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from __future__ import absolute_import
import decimal
from unittest import TestCase
import hjson as json
from hjson import OrderedDict
from hjson.compat import StringIO
class TestDecode(TestCase):
if not hasattr(TestCase, "assertIs"):
def assertIs(self, a, b):
self.assertTrue(a is b, "%r is %r" % (a, b))
def test_decimal(self):
rval = json.loads("1.1", parse_float=decimal.Decimal)
self.assertTrue(isinstance(rval, decimal.Decimal))
self.assertEqual(rval, decimal.Decimal("1.1"))
def test_float(self):
rval = json.loads("1", parse_int=float)
self.assertTrue(isinstance(rval, float))
self.assertEqual(rval, 1.0)
def test_decoder_optimizations(self):
# Several optimizations were made that skip over calls to
# the whitespace regex, so this test is designed to try and
# exercise the uncommon cases. The array cases are already covered.
rval = json.loads('{ "key" : "value" , "k":"v" }')
self.assertEqual(rval, {"key": "value", "k": "v"})
def test_empty_objects(self):
s = "{}"
self.assertEqual(json.loads(s), eval(s))
s = "[]"
self.assertEqual(json.loads(s), eval(s))
s = '""'
self.assertEqual(json.loads(s), eval(s))
def test_object_pairs_hook(self):
s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
p = [
("xkd", 1),
("kcw", 2),
("art", 3),
("hxm", 4),
("qrt", 5),
("pad", 6),
("hoy", 7),
]
self.assertEqual(json.loads(s), eval(s))
self.assertEqual(json.loads(s, object_pairs_hook=lambda x: x), p)
self.assertEqual(json.load(StringIO(s), object_pairs_hook=lambda x: x), p)
od = json.loads(s, object_pairs_hook=OrderedDict)
self.assertEqual(od, OrderedDict(p))
self.assertEqual(type(od), OrderedDict)
# the object_pairs_hook takes priority over the object_hook
self.assertEqual(
json.loads(s, object_pairs_hook=OrderedDict, object_hook=lambda x: None),
OrderedDict(p),
)
def check_keys_reuse(self, source, loads):
rval = loads(source)
(a, b), (c, d) = sorted(rval[0]), sorted(rval[1])
self.assertIs(a, c)
self.assertIs(b, d)
def test_keys_reuse_str(self):
s = u'[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]'.encode("utf8")
self.check_keys_reuse(s, json.loads)
def test_keys_reuse_unicode(self):
s = u'[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]'
self.check_keys_reuse(s, json.loads)
def test_empty_strings(self):
self.assertEqual(json.loads('""'), "")
self.assertEqual(json.loads(u'""'), u"")
self.assertEqual(json.loads('[""]'), [""])
self.assertEqual(json.loads(u'[""]'), [u""])
def test_multiline_string(self):
s1 = """
hello: '''
'''
"""
s2 = """
hello: '''
'''
"""
s3 = """
hello: ''''''
"""
s4 = """
hello: ''
"""
s5 = """
hello: ""
"""
self.assertEqual(json.loads(s1), {"hello": ""})
self.assertEqual(json.loads(s2), {"hello": ""})
self.assertEqual(json.loads(s3), {"hello": ""})
self.assertEqual(json.loads(s4), {"hello": ""})
self.assertEqual(json.loads(s5), {"hello": ""})
def test_raw_decode(self):
cls = json.decoder.HjsonDecoder
self.assertEqual(({"a": {}}, 9), cls().raw_decode('{"a": {}}'))
# http://code.google.com/p/simplejson/issues/detail?id=85
self.assertEqual(
({"a": {}}, 9), cls(object_pairs_hook=dict).raw_decode('{"a": {}}')
)
# https://github.com/simplejson/simplejson/pull/38
self.assertEqual(({"a": {}}, 11), cls().raw_decode(' \n{"a": {}}'))
def test_bounds_checking(self):
# https://github.com/simplejson/simplejson/issues/98
j = json.decoder.HjsonDecoder()
for i in [4, 5, 6, -1, -2, -3, -4, -5, -6]:
self.assertRaises(ValueError, j.scan_once, "1234", i)
self.assertRaises(ValueError, j.raw_decode, "1234", i)
x, y = sorted(["128931233", "472389423"], key=id)
diff = id(x) - id(y)
self.assertRaises(ValueError, j.scan_once, y, diff)
self.assertRaises(ValueError, j.raw_decode, y, i)
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