Do not rely on dicts.merge to change target
Also make dicts.merge actually not touch target. This is much cleaner
than modifying in place, especially since we assign the result of the
dicts.merge call to target most of the time anyway.
Patch by: Sverre Rabbelier
BASIC_TESTS = """
>>> from django.contrib.auth.models import User, AnonymousUser
>>> u = User.objects.create_user('testuser', 'test@example.com', 'testpw')
>>> u.has_usable_password()
True
>>> u.check_password('bad')
False
>>> u.check_password('testpw')
True
>>> u.set_unusable_password()
>>> u.save()
>>> u.check_password('testpw')
False
>>> u.has_usable_password()
False
>>> u2 = User.objects.create_user('testuser2', 'test2@example.com')
>>> u2.has_usable_password()
False
>>> u.is_authenticated()
True
>>> u.is_staff
False
>>> u.is_active
True
>>> a = AnonymousUser()
>>> a.is_authenticated()
False
>>> a.is_staff
False
>>> a.is_active
False
>>> a.groups.all()
[]
>>> a.user_permissions.all()
[]
#
# Tests for createsuperuser management command.
# It's nearly impossible to test the interactive mode -- a command test helper
# would be needed (and *awesome*) -- so just test the non-interactive mode.
# This covers most of the important validation, but not all.
#
>>> from django.core.management import call_command
>>> call_command("createsuperuser", noinput=True, username="joe", email="joe@somewhere.org")
Superuser created successfully.
>>> u = User.objects.get(username="joe")
>>> u.email
u'joe@somewhere.org'
>>> u.password
u'!'
"""