cpython/Lib/json/tests/test_unicode.py

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from unittest import TestCase
import json
from collections import OrderedDict
class TestUnicode(TestCase):
def test_encoding1(self):
encoder = json.JSONEncoder(encoding='utf-8')
u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
s = u.encode('utf-8')
ju = encoder.encode(u)
js = encoder.encode(s)
self.assertEqual(ju, js)
def test_encoding2(self):
u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
s = u.encode('utf-8')
ju = json.dumps(u, encoding='utf-8')
js = json.dumps(s, encoding='utf-8')
self.assertEqual(ju, js)
def test_encoding3(self):
u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps(u)
self.assertEqual(j, '"\\u03b1\\u03a9"')
def test_encoding4(self):
u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps([u])
self.assertEqual(j, '["\\u03b1\\u03a9"]')
def test_encoding5(self):
u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps(u, ensure_ascii=False)
self.assertEqual(j, u'"{0}"'.format(u))
def test_encoding6(self):
u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
j = json.dumps([u], ensure_ascii=False)
self.assertEqual(j, u'["{0}"]'.format(u))
def test_big_unicode_encode(self):
u = u'\U0001d120'
self.assertEqual(json.dumps(u), '"\\ud834\\udd20"')
self.assertEqual(json.dumps(u, ensure_ascii=False), u'"\U0001d120"')
def test_big_unicode_decode(self):
u = u'z\U0001d120x'
self.assertEqual(json.loads('"' + u + '"'), u)
self.assertEqual(json.loads('"z\\ud834\\udd20x"'), u)
def test_unicode_decode(self):
for i in range(0, 0xd7ff):
u = unichr(i)
s = '"\\u{0:04x}"'.format(i)
self.assertEqual(json.loads(s), u)
def test_object_pairs_hook_with_unicode(self):
s = u'{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
p = [(u"xkd", 1), (u"kcw", 2), (u"art", 3), (u"hxm", 4),
(u"qrt", 5), (u"pad", 6), (u"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))
def test_default_encoding(self):
self.assertEqual(json.loads(u'{"a": "\xe9"}'.encode('utf-8')),
{'a': u'\xe9'})
def test_unicode_preservation(self):
self.assertEqual(type(json.loads(u'""')), unicode)
self.assertEqual(type(json.loads(u'"a"')), unicode)
self.assertEqual(type(json.loads(u'["a"]')[0]), unicode)
# Issue 10038.
self.assertEqual(type(json.loads('"foo"')), unicode)