cpython/Lib/json/tests/test_unicode.py

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from unittest import TestCase
import json
from collections import OrderedDict
class TestUnicode(TestCase):
# test_encoding1 and test_encoding2 from 2.x are irrelevant (only str
# is supported as input, not bytes).
def test_encoding3(self):
u = '\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps(u)
self.assertEquals(j, '"\\u03b1\\u03a9"')
def test_encoding4(self):
u = '\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps([u])
self.assertEquals(j, '["\\u03b1\\u03a9"]')
def test_encoding5(self):
u = '\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps(u, ensure_ascii=False)
self.assertEquals(j, '"{0}"'.format(u))
def test_encoding6(self):
u = '\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps([u], ensure_ascii=False)
self.assertEquals(j, '["{0}"]'.format(u))
def test_big_unicode_encode(self):
u = '\U0001d120'
self.assertEquals(json.dumps(u), '"\\ud834\\udd20"')
self.assertEquals(json.dumps(u, ensure_ascii=False), '"\U0001d120"')
def test_big_unicode_decode(self):
u = 'z\U0001d120x'
self.assertEquals(json.loads('"' + u + '"'), u)
self.assertEquals(json.loads('"z\\ud834\\udd20x"'), u)
def test_unicode_decode(self):
for i in range(0, 0xd7ff):
u = chr(i)
s = '"\\u{0:04x}"'.format(i)
self.assertEquals(json.loads(s), u)
def test_unicode_preservation(self):
self.assertEquals(type(json.loads('""')), str)
self.assertEquals(type(json.loads('"a"')), str)
self.assertEquals(type(json.loads('["a"]')[0]), str)
def test_bytes_encode(self):
self.assertRaises(TypeError, json.dumps, b"hi")
self.assertRaises(TypeError, json.dumps, [b"hi"])
def test_bytes_decode(self):
self.assertRaises(TypeError, json.loads, b'"hi"')
self.assertRaises(TypeError, json.loads, b'["hi"]')
def test_object_pairs_hook_with_unicode(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)
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))