mirror of
https://github.com/django/django.git
synced 2024-11-29 14:46:18 +01:00
633 lines
26 KiB
Python
633 lines
26 KiB
Python
from __future__ import unicode_literals
|
|
|
|
from django import forms
|
|
from django.contrib.contenttypes.forms import generic_inlineformset_factory
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.core.exceptions import FieldError
|
|
from django.db.models import Q
|
|
from django.test import TestCase
|
|
from django.utils import six
|
|
|
|
from .models import (
|
|
AllowsNullGFK, Animal, Comparison, ConcreteRelatedModel,
|
|
ForConcreteModelModel, ForProxyModelModel, Gecko, ManualPK, Mineral,
|
|
ProxyRelatedModel, Rock, TaggedItem, ValuableTaggedItem, Vegetable,
|
|
)
|
|
|
|
|
|
class GenericRelationsTests(TestCase):
|
|
def setUp(self):
|
|
self.lion = Animal.objects.create(
|
|
common_name="Lion", latin_name="Panthera leo")
|
|
self.platypus = Animal.objects.create(
|
|
common_name="Platypus", latin_name="Ornithorhynchus anatinus")
|
|
Vegetable.objects.create(name="Eggplant", is_yucky=True)
|
|
self.bacon = Vegetable.objects.create(name="Bacon", is_yucky=False)
|
|
self.quartz = Mineral.objects.create(name="Quartz", hardness=7)
|
|
|
|
# Tagging stuff.
|
|
self.bacon.tags.create(tag="fatty")
|
|
self.bacon.tags.create(tag="salty")
|
|
self.lion.tags.create(tag="yellow")
|
|
self.lion.tags.create(tag="hairy")
|
|
|
|
# Original list of tags:
|
|
self.comp_func = lambda obj: (
|
|
obj.tag, obj.content_type.model_class(), obj.object_id
|
|
)
|
|
|
|
def test_generic_update_or_create_when_created(self):
|
|
"""
|
|
Should be able to use update_or_create from the generic related manager
|
|
to create a tag. Refs #23611.
|
|
"""
|
|
count = self.bacon.tags.count()
|
|
tag, created = self.bacon.tags.update_or_create(tag='stinky')
|
|
self.assertTrue(created)
|
|
self.assertEqual(count + 1, self.bacon.tags.count())
|
|
|
|
def test_generic_update_or_create_when_updated(self):
|
|
"""
|
|
Should be able to use update_or_create from the generic related manager
|
|
to update a tag. Refs #23611.
|
|
"""
|
|
count = self.bacon.tags.count()
|
|
tag = self.bacon.tags.create(tag='stinky')
|
|
self.assertEqual(count + 1, self.bacon.tags.count())
|
|
tag, created = self.bacon.tags.update_or_create(defaults={'tag': 'juicy'}, id=tag.id)
|
|
self.assertFalse(created)
|
|
self.assertEqual(count + 1, self.bacon.tags.count())
|
|
self.assertEqual(tag.tag, 'juicy')
|
|
|
|
def test_generic_get_or_create_when_created(self):
|
|
"""
|
|
Should be able to use get_or_create from the generic related manager
|
|
to create a tag. Refs #23611.
|
|
"""
|
|
count = self.bacon.tags.count()
|
|
tag, created = self.bacon.tags.get_or_create(tag='stinky')
|
|
self.assertTrue(created)
|
|
self.assertEqual(count + 1, self.bacon.tags.count())
|
|
|
|
def test_generic_get_or_create_when_exists(self):
|
|
"""
|
|
Should be able to use get_or_create from the generic related manager
|
|
to get a tag. Refs #23611.
|
|
"""
|
|
count = self.bacon.tags.count()
|
|
tag = self.bacon.tags.create(tag="stinky")
|
|
self.assertEqual(count + 1, self.bacon.tags.count())
|
|
tag, created = self.bacon.tags.get_or_create(id=tag.id, defaults={'tag': 'juicy'})
|
|
self.assertFalse(created)
|
|
self.assertEqual(count + 1, self.bacon.tags.count())
|
|
# shouldn't had changed the tag
|
|
self.assertEqual(tag.tag, 'stinky')
|
|
|
|
def test_generic_relations_m2m_mimic(self):
|
|
"""
|
|
Objects with declared GenericRelations can be tagged directly -- the
|
|
API mimics the many-to-many API.
