Fixed #12881: Corrected handling of inherited unique constraints. Thanks for report fgaudin.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@12797 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Karen Tracey
parent
883329ecb3
commit
47a822207f
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@ -707,37 +707,50 @@ class Model(object):
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if exclude is None:
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exclude = []
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unique_checks = []
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for check in self._meta.unique_together:
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for name in check:
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# If this is an excluded field, don't add this check.
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if name in exclude:
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break
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else:
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unique_checks.append(tuple(check))
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unique_togethers = [(self.__class__, self._meta.unique_together)]
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for parent_class in self._meta.parents.keys():
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if parent_class._meta.unique_together:
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unique_togethers.append((parent_class, parent_class._meta.unique_together))
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for model_class, unique_together in unique_togethers:
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for check in unique_together:
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for name in check:
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# If this is an excluded field, don't add this check.
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if name in exclude:
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break
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else:
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unique_checks.append((model_class, tuple(check)))
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# These are checks for the unique_for_<date/year/month>.
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date_checks = []
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# Gather a list of checks for fields declared as unique and add them to
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# the list of checks.
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for f in self._meta.fields:
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name = f.name
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if name in exclude:
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continue
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if f.unique:
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unique_checks.append((name,))
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if f.unique_for_date:
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date_checks.append(('date', name, f.unique_for_date))
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if f.unique_for_year:
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date_checks.append(('year', name, f.unique_for_year))
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if f.unique_for_month:
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date_checks.append(('month', name, f.unique_for_month))
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fields_with_class = [(self.__class__, self._meta.local_fields)]
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for parent_class in self._meta.parents.keys():
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fields_with_class.append((parent_class, parent_class._meta.local_fields))
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for model_class, fields in fields_with_class:
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for f in fields:
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name = f.name
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if name in exclude:
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continue
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if f.unique:
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unique_checks.append((model_class, (name,)))
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if f.unique_for_date:
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date_checks.append((model_class, 'date', name, f.unique_for_date))
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if f.unique_for_year:
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date_checks.append((model_class, 'year', name, f.unique_for_year))
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if f.unique_for_month:
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date_checks.append((model_class, 'month', name, f.unique_for_month))
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return unique_checks, date_checks
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def _perform_unique_checks(self, unique_checks):
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errors = {}
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for unique_check in unique_checks:
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for model_class, unique_check in unique_checks:
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# Try to look up an existing object with the same values as this
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# object's values for all the unique field.
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@ -757,7 +770,7 @@ class Model(object):
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if len(unique_check) != len(lookup_kwargs.keys()):
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continue
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qs = self.__class__._default_manager.filter(**lookup_kwargs)
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qs = model_class._default_manager.filter(**lookup_kwargs)
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# Exclude the current object from the query if we are editing an
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# instance (as opposed to creating a new one)
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@ -769,13 +782,13 @@ class Model(object):
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key = unique_check[0]
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else:
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key = NON_FIELD_ERRORS
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errors.setdefault(key, []).append(self.unique_error_message(unique_check))
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errors.setdefault(key, []).append(self.unique_error_message(model_class, unique_check))
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return errors
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def _perform_date_checks(self, date_checks):
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errors = {}
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for lookup_type, field, unique_for in date_checks:
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for model_class, lookup_type, field, unique_for in date_checks:
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lookup_kwargs = {}
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# there's a ticket to add a date lookup, we can remove this special
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# case if that makes it's way in
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@ -788,7 +801,7 @@ class Model(object):
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lookup_kwargs['%s__%s' % (unique_for, lookup_type)] = getattr(date, lookup_type)
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lookup_kwargs[field] = getattr(self, field)
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qs = self.__class__._default_manager.filter(**lookup_kwargs)
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qs = model_class._default_manager.filter(**lookup_kwargs)
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# Exclude the current object from the query if we are editing an
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# instance (as opposed to creating a new one)
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if not getattr(self, '_adding', False) and self.pk is not None:
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@ -808,8 +821,8 @@ class Model(object):
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'lookup': lookup_type,
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}
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def unique_error_message(self, unique_check):
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opts = self._meta
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def unique_error_message(self, model_class, unique_check):
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opts = model_class._meta
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model_name = capfirst(opts.verbose_name)
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# A unique field
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@ -488,7 +488,7 @@ class BaseModelFormSet(BaseFormSet):
