mirror of
https://github.com/django/django.git
synced 2024-11-25 07:59:34 +01:00
218 lines
8.4 KiB
Python
218 lines
8.4 KiB
Python
from django.forms.models import ModelForm, inlineformset_factory
|
|
from django.test import TestCase, skipUnlessDBFeature
|
|
|
|
from .models import Child, Parent, Poem, Poet, School
|
|
|
|
|
|
class DeletionTests(TestCase):
|
|
def test_deletion(self):
|
|
PoemFormSet = inlineformset_factory(
|
|
Poet, Poem, can_delete=True, fields="__all__"
|
|
)
|
|
poet = Poet.objects.create(name="test")
|
|
poem = poet.poem_set.create(name="test poem")
|
|
data = {
|
|
"poem_set-TOTAL_FORMS": "1",
|
|
"poem_set-INITIAL_FORMS": "1",
|
|
"poem_set-MAX_NUM_FORMS": "0",
|
|
"poem_set-0-id": str(poem.pk),
|
|
"poem_set-0-poet": str(poet.pk),
|
|
"poem_set-0-name": "test",
|
|
"poem_set-0-DELETE": "on",
|
|
}
|
|
formset = PoemFormSet(data, instance=poet)
|
|
formset.save()
|
|
self.assertTrue(formset.is_valid())
|
|
self.assertEqual(Poem.objects.count(), 0)
|
|
|
|
def test_add_form_deletion_when_invalid(self):
|
|
"""
|
|
Make sure that an add form that is filled out, but marked for deletion
|
|
doesn't cause validation errors.
|
|
"""
|
|
PoemFormSet = inlineformset_factory(
|
|
Poet, Poem, can_delete=True, fields="__all__"
|
|
)
|
|
poet = Poet.objects.create(name="test")
|
|
data = {
|
|
"poem_set-TOTAL_FORMS": "1",
|
|
"poem_set-INITIAL_FORMS": "0",
|
|
"poem_set-MAX_NUM_FORMS": "0",
|
|
"poem_set-0-id": "",
|
|
"poem_set-0-poem": "1",
|
|
"poem_set-0-name": "x" * 1000,
|
|
}
|
|
formset = PoemFormSet(data, instance=poet)
|
|
# Make sure this form doesn't pass validation.
|
|
self.assertIs(formset.is_valid(), False)
|
|
self.assertEqual(Poem.objects.count(), 0)
|
|
|
|
# Then make sure that it *does* pass validation and delete the object,
|
|
# even though the data isn't actually valid.
|
|
data["poem_set-0-DELETE"] = "on"
|
|
formset = PoemFormSet(data, instance=poet)
|
|
self.assertIs(formset.is_valid(), True)
|
|
formset.save()
|
|
self.assertEqual(Poem.objects.count(), 0)
|
|
|
|
def test_change_form_deletion_when_invalid(self):
|
|
"""
|
|
Make sure that a change form that is filled out, but marked for deletion
|
|
doesn't cause validation errors.
|
|
"""
|
|
PoemFormSet = inlineformset_factory(
|
|
Poet, Poem, can_delete=True, fields="__all__"
|
|
)
|
|
poet = Poet.objects.create(name="test")
|
|
poem = poet.poem_set.create(name="test poem")
|
|
data = {
|
|
"poem_set-TOTAL_FORMS": "1",
|
|
"poem_set-INITIAL_FORMS": "1",
|
|
"poem_set-MAX_NUM_FORMS": "0",
|
|
"poem_set-0-id": str(poem.id),
|
|
"poem_set-0-poem": str(poem.id),
|
|
"poem_set-0-name": "x" * 1000,
|
|
}
|
|
formset = PoemFormSet(data, instance=poet)
|
|
# Make sure this form doesn't pass validation.
|
|
self.assertIs(formset.is_valid(), False)
|
|
self.assertEqual(Poem.objects.count(), 1)
|
|
|
|
# Then make sure that it *does* pass validation and delete the object,
|
|
# even though the data isn't actually valid.
|
|
data["poem_set-0-DELETE"] = "on"
|
|
formset = PoemFormSet(data, instance=poet)
|
|
self.assertIs(formset.is_valid(), True)
|
|
formset.save()
|
|
self.assertEqual(Poem.objects.count(), 0)
|
|
|
|
def test_save_new(self):
|
|
"""
|
|
Make sure inlineformsets respect commit=False
|
|
regression for #10750
|
|
"""
|
|
# exclude some required field from the forms
|
|
ChildFormSet = inlineformset_factory(
|
|
School, Child, exclude=["father", "mother"]
|
|
)
|
|
school = School.objects.create(name="test")
|
|
mother = Parent.objects.create(name="mother")
|
|
father = Parent.objects.create(name="father")
|
|
data = {
|
|
"child_set-TOTAL_FORMS": "1",
|
|
"child_set-INITIAL_FORMS": "0",
|
|
"child_set-MAX_NUM_FORMS": "0",
|
|
"child_set-0-name": "child",
|
|
}
|
|
formset = ChildFormSet(data, instance=school)
|
|
self.assertIs(formset.is_valid(), True)
|
|
objects = formset.save(commit=False)
|
|
for obj in objects:
|
|
obj.mother = mother
|
|
obj.father = father
|
|
obj.save()
|
|
self.assertEqual(school.child_set.count(), 1)
|
|
|
|
|
|
class InlineFormsetFactoryTest(TestCase):
|
|
def test_inline_formset_factory(self):
|
|
"""
|
|
These should both work without a problem.