|
|
"""
|
|
self.assertQuerysetEqual(self.lion.tags.all(), [
|
|
"<TaggedItem: hairy>",
|
|
"<TaggedItem: yellow>"
|
|
])
|
|
self.assertQuerysetEqual(self.bacon.tags.all(), [
|
|
"<TaggedItem: fatty>",
|
|
"<TaggedItem: salty>"
|
|
])
|
|
|
|
def test_access_content_object(self):
|
|
"""
|
|
Test accessing the content object like a foreign key.
|
|
"""
|
|
tagged_item = TaggedItem.objects.get(tag="salty")
|
|
self.assertEqual(tagged_item.content_object, self.bacon)
|
|
|
|
def test_query_content_object(self):
|
|
qs = TaggedItem.objects.filter(
|
|
animal__isnull=False).order_by('animal__common_name', 'tag')
|
|
self.assertQuerysetEqual(
|
|
qs, ["<TaggedItem: hairy>", "<TaggedItem: yellow>"]
|
|
)
|
|
|
|
mpk = ManualPK.objects.create(id=1)
|
|
mpk.tags.create(tag='mpk')
|
|
qs = TaggedItem.objects.filter(
|
|
Q(animal__isnull=False) | Q(manualpk__id=1)).order_by('tag')
|
|
self.assertQuerysetEqual(
|
|
qs, ["hairy", "mpk", "yellow"], lambda x: x.tag)
|
|
|
|
def test_exclude_generic_relations(self):
|
|
"""
|
|
Test lookups over an object without GenericRelations.
|
|
"""
|
|
# Recall that the Mineral class doesn't have an explicit GenericRelation
|
|
# defined. That's OK, because you can create TaggedItems explicitly.
|
|
# However, excluding GenericRelations means your lookups have to be a
|
|
# bit more explicit.
|
|
TaggedItem.objects.create(content_object=self.quartz, tag="shiny")
|
|
TaggedItem.objects.create(content_object=self.quartz, tag="clearish")
|
|
|
|
ctype = ContentType.objects.get_for_model(self.quartz)
|
|
q = TaggedItem.objects.filter(
|
|
content_type__pk=ctype.id, object_id=self.quartz.id
|
|
)
|
|
self.assertQuerysetEqual(q, [
|
|
"<TaggedItem: clearish>",
|
|
"<TaggedItem: shiny>"
|
|
])
|
|
|
|
def test_access_via_content_type(self):
|
|
"""
|
|
Test lookups through content type.
|
|
"""
|
|
self.lion.delete()
|
|
self.platypus.tags.create(tag="fatty")
|
|
|
|
ctype = ContentType.objects.get_for_model(self.platypus)
|
|
|
|
self.assertQuerysetEqual(
|
|
Animal.objects.filter(tags__content_type=ctype),
|
|
["<Animal: Platypus>"])
|
|
|
|
def test_set_foreign_key(self):
|
|
"""
|
|
You can set a generic foreign key in the way you'd expect.
|
|
"""
|
|
tag1 = TaggedItem.objects.create(content_object=self.quartz, tag="shiny")
|
|
tag1.content_object = self.platypus
|
|
tag1.save()
|
|
|
|
self.assertQuerysetEqual(
|
|
self.platypus.tags.all(),
|
|
["<TaggedItem: shiny>"])
|
|
|
|
def test_queries_across_generic_relations(self):
|
|
"""
|
|
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>"
|
|
])
|
|
|
|
def test_queries_content_type_restriction(self):
|
|
"""
|
|
Create another fatty tagged instance with different PK to ensure there
|
|
is a content type restriction in the generated queries below.
