Mercurial > cpython-lru_cache-weakref

annotate Lib/json/tests/test_recursion.py @ 58765:2ba7677bfa95 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents 7106ca871bfd
children 614c84670c63
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
46676
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
1 from unittest import TestCase
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
2
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
3 import json
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
4
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
5 class JSONTestObject:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
6 pass
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
7
46685
7106ca871bfd PEP 8 nits in json package
Benjamin Peterson <benjamin@python.org>
parents: 46676
diff changeset
8
46676
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
9 class RecursiveJSONEncoder(json.JSONEncoder):
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
10 recurse = False
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
11 def default(self, o):
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
12 if o is JSONTestObject:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
13 if self.recurse:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
14 return [JSONTestObject]
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
15 else:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
16 return 'JSONTestObject'
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
17 return json.JSONEncoder.default(o)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
18
46685
7106ca871bfd PEP 8 nits in json package
Benjamin Peterson <benjamin@python.org>
parents: 46676
diff changeset
19
46676
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
20 class TestRecursion(TestCase):
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
21 def test_listrecursion(self):
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
22 x = []
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
23 x.append(x)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
24 try:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
25 json.dumps(x)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
26 except ValueError:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
27 pass
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
28 else:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
29 self.fail("didn't raise ValueError on list recursion")
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
30 x = []
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
31 y = [x]
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
32 x.append(y)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
33 try:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
34 json.dumps(x)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
35 except ValueError:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
36 pass
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
37 else:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
38 self.fail("didn't raise ValueError on alternating list recursion")
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
39 y = []
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
40 x = [y, y]
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
41 # ensure that the marker is cleared
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
42 json.dumps(x)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
43
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
44 def test_dictrecursion(self):
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
45 x = {}
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
46 x["test"] = x
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
47 try:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
48 json.dumps(x)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
49 except ValueError:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
50 pass
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
51 else:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
52 self.fail("didn't raise ValueError on dict recursion")
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
53 x = {}
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
54 y = {"a": x, "b": x}
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
55 # ensure that the marker is cleared
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
56 json.dumps(x)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
57
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
58 def test_defaultrecursion(self):
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
59 enc = RecursiveJSONEncoder()
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
60 self.assertEquals(enc.encode(JSONTestObject), '"JSONTestObject"')
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
61 enc.recurse = True
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
62 try:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
63 enc.encode(JSONTestObject)
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
64 except ValueError:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
65 pass
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
66 else:
4ded35754cb7 Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
67 self.fail("didn't raise ValueError on default recursion")