mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-10-23 21:59:11 +00:00
Code Issues 32 Releases Wiki Activity

Refs #33476 -- Reformatted code with Black.

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

61
tests/db_functions/comparison/test_least.py
View File

@@ -12,81 +12,84 @@ from ..models import Article, Author, DecimalModel, Fan
class LeastTests(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(first_updated=Least('written', 'published'))
Article.objects.create(
title="Testing with Django", written=before, published=now
)
articles = Article.objects.annotate(first_updated=Least("written", "published"))
self.assertEqual(articles.first().first_updated, before)
@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)
Article.objects.create(title="Testing with Django", written=now)
articles = Article.objects.annotate(
first_updated=Least('written', 'published'),
first_updated=Least("written", "published"),
)
self.assertEqual(articles.first().first_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(first_updated=Least('written', 'published'))
Article.objects.create(title="Testing with Django", written=timezone.now())
articles = Article.objects.annotate(first_updated=Least("written", "published"))
self.assertIsNone(articles.first().first_updated)
def test_coalesce_workaround(self):
future = datetime(2100, 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=Least(
Coalesce('written', future),
Coalesce('published', future),
Coalesce("written", future),
Coalesce("published", future),
),
)
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):
future = datetime(2100, 1, 1)
now = timezone.now()
Article.objects.create(title='Testing with Django', written=now)
Article.objects.create(title="Testing with Django", written=now)
future_sql = RawSQL("cast(%s as datetime)", (future,))
articles = Article.objects.annotate(
last_updated=Least(
Coalesce('written', future_sql),
Coalesce('published', future_sql),
Coalesce("written", future_sql),
Coalesce("published", future_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(first_updated=Least('published', 'updated'))
Article.objects.create(title="Testing with Django", written=timezone.now())
articles = Article.objects.annotate(first_updated=Least("published", "updated"))
self.assertIsNone(articles.first().first_updated)
def test_one_expressions(self):
with self.assertRaisesMessage(ValueError, 'Least must take at least two expressions'):
Least('written')
with self.assertRaisesMessage(
ValueError, "Least must take at least two expressions"
):
Least("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(lowest_age=Least('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(lowest_age=Least("age", "fans__age"))
self.assertEqual(authors.first().lowest_age, 45)
def test_update(self):
author = Author.objects.create(name='James Smith', goes_by='Jim')
Author.objects.update(alias=Least('name', 'goes_by'))
author = Author.objects.create(name="James Smith", goes_by="Jim")
Author.objects.update(alias=Least("name", "goes_by"))
author.refresh_from_db()
self.assertEqual(author.alias, 'James Smith')
self.assertEqual(author.alias, "James Smith")
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(
least=Least('n1', 'n2'),
).filter(least=Decimal('1.1')),
least=Least("n1", "n2"),
).filter(least=Decimal("1.1")),
[obj],
)