Method test_in_bulk_non_unique_meta_constaint

tests/lookup/tests.py:291–314

(self)

    @isolate_apps("lookup")
    def test_in_bulk_non_unique_meta_constaint(self):
        class Model(models.Model):
            ean = models.CharField(max_length=100)
            brand = models.CharField(max_length=100)
            name = models.CharField(max_length=80)

            class Meta:
                constraints = [
                    models.UniqueConstraint(
                        fields=["ean"],
                        name="partial_ean_unique",
                        condition=models.Q(is_active=True),
                    ),
                    models.UniqueConstraint(
                        fields=["brand", "name"],
                        name="together_brand_name_unique",
                    ),
                ]

        msg = "in_bulk()'s field_name must be a unique field but '%s' isn't."
        for field_name in ["brand", "ean"]:
            with self.subTest(field_name=field_name):
                with self.assertRaisesMessage(ValueError, msg % field_name):
                    Model.objects.in_bulk(field_name=field_name)

    def test_in_bulk_sliced_queryset(self):
        msg = "Cannot use 'limit' or 'offset' with in_bulk()."