from django.test.runner import DiscoverRunner

class CustomOptionsTestRunner(DiscoverRunner):

    def __init__(

        self,

        verbosity=1,

        interactive=True,

        failfast=True,

        option_a=None,

        option_b=None,

        option_c=None,

        **kwargs,

    ):

        super().__init__(

            verbosity=verbosity, interactive=interactive, failfast=failfast

        )

        self.option_a = option_a

        self.option_b = option_b

        self.option_c = option_c

    @classmethod

    def add_arguments(cls, parser):

        parser.add_argument("--option_a", "-a", default="1"),

        parser.add_argument("--option_b", "-b", default="2"),

        parser.add_argument("--option_c", "-c", default="3"),

    def run_tests(self, test_labels, **kwargs):

        print("%s:%s:%s" % (self.option_a, self.option_b, self.option_c))