|
|
"""
|
|
mpk = ManualPK.objects.create(id=self.lion.pk)
|
|
mpk.tags.create(tag="fatty")
|
|
self.platypus.tags.create(tag="fatty")
|
|
|
|
self.assertQuerysetEqual(
|
|
Animal.objects.filter(tags__tag='fatty'), ["<Animal: Platypus>"])
|
|
self.assertQuerysetEqual(
|
|
Animal.objects.exclude(tags__tag='fatty'), ["<Animal: Lion>"])
|
|
|
|
def test_object_deletion_with_generic_relation(self):
|
|
"""
|
|
If you delete an object with an explicit Generic relation, the related
|
|
objects are deleted when the source object is deleted.
|
|
"""
|
|
self.assertQuerysetEqual(TaggedItem.objects.all(), [
|
|
('fatty', Vegetable, self.bacon.pk),
|
|
('hairy', Animal, self.lion.pk),
|
|
('salty', Vegetable, self.bacon.pk),
|
|
('yellow', Animal, self.lion.pk)
|
|
],
|
|
self.comp_func
|
|
)
|
|
self.lion.delete()
|
|
|
|
self.assertQuerysetEqual(TaggedItem.objects.all(), [
|
|
('fatty', Vegetable, self.bacon.pk),
|
|
('salty', Vegetable, self.bacon.pk),
|
|
],
|
|
self.comp_func
|
|
)
|
|
|
|
def test_object_deletion_without_generic_relation(self):
|
|
"""
|
|
If Generic Relation is not explicitly defined, any related objects
|
|
remain after deletion of the source object.
|
|
"""
|
|
TaggedItem.objects.create(content_object=self.quartz, tag="clearish")
|
|
quartz_pk = self.quartz.pk
|
|
self.quartz.delete()
|
|
self.assertQuerysetEqual(TaggedItem.objects.all(), [
|
|
('clearish', Mineral, quartz_pk),
|
|
('fatty', Vegetable, self.bacon.pk),
|
|
('hairy', Animal, self.lion.pk),
|
|
('salty', Vegetable, self.bacon.pk),
|
|
('yellow', Animal, self.lion.pk),
|
|
],
|
|
self.comp_func
|
|
)
|
|
|
|
def test_tag_deletion_related_objects_unaffected(self):
|
|
"""
|
|
If you delete a tag, the objects using the tag are unaffected (other
|
|
than losing a tag).
|
|
"""
|
|
ctype = ContentType.objects.get_for_model(self.lion)
|
|
tag = TaggedItem.objects.get(
|
|
content_type__pk=ctype.id, object_id=self.lion.id, tag="hairy")
|
|
tag.delete()
|
|
|
|
self.assertQuerysetEqual(self.lion.tags.all(), ["<TaggedItem: yellow>"])
|
|
self.assertQuerysetEqual(TaggedItem.objects.all(), [
|
|
('fatty', Vegetable, self.bacon.pk),
|
|
('salty', Vegetable, self.bacon.pk),
|
|
('yellow', Animal, self.lion.pk)
|
|
],
|
|
self.comp_func
|
|
)
|
|
|
|
def test_set(self):
|
|
bacon = Vegetable.objects.create(name="Bacon", is_yucky=False)
|
|
fatty = bacon.tags.create(tag="fatty")
|
|
salty = bacon.tags.create(tag="salty")
|
|
|
|
bacon.tags.set([fatty, salty])
|
|
self.assertQuerysetEqual(bacon.tags.all(), [
|
|
"<TaggedItem: fatty>",
|
|
"<TaggedItem: salty>",
|
|
])
|
|
|
|
bacon.tags.set([fatty])
|
|
self.assertQuerysetEqual(bacon.tags.all(), [
|
|
"<TaggedItem: fatty>",
|
|
])
|
|
|
|
bacon.tags.set([])
|
|
self.assertQuerysetEqual(bacon.tags.all(), [])
|
|
|
|
bacon.tags.set([fatty, salty], clear=True)
|
|
self.assertQuerysetEqual(bacon.tags.all(), [
|
|
"<TaggedItem: fatty>",
|
|
"<TaggedItem: salty>",
|
|
])
|
|
|
|
bacon.tags.set([fatty], clear=True)
|
|
self.assertQuerysetEqual(bacon.tags.all(), [
