magic-wormhole/src/wormhole/test/test_util.py

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from __future__ import unicode_literals
import unicodedata
from twisted.trial import unittest
from .. import util
class Utils(unittest.TestCase):
def test_to_bytes(self):
b = util.to_bytes(u"abc")
self.assertIsInstance(b, type(b""))
self.assertEqual(b, b"abc")
A = unicodedata.lookup("LATIN SMALL LETTER A WITH DIAERESIS")
b = util.to_bytes(A + u"bc")
self.assertIsInstance(b, type(b""))
self.assertEqual(b, b"\xc3\xa4\x62\x63")
def test_bytes_to_hexstr(self):
b = b"\x00\x45\x91\xfe\xff"
hexstr = util.bytes_to_hexstr(b)
self.assertIsInstance(hexstr, type(u""))
self.assertEqual(hexstr, u"004591feff")
def test_hexstr_to_bytes(self):
hexstr = u"004591feff"
b = util.hexstr_to_bytes(hexstr)
hexstr = util.bytes_to_hexstr(b)
self.assertIsInstance(b, type(b""))
self.assertEqual(b, b"\x00\x45\x91\xfe\xff")
def test_dict_to_bytes(self):
d = {"a": "b"}
b = util.dict_to_bytes(d)
self.assertIsInstance(b, type(b""))
self.assertEqual(b, b'{"a": "b"}')
def test_bytes_to_dict(self):
b = b'{"a": "b", "c": 2}'
d = util.bytes_to_dict(b)
self.assertIsInstance(d, dict)
self.assertEqual(d, {u"a": u"b", u"c": 2})