Python code coverage for Lib/json/tests/test_recursion.py

#	count	content
1	n/a	from unittest import TestCase
2	n/a
3	n/a	import json
4	n/a
5	n/a	class JSONTestObject:
6	n/a	pass
7	n/a
8	n/a
9	n/a	class RecursiveJSONEncoder(json.JSONEncoder):
10	n/a	recurse = False
11	n/a	def default(self, o):
12	n/a	if o is JSONTestObject:
13	n/a	if self.recurse:
14	n/a	return [JSONTestObject]
15	n/a	else:
16	n/a	return 'JSONTestObject'
17	n/a	return json.JSONEncoder.default(o)
18	n/a
19	n/a
20	n/a	class TestRecursion(TestCase):
21	n/a	def test_listrecursion(self):
22	n/a	x = []
23	n/a	x.append(x)
24	n/a	try:
25	n/a	json.dumps(x)
26	n/a	except ValueError:
27	n/a	pass
28	n/a	else:
29	n/a	self.fail("didn't raise ValueError on list recursion")
30	n/a	x = []
31	n/a	y = [x]
32	n/a	x.append(y)
33	n/a	try:
34	n/a	json.dumps(x)
35	n/a	except ValueError:
36	n/a	pass
37	n/a	else:
38	n/a	self.fail("didn't raise ValueError on alternating list recursion")
39	n/a	y = []
40	n/a	x = [y, y]
41	n/a	# ensure that the marker is cleared
42	n/a	json.dumps(x)
43	n/a
44	n/a	def test_dictrecursion(self):
45	n/a	x = {}
46	n/a	x["test"] = x
47	n/a	try:
48	n/a	json.dumps(x)
49	n/a	except ValueError:
50	n/a	pass
51	n/a	else:
52	n/a	self.fail("didn't raise ValueError on dict recursion")
53	n/a	x = {}
54	n/a	y = {"a": x, "b": x}
55	n/a	# ensure that the marker is cleared
56	n/a	json.dumps(x)
57	n/a
58	n/a	def test_defaultrecursion(self):
59	n/a	enc = RecursiveJSONEncoder()
60	n/a	self.assertEqual(enc.encode(JSONTestObject), '"JSONTestObject"')
61	n/a	enc.recurse = True
62	n/a	try:
63	n/a	enc.encode(JSONTestObject)
64	n/a	except ValueError:
65	n/a	pass
66	n/a	else:
67	n/a	self.fail("didn't raise ValueError on default recursion")