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Code Issues 32 Releases Wiki Activity

Refs #33476 -- Reformatted code with Black.

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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
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357
tests/model_inheritance_regress/tests.py
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@@ -9,12 +9,34 @@ from django import forms
from django.test import TestCase
from .models import (
ArticleWithAuthor, BachelorParty, BirthdayParty, BusStation, Child,
Congressman, DerivedM, InternalCertificationAudit, ItalianRestaurant,
M2MChild, MessyBachelorParty, ParkingLot, ParkingLot3, ParkingLot4A,
ParkingLot4B, Person, Place, Politician, Profile, QualityControl,
Restaurant, SelfRefChild, SelfRefParent, Senator, Supplier, TrainStation,
User, Wholesaler,
ArticleWithAuthor,
BachelorParty,
BirthdayParty,
BusStation,
Child,
Congressman,
DerivedM,
InternalCertificationAudit,
ItalianRestaurant,
M2MChild,
MessyBachelorParty,
ParkingLot,
ParkingLot3,
ParkingLot4A,
ParkingLot4B,
Person,
Place,
Politician,
Profile,
QualityControl,
Restaurant,
SelfRefChild,
SelfRefParent,
Senator,
Supplier,
TrainStation,
User,
Wholesaler,
)
@@ -28,7 +50,7 @@ class ModelInheritanceTest(TestCase):
# 'narrow()' API would require a similar approach.
# Create a child-parent-grandparent chain
place1 = Place(name="Guido's House of Pasta", address='944 W. Fullerton')
place1 = Place(name="Guido's House of Pasta", address="944 W. Fullerton")
place1.save_base(raw=True)
restaurant = Restaurant(
place_ptr=place1,
@@ -36,11 +58,13 @@ class ModelInheritanceTest(TestCase):
serves_pizza=False,
)
restaurant.save_base(raw=True)
italian_restaurant = ItalianRestaurant(restaurant_ptr=restaurant, serves_gnocchi=True)
italian_restaurant = ItalianRestaurant(
restaurant_ptr=restaurant, serves_gnocchi=True
)
italian_restaurant.save_base(raw=True)
# Create a child-parent chain with an explicit parent link
place2 = Place(name='Main St', address='111 Main St')
place2 = Place(name="Main St", address="111 Main St")
place2.save_base(raw=True)
park = ParkingLot(parent=place2, capacity=100)
park.save_base(raw=True)
@@ -49,25 +73,37 @@ class ModelInheritanceTest(TestCase):
places = list(Place.objects.all())
self.assertEqual(places, [place1, place2])
dicts = list(Restaurant.objects.values('name', 'serves_hot_dogs'))
self.assertEqual(dicts, [{
'name': "Guido's House of Pasta",
'serves_hot_dogs': True
}])
dicts = list(Restaurant.objects.values("name", "serves_hot_dogs"))
self.assertEqual(
dicts, [{"name": "Guido's House of Pasta", "serves_hot_dogs": True}]
)
dicts = list(ItalianRestaurant.objects.values(
'name', 'serves_hot_dogs', 'serves_gnocchi'))
self.assertEqual(dicts, [{
'name': "Guido's House of Pasta",
'serves_gnocchi': True,
'serves_hot_dogs': True,
}])
dicts = list(
ItalianRestaurant.objects.values(
"name", "serves_hot_dogs", "serves_gnocchi"
)
)
self.assertEqual(
dicts,
[
{
"name": "Guido's House of Pasta",
"serves_gnocchi": True,
"serves_hot_dogs": True,
}
],
)
dicts = list(ParkingLot.objects.values('name', 'capacity'))
self.assertEqual(dicts, [{
'capacity': 100,
'name': 'Main St',
}])
dicts = list(ParkingLot.objects.values("name", "capacity"))
self.assertEqual(
dicts,
[
{
"capacity": 100,
"name": "Main St",
}
],
)
