Commit b12428de authored by Russell Keith-Magee's avatar Russell Keith-Magee
Browse files

[1.2.X] Migrated m2o_recursive and m2o_recursive2 tests, merging them into a...

[1.2.X] Migrated m2o_recursive and m2o_recursive2 tests, merging them into a single package. Thanks to George Sakkis for the patches.

Backport of r14163 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14169 bcc190cf-cafb-0310-a4f2-bffc1f526a37
parent d327611b
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+7 −19
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@@ -19,22 +19,10 @@ class Category(models.Model):
    def __unicode__(self):
        return self.name

__test__ = {'API_TESTS':"""
# Create a few Category objects.
>>> r = Category(id=None, name='Root category', parent=None)
>>> r.save()
>>> c = Category(id=None, name='Child category', parent=r)
>>> c.save()

>>> r.child_set.all()
[<Category: Child category>]
>>> r.child_set.get(name__startswith='Child')
<Category: Child category>
>>> print r.parent
None

>>> c.child_set.all()
[]
>>> c.parent
<Category: Root category>
"""}
class Person(models.Model):
    full_name = models.CharField(max_length=20)
    mother = models.ForeignKey('self', null=True, related_name='mothers_child_set')
    father = models.ForeignKey('self', null=True, related_name='fathers_child_set')

    def __unicode__(self):
        return self.full_name
+38 −0
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from django.test import TestCase
from models import Category, Person

class ManyToOneRecursiveTests(TestCase):

    def setUp(self):
        self.r = Category(id=None, name='Root category', parent=None)
        self.r.save()
        self.c = Category(id=None, name='Child category', parent=self.r)
        self.c.save()

    def test_m2o_recursive(self):
        self.assertQuerysetEqual(self.r.child_set.all(),
                                 ['<Category: Child category>'])
        self.assertEqual(self.r.child_set.get(name__startswith='Child').id, self.c.id)
        self.assertEqual(self.r.parent, None)
        self.assertQuerysetEqual(self.c.child_set.all(), [])
        self.assertEqual(self.c.parent.id, self.r.id)

class MultipleManyToOneRecursiveTests(TestCase):

    def setUp(self):
        self.dad = Person(full_name='John Smith Senior', mother=None, father=None)
        self.dad.save()
        self.mom = Person(full_name='Jane Smith', mother=None, father=None)
        self.mom.save()
        self.kid = Person(full_name='John Smith Junior', mother=self.mom, father=self.dad)
        self.kid.save()

    def test_m2o_recursive2(self):
        self.assertEqual(self.kid.mother.id, self.mom.id)
        self.assertEqual(self.kid.father.id, self.dad.id)
        self.assertQuerysetEqual(self.dad.fathers_child_set.all(),
                                 ['<Person: John Smith Junior>'])
        self.assertQuerysetEqual(self.mom.mothers_child_set.all(),
                                 ['<Person: John Smith Junior>'])
        self.assertQuerysetEqual(self.kid.mothers_child_set.all(), [])
        self.assertQuerysetEqual(self.kid.fathers_child_set.all(), [])
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"""
12. Relating a model to another model more than once

In this example, a ``Person`` can have a ``mother`` and ``father`` -- both of
which are other ``Person`` objects.

Set ``related_name`` to designate what the reverse relationship is called.
"""

from django.db import models

class Person(models.Model):
    full_name = models.CharField(max_length=20)
    mother = models.ForeignKey('self', null=True, related_name='mothers_child_set')
    father = models.ForeignKey('self', null=True, related_name='fathers_child_set')

    def __unicode__(self):
        return self.full_name

__test__ = {'API_TESTS':"""
# Create two Person objects -- the mom and dad in our family.
>>> dad = Person(full_name='John Smith Senior', mother=None, father=None)
>>> dad.save()
>>> mom = Person(full_name='Jane Smith', mother=None, father=None)
>>> mom.save()

# Give mom and dad a kid.
>>> kid = Person(full_name='John Smith Junior', mother=mom, father=dad)
>>> kid.save()

>>> kid.mother
<Person: Jane Smith>
>>> kid.father
<Person: John Smith Senior>
>>> dad.fathers_child_set.all()
[<Person: John Smith Junior>]
>>> mom.mothers_child_set.all()
[<Person: John Smith Junior>]
>>> kid.mothers_child_set.all()
[]
>>> kid.fathers_child_set.all()
[]
"""}