import json

from django.test import testcases

from graphiql_debug_toolbar import serializers


class SerializersTests(testcases.TestCase):
    def test_callable_json_encoder(self):
        result = json.loads(
            json.dumps(
                {
                    ".": ".",
                    "..": lambda: "..",
                },
                cls=serializers.CallableJSONEncoder,
            ),
        )

        self.assertEqual(result["."], ".")
        self.assertEqual(result[".."], "..")