|
|
"<TaggedItem: fatty>",
|
|
])
|
|
|
|
bacon.tags.set([], clear=True)
|
|
self.assertQuerysetEqual(bacon.tags.all(), [])
|
|
|
|
def test_assign(self):
|
|
bacon = Vegetable.objects.create(name="Bacon", is_yucky=False)
|
|
fatty = bacon.tags.create(tag="fatty")
|
|
salty = bacon.tags.create(tag="salty")
|
|
|
|
bacon.tags = [fatty, salty]
|
|
self.assertQuerysetEqual(bacon.tags.all(), [
|
|
"<TaggedItem: fatty>",
|
|
"<TaggedItem: salty>",
|
|
])
|
|
|
|
bacon.tags = [fatty]
|
|
self.assertQuerysetEqual(bacon.tags.all(), [
|
|
"<TaggedItem: fatty>",
|
|
])
|
|
|
|
bacon.tags = []
|
|
self.assertQuerysetEqual(bacon.tags.all(), [])
|
|
|
|
def test_assign_with_queryset(self):
|
|
# Ensure that querysets used in reverse GFK assignments are pre-evaluated
|
|
# so their value isn't affected by the clearing operation in
|
|
# ManyRelatedObjectsDescriptor.__set__. Refs #19816.
|
|
bacon = Vegetable.objects.create(name="Bacon", is_yucky=False)
|
|
bacon.tags.create(tag="fatty")
|
|
bacon.tags.create(tag="salty")
|
|
self.assertEqual(2, bacon.tags.count())
|
|
|
|
qs = bacon.tags.filter(tag="fatty")
|
|
bacon.tags = qs
|
|
|
|
self.assertEqual(1, bacon.tags.count())
|
|
self.assertEqual(1, qs.count())
|
|
|
|
def test_generic_relation_related_name_default(self):
|
|
# Test that GenericRelation by default isn't usable from
|
|
# the reverse side.
|
|
with self.assertRaises(FieldError):
|
|
TaggedItem.objects.filter(vegetable__isnull=True)
|
|
|
|
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>",
|
|
], ordered=False)
|
|
|
|
# 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>"
|
|
], ordered=False)
|
|
|
|
# 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.assertHTMLEqual(''.join(form.as_p() for form in formset.forms), """<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.assertHTMLEqual(''.join(form.as_p() for form in formset.forms), """<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.assertHTMLEqual(''.join(form.as_p() for form in formset.forms), """<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.assertHTMLEqual(''.join(form.as_p() for form in formset.forms), """<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>""")
|
|
|
|
def test_gfk_manager(self):
|
|
# GenericForeignKey should not use the default manager (which may filter objects) #16048
|
|
tailless = Gecko.objects.create(has_tail=False)
|
|
tag = TaggedItem.objects.create(content_object=tailless, tag="lizard")
|
|
self.assertEqual(tag.content_object, tailless)
|
|
|
|
def test_subclasses_with_gen_rel(self):
|
|
"""
|
|
Test that concrete model subclasses with generic relations work
|
|
correctly (ticket 11263).
|
|
"""
|
|
granite = Rock.objects.create(name='granite', hardness=5)
|
|
TaggedItem.objects.create(content_object=granite, tag="countertop")
|
|
self.assertEqual(Rock.objects.filter(tags__tag="countertop").count(), 1)
|
|
|
|
def test_generic_inline_formsets_initial(self):
|
|
"""
|
|
Test for #17927 Initial values support for BaseGenericInlineFormSet.