# You can also update objects when using a raw save.
place1.name = "Guido's All New House of Pasta"
@@ -79,7 +115,7 @@ class ModelInheritanceTest(TestCase):
italian_restaurant.serves_gnocchi = False
italian_restaurant.save_base(raw=True)
place2.name = 'Derelict lot'
place2.name = "Derelict lot"
place2.save_base(raw=True)
park.capacity = 50
@@ -88,28 +124,46 @@ class ModelInheritanceTest(TestCase):
# No extra parent objects after an update, either.
places = list(Place.objects.all())
self.assertEqual(places, [place2, place1])
self.assertEqual(places[0].name, 'Derelict lot')
self.assertEqual(places[0].name, "Derelict lot")
self.assertEqual(places[1].name, "Guido's All New House of Pasta")
dicts = list(Restaurant.objects.values('name', 'serves_hot_dogs'))
self.assertEqual(dicts, [{
'name': "Guido's All New House of Pasta",
'serves_hot_dogs': False,
}])
dicts = list(Restaurant.objects.values("name", "serves_hot_dogs"))
self.assertEqual(
dicts,
[
{
"name": "Guido's All New House of Pasta",
"serves_hot_dogs": False,
}
],
)
dicts = list(ItalianRestaurant.objects.values(
'name', 'serves_hot_dogs', 'serves_gnocchi'))
self.assertEqual(dicts, [{
'name': "Guido's All New House of Pasta",
'serves_gnocchi': False,
'serves_hot_dogs': False,
}])
dicts = list(
ItalianRestaurant.objects.values(
"name", "serves_hot_dogs", "serves_gnocchi"
)
)
self.assertEqual(
dicts,
[
{
"name": "Guido's All New House of Pasta",
"serves_gnocchi": False,
"serves_hot_dogs": False,
}
],
)
dicts = list(ParkingLot.objects.values('name', 'capacity'))
self.assertEqual(dicts, [{
'capacity': 50,
'name': 'Derelict lot',
}])
dicts = list(ParkingLot.objects.values("name", "capacity"))
self.assertEqual(
dicts,
[
{
"capacity": 50,
"name": "Derelict lot",
}
],
)
# If you try to raw_save a parent attribute onto a child object,
# the attribute will be ignored.
@@ -119,28 +173,36 @@ class ModelInheritanceTest(TestCase):
# Note that the name has not changed
# - name is an attribute of Place, not ItalianRestaurant
dicts = list(ItalianRestaurant.objects.values(
'name', 'serves_hot_dogs', 'serves_gnocchi'))
self.assertEqual(dicts, [{
'name': "Guido's All New House of Pasta",
'serves_gnocchi': False,
'serves_hot_dogs': False,
}])
dicts = list(
ItalianRestaurant.objects.values(
"name", "serves_hot_dogs", "serves_gnocchi"
)
)
self.assertEqual(
dicts,
[
{
"name": "Guido's All New House of Pasta",
"serves_gnocchi": False,
"serves_hot_dogs": False,
}
],
)
def test_issue_7105(self):
# Regressions tests for #7105: dates() queries should be able to use
# fields from the parent model as easily as the child.
Child.objects.create(
name='child',
created=datetime.datetime(2008, 6, 26, 17, 0, 0))
datetimes = list(Child.objects.datetimes('created', 'month'))
name="child", created=datetime.datetime(2008, 6, 26, 17, 0, 0)
)
datetimes = list(Child.objects.datetimes("created", "month"))
self.assertEqual(datetimes, [datetime.datetime(2008, 6, 1, 0, 0)])
def test_issue_7276(self):
# Regression test for #7276: calling delete() on a model with
# multi-table inheritance should delete the associated rows from any
# ancestor tables, as well as any descendent objects.
place1 = Place(name="Guido's House of Pasta", address='944 W. Fullerton')
place1 = Place(name="Guido's House of Pasta", address="944 W. Fullerton")
place1.save_base(raw=True)
restaurant = Restaurant(
place_ptr=place1,
@@ -148,14 +210,16 @@ class ModelInheritanceTest(TestCase):
serves_pizza=False,
)
restaurant.save_base(raw=True)
italian_restaurant = ItalianRestaurant(restaurant_ptr=restaurant, serves_gnocchi=True)
italian_restaurant = ItalianRestaurant(
restaurant_ptr=restaurant, serves_gnocchi=True
)
italian_restaurant.save_base(raw=True)
ident = ItalianRestaurant.objects.all()[0].id
self.assertEqual(Place.objects.get(pk=ident), place1)
Restaurant.objects.create(
name='a',
address='xx',
name="a",
address="xx",
serves_hot_dogs=True,
serves_pizza=False,
)
@@ -187,7 +251,8 @@ class ModelInheritanceTest(TestCase):
