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git-svn-id: http://code.djangoproject.com/svn/django/trunk@5803 bcc190cf-cafb-0310-a4f2-bffc1f526a37
92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
"""
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27. Default manipulators
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Each model gets an AddManipulator and ChangeManipulator by default.
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"""
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from django.db import models
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class Musician(models.Model):
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first_name = models.CharField(max_length=30)
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last_name = models.CharField(max_length=30)
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def __unicode__(self):
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return u"%s %s" % (self.first_name, self.last_name)
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class Album(models.Model):
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name = models.CharField(max_length=100)
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musician = models.ForeignKey(Musician)
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release_date = models.DateField(blank=True, null=True)
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def __unicode__(self):
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return self.name
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__test__ = {'API_TESTS':"""
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>>> from django.utils.datastructures import MultiValueDict
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# Create a Musician object via the default AddManipulator.
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>>> man = Musician.AddManipulator()
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>>> data = MultiValueDict({'first_name': ['Ella'], 'last_name': ['Fitzgerald']})
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>>> man.get_validation_errors(data)
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{}
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>>> man.do_html2python(data)
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>>> m1 = man.save(data)
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# Verify it worked.
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>>> Musician.objects.all()
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[<Musician: Ella Fitzgerald>]
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>>> [m1] == list(Musician.objects.all())
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True
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# Attempt to add a Musician without a first_name.
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>>> man.get_validation_errors(MultiValueDict({'last_name': ['Blakey']}))
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{'first_name': [u'This field is required.']}
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# Attempt to add a Musician without a first_name and last_name.
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>>> man.get_validation_errors(MultiValueDict({}))
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{'first_name': [u'This field is required.'], 'last_name': [u'This field is required.']}
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# Attempt to create an Album without a name or musician.
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>>> man = Album.AddManipulator()
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>>> man.get_validation_errors(MultiValueDict({}))
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{'musician': [u'This field is required.'], 'name': [u'This field is required.']}
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# Attempt to create an Album with an invalid musician.
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>>> man.get_validation_errors(MultiValueDict({'name': ['Sallies Fforth'], 'musician': ['foo']}))
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{'musician': [u"Select a valid choice; 'foo' is not in [u'', u'1']."]}
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# Attempt to create an Album with an invalid release_date.
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>>> man.get_validation_errors(MultiValueDict({'name': ['Sallies Fforth'], 'musician': ['1'], 'release_date': 'today'}))
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{'release_date': [u'Enter a valid date in YYYY-MM-DD format.']}
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# Create an Album without a release_date (because it's optional).
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>>> data = MultiValueDict({'name': ['Ella and Basie'], 'musician': ['1']})
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>>> man.get_validation_errors(data)
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{}
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>>> man.do_html2python(data)
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>>> a1 = man.save(data)
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# Verify it worked.
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>>> Album.objects.all()
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[<Album: Ella and Basie>]
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>>> Album.objects.get().musician
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<Musician: Ella Fitzgerald>
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# Create an Album with a release_date.
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>>> data = MultiValueDict({'name': ['Ultimate Ella'], 'musician': ['1'], 'release_date': ['2005-02-13']})
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>>> man.get_validation_errors(data)
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{}
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>>> man.do_html2python(data)
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>>> a2 = man.save(data)
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# Verify it worked.
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>>> Album.objects.order_by('name')
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[<Album: Ella and Basie>, <Album: Ultimate Ella>]
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>>> a2 = Album.objects.get(pk=2)
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>>> a2
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<Album: Ultimate Ella>
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>>> a2.release_date
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datetime.date(2005, 2, 13)
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"""}
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