Refs #33348 -- Made SimpleTestCase.assertFormsetErrors() raise an error when form_index is too big.

This commit is contained in:
Baptiste Mispelon 2022-02-14 12:27:26 +01:00 committed by Mariusz Felisiak
parent 261885e4c1
commit 9bb13def5d
3 changed files with 40 additions and 1 deletions

View File

@ -445,6 +445,10 @@ class InlineAdminFormSet:
def is_bound(self):
return self.formset.is_bound
@property
def total_form_count(self):
return self.formset.total_form_count
@property
def media(self):
media = self.opts.media + self.formset.media

View File

@ -686,13 +686,21 @@ class SimpleTestCase(unittest.TestCase):
for i, context in enumerate(contexts):
if formset not in context or not hasattr(context[formset], "forms"):
continue
if not context[formset].is_bound:
formset_repr = repr(context[formset])
if not context[formset].is_bound:
self.fail(
f"{msg_prefix}The formset {formset_repr} is not bound, it will "
f"never have any errors."
)
found_formset = True
if form_index is not None:
form_count = context[formset].total_form_count()
if form_index >= form_count:
form_or_forms = "forms" if form_count > 1 else "form"
self.fail(
f"{msg_prefix}The formset {formset_repr} only has "
f"{form_count} {form_or_forms}."
)
for err in errors:
if field is not None:
if field in context[formset].forms[form_index].errors:

View File

@ -1629,6 +1629,33 @@ class AssertFormsetErrorTests(SimpleTestCase):
)
self.assertFormsetError(response, "formset", None, None, "error")
def test_form_index_too_big(self):
msg = (
"The formset <TestFormset: bound=True valid=False total_forms=1> only has "
"1 form."
)
response = mock.Mock(context=[{}, {"formset": TestFormset.invalid()}])
with self.assertRaisesMessage(AssertionError, msg):
self.assertFormsetError(response, "formset", 2, "field", "error")
def test_form_index_too_big_plural(self):
formset = TestFormset(
{
"form-TOTAL_FORMS": "2",
"form-INITIAL_FORMS": "0",
"form-0-field": "valid",
"form-1-field": "valid",
}
)
formset.full_clean()
msg = (
"The formset <TestFormset: bound=True valid=True total_forms=2> only has 2 "
"forms."
)
response = mock.Mock(context=[{}, {"formset": formset}])
with self.assertRaisesMessage(AssertionError, msg):
self.assertFormsetError(response, "formset", 2, "field", "error")
def test_formset_named_form(self):
formset = TestFormset.invalid()
# The mocked context emulates the template-based rendering of the