Deleted a block of test code that got duplicated in applying a patch.

[<User: frank>]

"""}

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from django.db import models

from datetime import datetime

from django.contrib.auth.models import User

# Forward declared intermediate model

class Membership(models.Model):

    person = models.ForeignKey('Person')

    group = models.ForeignKey('Group')

    date_joined = models.DateTimeField(default=datetime.now)

    def __unicode__(self):

        return "%s is a member of %s" % (self.person.name, self.group.name)

class UserMembership(models.Model):

    user = models.ForeignKey(User)

    group = models.ForeignKey('Group')

    date_joined = models.DateTimeField(default=datetime.now)

    def __unicode__(self):

        return "%s is a user and member of %s" % (self.user.username, self.group.name)

class Person(models.Model):

    name = models.CharField(max_length=128)

    def __unicode__(self):

        return self.name

class Group(models.Model):

    name = models.CharField(max_length=128)

    # Membership object defined as a class

    members = models.ManyToManyField(Person, through=Membership)

    user_members = models.ManyToManyField(User, through='UserMembership')

    def __unicode__(self):

        return self.name

__test__ = {'API_TESTS':"""

# Create some dummy data

>>> bob = Person.objects.create(name='Bob')

>>> jim = Person.objects.create(name='Jim')

>>> rock = Group.objects.create(name='Rock')

>>> roll = Group.objects.create(name='Roll')

>>> frank = User.objects.create_user('frank','frank@example.com','password')

>>> jane = User.objects.create_user('jane','jane@example.com','password')

# Now test that the forward declared Membership works 

>>> Membership.objects.create(person=bob, group=rock)

<Membership: Bob is a member of Rock>

>>> Membership.objects.create(person=bob, group=roll)

<Membership: Bob is a member of Roll>

>>> Membership.objects.create(person=jim, group=rock)

<Membership: Jim is a member of Rock>

>>> bob.group_set.all()

[<Group: Rock>, <Group: Roll>]

>>> roll.members.all()

[<Person: Bob>]

# Error messages use the model name, not repr of the class name

>>> bob.group_set = []

Traceback (most recent call last):

...

AttributeError: Cannot set values on a ManyToManyField which specifies an intermediary model.  Use Membership's Manager instead.

>>> roll.members = []

Traceback (most recent call last):

...

AttributeError: Cannot set values on a ManyToManyField which specifies an intermediary model.  Use Membership's Manager instead.

>>> rock.members.create(name='Anne')

Traceback (most recent call last):

...

AttributeError: Cannot use create() on a ManyToManyField which specifies an intermediary model.  Use Membership's Manager instead.

>>> bob.group_set.create(name='Funk')

Traceback (most recent call last):

...

AttributeError: Cannot use create() on a ManyToManyField which specifies an intermediary model.  Use Membership's Manager instead.

# Now test that the intermediate with a relationship outside 

# the current app (i.e., UserMembership) workds

>>> UserMembership.objects.create(user=frank, group=rock)

<UserMembership: frank is a user and member of Rock>

>>> UserMembership.objects.create(user=frank, group=roll)

<UserMembership: frank is a user and member of Roll>

>>> UserMembership.objects.create(user=jane, group=rock)

<UserMembership: jane is a user and member of Rock>

>>> frank.group_set.all()

[<Group: Rock>, <Group: Roll>]

>>> roll.user_members.all()

[<User: frank>]

"""}

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