33 lines
937 B
Python
33 lines
937 B
Python
from django.db import models
|
|
from django import forms
|
|
|
|
class Triple(models.Model):
|
|
left = models.IntegerField()
|
|
middle = models.IntegerField()
|
|
right = models.IntegerField()
|
|
|
|
def __unicode__(self):
|
|
return u"%d, %d, %d" % (self.left, self.middle, self.right)
|
|
|
|
class Meta:
|
|
unique_together = (('left', 'middle'), ('middle', 'right'))
|
|
|
|
__test__ = {'API_TESTS': """
|
|
When the same field is involved in multiple unique_together constraints, we
|
|
need to make sure we don't remove the data for it before doing all the
|
|
validation checking (not just failing after the first one).
|
|
|
|
>>> _ = Triple.objects.create(left=1, middle=2, right=3)
|
|
>>> class TripleForm(forms.ModelForm):
|
|
... class Meta:
|
|
... model = Triple
|
|
|
|
>>> form = TripleForm({'left': '1', 'middle': '2', 'right': '3'})
|
|
>>> form.is_valid()
|
|
False
|
|
>>> form = TripleForm({'left': '1', 'middle': '3', 'right': '1'})
|
|
>>> form.is_valid()
|
|
True
|
|
"""}
|
|
|