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errors = []
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# Do each of the unique checks (unique and unique_together)
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for unique_check in all_unique_checks:
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for uclass, unique_check in all_unique_checks:
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seen_data = set()
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for form in self.forms:
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# if the form doesn't have cleaned_data then we ignore it,
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@ -512,7 +512,7 @@ class BaseModelFormSet(BaseFormSet):
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# iterate over each of the date checks now
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for date_check in all_date_checks:
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seen_data = set()
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lookup, field, unique_for = date_check
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uclass, lookup, field, unique_for = date_check
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for form in self.forms:
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# if the form doesn't have cleaned_data then we ignore it,
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# it's already invalid
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@ -556,9 +556,9 @@ class BaseModelFormSet(BaseFormSet):
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def get_date_error_message(self, date_check):
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return ugettext("Please correct the duplicate data for %(field_name)s "
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"which must be unique for the %(lookup)s in %(date_field)s.") % {
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'field_name': date_check[1],
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'date_field': date_check[2],
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'lookup': unicode(date_check[0]),
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'field_name': date_check[2],
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'date_field': date_check[3],
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'lookup': unicode(date_check[1]),
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}
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def get_form_error(self):
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@ -0,0 +1,32 @@
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from django.forms import ModelForm
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from models import Product, Price, Book, DerivedBook, ExplicitPK, Post, DerivedPost
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class ProductForm(ModelForm):
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class Meta:
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model = Product
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class PriceForm(ModelForm):
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class Meta:
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model = Price
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class BookForm(ModelForm):
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class Meta:
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model = Book
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class DerivedBookForm(ModelForm):
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class Meta:
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model = DerivedBook
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class ExplicitPKForm(ModelForm):
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class Meta:
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model = ExplicitPK
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fields = ('key', 'desc',)
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class PostForm(ModelForm):
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class Meta:
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model = Post
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class DerivedPostForm(ModelForm):
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class Meta:
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model = DerivedPost
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@ -181,6 +181,18 @@ class Book(models.Model):
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class Meta:
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unique_together = ('title', 'author')
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class BookXtra(models.Model):
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isbn = models.CharField(max_length=16, unique=True)
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suffix1 = models.IntegerField(blank=True, default=0)
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suffix2 = models.IntegerField(blank=True, default=0)
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class Meta:
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unique_together = (('suffix1', 'suffix2'))
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abstract = True
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class DerivedBook(Book, BookXtra):
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pass
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class ExplicitPK(models.Model):
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key = models.CharField(max_length=20, primary_key=True)
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desc = models.CharField(max_length=20, blank=True, unique=True)
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@ -199,6 +211,9 @@ class Post(models.Model):
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def __unicode__(self):
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return self.name
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class DerivedPost(Post):
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pass
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class BigInt(models.Model):
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biggie = models.BigIntegerField()
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@ -1424,41 +1439,6 @@ True
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>>> f.cleaned_data
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{'field': u'1'}
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# unique/unique_together validation
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>>> class ProductForm(ModelForm):
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... class Meta:
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... model = Product
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>>> form = ProductForm({'slug': 'teddy-bear-blue'})
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>>> form.is_valid()
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True
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>>> obj = form.save()
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>>> obj
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<Product: teddy-bear-blue>
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>>> form = ProductForm({'slug': 'teddy-bear-blue'})
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>>> form.is_valid()
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False
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>>> form._errors
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{'slug': [u'Product with this Slug already exists.']}
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>>> form = ProductForm({'slug': 'teddy-bear-blue'}, instance=obj)
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>>> form.is_valid()
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True
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# ModelForm test of unique_together constraint
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>>> class PriceForm(ModelForm):
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... class Meta:
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... model = Price
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>>> form = PriceForm({'price': '6.00', 'quantity': '1'})
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>>> form.is_valid()
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True
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>>> form.save()
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<Price: 1 for 6.00>
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>>> form = PriceForm({'price': '6.00', 'quantity': '1'})
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>>> form.is_valid()
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False
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>>> form._errors
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{'__all__': [u'Price with this Price and Quantity already exists.']}
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This Price instance generated by this form is not valid because the quantity
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field is required, but the form is valid because the field is excluded from
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the form. This is for backwards compatibility.
