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Diffstat (limited to 'parts/django/tests/modeltests/generic_relations')
3 files changed, 0 insertions, 303 deletions
diff --git a/parts/django/tests/modeltests/generic_relations/__init__.py b/parts/django/tests/modeltests/generic_relations/__init__.py deleted file mode 100644 index e69de29..0000000 --- a/parts/django/tests/modeltests/generic_relations/__init__.py +++ /dev/null diff --git a/parts/django/tests/modeltests/generic_relations/models.py b/parts/django/tests/modeltests/generic_relations/models.py deleted file mode 100644 index 18b77a3..0000000 --- a/parts/django/tests/modeltests/generic_relations/models.py +++ /dev/null @@ -1,80 +0,0 @@ -""" -34. Generic relations - -Generic relations let an object have a foreign key to any object through a -content-type/object-id field. A ``GenericForeignKey`` field can point to any -object, be it animal, vegetable, or mineral. - -The canonical example is tags (although this example implementation is *far* -from complete). -""" - -from django.contrib.contenttypes import generic -from django.contrib.contenttypes.models import ContentType -from django.db import models - - -class TaggedItem(models.Model): - """A tag on an item.""" - tag = models.SlugField() - content_type = models.ForeignKey(ContentType) - object_id = models.PositiveIntegerField() - - content_object = generic.GenericForeignKey() - - class Meta: - ordering = ["tag", "content_type__name"] - - def __unicode__(self): - return self.tag - -class ValuableTaggedItem(TaggedItem): - value = models.PositiveIntegerField() - -class Comparison(models.Model): - """ - A model that tests having multiple GenericForeignKeys - """ - comparative = models.CharField(max_length=50) - - content_type1 = models.ForeignKey(ContentType, related_name="comparative1_set") - object_id1 = models.PositiveIntegerField() - - content_type2 = models.ForeignKey(ContentType, related_name="comparative2_set") - object_id2 = models.PositiveIntegerField() - - first_obj = generic.GenericForeignKey(ct_field="content_type1", fk_field="object_id1") - other_obj = generic.GenericForeignKey(ct_field="content_type2", fk_field="object_id2") - - def __unicode__(self): - return u"%s is %s than %s" % (self.first_obj, self.comparative, self.other_obj) - -class Animal(models.Model): - common_name = models.CharField(max_length=150) - latin_name = models.CharField(max_length=150) - - tags = generic.GenericRelation(TaggedItem) - comparisons = generic.GenericRelation(Comparison, - object_id_field="object_id1", - content_type_field="content_type1") - - def __unicode__(self): - return self.common_name - -class Vegetable(models.Model): - name = models.CharField(max_length=150) - is_yucky = models.BooleanField(default=True) - - tags = generic.GenericRelation(TaggedItem) - - def __unicode__(self): - return self.name - -class Mineral(models.Model): - name = models.CharField(max_length=150) - hardness = models.PositiveSmallIntegerField() - - # note the lack of an explicit GenericRelation here... - - def __unicode__(self): - return self.name diff --git a/parts/django/tests/modeltests/generic_relations/tests.py b/parts/django/tests/modeltests/generic_relations/tests.py deleted file mode 100644 index 3d25301..0000000 --- a/parts/django/tests/modeltests/generic_relations/tests.py +++ /dev/null @@ -1,223 +0,0 @@ -from django.contrib.contenttypes.generic import generic_inlineformset_factory -from django.contrib.contenttypes.models import ContentType -from django.test import TestCase - -from models import (TaggedItem, ValuableTaggedItem, Comparison, Animal, - Vegetable, Mineral) - - -class GenericRelationsTests(TestCase): - def test_generic_relations(self): - # Create the world in 7 lines of code... - lion = Animal.objects.create(common_name="Lion", latin_name="Panthera leo") - platypus = Animal.objects.create( - common_name="Platypus", latin_name="Ornithorhynchus anatinus" - ) - eggplant = Vegetable.objects.create(name="Eggplant", is_yucky=True) - bacon = Vegetable.objects.create(name="Bacon", is_yucky=False) - quartz = Mineral.objects.create(name="Quartz", hardness=7) - - # Objects with declared GenericRelations can be tagged directly -- the - # API mimics the many-to-many API. - bacon.tags.create(tag="fatty") - bacon.tags.create(tag="salty") - lion.tags.create(tag="yellow") - lion.tags.create(tag="hairy") - platypus.tags.create(tag="fatty") - self.assertQuerysetEqual(lion.tags.all(), [ - "<TaggedItem: hairy>", - "<TaggedItem: yellow>" - ]) - self.assertQuerysetEqual(bacon.tags.all(), [ - "<TaggedItem: fatty>", - "<TaggedItem: salty>" - ]) - - # You can easily access the content object like a foreign key. - t = TaggedItem.objects.get(tag="salty") - self.assertEqual(t.content_object, bacon) - - # Recall that the Mineral class doesn't have an explicit GenericRelation - # defined. That's OK, because you can create TaggedItems explicitly. - tag1 = TaggedItem.objects.create(content_object=quartz, tag="shiny") - tag2 = TaggedItem.objects.create(content_object=quartz, tag="clearish") - - # However, excluding GenericRelations means your lookups have to be a - # bit more explicit. - ctype = ContentType.objects.get_for_model(quartz) - q = TaggedItem.objects.filter( - content_type__pk=ctype.id, object_id=quartz.id - ) - self.assertQuerysetEqual(q, [ - "<TaggedItem: clearish>", - "<TaggedItem: shiny>" - ]) - - # You can set a generic foreign key in the way you'd expect. - tag1.content_object = platypus - tag1.save() - self.assertQuerysetEqual(platypus.tags.all(), [ - "<TaggedItem: fatty>", - "<TaggedItem: shiny>" - ]) - q = TaggedItem.objects.filter( - content_type__pk=ctype.id, object_id=quartz.id - ) - self.assertQuerysetEqual(q, ["<TaggedItem: clearish>"]) - - # Queries across generic relations respect the content types. Even - # though there are two TaggedItems with a tag of "fatty", this query - # only pulls out the one with the content type related to Animals. - self.assertQuerysetEqual(Animal.objects.order_by('common_name'), [ - "<Animal: Lion>", - "<Animal: Platypus>" - ]) - self.assertQuerysetEqual(Animal.objects.filter(tags__tag='fatty'), [ - "<Animal: Platypus>" - ]) - self.assertQuerysetEqual(Animal.objects.exclude(tags__tag='fatty'), [ - "<Animal: Lion>" - ]) - - # If you delete an object with an explicit Generic relation, the related - # objects are deleted when the source object is deleted. - # Original list of tags: - comp_func = lambda obj: ( - obj.tag, obj.content_type.model_class(), obj.object_id - ) - - self.assertQuerysetEqual(TaggedItem.objects.all(), [ - (u'clearish', Mineral, quartz.pk), - (u'fatty', Animal, platypus.pk), - (u'fatty', Vegetable, bacon.pk), - (u'hairy', Animal, lion.pk), - (u'salty', Vegetable, bacon.pk), - (u'shiny', Animal, platypus.pk), - (u'yellow', Animal, lion.pk) - ], - comp_func - ) - lion.delete() - self.assertQuerysetEqual(TaggedItem.objects.all(), [ - (u'clearish', Mineral, quartz.pk), - (u'fatty', Animal, platypus.pk), - (u'fatty', Vegetable, bacon.pk), - (u'salty', Vegetable, bacon.pk), - (u'shiny', Animal, platypus.pk) - ], - comp_func - ) - - # If Generic Relation is not explicitly defined, any related objects - # remain after deletion of the source object. - quartz_pk = quartz.pk - quartz.delete() - self.assertQuerysetEqual(TaggedItem.objects.all(), [ - (u'clearish', Mineral, quartz_pk), - (u'fatty', Animal, platypus.pk), - (u'fatty', Vegetable, bacon.pk), - (u'salty', Vegetable, bacon.pk), - (u'shiny', Animal, platypus.pk) - ], - comp_func - ) - # If you delete a tag, the objects using the tag are unaffected - # (other than losing a tag) - tag = TaggedItem.objects.order_by("id")[0] - tag.delete() - self.assertQuerysetEqual(bacon.tags.all(), ["<TaggedItem: salty>"]) - self.assertQuerysetEqual(TaggedItem.objects.all(), [ - (u'clearish', Mineral, quartz_pk), - (u'fatty', Animal, platypus.pk), - (u'salty', Vegetable, bacon.pk), - (u'shiny', Animal, platypus.pk) - ], - comp_func - ) - TaggedItem.objects.filter(tag='fatty').delete() - ctype = ContentType.objects.get_for_model(lion) - self.assertQuerysetEqual(Animal.objects.filter(tags__content_type=ctype), [ - "<Animal: Platypus>" - ]) - - - def test_multiple_gfk(self): - # Simple tests for multiple GenericForeignKeys - # only uses one model, since the above tests should be sufficient. - tiger = Animal.objects.create(common_name="tiger") - cheetah = Animal.objects.create(common_name="cheetah") - bear = Animal.objects.create(common_name="bear") - - # Create directly - Comparison.objects.create( - first_obj=cheetah, other_obj=tiger, comparative="faster" - ) - Comparison.objects.create( - first_obj=tiger, other_obj=cheetah, comparative="cooler" - ) - - # Create using GenericRelation - tiger.comparisons.create(other_obj=bear, comparative="cooler") - tiger.comparisons.create(other_obj=cheetah, comparative="stronger") - self.assertQuerysetEqual(cheetah.comparisons.all(), [ - "<Comparison: cheetah is faster than tiger>" - ]) - - # Filtering works - self.assertQuerysetEqual(tiger.comparisons.filter(comparative="cooler"), [ - "<Comparison: tiger is cooler than cheetah>", - "<Comparison: tiger is cooler than bear>" - ]) - - # Filtering and deleting works - subjective = ["cooler"] - tiger.comparisons.filter(comparative__in=subjective).delete() - self.assertQuerysetEqual(Comparison.objects.all(), [ - "<Comparison: cheetah is faster than tiger>", - "<Comparison: tiger is stronger than cheetah>" - ]) - - # If we delete cheetah, Comparisons with cheetah as 'first_obj' will be - # deleted since Animal has an explicit GenericRelation to Comparison - # through first_obj. Comparisons with cheetah as 'other_obj' will not - # be deleted. - cheetah.delete() - self.assertQuerysetEqual(Comparison.objects.all(), [ - "<Comparison: tiger is stronger than None>" - ]) - - def test_gfk_subclasses(self): - # GenericForeignKey should work with subclasses (see #8309) - quartz = Mineral.objects.create(name="Quartz", hardness=7) - valuedtag = ValuableTaggedItem.objects.create( - content_object=quartz, tag="shiny", value=10 - ) - self.assertEqual(valuedtag.content_object, quartz) - - def test_generic_inline_formsets(self): - GenericFormSet = generic_inlineformset_factory(TaggedItem, extra=1) - formset = GenericFormSet() - self.assertEqual(u''.join(form.as_p() for form in formset.forms), u"""<p><label for="id_generic_relations-taggeditem-content_type-object_id-0-tag">Tag:</label> <input id="id_generic_relations-taggeditem-content_type-object_id-0-tag" type="text" name="generic_relations-taggeditem-content_type-object_id-0-tag" maxlength="50" /></p> -<p><label