mirror of
https://github.com/django/django.git
synced 2024-12-23 17:46:27 +00:00
120 lines
4.6 KiB
Python
120 lines
4.6 KiB
Python
import datetime
|
|
|
|
from django.test import TestCase
|
|
|
|
from .models import Person
|
|
|
|
|
|
class RecursiveM2MTests(TestCase):
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
cls.a, cls.b, cls.c, cls.d = [
|
|
Person.objects.create(name=name)
|
|
for name in ['Anne', 'Bill', 'Chuck', 'David']
|
|
]
|
|
cls.a.friends.add(cls.b, cls.c)
|
|
# Add m2m for Anne and Chuck in reverse direction.
|
|
cls.d.friends.add(cls.a, cls.c)
|
|
|
|
def test_recursive_m2m_all(self):
|
|
for person, friends in (
|
|
(self.a, [self.b, self.c, self.d]),
|
|
(self.b, [self.a]),
|
|
(self.c, [self.a, self.d]),
|
|
(self.d, [self.a, self.c]),
|
|
):
|
|
with self.subTest(person=person):
|
|
self.assertSequenceEqual(person.friends.all(), friends)
|
|
|
|
def test_recursive_m2m_reverse_add(self):
|
|
# Add m2m for Anne in reverse direction.
|
|
self.b.friends.add(self.a)
|
|
self.assertSequenceEqual(self.a.friends.all(), [self.b, self.c, self.d])
|
|
self.assertSequenceEqual(self.b.friends.all(), [self.a])
|
|
|
|
def test_recursive_m2m_remove(self):
|
|
self.b.friends.remove(self.a)
|
|
self.assertSequenceEqual(self.a.friends.all(), [self.c, self.d])
|
|
self.assertSequenceEqual(self.b.friends.all(), [])
|
|
|
|
def test_recursive_m2m_clear(self):
|
|
# Clear m2m for Anne.
|
|
self.a.friends.clear()
|
|
self.assertSequenceEqual(self.a.friends.all(), [])
|
|
# Reverse m2m relationships should be removed.
|
|
self.assertSequenceEqual(self.c.friends.all(), [self.d])
|
|
self.assertSequenceEqual(self.d.friends.all(), [self.c])
|
|
|
|
def test_recursive_m2m_add_via_related_name(self):
|
|
# Add m2m with custom related name for Anne in reverse direction.
|
|
self.d.stalkers.add(self.a)
|
|
self.assertSequenceEqual(self.a.idols.all(), [self.d])
|
|
self.assertSequenceEqual(self.a.stalkers.all(), [])
|
|
|
|
def test_recursive_m2m_add_in_both_directions(self):
|
|
# Adding the same relation twice results in a single relation.
|
|
self.a.idols.add(self.d)
|
|
self.d.stalkers.add(self.a)
|
|
self.assertSequenceEqual(self.a.idols.all(), [self.d])
|
|
|
|
def test_recursive_m2m_related_to_self(self):
|
|
self.a.idols.add(self.a)
|
|
self.assertSequenceEqual(self.a.idols.all(), [self.a])
|
|
self.assertSequenceEqual(self.a.stalkers.all(), [self.a])
|
|
|
|
|
|
class RecursiveSymmetricalM2MThroughTests(TestCase):
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
cls.a, cls.b, cls.c, cls.d = [
|
|
Person.objects.create(name=name)
|
|
for name in ['Anne', 'Bill', 'Chuck', 'David']
|
|
]
|
|
cls.a.colleagues.add(cls.b, cls.c, through_defaults={
|
|
'first_meet': datetime.date(2013, 1, 5),
|
|
})
|
|
# Add m2m for Anne and Chuck in reverse direction.
|
|
cls.d.colleagues.add(cls.a, cls.c, through_defaults={
|
|
'first_meet': datetime.date(2015, 6, 15),
|
|
})
|
|
|
|
def test_recursive_m2m_all(self):
|
|
for person, colleagues in (
|
|
(self.a, [self.b, self.c, self.d]),
|
|
(self.b, [self.a]),
|
|
(self.c, [self.a, self.d]),
|
|
(self.d, [self.a, self.c]),
|
|
):
|
|
with self.subTest(person=person):
|
|
self.assertSequenceEqual(person.colleagues.all(), colleagues)
|
|
|
|
def test_recursive_m2m_reverse_add(self):
|
|
# Add m2m for Anne in reverse direction.
|
|
self.b.colleagues.add(self.a, through_defaults={
|
|
'first_meet': datetime.date(2013, 1, 5),
|
|
})
|
|
self.assertSequenceEqual(self.a.colleagues.all(), [self.b, self.c, self.d])
|
|
self.assertSequenceEqual(self.b.colleagues.all(), [self.a])
|
|
|
|
def test_recursive_m2m_remove(self):
|
|
self.b.colleagues.remove(self.a)
|
|
self.assertSequenceEqual(self.a.colleagues.all(), [self.c, self.d])
|
|
self.assertSequenceEqual(self.b.colleagues.all(), [])
|
|
|
|
def test_recursive_m2m_clear(self):
|
|
# Clear m2m for Anne.
|
|
self.a.colleagues.clear()
|
|
self.assertSequenceEqual(self.a.friends.all(), [])
|
|
# Reverse m2m relationships is removed.
|
|
self.assertSequenceEqual(self.c.colleagues.all(), [self.d])
|
|
self.assertSequenceEqual(self.d.colleagues.all(), [self.c])
|
|
|
|
def test_recursive_m2m_set(self):
|
|
# Set new relationships for Chuck.
|
|
self.c.colleagues.set([self.b, self.d], through_defaults={
|
|
'first_meet': datetime.date(2013, 1, 5),
|
|
})
|
|
self.assertSequenceEqual(self.c.colleagues.order_by('name'), [self.b, self.d])
|
|
# Reverse m2m relationships is removed.
|
|
self.assertSequenceEqual(self.a.colleagues.order_by('name'), [self.b, self.d])
|