|
|
"""
|
|
quartz = Mineral.objects.create(name="Quartz", hardness=7)
|
|
|
|
GenericFormSet = generic_inlineformset_factory(TaggedItem, extra=1)
|
|
ctype = ContentType.objects.get_for_model(quartz)
|
|
initial_data = [{
|
|
'tag': 'lizard',
|
|
'content_type': ctype.pk,
|
|
'object_id': quartz.pk,
|
|
}]
|
|
formset = GenericFormSet(initial=initial_data)
|
|
self.assertEqual(formset.forms[0].initial, initial_data[0])
|
|
|
|
def test_get_or_create(self):
|
|
# get_or_create should work with virtual fields (content_object)
|
|
quartz = Mineral.objects.create(name="Quartz", hardness=7)
|
|
tag, created = TaggedItem.objects.get_or_create(tag="shiny",
|
|
defaults={'content_object': quartz})
|
|
self.assertTrue(created)
|
|
self.assertEqual(tag.tag, "shiny")
|
|
self.assertEqual(tag.content_object.id, quartz.id)
|
|
|
|
def test_update_or_create_defaults(self):
|
|
# update_or_create should work with virtual fields (content_object)
|
|
quartz = Mineral.objects.create(name="Quartz", hardness=7)
|
|
diamond = Mineral.objects.create(name="Diamond", hardness=7)
|
|
tag, created = TaggedItem.objects.update_or_create(tag="shiny",
|
|
defaults={'content_object': quartz})
|
|
self.assertTrue(created)
|
|
self.assertEqual(tag.content_object.id, quartz.id)
|
|
|
|
tag, created = TaggedItem.objects.update_or_create(tag="shiny",
|
|
defaults={'content_object': diamond})
|
|
self.assertFalse(created)
|
|
self.assertEqual(tag.content_object.id, diamond.id)
|
|
|
|
def test_query_content_type(self):
|
|
msg = "Field 'content_object' does not generate an automatic reverse relation"
|
|
with self.assertRaisesMessage(FieldError, msg):
|
|
TaggedItem.objects.get(content_object='')
|
|
|
|
|
|
class CustomWidget(forms.TextInput):
|
|
pass
|
|
|
|
|
|
class TaggedItemForm(forms.ModelForm):
|
|
class Meta:
|
|
model = TaggedItem
|
|
fields = '__all__'
|
|
widgets = {'tag': CustomWidget}
|
|
|
|
|
|
class GenericInlineFormsetTest(TestCase):
|
|
def test_generic_inlineformset_factory(self):
|
|
"""
|
|
Regression for #14572: Using base forms with widgets
|
|
defined in Meta should not raise errors.
|
|
"""
|
|
Formset = generic_inlineformset_factory(TaggedItem, TaggedItemForm)
|
|
form = Formset().forms[0]
|
|
self.assertIsInstance(form['tag'].field.widget, CustomWidget)
|
|
|
|
def test_save_new_uses_form_save(self):
|
|
"""
|
|
Regression for #16260: save_new should call form.save()
|
|
"""
|
|
class SaveTestForm(forms.ModelForm):
|
|
def save(self, *args, **kwargs):
|
|
self.instance.saved_by = "custom method"
|
|
return super(SaveTestForm, self).save(*args, **kwargs)
|
|
|
|
Formset = generic_inlineformset_factory(
|
|
ForProxyModelModel, fields='__all__', form=SaveTestForm)
|
|
|
|
instance = ProxyRelatedModel.objects.create()
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-title': 'foo',
|
|
}
|
|
|
|
formset = Formset(data, instance=instance, prefix='form')
|
|
self.assertTrue(formset.is_valid())
|
|
new_obj = formset.save()[0]
|
|
self.assertEqual(new_obj.saved_by, "custom method")
|
|
|
|
def test_save_new_for_proxy(self):
|
|
Formset = generic_inlineformset_factory(ForProxyModelModel,
|
|
fields='__all__', for_concrete_model=False)
|
|
|
|
instance = ProxyRelatedModel.objects.create()
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-title': 'foo',
|
|
}
|
|
|
|
formset = Formset(data, instance=instance, prefix='form')
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
new_obj, = formset.save()
|
|
self.assertEqual(new_obj.obj, instance)
|
|
|
|
def test_save_new_for_concrete(self):
|
|
Formset = generic_inlineformset_factory(ForProxyModelModel,
|
|
fields='__all__', for_concrete_model=True)
|
|
|
|
instance = ProxyRelatedModel.objects.create()
|
|
|
|
data = {
|
|
'form-TOTAL_FORMS': '1',
|
|
'form-INITIAL_FORMS': '0',
|
|
'form-MAX_NUM_FORMS': '',
|
|
'form-0-title': 'foo',
|
|
}
|
|
|
|
formset = Formset(data, instance=instance, prefix='form')
|
|
self.assertTrue(formset.is_valid())
|
|
|
|
new_obj, = formset.save()
|
|
self.assertNotIsInstance(new_obj.obj, ProxyRelatedModel)
|
|
|
|
|
|
class ProxyRelatedModelTest(TestCase):
|
|
def test_default_behavior(self):
|
|
"""
|
|
The default for for_concrete_model should be True
|
|
"""
|
|
base = ForConcreteModelModel()
|
|
base.obj = rel = ProxyRelatedModel.objects.create()
|
|
base.save()
|
|
|
|
base = ForConcreteModelModel.objects.get(pk=base.pk)
|
|
rel = ConcreteRelatedModel.objects.get(pk=rel.pk)
|
|
self.assertEqual(base.obj, rel)
|
|
|
|
def test_works_normally(self):
|
|
"""
|
|
When for_concrete_model is False, we should still be able to get
|
|
an instance of the concrete class.
