lib-python.2.7.json.tests.test_check_circular.py Maven / Gradle / Ivy

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Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.

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from json.tests import PyTest, CTest


def default_iterable(obj):
    return list(obj)

class TestCheckCircular(object):
    def test_circular_dict(self):
        dct = {}
        dct['a'] = dct
        self.assertRaises(ValueError, self.dumps, dct)

    def test_circular_list(self):
        lst = []
        lst.append(lst)
        self.assertRaises(ValueError, self.dumps, lst)

    def test_circular_composite(self):
        dct2 = {}
        dct2['a'] = []
        dct2['a'].append(dct2)
        self.assertRaises(ValueError, self.dumps, dct2)

    def test_circular_default(self):
        self.dumps([set()], default=default_iterable)
        self.assertRaises(TypeError, self.dumps, [set()])

    def test_circular_off_default(self):
        self.dumps([set()], default=default_iterable, check_circular=False)
        self.assertRaises(TypeError, self.dumps, [set()], check_circular=False)


class TestPyCheckCircular(TestCheckCircular, PyTest): pass
class TestCCheckCircular(TestCheckCircular, CTest): pass