def test_uuid(I):
'Test round-trip encode/decode with a UUID.'
from uuid import uuid4
datum = uuid4().bytes
enc = base41.b41encode(datum)
sut = base41.b41decode(enc)
I.assertEqual(sut, datum)
def test_maximum(I):
'Test the encoder with 0xff.'
N = 100
datum = N * [0xff,0xff]
sut = base41.b41encode(datum)
expected = N * b'AXV'
I.assertEqual(sut, expected)
def test_sha1(I):
'Test round-trip encode/decode with SHA1 data.'
from hashlib import sha1
datum = sha1(b'Now is the winter of our discontent').digest()
enc = base41.b41encode(datum)
sut = base41.b41decode(enc)
I.assertEqual(sut, datum)
def test_minimum(I):
'Test the encoder with nulls.'
N = 100
datum = N * [0, 0]
sut = base41.b41encode(datum)
expected = N * b'000'
I.assertEqual(sut, expected)
def test_binary(I):
'Test round-trip encode/decode with binary data.'
from base64 import b64decode
b64 = b'R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs='
datum = b64decode(b64)
enc = base41.b41encode(datum)
sut = base41.b41decode(enc)
I.assertEqual(sut, datum)
from base64 import b64encode
recon = b64encode(sut)
I.assertEqual(recon, b64)
def test_pair_boundaries(I):
'Test the encoder on base41 boundaries.'
data = [
([ 0, 0], b'000'),
([ 0, 40], b'X00'),
([ 0, 41], b'010'),
([ 6, 104], b'0X0'),
([ 6, 144], b'XX0'),
([ 6, 145], b'001'),
([249, 134], b'00V'),
([255, 238], b'0XV'),
([255, 255], b'AXV'),
]
for datum, expected in data:
sut = base41.b41encode(datum)
I.assertEqual(sut, expected)
def test_sanity_lo_trailing(I):
'Test the encoder with a low trailing byte.'
datum = b'John!'
sut = base41.b41encode(datum)
I.assertEqual(sut, b'Omk2UoQ')
def test_sanity(I):
'Test the encoder with a standard byte string.'
datum = b'John'
sut = base41.b41encode(datum)
I.assertEqual(sut, b'Omk2Uo')
def test_binary_reverse(I):
'Test round-trip decode/encode with binary data.'
datum = b'4SjBLjkN8j60j609DC5003I0000310000000j60j602006n0j60B1'
dec = base41.b41decode(datum)
sut = base41.b41encode(dec)
I.assertEqual(sut, datum)
def test_longer(I):
'Test round-trip encode/decode.'
datum = b'Now is the winter of our discontent'
enc = base41.b41encode(datum)
sut = base41.b41decode(enc)
I.assertEqual(sut, datum)
def test_sanity(I):
'Test round-trip encode/decode.'
datum = b'John'
enc = base41.b41encode(datum)
sut = base41.b41decode(enc)
I.assertEqual(sut, datum)
def test_maximum_trailing(I):
'Test the encoder with an odd number of 0xff.'
datum = [0xff,0xff,0xff]
sut = base41.b41encode(datum)
expected = b'AXV96'
I.assertEqual(sut, expected)
def test_minimum_trailing(I):
'Test the encoder with an odd number of nulls.'
datum = [0,0,0]
sut = base41.b41encode(datum)
I.assertEqual(sut, b'0000')
def test_sanity_hi_trailing(I):
'Test the encoder with a high trailing byte.'
datum = b'John)'
sut = base41.b41encode(datum)
I.assertEqual(sut, b'Omk2Uo01')