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@ -1495,51 +1475,6 @@ True
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>>> form.instance.pk is None
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True
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# Unique & unique together with null values
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>>> class BookForm(ModelForm):
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... class Meta:
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... model = Book
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>>> w = Writer.objects.get(name='Mike Royko')
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>>> form = BookForm({'title': 'I May Be Wrong But I Doubt It', 'author' : w.pk})
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>>> form.is_valid()
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True
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>>> form.save()
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<Book: Book object>
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>>> form = BookForm({'title': 'I May Be Wrong But I Doubt It', 'author' : w.pk})
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>>> form.is_valid()
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False
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>>> form._errors
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{'__all__': [u'Book with this Title and Author already exists.']}
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>>> form = BookForm({'title': 'I May Be Wrong But I Doubt It'})
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>>> form.is_valid()
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True
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>>> form.save()
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<Book: Book object>
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>>> form = BookForm({'title': 'I May Be Wrong But I Doubt It'})
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>>> form.is_valid()
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True
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# Test for primary_key being in the form and failing validation.
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>>> class ExplicitPKForm(ModelForm):
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... class Meta:
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... model = ExplicitPK
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... fields = ('key', 'desc',)
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>>> form = ExplicitPKForm({'key': u'', 'desc': u'' })
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>>> form.is_valid()
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False
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# Ensure keys and blank character strings are tested for uniqueness.
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>>> form = ExplicitPKForm({'key': u'key1', 'desc': u''})
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>>> form.is_valid()
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True
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>>> form.save()
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<ExplicitPK: key1>
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>>> form = ExplicitPKForm({'key': u'key1', 'desc': u''})
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>>> form.is_valid()
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False
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>>> sorted(form.errors.items())
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[('__all__', [u'Explicit pk with this Key and Desc already exists.']), ('desc', [u'Explicit pk with this Desc already exists.']), ('key', [u'Explicit pk with this Key already exists.'])]
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# Choices on CharField and IntegerField
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>>> class ArticleForm(ModelForm):
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... class Meta:
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@ -1605,38 +1540,6 @@ ValidationError: [u'Select a valid choice. z is not one of the available choices
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<tr><th><label for="id_description">Description:</label></th><td><input type="text" name="description" id="id_description" /></td></tr>
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<tr><th><label for="id_url">The URL:</label></th><td><input id="id_url" type="text" name="url" maxlength="40" /></td></tr>
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### Validation on unique_for_date
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>>> p = Post.objects.create(title="Django 1.0 is released", slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
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>>> class PostForm(ModelForm):
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... class Meta:
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... model = Post
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>>> f = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
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>>> f.is_valid()
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False
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>>> f.errors
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{'title': [u'Title must be unique for Posted date.']}
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>>> f = PostForm({'title': "Work on Django 1.1 begins", 'posted': '2008-09-03'})
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>>> f.is_valid()
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True
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>>> f = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-04'})
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>>> f.is_valid()
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True
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>>> f = PostForm({'slug': "Django 1.0", 'posted': '2008-01-01'})
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>>> f.is_valid()
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False
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>>> f.errors
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{'slug': [u'Slug must be unique for Posted year.']}
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>>> f = PostForm({'subtitle': "Finally", 'posted': '2008-09-30'})
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>>> f.is_valid()
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False
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>>> f.errors
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{'subtitle': [u'Subtitle must be unique for Posted month.']}
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>>> f = PostForm({'subtitle': "Finally", "title": "Django 1.0 is released", "slug": "Django 1.0", 'posted': '2008-09-03'}, instance=p)
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>>> f.is_valid()
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True
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# Clean up
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>>> import shutil
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>>> shutil.rmtree(temp_storage_dir)
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@ -1,6 +1,8 @@
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import datetime
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from django.test import TestCase
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from django import forms
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from models import Category
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from models import Category, Writer, Book, DerivedBook, Post
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from mforms import ProductForm, PriceForm, BookForm, DerivedBookForm, ExplicitPKForm, PostForm, DerivedPostForm
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class IncompleteCategoryFormWithFields(forms.ModelForm):
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@ -35,3 +37,140 @@ class ValidationTest(TestCase):
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form = IncompleteCategoryFormWithExclude(data={'name': 'some name', 'slug': 'some-slug'})
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assert form.is_valid()
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# unique/unique_together validation
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class UniqueTest(TestCase):
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def setUp(self):
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self.writer = Writer.objects.create(name='Mike Royko')
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def test_simple_unique(self):
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form = ProductForm({'slug': 'teddy-bear-blue'})
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self.assertTrue(form.is_valid())
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obj = form.save()
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form = ProductForm({'slug': 'teddy-bear-blue'})
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['slug'], [u'Product with this Slug already exists.'])