# equivalent of what the admin interface has to do for the edit-inline
# case.
suppliers = Supplier.objects.filter(
restaurant=Restaurant(name='xx', address='yy'))
restaurant=Restaurant(name="xx", address="yy")
)
suppliers = list(suppliers)
self.assertEqual(suppliers, [])
@@ -213,19 +278,22 @@ class ModelInheritanceTest(TestCase):
get_(next/previous)_by_date should work
"""
c1 = ArticleWithAuthor(
headline='ArticleWithAuthor 1',
headline="ArticleWithAuthor 1",
author="Person 1",
pub_date=datetime.datetime(2005, 8, 1, 3, 0))
pub_date=datetime.datetime(2005, 8, 1, 3, 0),
)
c1.save()
c2 = ArticleWithAuthor(
headline='ArticleWithAuthor 2',
headline="ArticleWithAuthor 2",
author="Person 2",
pub_date=datetime.datetime(2005, 8, 1, 10, 0))
pub_date=datetime.datetime(2005, 8, 1, 10, 0),
)
c2.save()
c3 = ArticleWithAuthor(
headline='ArticleWithAuthor 3',
headline="ArticleWithAuthor 3",
author="Person 3",
pub_date=datetime.datetime(2005, 8, 2))
pub_date=datetime.datetime(2005, 8, 2),
)
c3.save()
self.assertEqual(c1.get_next_by_pub_date(), c2)
@@ -251,11 +319,11 @@ class ModelInheritanceTest(TestCase):
# check it here). Regression test for #9390. This necessarily pokes at
# the SQL string for the query, since the duplicate problems are only
# apparent at that late stage.
qs = ArticleWithAuthor.objects.order_by('pub_date', 'pk')
qs = ArticleWithAuthor.objects.order_by("pub_date", "pk")
sql = qs.query.get_compiler(qs.db).as_sql()[0]
fragment = sql[sql.find('ORDER BY'):]
pos = fragment.find('pub_date')
self.assertEqual(fragment.find('pub_date', pos + 1), -1)
fragment = sql[sql.find("ORDER BY") :]
pos = fragment.find("pub_date")
self.assertEqual(fragment.find("pub_date", pos + 1), -1)
def test_queryset_update_on_parent_model(self):
"""
@@ -268,19 +336,23 @@ class ModelInheritanceTest(TestCase):
headline="Hey there!",
pub_date=datetime.datetime(2009, 3, 1, 8, 0, 0),
)
update = ArticleWithAuthor.objects.filter(author='fred').update(headline='Oh, no!')
update = ArticleWithAuthor.objects.filter(author="fred").update(
headline="Oh, no!"
)
self.assertEqual(update, 1)
update = ArticleWithAuthor.objects.filter(pk=article.pk).update(headline='Oh, no!')
update = ArticleWithAuthor.objects.filter(pk=article.pk).update(
headline="Oh, no!"
)
self.assertEqual(update, 1)
derivedm1 = DerivedM.objects.create(
customPK=44,
base_name="b1",
derived_name='d1',
derived_name="d1",
)
self.assertEqual(derivedm1.customPK, 44)
self.assertEqual(derivedm1.base_name, 'b1')
self.assertEqual(derivedm1.derived_name, 'd1')
self.assertEqual(derivedm1.base_name, "b1")
self.assertEqual(derivedm1.derived_name, "d1")
derivedms = list(DerivedM.objects.all())
self.assertEqual(derivedms, [derivedm1])
@@ -296,13 +368,13 @@ class ModelInheritanceTest(TestCase):
self.assertEqual(ParkingLot4A._meta.pk.name, "parent")
ParkingLot4A.objects.create(
name="Parking4A",
address='21 Jump Street',
address="21 Jump Street",
)
self.assertEqual(ParkingLot4B._meta.pk.name, "parent")
ParkingLot4A.objects.create(
name="Parking4B",
address='21 Jump Street',
address="21 Jump Street",
)
def test_all_fields_from_abstract_base_class(self):
@@ -316,21 +388,21 @@ class ModelInheritanceTest(TestCase):
headline="Problems in Django",
pub_date=datetime.datetime.now(),
quality=10,
assignee='adrian',
assignee="adrian",
)
def test_abstract_base_class_m2m_relation_inheritance(self):
