.pk).pub_date,
datetime(2005, 7, 31, 12, 30, 45, 180))
@skipIfDBFeature('supports_microsecond_precision')
def test_microsecond_precision_not_supported(self):
# In MySQL, microsecond-level precision isn't available. You'll lose
# microsecond-level precision once the data is saved.
a9 = Article(
headline='Article 9',
pub_date=datetime(2005, 7, 31, 12, 30, 45, 180),
)
a9.save()
self.assertEqual(Article.objects.get(id__exact=a9.id).pub_date,
datetime(2005, 7, 31, 12, 30, 45))
def test_manually_specify_primary_key(self):
# You can manually specify the primary key when creating a new object.
a101 = Article(
id=101,
headline='Article 101',
pub_date=datetime(2005, 7, 31, 12, 30, 45),
)
a101.save()
a101 = Article.objects.get(pk=101)
self.assertEqual(a101.headline, 'Article 101')
def test_create_method(self):
# You can create saved objects in a single step
a10 = Article.objects.create(
headline="Article 10",
pub_date=datetime(2005, 7, 31, 12, 30, 45),
)
self.assertEqual(Article.objects.get(headline="Article 10"), a10)
def test_year_lookup_edge_case(self):
# Edge-case test: A year lookup should retrieve all objects in
# the given year, including Jan. 1 and Dec. 31.
a11 = Article.objects.create(
headline='Article 11',
pub_date=datetime(2008, 1, 1),
)
a12 = Article.objects.create(
headline='Article 12',
pub_date=datetime(2008, 12, 31, 23, 59, 59, 999999),
)
self.assertQuerysetEqual(Article.objects.filter(pub_date__year=2008),
["<Article: Article 11>", "<Article: Article 12>"])
def test_unicode_data(self):
# Unicode data works, too.
a = Article(
headline='\u6797\u539f \u3081\u3050\u307f',
pub_date=datetime(2005, 7, 28),
)
a.save()
self.assertEqual(Article.objects.get(pk=a.id).headline,
'\u6797\u539f \u3081\u3050\u307f')
def test_hash_function(self):
# Model instances have a hash function, so they can be used in sets
# or as dictionary keys. Two models compare as equal if their primary
# keys are equal.
a10 = Article.objects.create(
headline="Article 10",
pub_date=datetime(2005, 7, 31, 12, 30, 45),
)
a11 = Article.objects.create(
headline='Article 11',
pub_date=datetime(2008, 1, 1),
)
a12 = Article.objects.create(
headline='Article 12',
pub_date=datetime(2008, 12, 31, 23, 59, 59, 999999),
)
s = set([a10, a11, a12])
self.assertTrue(Article.objects.get(headline='Article 11') in s)
def test_field_ordering(self):
"""
Field instances have a `__lt__` comparison function to define an
ordering based on their creation. Prior to #17851 this ordering
comparison relied on the now unsupported `__cmp__` and was assuming
compared objects were both Field instances raising `AttributeError`
when it should have returned `NotImplemented`.
"""
f1 = Field()
f2 = Field(auto_created=True)
f3 = Field()
self.assertTrue(f2 < f1)
self.assertTrue(f3 > f1)
self.assertFalse(f1 == None)
self.assertFalse(f2 in (None, 1, ''))
def test_extra_method_select_argument_with_dashes_and_values(self):
# The 'select' argument to extra() supports names with dashes in
# them, as long as you use values().
a10 = Article.objects.create(
headline="Article 10",
pub_date=datetime(2005, 7, 31, 12, 30, 45),
)
a11 = Article.objects.create(
headline='Article 11',
pub_date=datetime(2008, 1, 1),
)
a12 = Article.objects.create(
headline='Article 12',
pub_date=datetime(2008, 12, 31, 23, 59, 59, 999999),
)
dicts = Article.objects.filter(
pub_date__year=2008).extra(
select={'dashed-value': '1'}
).values('headline', 'dashed-value')
self.assertEqual([sorted(d.items()) for d in dicts],
[[('dashed-value', 1), ('headline', 'Article 11')], [('dashed-value', 1), ('headline', 'Article 12')]])
def test_extra_method_select_argument_with_dashes(self):
