import json

from datetime import datetime
from django.test import TestCase
from dockerhub.marketo.utils import DatetimeEncoder


class TestDatetimeEncoder(TestCase):

    def setUp(self):
        self.datetime = datetime.now()
        self.json_data = dict(datetime=self.datetime)

    def test_json_dump(self):
        result = json.dumps(self.json_data, cls=DatetimeEncoder)
        self.assertEqual(type(result), str)