# many-to-many relations defined on an abstract base class are
# correctly inherited (and created) on the child class.
p1 = Person.objects.create(name='Alice')
p2 = Person.objects.create(name='Bob')
p3 = Person.objects.create(name='Carol')
p4 = Person.objects.create(name='Dave')
p1 = Person.objects.create(name="Alice")
p2 = Person.objects.create(name="Bob")
p3 = Person.objects.create(name="Carol")
p4 = Person.objects.create(name="Dave")
birthday = BirthdayParty.objects.create(name='Birthday party for Alice')
birthday = BirthdayParty.objects.create(name="Birthday party for Alice")
birthday.attendees.set([p1, p3])
bachelor = BachelorParty.objects.create(name='Bachelor party for Bob')
bachelor = BachelorParty.objects.create(name="Bachelor party for Bob")
bachelor.attendees.set([p2, p4])
parties = list(p1.birthdayparty_set.all())
@@ -344,10 +416,10 @@ class ModelInheritanceTest(TestCase):
# A subclass of a subclass of an abstract model doesn't get its own
# accessor.
self.assertFalse(hasattr(p2, 'messybachelorparty_set'))
self.assertFalse(hasattr(p2, "messybachelorparty_set"))
# ... but it does inherit the m2m from its parent
messy = MessyBachelorParty.objects.create(name='Bachelor party for Dave')
messy = MessyBachelorParty.objects.create(name="Bachelor party for Dave")
messy.attendees.set([p4])
messy_parent = messy.bachelorparty_ptr
@@ -355,7 +427,7 @@ class ModelInheritanceTest(TestCase):
self.assertEqual(parties, [bachelor, messy_parent])
def test_abstract_base_class_m2m_relation_inheritance_manager_reused(self):
p1 = Person.objects.create(name='Alice')
p1 = Person.objects.create(name="Alice")
self.assertIs(p1.birthdayparty_set, p1.birthdayparty_set)
self.assertIs(p1.bachelorparty_set, p1.bachelorparty_set)
@@ -368,24 +440,15 @@ class ModelInheritanceTest(TestCase):
# from an ABC even when there are one or more intermediate
# abstract models in the inheritance chain, for consistency with
# verbose_name.
self.assertEqual(
InternalCertificationAudit._meta.verbose_name_plural,
'Audits'
)
self.assertEqual(InternalCertificationAudit._meta.verbose_name_plural, "Audits")
def test_inherited_nullable_exclude(self):
obj = SelfRefChild.objects.create(child_data=37, parent_data=42)
self.assertQuerysetEqual(
SelfRefParent.objects.exclude(self_data=72), [
obj.pk
],
attrgetter("pk")
SelfRefParent.objects.exclude(self_data=72), [obj.pk], attrgetter("pk")
)
self.assertQuerysetEqual(
SelfRefChild.objects.exclude(self_data=72), [
obj.pk
],
attrgetter("pk")
SelfRefChild.objects.exclude(self_data=72), [obj.pk], attrgetter("pk")
)
def test_concrete_abstract_concrete_pk(self):
@@ -396,12 +459,20 @@ class ModelInheritanceTest(TestCase):
# when more than one model has a concrete->abstract->concrete
# inheritance hierarchy.
self.assertEqual(
len([field for field in BusStation._meta.local_fields if field.primary_key]),
1
len(
[field for field in BusStation._meta.local_fields if field.primary_key]
),
1,
)
self.assertEqual(
len([field for field in TrainStation._meta.local_fields if field.primary_key]),
1
len(
[
field
for field in TrainStation._meta.local_fields
if field.primary_key
]
),
1,
)
self.assertIs(BusStation._meta.pk.model, BusStation)
self.assertIs(TrainStation._meta.pk.model, TrainStation)
@@ -411,43 +482,50 @@ class ModelInheritanceTest(TestCase):
A model which has different primary key for the parent model passes
unique field checking correctly (#17615).
