Method setUpClass

django/test/testcases.py:1419–1448

(cls)

    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        if not (
            cls._databases_support_transactions()
            and cls._databases_support_savepoints()
        ):
            return
        cls.cls_atomics = cls._enter_atomics()

        if cls.fixtures:
            for db_name in cls._databases_names(include_mirrors=False):
                try:
                    call_command(
                        "loaddata",
                        *cls.fixtures,
                        verbosity=0,
                        database=db_name,
                    )
                except Exception:
                    cls._rollback_atomics(cls.cls_atomics)
                    raise
        pre_attrs = cls.__dict__.copy()
        try:
            cls.setUpTestData()
        except Exception:
            cls._rollback_atomics(cls.cls_atomics)
            raise
        for name, value in cls.__dict__.items():
            if value is not pre_attrs.get(name):
                setattr(cls, name, TestData(name, value))

    @classmethod
    def tearDownClass(cls):