Method test_bulk_insert_nullable_fields

tests/bulk_create/tests.py:328–351

(self)

    @skipUnlessDBFeature("has_bulk_insert")
    def test_bulk_insert_nullable_fields(self):
        fk_to_auto_fields = {
            "auto_field": NoFields.objects.create(),
            "small_auto_field": SmallAutoFieldModel.objects.create(),
            "big_auto_field": BigAutoFieldModel.objects.create(),
        }
        # NULL can be mixed with other values in nullable fields
        nullable_fields = [
            field for field in NullableFields._meta.get_fields() if field.name != "id"
        ]
        NullableFields.objects.bulk_create(
            [
                NullableFields(**{**fk_to_auto_fields, field.name: None})
                for field in nullable_fields
            ]
        )
        self.assertEqual(NullableFields.objects.count(), len(nullable_fields))
        for field in nullable_fields:
            with self.subTest(field=field):
                field_value = "" if isinstance(field, FileField) else None
                self.assertEqual(
                    NullableFields.objects.filter(**{field.name: field_value}).count(),
                    1,
                )

    @skipUnlessDBFeature("can_return_rows_from_bulk_insert")
    def test_set_pk_and_insert_single_item(self):