"""
class ProfileForm(forms.ModelForm):
class Meta:
model = Profile
fields = '__all__'
fields = "__all__"
User.objects.create(username="user_only")
p = Profile.objects.create(username="user_with_profile")
form = ProfileForm({'username': "user_with_profile", 'extra': "hello"}, instance=p)
form = ProfileForm(
{"username": "user_with_profile", "extra": "hello"}, instance=p
)
self.assertTrue(form.is_valid())
def test_inheritance_joins(self):
# Test for #17502 - check that filtering through two levels of
# inheritance chain doesn't generate extra joins.
qs = ItalianRestaurant.objects.all()
self.assertEqual(str(qs.query).count('JOIN'), 2)
qs = ItalianRestaurant.objects.filter(name='foo')
self.assertEqual(str(qs.query).count('JOIN'), 2)
self.assertEqual(str(qs.query).count("JOIN"), 2)
qs = ItalianRestaurant.objects.filter(name="foo")
self.assertEqual(str(qs.query).count("JOIN"), 2)
@expectedFailure
def test_inheritance_values_joins(self):
# It would be nice (but not too important) to skip the middle join in
# this case. Skipping is possible as nothing from the middle model is
# used in the qs and top contains direct pointer to the bottom model.
qs = ItalianRestaurant.objects.values_list('serves_gnocchi').filter(name='foo')
self.assertEqual(str(qs.query).count('JOIN'), 1)
qs = ItalianRestaurant.objects.values_list("serves_gnocchi").filter(name="foo")
self.assertEqual(str(qs.query).count("JOIN"), 1)
def test_issue_21554(self):
senator = Senator.objects.create(name='John Doe', title='X', state='Y')
senator = Senator.objects.create(name="John Doe", title="X", state="Y")
senator = Senator.objects.get(pk=senator.pk)
self.assertEqual(senator.name, 'John Doe')
self.assertEqual(senator.title, 'X')
self.assertEqual(senator.state, 'Y')
self.assertEqual(senator.name, "John Doe")
self.assertEqual(senator.title, "X")
self.assertEqual(senator.state, "Y")
def test_inheritance_resolve_columns(self):
Restaurant.objects.create(name='Bobs Cafe', address="Somewhere",
serves_pizza=True, serves_hot_dogs=True)
p = Place.objects.all().select_related('restaurant')[0]
Restaurant.objects.create(
name="Bobs Cafe",
address="Somewhere",
serves_pizza=True,
serves_hot_dogs=True,
)
p = Place.objects.all().select_related("restaurant")[0]
self.assertIsInstance(p.restaurant.serves_pizza, bool)
def test_inheritance_select_related(self):
@@ -462,11 +540,12 @@ class ModelInheritanceTest(TestCase):
Supplier.objects.create(name="Jane", restaurant=r2)
self.assertQuerysetEqual(
Supplier.objects.order_by("name").select_related(), [
Supplier.objects.order_by("name").select_related(),
[
"Jane",
"John",
],
attrgetter("name")
attrgetter("name"),
)
jane = Supplier.objects.order_by("name").select_related("restaurant")[0]
@@ -476,17 +555,19 @@ class ModelInheritanceTest(TestCase):
r = Restaurant.objects.create()
s = Supplier.objects.create(restaurant=r)
