1. from django.forms.models import inlineformset_factory

  2. from django.test import TestCase

  3. 

  4. from .models import (

  5.     AutoPKChildOfUUIDPKParent,

  6.     AutoPKParent,

  7.     ChildRelatedViaAK,

  8.     ChildWithEditablePK,

  9.     ParentWithUUIDAlternateKey,

  10.     UUIDPKChild,

  11.     UUIDPKChildOfAutoPKParent,

  12.     UUIDPKParent,

  13. )

  14. 

  15. 

  16. class InlineFormsetTests(TestCase):

  17.     def test_inlineformset_factory_nulls_default_pks(self):

  18.         """

  19.         #24377 - If we're adding a new object, a parent's auto-generated pk

  20.         from the model field default should be ignored as it's regenerated on

  21.         the save request.

  22. 

  23.         Tests the case where both the parent and child have a UUID primary key.

  24.         """

  25.         FormSet = inlineformset_factory(UUIDPKParent, UUIDPKChild, fields="__all__")

  26.         formset = FormSet()

  27.         self.assertIsNone(formset.forms[0].fields["parent"].initial)

  28. 

  29.     def test_inlineformset_factory_ignores_default_pks_on_submit(self):

  30.         """

  31.         #24377 - Inlines with a model field default should ignore that default

  32.         value to avoid triggering validation on empty forms.

  33.         """

  34.         FormSet = inlineformset_factory(UUIDPKParent, UUIDPKChild, fields="__all__")

  35.         formset = FormSet(

  36.             {

  37.                 "uuidpkchild_set-TOTAL_FORMS": 3,

  38.                 "uuidpkchild_set-INITIAL_FORMS": 0,

  39.                 "uuidpkchild_set-MAX_NUM_FORMS": "",

  40.                 "uuidpkchild_set-0-name": "Foo",

  41.                 "uuidpkchild_set-1-name": "",

  42.                 "uuidpkchild_set-2-name": "",

  43.             }

  44.         )

  45.         self.assertTrue(formset.is_valid())

  46. 

  47.     def test_inlineformset_factory_nulls_default_pks_uuid_parent_auto_child(self):

  48.         """

  49.         #24958 - Variant of test_inlineformset_factory_nulls_default_pks for

  50.         the case of a parent object with a UUID primary key and a child object

  51.         with an AutoField primary key.

  52.         """

  53.         FormSet = inlineformset_factory(

  54.             UUIDPKParent, AutoPKChildOfUUIDPKParent, fields="__all__"

  55.         )

  56.         formset = FormSet()

  57.         self.assertIsNone(formset.forms[0].fields["parent"].initial)

  58. 

  59.     def test_inlineformset_factory_nulls_default_pks_auto_parent_uuid_child(self):

  60.         """

  61.         #24958 - Variant of test_inlineformset_factory_nulls_default_pks for

  62.         the case of a parent object with an AutoField primary key and a child

  63.         object with a UUID primary key.

  64.         """

  65.         FormSet = inlineformset_factory(

  66.             AutoPKParent, UUIDPKChildOfAutoPKParent, fields="__all__"

  67.         )

  68.         formset = FormSet()

  69.         self.assertIsNone(formset.forms[0].fields["parent"].initial)

  70. 

  71.     def test_inlineformset_factory_nulls_default_pks_child_editable_pk(self):

  72.         """

  73.         #24958 - Variant of test_inlineformset_factory_nulls_default_pks for

  74.         the case of a parent object with a UUID primary key and a child

  75.         object with an editable natural key for a primary key.

  76.         """

  77.         FormSet = inlineformset_factory(

  78.             UUIDPKParent, ChildWithEditablePK, fields="__all__"

  79.         )

  80.         formset = FormSet()

  81.         self.assertIsNone(formset.forms[0].fields["parent"].initial)

  82. 

  83.     def test_inlineformset_factory_nulls_default_pks_alternate_key_relation(self):

  84.         """

  85.         #24958 - Variant of test_inlineformset_factory_nulls_default_pks for

  86.         the case of a parent object with a UUID alternate key and a child

  87.         object that relates to that alternate key.

  88.         """

  89.         FormSet = inlineformset_factory(

  90.             ParentWithUUIDAlternateKey, ChildRelatedViaAK, fields="__all__"

  91.         )

  92.         formset = FormSet()

  93.         self.assertIsNone(formset.forms[0].fields["parent"].initial)
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