import unittest

from dumas_json_nodes import DumasJSONStringToObjectNode


class DumasJSONStringToObjectNodeTests(unittest.TestCase):
    def test_parses_valid_json(self):
        node = DumasJSONStringToObjectNode()

        result = node.convert_string_to_json('{"name":"Dumas","count":2}')

        self.assertEqual(result, ({"name": "Dumas", "count": 2},))

    def test_returns_none_for_invalid_json(self):
        node = DumasJSONStringToObjectNode()

        result = node.convert_string_to_json('{"name":')

        self.assertEqual(result, (None,))


if __name__ == "__main__":
    unittest.main()