# If you use 'select' with extra() and names containing dashes on a
# query that's *not* a values() query, those extra 'select' values
# will silently be ignored.
a10 = Article.objects.create(
headline="Article 10",
pub_date=datetime(2005, 7, 31, 12, 30, 45),
)
a11 = Article.objects.create(
headline='Article 11',
pub_date=datetime(2008, 1, 1),
)
a12 = Article.objects.create(
headline='Article 12',
pub_date=datetime(2008, 12, 31, 23, 59, 59, 999999),
)
articles = Article.objects.filter(
pub_date__year=2008).extra(
select={'dashed-value': '1', 'undashedvalue': '2'})
self.assertEqual(articles[0].undashedvalue, 2)
def test_create_relation_with_ugettext_lazy(self):
"""
Test that ugettext_lazy objects work when saving model instances
through various methods. Refs #10498.
"""
notlazy = 'test'
lazy = ugettext_lazy(notlazy)
reporter = Article.objects.create(headline=lazy, pub_date=datetime.now())
article = Article.objects.get()
self.assertEqual(article.headline, notlazy)
# test that assign + save works with Promise objecs
article.headline = lazy
article.save()
self.assertEqual(article.headline, notlazy)
# test .update()
Article.objects.update(headline=lazy)
article = Article.objects.get()
self.assertEqual(article.headline, notlazy)
# still test bulk_create()
Article.objects.all().delete()
Article.objects.bulk_create([Article(headline=lazy, pub_date=datetime.now())])
article = Article.objects.get()
self.assertEqual(article.headline, notlazy)
def test_emptyqs(self):
# Can't be instantiated
with self.assertRaises(TypeError):
EmptyQuerySet()
self.assertTrue(isinstance(Article.objects.none(), EmptyQuerySet))
def test_emptyqs_values(self):
# test for #15959
Article.objects.create(headline='foo', pub_date=datetime.now())
with self.assertNumQueries(0):
qs = Article.objects.none().values_list('pk')
self.assertTrue(isinstance(qs, EmptyQuerySet))
self.assertTrue(isinstance(qs, ValuesListQuerySet))
self.assertEqual(len(qs), 0)
def test_emptyqs_customqs(self):
# A hacky test for custom QuerySet subclass - refs #17271
Article.objects.create(headline='foo', pub_date=datetime.now())
class CustomQuerySet(QuerySet):
def do_something(self):
return 'did something'
qs = Article.objects.all()
qs.__class__ = CustomQuerySet
qs = qs.none()
with self.assertNumQueries(0):
self.assertEqual(len(qs), 0)
self.assertTrue(isinstance(qs, EmptyQuerySet))
self.assertEqual(qs.do_something(), 'did something')
def test_emptyqs_values_order(self):
# Tests for ticket #17712
Article.objects.create(headline='foo', pub_date=datetime.now())
with self.assertNumQueries(0):
self.assertEqual(len(Article.objects.none().values_list('id').order_by('id')), 0)
with self.assertNumQueries(0):
self.assertEqual(len(Article.objects.none().filter(
id__in=Article.objects.values_list('id', flat=True))), 0)
@skipUnlessDBFeature('can_distinct_on_fields')
def test_emptyqs_distinct(self):
# Tests for #19426
Article.objects.create(headline='foo', pub_date=datetime.now())
with self.assertNumQueries(0):
self.assertEqual(len(Article.objects.none().distinct('headline', 'pub_date')), 0)
def test_invalid_qs_list(self):
qs = Article.objects.order_by('invalid_column')
self.assertRaises(FieldError, list, qs)
self.assertRaises(FieldError, list, qs)