|
|
"""
|
|
inlineformset_factory(Parent, Child, fk_name="mother", fields="__all__")
|
|
inlineformset_factory(Parent, Child, fk_name="father", fields="__all__")
|
|
|
|
def test_exception_on_unspecified_foreign_key(self):
|
|
"""
|
|
Child has two ForeignKeys to Parent, so if we don't specify which one
|
|
to use for the inline formset, we should get an exception.
|
|
"""
|
|
msg = (
|
|
"'inline_formsets.Child' has more than one ForeignKey to "
|
|
"'inline_formsets.Parent'."
|
|
)
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
inlineformset_factory(Parent, Child)
|
|
|
|
def test_fk_name_not_foreign_key_field_from_child(self):
|
|
"""
|
|
If we specify fk_name, but it isn't a ForeignKey from the child model
|
|
to the parent model, we should get an exception.
|
|
"""
|
|
msg = "fk_name 'school' is not a ForeignKey to 'inline_formsets.Parent'."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
inlineformset_factory(Parent, Child, fk_name="school")
|
|
|
|
def test_non_foreign_key_field(self):
|
|
"""
|
|
If the field specified in fk_name is not a ForeignKey, we should get an
|
|
exception.
|
|
"""
|
|
with self.assertRaisesMessage(
|
|
ValueError, "'inline_formsets.Child' has no field named 'test'."
|
|
):
|
|
inlineformset_factory(Parent, Child, fk_name="test")
|
|
|
|
def test_any_iterable_allowed_as_argument_to_exclude(self):
|
|
# Regression test for #9171.
|
|
inlineformset_factory(Parent, Child, exclude=["school"], fk_name="mother")
|
|
|
|
inlineformset_factory(Parent, Child, exclude=("school",), fk_name="mother")
|
|
|
|
@skipUnlessDBFeature("allows_auto_pk_0")
|
|
def test_zero_primary_key(self):
|
|
# Regression test for #21472
|
|
poet = Poet.objects.create(id=0, name="test")
|
|
poet.poem_set.create(name="test poem")
|
|
PoemFormSet = inlineformset_factory(Poet, Poem, fields="__all__", extra=0)
|
|
formset = PoemFormSet(None, instance=poet)
|
|
self.assertEqual(len(formset.forms), 1)
|
|
|
|
def test_unsaved_fk_validate_unique(self):
|
|
poet = Poet(name="unsaved")
|
|
PoemFormSet = inlineformset_factory(Poet, Poem, fields=["name"])
|
|
data = {
|
|
"poem_set-TOTAL_FORMS": "2",
|
|
"poem_set-INITIAL_FORMS": "0",
|
|
"poem_set-MAX_NUM_FORMS": "2",
|
|
"poem_set-0-name": "Poem",
|
|
"poem_set-1-name": "Poem",
|
|
}
|
|
formset = PoemFormSet(data, instance=poet)
|
|
self.assertFalse(formset.is_valid())
|
|
self.assertEqual(
|
|
formset.non_form_errors(), ["Please correct the duplicate data for name."]
|
|
)
|
|
|
|
def test_fk_not_duplicated_in_form_fields(self):
|
|
"""
|
|
A foreign key name isn't duplicated in form._meta fields (#21332).
|
|
"""
|
|
poet = Poet.objects.create(name="test")
|
|
poet.poem_set.create(name="first test poem")
|
|
poet.poem_set.create(name="second test poem")
|
|
poet.poem_set.create(name="third test poem")
|
|
PoemFormSet = inlineformset_factory(Poet, Poem, fields=("name",), extra=0)
|
|
formset = PoemFormSet(None, instance=poet)
|
|
self.assertEqual(len(formset.forms), 3)
|
|
self.assertEqual(["name", "poet"], PoemFormSet.form._meta.fields)
|
|
|
|
def test_fk_in_all_formset_forms(self):
|
|
"""
|
|
A foreign key field is in Meta for all forms in the formset (#26538).
|
|
"""
|
|
|
|
class PoemModelForm(ModelForm):
|
|
def __init__(self, *args, **kwargs):
|
|
assert "poet" in self._meta.fields
|
|
super().__init__(*args, **kwargs)
|
|
|
|
poet = Poet.objects.create(name="test")
|
|
poet.poem_set.create(name="first test poem")
|
|
poet.poem_set.create(name="second test poem")
|
|
PoemFormSet = inlineformset_factory(
|
|
Poet, Poem, form=PoemModelForm, fields=("name",), extra=0
|
|
)
|
|
formset = PoemFormSet(None, instance=poet)
|
|
formset.forms # Trigger form instantiation to run the assert above.
|