thirdparty/google_appengine/lib/django/tests/modeltests/validation/models.py
author Lennard de Rijk <ljvderijk@gmail.com>
Thu, 06 Aug 2009 10:48:44 +0200
changeset 2734 f35f6f05c8c4
parent 109 620f9b141567
permissions -rwxr-xr-x
Added and enabled new access check for viewing ProjectSurvey records. Org Admins, project Mentors and project Students are now allowed to see their own ProjectSurveyRecords. Note however that Students and Mentors have no interface yet to find the whereabouts of their records. Fixes Issue 659.

"""
31. Validation

This is an experimental feature!

Each model instance has a validate() method that returns a dictionary of
validation errors in the instance's fields. This method has a side effect
of converting each field to its appropriate Python data type.
"""

from django.db import models

class Person(models.Model):
    is_child = models.BooleanField()
    name = models.CharField(maxlength=20)
    birthdate = models.DateField()
    favorite_moment = models.DateTimeField()
    email = models.EmailField()

    def __str__(self):
        return self.name

__test__ = {'API_TESTS':"""

>>> import datetime
>>> valid_params = {
...     'is_child': True,
...     'name': 'John',
...     'birthdate': datetime.date(2000, 5, 3),
...     'favorite_moment': datetime.datetime(2002, 4, 3, 13, 23),
...     'email': 'john@example.com'
... }
>>> p = Person(**valid_params)
>>> p.validate()
{}

>>> p = Person(**dict(valid_params, id='23'))
>>> p.validate()
{}
>>> p.id
23

>>> p = Person(**dict(valid_params, id='foo'))
>>> p.validate()
{'id': ['This value must be an integer.']}

>>> p = Person(**dict(valid_params, id=None))
>>> p.validate()
{}
>>> repr(p.id)
'None'

>>> p = Person(**dict(valid_params, is_child='t'))
>>> p.validate()
{}
>>> p.is_child
True

>>> p = Person(**dict(valid_params, is_child='f'))
>>> p.validate()
{}
>>> p.is_child
False

>>> p = Person(**dict(valid_params, is_child=True))
>>> p.validate()
{}
>>> p.is_child
True

>>> p = Person(**dict(valid_params, is_child=False))
>>> p.validate()
{}
>>> p.is_child
False

>>> p = Person(**dict(valid_params, is_child='foo'))
>>> p.validate()
{'is_child': ['This value must be either True or False.']}

>>> p = Person(**dict(valid_params, name=u'Jose'))
>>> p.validate()
{}
>>> p.name
u'Jose'

>>> p = Person(**dict(valid_params, name=227))
>>> p.validate()
{}
>>> p.name
'227'

>>> p = Person(**dict(valid_params, birthdate=datetime.date(2000, 5, 3)))
>>> p.validate()
{}
>>> p.birthdate
datetime.date(2000, 5, 3)

>>> p = Person(**dict(valid_params, birthdate=datetime.datetime(2000, 5, 3)))
>>> p.validate()
{}
>>> p.birthdate
datetime.date(2000, 5, 3)

>>> p = Person(**dict(valid_params, birthdate='2000-05-03'))
>>> p.validate()
{}
>>> p.birthdate
datetime.date(2000, 5, 3)

>>> p = Person(**dict(valid_params, birthdate='2000-5-3'))
>>> p.validate()
{}
>>> p.birthdate
datetime.date(2000, 5, 3)

>>> p = Person(**dict(valid_params, birthdate='foo'))
>>> p.validate()
{'birthdate': ['Enter a valid date in YYYY-MM-DD format.']}

>>> p = Person(**dict(valid_params, favorite_moment=datetime.datetime(2002, 4, 3, 13, 23)))
>>> p.validate()
{}
>>> p.favorite_moment
datetime.datetime(2002, 4, 3, 13, 23)

>>> p = Person(**dict(valid_params, favorite_moment=datetime.datetime(2002, 4, 3)))
>>> p.validate()
{}
>>> p.favorite_moment
datetime.datetime(2002, 4, 3, 0, 0)

>>> p = Person(**dict(valid_params, email='john@example.com'))
>>> p.validate()
{}
>>> p.email
'john@example.com'

>>> p = Person(**dict(valid_params, email=u'john@example.com'))
>>> p.validate()
{}
>>> p.email
u'john@example.com'

>>> p = Person(**dict(valid_params, email=22))
>>> p.validate()
{'email': ['Enter a valid e-mail address.']}

# Make sure that Date and DateTime return validation errors and don't raise Python errors.
>>> Person(name='John Doe', is_child=True, email='abc@def.com').validate()
{'favorite_moment': ['This field is required.'], 'birthdate': ['This field is required.']}

"""}