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form = ProductForm({'slug': 'teddy-bear-blue'}, instance=obj)
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self.assertTrue(form.is_valid())
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def test_unique_together(self):
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"""ModelForm test of unique_together constraint"""
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form = PriceForm({'price': '6.00', 'quantity': '1'})
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self.assertTrue(form.is_valid())
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form.save()
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form = PriceForm({'price': '6.00', 'quantity': '1'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['__all__'], [u'Price with this Price and Quantity already exists.'])
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def test_unique_null(self):
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title = 'I May Be Wrong But I Doubt It'
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form = BookForm({'title': title, 'author': self.writer.pk})
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self.assertTrue(form.is_valid())
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form.save()
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form = BookForm({'title': title, 'author': self.writer.pk})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['__all__'], [u'Book with this Title and Author already exists.'])
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form = BookForm({'title': title})
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self.assertTrue(form.is_valid())
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form.save()
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form = BookForm({'title': title})
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self.assertTrue(form.is_valid())
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def test_inherited_unique(self):
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title = 'Boss'
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Book.objects.create(title=title, author=self.writer, special_id=1)
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form = DerivedBookForm({'title': 'Other', 'author': self.writer.pk, 'special_id': u'1', 'isbn': '12345'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['special_id'], [u'Book with this Special id already exists.'])
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def test_inherited_unique_together(self):
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title = 'Boss'
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form = BookForm({'title': title, 'author': self.writer.pk})
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self.assertTrue(form.is_valid())
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form.save()
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form = DerivedBookForm({'title': title, 'author': self.writer.pk, 'isbn': '12345'})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['__all__'], [u'Book with this Title and Author already exists.'])
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def test_abstract_inherited_unique(self):
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title = 'Boss'
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isbn = '12345'
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dbook = DerivedBook.objects.create(title=title, author=self.writer, isbn=isbn)
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form = DerivedBookForm({'title': 'Other', 'author': self.writer.pk, 'isbn': isbn})
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self.assertFalse(form.is_valid())
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self.assertEqual(len(form.errors), 1)
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self.assertEqual(form.errors['isbn'], [u'Derived book with this Isbn already exists.'])
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def test_abstract_inherited_unique_together(self):
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title = 'Boss'
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isbn = '12345'
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dbook = DerivedBook.objects.create(title=title, author=self.writer, isbn=isbn)
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form = DerivedBookForm({'title': 'Other', 'author': self.writer.pk, 'isbn': '9876', 'suffix1': u'0', 'suffix2': u'0'})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(len(form.errors), 1)
|
||||
self.assertEqual(form.errors['__all__'], [u'Derived book with this Suffix1 and Suffix2 already exists.'])
|
||||
|
||||
def test_explicitpk_unspecified(self):
|
||||
"""Test for primary_key being in the form and failing validation."""
|
||||
form = ExplicitPKForm({'key': u'', 'desc': u'' })
|
||||
self.assertFalse(form.is_valid())
|
||||
|
||||
def test_explicitpk_unique(self):
|
||||
"""Ensure keys and blank character strings are tested for uniqueness."""
|
||||
form = ExplicitPKForm({'key': u'key1', 'desc': u''})
|
||||
self.assertTrue(form.is_valid())
|
||||
form.save()
|
||||
form = ExplicitPKForm({'key': u'key1', 'desc': u''})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(len(form.errors), 3)
|
||||
self.assertEqual(form.errors['__all__'], [u'Explicit pk with this Key and Desc already exists.'])
|
||||
self.assertEqual(form.errors['desc'], [u'Explicit pk with this Desc already exists.'])
|
||||
self.assertEqual(form.errors['key'], [u'Explicit pk with this Key already exists.'])
|
||||
|
||||
def test_unique_for_date(self):
|
||||
p = Post.objects.create(title="Django 1.0 is released",
|
||||
slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
|
||||
form = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(len(form.errors), 1)
|
||||
self.assertEqual(form.errors['title'], [u'Title must be unique for Posted date.'])
|
||||
form = PostForm({'title': "Work on Django 1.1 begins", 'posted': '2008-09-03'})
|
||||
self.assertTrue(form.is_valid())
|
||||
form = PostForm({'title': "Django 1.0 is released", 'posted': '2008-09-04'})
|
||||
self.assertTrue(form.is_valid())
|
||||
form = PostForm({'slug': "Django 1.0", 'posted': '2008-01-01'})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(len(form.errors), 1)
|
||||
self.assertEqual(form.errors['slug'], [u'Slug must be unique for Posted year.'])
