diff options
author | Simon Charette <charette.s@gmail.com> | 2014-04-26 03:34:20 -0400 |
---|---|---|
committer | Simon Charette <charette.s@gmail.com> | 2014-04-30 14:23:19 -0400 |
commit | 24ec9538b7ca400f68ba08fab380445ca95d7c02 (patch) | |
tree | 6aedd8c704ceb9643585ab2b7bc6254d9a12f6bc /tests/ordering | |
parent | a5f6cbce07b5f3ab48d931e3fd1883c757fb9b45 (diff) | |
download | django-24ec9538b7ca400f68ba08fab380445ca95d7c02.tar.gz |
Fixed #19195 -- Allow explicit ordering by a relation `_id` field.
Thanks to chrisedgemon for the report and shaib, akaariai and
timgraham for the review.
Diffstat (limited to 'tests/ordering')
-rw-r--r-- | tests/ordering/models.py | 16 | ||||
-rw-r--r-- | tests/ordering/tests.py | 112 |
2 files changed, 80 insertions, 48 deletions
diff --git a/tests/ordering/models.py b/tests/ordering/models.py index 415b28bb41..2ab16f3c5f 100644 --- a/tests/ordering/models.py +++ b/tests/ordering/models.py @@ -17,25 +17,19 @@ from django.db import models from django.utils.encoding import python_2_unicode_compatible -@python_2_unicode_compatible -class Article(models.Model): - headline = models.CharField(max_length=100) - pub_date = models.DateTimeField() - +class Author(models.Model): class Meta: - ordering = ('-pub_date', 'headline') - - def __str__(self): - return self.headline + ordering = ('-pk',) @python_2_unicode_compatible -class ArticlePKOrdering(models.Model): +class Article(models.Model): + author = models.ForeignKey(Author, null=True) headline = models.CharField(max_length=100) pub_date = models.DateTimeField() class Meta: - ordering = ('-pk',) + ordering = ('-pub_date', 'headline') def __str__(self): return self.headline diff --git a/tests/ordering/tests.py b/tests/ordering/tests.py index 95631af5a7..5d323e006b 100644 --- a/tests/ordering/tests.py +++ b/tests/ordering/tests.py @@ -5,26 +5,29 @@ from operator import attrgetter from django.test import TestCase -from .models import Article, ArticlePKOrdering +from .models import Article, Author class OrderingTests(TestCase): - def test_basic(self): - Article.objects.create( + def setUp(self): + self.a1 = Article.objects.create( headline="Article 1", pub_date=datetime(2005, 7, 26) ) - Article.objects.create( + self.a2 = Article.objects.create( headline="Article 2", pub_date=datetime(2005, 7, 27) ) - Article.objects.create( + self.a3 = Article.objects.create( headline="Article 3", pub_date=datetime(2005, 7, 27) ) - a4 = Article.objects.create( + self.a4 = Article.objects.create( headline="Article 4", pub_date=datetime(2005, 7, 28) ) - # By default, Article.objects.all() orders by pub_date descending, then - # headline ascending. + def test_default_ordering(self): + """ + By default, Article.objects.all() orders by pub_date descending, then + headline ascending. + """ self.assertQuerysetEqual( Article.objects.all(), [ "Article 4", @@ -35,8 +38,14 @@ class OrderingTests(TestCase): attrgetter("headline") ) - # Override ordering with order_by, which is in the same format as the - # ordering attribute in models. + # Getting a single item should work too: + self.assertEqual(Article.objects.all()[0], self.a4) + + def test_default_ordering_override(self): + """ + Override ordering with order_by, which is in the same format as the + ordering attribute in models. + """ self.assertQuerysetEqual( Article.objects.order_by("headline"), [ "Article 1", @@ -56,8 +65,11 @@ class OrderingTests(TestCase): attrgetter("headline") ) - # Only the last order_by has any effect (since they each override any - # previous ordering). + def test_order_by_override(self): + """ + Only the last order_by has any effect (since they each override any + previous ordering). + """ self.assertQuerysetEqual( Article.objects.order_by("id"), [ "Article 1", @@ -77,7 +89,10 @@ class OrderingTests(TestCase): attrgetter("headline") ) - # Use the 'stop' part of slicing notation to limit the results. + def test_stop_slicing(self): + """ + Use the 'stop' part of slicing notation to limit the results. + """ self.assertQuerysetEqual( Article.objects.order_by("headline")[:2], [ "Article 1", @@ -86,8 +101,11 @@ class OrderingTests(TestCase): attrgetter("headline") ) - # Use the 'stop' and 'start' parts of slicing notation to offset the - # result list. + def test_stop_start_slicing(self): + """ + Use the 'stop' and 'start' parts of slicing notation to offset the + result list. + """ self.assertQuerysetEqual( Article.objects.order_by("headline")[1:3], [ "Article 2", @@ -96,17 +114,20 @@ class OrderingTests(TestCase): attrgetter("headline") ) - # Getting a single item should work too: - self.assertEqual(Article.objects.all()[0], a4) - - # Use '?' to order randomly. + def test_random_ordering(self): + """ + Use '?' to order randomly. + """ self.assertEqual( len(list(Article.objects.order_by("?"))), 4 ) - # Ordering can be reversed using the reverse() method on a queryset. - # This allows you to extract things like "the last two items" (reverse - # and then take the first two). + def test_reversed_ordering(self): + """ + Ordering can be reversed using the reverse() method on a queryset. + This allows you to extract things like "the last two items" (reverse + and then take the first two). + """ self.assertQuerysetEqual( Article.objects.all().reverse()[:2], [ "Article 1", @@ -115,7 +136,10 @@ class OrderingTests(TestCase): attrgetter("headline") ) - # Ordering can be based on fields included from an 'extra' clause + def test_extra_ordering(self): + """ + Ordering can be based on fields included from an 'extra' clause + """ self.assertQuerysetEqual( Article.objects.extra(select={"foo": "pub_date"}, order_by=["foo", "headline"]), [ "Article 1", @@ -126,8 +150,11 @@ class OrderingTests(TestCase): attrgetter("headline") ) - # If the extra clause uses an SQL keyword for a name, it will be - # protected by quoting. + def test_extra_ordering_quoting(self): + """ + If the extra clause uses an SQL keyword for a name, it will be + protected by quoting. + """ self.assertQuerysetEqual( Article.objects.extra(select={"order": "pub_date"}, order_by=["order", "headline"]), [ "Article 1", @@ -143,21 +170,32 @@ class OrderingTests(TestCase): Ensure that 'pk' works as an ordering option in Meta. Refs #8291. """ - ArticlePKOrdering.objects.create( - pk=1, headline="Article 1", pub_date=datetime(2005, 7, 26) - ) - ArticlePKOrdering.objects.create( - pk=2, headline="Article 2", pub_date=datetime(2005, 7, 27) - ) - ArticlePKOrdering.objects.create( - pk=3, headline="Article 3", pub_date=datetime(2005, 7, 27) - ) - ArticlePKOrdering.objects.create( - pk=4, headline="Article 4", pub_date=datetime(2005, 7, 28) + Author.objects.create(pk=1) + Author.objects.create(pk=2) + Author.objects.create(pk=3) + Author.objects.create(pk=4) + + self.assertQuerysetEqual( + Author.objects.all(), [ + 4, 3, 2, 1 + ], + attrgetter("pk") ) + def test_order_by_fk_attname(self): + """ + Ensure that ordering by a foreign key by its attribute name prevents + the query from inheriting it's related model ordering option. + Refs #19195. + """ + for i in range(1, 5): + author = Author.objects.create(pk=i) + article = getattr(self, "a%d" % (5 - i)) + article.author = author + article.save(update_fields={'author'}) + self.assertQuerysetEqual( - ArticlePKOrdering.objects.all(), [ + Article.objects.order_by('author_id'), [ "Article 4", "Article 3", "Article 2", |