# The mismatch between Restaurant and Place is intentional (#28175).
self.assertSequenceEqual(Supplier.objects.filter(restaurant__in=Place.objects.all()), [s])
self.assertSequenceEqual(
Supplier.objects.filter(restaurant__in=Place.objects.all()), [s]
)
def test_ptr_accessor_assigns_state(self):
r = Restaurant.objects.create()
self.assertIs(r.place_ptr._state.adding, False)
self.assertEqual(r.place_ptr._state.db, 'default')
self.assertEqual(r.place_ptr._state.db, "default")
def test_related_filtering_query_efficiency_ticket_15844(self):
r = Restaurant.objects.create(
name="Guido's House of Pasta",
address='944 W. Fullerton',
address="944 W. Fullerton",
serves_hot_dogs=True,
serves_pizza=False,
)
@@ -499,7 +580,7 @@ class ModelInheritanceTest(TestCase):
def test_queries_on_parent_access(self):
italian_restaurant = ItalianRestaurant.objects.create(
name="Guido's House of Pasta",
address='944 W. Fullerton',
address="944 W. Fullerton",
serves_hot_dogs=True,
serves_pizza=False,
serves_gnocchi=True,
@@ -514,7 +595,9 @@ class ModelInheritanceTest(TestCase):
# One query is made when accessing the parent objects when the instance
# is deferred.
italian_restaurant = ItalianRestaurant.objects.only('serves_gnocchi').get(pk=italian_restaurant.pk)
italian_restaurant = ItalianRestaurant.objects.only("serves_gnocchi").get(
pk=italian_restaurant.pk
)
with self.assertNumQueries(1):
restaurant = italian_restaurant.restaurant_ptr
self.assertEqual(restaurant.place_ptr.restaurant, restaurant)
@@ -522,16 +605,18 @@ class ModelInheritanceTest(TestCase):
# No queries are made when accessing the parent objects when the
# instance has deferred a field not present in the parent table.
italian_restaurant = ItalianRestaurant.objects.defer('serves_gnocchi').get(pk=italian_restaurant.pk)
italian_restaurant = ItalianRestaurant.objects.defer("serves_gnocchi").get(
pk=italian_restaurant.pk
)
with self.assertNumQueries(0):
restaurant = italian_restaurant.restaurant_ptr
self.assertEqual(restaurant.place_ptr.restaurant, restaurant)
self.assertEqual(restaurant.italianrestaurant, italian_restaurant)
def test_id_field_update_on_ancestor_change(self):
place1 = Place.objects.create(name='House of Pasta', address='944 Fullerton')
place2 = Place.objects.create(name='House of Pizza', address='954 Fullerton')
place3 = Place.objects.create(name='Burger house', address='964 Fullerton')
place1 = Place.objects.create(name="House of Pasta", address="944 Fullerton")
place2 = Place.objects.create(name="House of Pizza", address="954 Fullerton")
place3 = Place.objects.create(name="Burger house", address="964 Fullerton")
restaurant1 = Restaurant.objects.create(
place_ptr=place1,
serves_hot_dogs=True,
@@ -566,29 +651,29 @@ class ModelInheritanceTest(TestCase):
self.assertIsNone(italian_restaurant.id)
def test_create_new_instance_with_pk_equals_none(self):
p1 = Profile.objects.create(username='john')
p1 = Profile.objects.create(username="john")
p2 = User.objects.get(pk=p1.user_ptr_id).profile
# Create a new profile by setting pk = None.
p2.pk = None
p2.user_ptr_id = None
p2.username = 'bill'
p2.username = "bill"
p2.save()
self.assertEqual(Profile.objects.count(), 2)
self.assertEqual(User.objects.get(pk=p1.user_ptr_id).username, 'john')
self.assertEqual(User.objects.get(pk=p1.user_ptr_id).username, "john")
def test_create_new_instance_with_pk_equals_none_multi_inheritance(self):
c1 = Congressman.objects.create(state='PA', name='John', title='senator 1')
c1 = Congressman.objects.create(state="PA", name="John", title="senator 1")
c2 = Person.objects.get(pk=c1.pk).congressman
# Create a new congressman by setting pk = None.
c2.pk = None
c2.id = None
c2.politician_ptr_id = None
c2.name = 'Bill'
c2.title = 'senator 2'
c2.name = "Bill"
c2.title = "senator 2"
c2.save()
self.assertEqual(Congressman.objects.count(), 2)
self.assertEqual(Person.objects.get(pk=c1.pk).name, 'John')
self.assertEqual(Person.objects.get(pk=c1.pk).name, "John")
self.assertEqual(
Politician.objects.get(pk=c1.politician_ptr_id).title,
'senator 1',
"senator 1",
)