|
||||
form = PostForm({'subtitle': "Finally", 'posted': '2008-09-30'})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(form.errors['subtitle'], [u'Subtitle must be unique for Posted month.'])
|
||||
form = PostForm({'subtitle': "Finally", "title": "Django 1.0 is released",
|
||||
"slug": "Django 1.0", 'posted': '2008-09-03'}, instance=p)
|
||||
self.assertTrue(form.is_valid())
|
||||
|
||||
def test_inherited_unique_for_date(self):
|
||||
p = Post.objects.create(title="Django 1.0 is released",
|
||||
slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
|
||||
form = DerivedPostForm({'title': "Django 1.0 is released", 'posted': '2008-09-03'})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(len(form.errors), 1)
|
||||
self.assertEqual(form.errors['title'], [u'Title must be unique for Posted date.'])
|
||||
form = DerivedPostForm({'title': "Work on Django 1.1 begins", 'posted': '2008-09-03'})
|
||||
self.assertTrue(form.is_valid())
|
||||
form = DerivedPostForm({'title': "Django 1.0 is released", 'posted': '2008-09-04'})
|
||||
self.assertTrue(form.is_valid())
|
||||
form = DerivedPostForm({'slug': "Django 1.0", 'posted': '2008-01-01'})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(len(form.errors), 1)
|
||||
self.assertEqual(form.errors['slug'], [u'Slug must be unique for Posted year.'])
|
||||
form = DerivedPostForm({'subtitle': "Finally", 'posted': '2008-09-30'})
|
||||
self.assertFalse(form.is_valid())
|
||||
self.assertEqual(form.errors['subtitle'], [u'Subtitle must be unique for Posted month.'])
|
||||
form = DerivedPostForm({'subtitle': "Finally", "title": "Django 1.0 is released",
|
||||
"slug": "Django 1.0", 'posted': '2008-09-03'}, instance=p)
|
||||
self.assertTrue(form.is_valid())
|
||||
|
||||
|
|
|
|||
|
|
@ -9,26 +9,34 @@ class GetUniqueCheckTests(unittest.TestCase):
|
|||
def test_unique_fields_get_collected(self):
|
||||
m = UniqueFieldsModel()
|
||||
self.assertEqual(
|
||||
([('id',), ('unique_charfield',), ('unique_integerfield',)], []),
|
||||
([(UniqueFieldsModel, ('id',)),
|
||||
(UniqueFieldsModel, ('unique_charfield',)),
|
||||
(UniqueFieldsModel, ('unique_integerfield',))],
|
||||
[]),
|
||||
m._get_unique_checks()
|
||||
)
|
||||
|
||||
def test_unique_together_gets_picked_up_and_converted_to_tuple(self):
|
||||
m = UniqueTogetherModel()
|
||||
self.assertEqual(
|
||||
([('ifield', 'cfield',),('ifield', 'efield'), ('id',), ], []),
|
||||
([(UniqueTogetherModel, ('ifield', 'cfield',)),
|
||||
(UniqueTogetherModel, ('ifield', 'efield')),
|
||||
(UniqueTogetherModel, ('id',)), ],
|
||||
[]),
|
||||
m._get_unique_checks()
|
||||
)
|
||||
|
||||
def test_primary_key_is_considered_unique(self):
|
||||
m = CustomPKModel()
|
||||
self.assertEqual(([('my_pk_field',)], []), m._get_unique_checks())
|
||||
self.assertEqual(([(CustomPKModel, ('my_pk_field',))], []), m._get_unique_checks())
|
||||
|
||||
def test_unique_for_date_gets_picked_up(self):
|
||||
m = UniqueForDateModel()
|
||||
self.assertEqual((
|
||||
[('id',)],
|
||||
[('date', 'count', 'start_date'), ('year', 'count', 'end_date'), ('month', 'order', 'end_date')]
|
||||
[(UniqueForDateModel, ('id',))],
|
||||
[(UniqueForDateModel, 'date', 'count', 'start_date'),
|
||||
(UniqueForDateModel, 'year', 'count', 'end_date'),
|
||||
(UniqueForDateModel, 'month', 'order', 'end_date')]
|
||||
), m._get_unique_checks()
|
||||
)
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue