from json.tests import PyTest, CTest
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def default_iterable(obj):
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return list(obj)
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class TestCheckCircular(object):
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def test_circular_dict(self):
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dct = {}
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dct['a'] = dct
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self.assertRaises(ValueError, self.dumps, dct)
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def test_circular_list(self):
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lst = []
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lst.append(lst)
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self.assertRaises(ValueError, self.dumps, lst)
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def test_circular_composite(self):
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dct2 = {}
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dct2['a'] = []
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dct2['a'].append(dct2)
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self.assertRaises(ValueError, self.dumps, dct2)
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def test_circular_default(self):
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self.dumps([set()], default=default_iterable)
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self.assertRaises(TypeError, self.dumps, [set()])
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def test_circular_off_default(self):
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self.dumps([set()], default=default_iterable, check_circular=False)
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self.assertRaises(TypeError, self.dumps, [set()], check_circular=False)
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class TestPyCheckCircular(TestCheckCircular, PyTest): pass
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class TestCCheckCircular(TestCheckCircular, CTest): pass
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