for="id_generic_relations-taggeditem-content_type-object_id-0-DELETE">Delete:</label> <input type="checkbox" name="generic_relations-taggeditem-content_type-object_id-0-DELETE" id="id_generic_relations-taggeditem-content_type-object_id-0-DELETE" /><input type="hidden" name="generic_relations-taggeditem-content_type-object_id-0-id" id="id_generic_relations-taggeditem-content_type-object_id-0-id" /></p>""") - - formset = GenericFormSet(instance=Animal()) - self.assertEqual(u''.join(form.as_p() for form in formset.forms), u"""<p><label for="id_generic_relations-taggeditem-content_type-object_id-0-tag">Tag:</label> <input id="id_generic_relations-taggeditem-content_type-object_id-0-tag" type="text" name="generic_relations-taggeditem-content_type-object_id-0-tag" maxlength="50" /></p> -<p><label for="id_generic_relations-taggeditem-content_type-object_id-0-DELETE">Delete:</label> <input type="checkbox" name="generic_relations-taggeditem-content_type-object_id-0-DELETE" id="id_generic_relations-taggeditem-content_type-object_id-0-DELETE" /><input type="hidden" name="generic_relations-taggeditem-content_type-object_id-0-id" id="id_generic_relations-taggeditem-content_type-object_id-0-id" /></p>""") - - platypus = Animal.objects.create( - common_name="Platypus", latin_name="Ornithorhynchus anatinus" - ) - platypus.tags.create(tag="shiny") - GenericFormSet = generic_inlineformset_factory(TaggedItem, extra=1) - formset = GenericFormSet(instance=platypus) - tagged_item_id = TaggedItem.objects.get( - tag='shiny', object_id=platypus.id - ).id - self.assertEqual(u''.join(form.as_p() for form in formset.forms), u"""<p><label for="id_generic_relations-taggeditem-content_type-object_id-0-tag">Tag:</label> <input id="id_generic_relations-taggeditem-content_type-object_id-0-tag" type="text" name="generic_relations-taggeditem-content_type-object_id-0-tag" value="shiny" maxlength="50" /></p> -<p><label for="id_generic_relations-taggeditem-content_type-object_id-0-DELETE">Delete:</label> <input type="checkbox" name="generic_relations-taggeditem-content_type-object_id-0-DELETE" id="id_generic_relations-taggeditem-content_type-object_id-0-DELETE" /><input type="hidden" name="generic_relations-taggeditem-content_type-object_id-0-id" value="%s" id="id_generic_relations-taggeditem-content_type-object_id-0-id" /></p><p><label for="id_generic_relations-taggeditem-content_type-object_id-1-tag">Tag:</label> <input id="id_generic_relations-taggeditem-content_type-object_id-1-tag" type="text" name="generic_relations-taggeditem-content_type-object_id-1-tag" maxlength="50" /></p> -<p><label for="id_generic_relations-taggeditem-content_type-object_id-1-DELETE">Delete:</label> <input type="checkbox" name="generic_relations-taggeditem-content_type-object_id-1-DELETE" id="id_generic_relations-taggeditem-content_type-object_id-1-DELETE" /><input type="hidden" name="generic_relations-taggeditem-content_type-object_id-1-id" id="id_generic_relations-taggeditem-content_type-object_id-1-id" /></p>""" % tagged_item_id) - - lion = Animal.objects.create(common_name="Lion", latin_name="Panthera leo") - formset = GenericFormSet(instance=lion, prefix='x') - self.assertEqual(u''.join(form.as_p() for form in formset.forms), u"""<p><label for="id_x-0-tag">Tag:</label> <input id="id_x-0-tag" type="text" name="x-0-tag" maxlength="50" /></p> -<p><label for="id_x-0-DELETE">Delete:</label> <input type="checkbox" name="x-0-DELETE" id="id_x-0-DELETE" /><input type="hidden" name="x-0-id" id="id_x-0-id" /></p>""") |