django/tests/modeltests/manipulators/models.py

"""
25. Default manipulators
"""

from django.db import models

class Musician(models.Model):
    first_name = models.CharField(maxlength=30)
    last_name = models.CharField(maxlength=30)

    def __repr__(self):
        return "%s %s" % (self.first_name, self.last_name)

class Album(models.Model):
    name = models.CharField(maxlength=100)
    musician = models.ForeignKey(Musician)

    def __repr__(self):
        return self.name

API_TESTS = """
>>> from django.utils.datastructures import MultiValueDict

# Create a Musician object via the default AddManipulator.
>>> man = Musician.AddManipulator()
>>> data = MultiValueDict({'first_name': ['Ella'], 'last_name': ['Fitzgerald']})

>>> man.get_validation_errors(data)
{}
>>> man.do_html2python(data)
>>> m1 = man.save(data)

# Verify it worked.
>>> Musician.objects.get_list()
[Ella Fitzgerald]
>>> [m1] == Musician.objects.get_list()
True

# Attempt to add a Musician without a first_name.
>>> man.get_validation_errors(MultiValueDict({'last_name': ['Blakey']}))
{'first_name': ['This field is required.']}

# Attempt to add a Musician without a first_name and last_name.
>>> man.get_validation_errors(MultiValueDict({}))
{'first_name': ['This field is required.'], 'last_name': ['This field is required.']}

# Attempt to create an Album without a name or musician.
>>> man = Album.AddManipulator()

# >>> man.get_validation_errors(MultiValueDict({}))
# {'musician': ['This field is required.'], 'name': ['This field is required.']}

# Attempt to create an Album with an invalid musician.
>>> man.get_validation_errors(MultiValueDict({'name': ['Sallies Fforth'], 'musician': ['foo']}))
{'musician': ["Select a valid choice; 'foo' is not in ['', '1']."]}

"""