1
0
mirror of https://github.com/django/django.git synced 2025-10-24 06:06:09 +00:00

Refs #33476 -- Reformatted code with Black.

This commit is contained in:
django-bot
2022-02-03 20:24:19 +01:00
committed by Mariusz Felisiak
parent f68fa8b45d
commit 9c19aff7c7
1992 changed files with 139577 additions and 96284 deletions

View File

@@ -12,79 +12,90 @@ from ..models import Article, Author, DecimalModel, Fan
class GreatestTests(TestCase):
def test_basic(self):
now = timezone.now()
before = now - timedelta(hours=1)
Article.objects.create(title='Testing with Django', written=before, published=now)
articles = Article.objects.annotate(last_updated=Greatest('written', 'published'))
Article.objects.create(
title="Testing with Django", written=before, published=now
)
articles = Article.objects.annotate(
last_updated=Greatest("written", "published")
)
self.assertEqual(articles.first().last_updated, now)
@skipUnlessDBFeature('greatest_least_ignores_nulls')
@skipUnlessDBFeature("greatest_least_ignores_nulls")
def test_ignores_null(self):
now = timezone.now()
Article.objects.create(title='Testing with Django', written=now)
articles = Article.objects.annotate(last_updated=Greatest('written', 'published'))
Article.objects.create(title="Testing with Django", written=now)
articles = Article.objects.annotate(
last_updated=Greatest("written", "published")
)
self.assertEqual(articles.first().last_updated, now)
@skipIfDBFeature('greatest_least_ignores_nulls')
@skipIfDBFeature("greatest_least_ignores_nulls")
def test_propagates_null(self):
Article.objects.create(title='Testing with Django', written=timezone.now())
articles = Article.objects.annotate(last_updated=Greatest('written', 'published'))
Article.objects.create(title="Testing with Django", written=timezone.now())
articles = Article.objects.annotate(
last_updated=Greatest("written", "published")
)
self.assertIsNone(articles.first().last_updated)
def test_coalesce_workaround(self):
past = datetime(1900, 1, 1)
now = timezone.now()
Article.objects.create(title='Testing with Django', written=now)
Article.objects.create(title="Testing with Django", written=now)
articles = Article.objects.annotate(
last_updated=Greatest(
Coalesce('written', past),
Coalesce('published', past),
Coalesce("written", past),
Coalesce("published", past),
),
)
self.assertEqual(articles.first().last_updated, now)
@skipUnless(connection.vendor == 'mysql', "MySQL-specific workaround")
@skipUnless(connection.vendor == "mysql", "MySQL-specific workaround")
def test_coalesce_workaround_mysql(self):
past = datetime(1900, 1, 1)
now = timezone.now()
Article.objects.create(title='Testing with Django', written=now)
Article.objects.create(title="Testing with Django", written=now)
past_sql = RawSQL("cast(%s as datetime)", (past,))
articles = Article.objects.annotate(
last_updated=Greatest(
Coalesce('written', past_sql),
Coalesce('published', past_sql),
Coalesce("written", past_sql),
Coalesce("published", past_sql),
),
)
self.assertEqual(articles.first().last_updated, now)
def test_all_null(self):
Article.objects.create(title='Testing with Django', written=timezone.now())
articles = Article.objects.annotate(last_updated=Greatest('published', 'updated'))
Article.objects.create(title="Testing with Django", written=timezone.now())
articles = Article.objects.annotate(
last_updated=Greatest("published", "updated")
)
self.assertIsNone(articles.first().last_updated)
def test_one_expressions(self):
with self.assertRaisesMessage(ValueError, 'Greatest must take at least two expressions'):
Greatest('written')
with self.assertRaisesMessage(
ValueError, "Greatest must take at least two expressions"
):
Greatest("written")
def test_related_field(self):
author = Author.objects.create(name='John Smith', age=45)
Fan.objects.create(name='Margaret', age=50, author=author)
authors = Author.objects.annotate(highest_age=Greatest('age', 'fans__age'))
author = Author.objects.create(name="John Smith", age=45)
Fan.objects.create(name="Margaret", age=50, author=author)
authors = Author.objects.annotate(highest_age=Greatest("age", "fans__age"))
self.assertEqual(authors.first().highest_age, 50)
def test_update(self):
author = Author.objects.create(name='James Smith', goes_by='Jim')
Author.objects.update(alias=Greatest('name', 'goes_by'))
author = Author.objects.create(name="James Smith", goes_by="Jim")
Author.objects.update(alias=Greatest("name", "goes_by"))
author.refresh_from_db()
self.assertEqual(author.alias, 'Jim')
self.assertEqual(author.alias, "Jim")
def test_decimal_filter(self):
obj = DecimalModel.objects.create(n1=Decimal('1.1'), n2=Decimal('1.2'))
obj = DecimalModel.objects.create(n1=Decimal("1.1"), n2=Decimal("1.2"))
self.assertCountEqual(
DecimalModel.objects.annotate(
greatest=Greatest('n1', 'n2'),
).filter(greatest=Decimal('1.2')),
greatest=Greatest("n1", "n2"),
).filter(greatest=Decimal("1.2")),
[obj],
)