|
|
"""
|
|
base = ForProxyModelModel()
|
|
base.obj = rel = ConcreteRelatedModel.objects.create()
|
|
base.save()
|
|
|
|
base = ForProxyModelModel.objects.get(pk=base.pk)
|
|
self.assertEqual(base.obj, rel)
|
|
|
|
def test_proxy_is_returned(self):
|
|
"""
|
|
Instances of the proxy should be returned when
|
|
for_concrete_model is False.
|
|
"""
|
|
base = ForProxyModelModel()
|
|
base.obj = ProxyRelatedModel.objects.create()
|
|
base.save()
|
|
|
|
base = ForProxyModelModel.objects.get(pk=base.pk)
|
|
self.assertIsInstance(base.obj, ProxyRelatedModel)
|
|
|
|
def test_query(self):
|
|
base = ForProxyModelModel()
|
|
base.obj = rel = ConcreteRelatedModel.objects.create()
|
|
base.save()
|
|
|
|
self.assertEqual(rel, ConcreteRelatedModel.objects.get(bases__id=base.id))
|
|
|
|
def test_query_proxy(self):
|
|
base = ForProxyModelModel()
|
|
base.obj = rel = ProxyRelatedModel.objects.create()
|
|
base.save()
|
|
|
|
self.assertEqual(rel, ProxyRelatedModel.objects.get(bases__id=base.id))
|
|
|
|
def test_generic_relation(self):
|
|
base = ForProxyModelModel()
|
|
base.obj = ProxyRelatedModel.objects.create()
|
|
base.save()
|
|
|
|
base = ForProxyModelModel.objects.get(pk=base.pk)
|
|
rel = ProxyRelatedModel.objects.get(pk=base.obj.pk)
|
|
self.assertEqual(base, rel.bases.get())
|
|
|
|
def test_generic_relation_set(self):
|
|
base = ForProxyModelModel()
|
|
base.obj = ConcreteRelatedModel.objects.create()
|
|
base.save()
|
|
newrel = ConcreteRelatedModel.objects.create()
|
|
|
|
newrel.bases = [base]
|
|
newrel = ConcreteRelatedModel.objects.get(pk=newrel.pk)
|
|
self.assertEqual(base, newrel.bases.get())
|
|
|
|
|
|
class TestInitWithNoneArgument(TestCase):
|
|
def test_none_not_allowed(self):
|
|
# TaggedItem requires a content_type, initializing with None should
|
|
# raise a ValueError.
|
|
with six.assertRaisesRegex(self, ValueError,
|
|
'Cannot assign None: "TaggedItem.content_type" does not allow null values'):
|
|
TaggedItem(content_object=None)
|
|
|
|
def test_none_allowed(self):
|
|
# AllowsNullGFK doesn't require a content_type, so None argument should
|
|
# also be allowed.
|
|
AllowsNullGFK(content_object=None)
|