def test_maximum(I):
'Test the decoder with 0xff.'
N = 100
datum = N * b'AXV'
sut = base41.b41decode(datum)
expected = N * b'\xff\xff'
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 decoder with nulls.'
N = 100
datum = N * b'000'
sut = base41.b41decode(datum)
expected = N * b'\x00\x00'
I.assertEqual(sut, expected)
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_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 decoder on base41 boundaries with punctuation.'
data = [
(b'\x00\x00', b'0-00'),
(b'\x00(', b'X*00'),
(b'\x00)', b'01+0'),
(b'\x06h', b'0//X0'),
(b'\x06\x90', b'XX0__'),
(b'\x06\x91', b'0^0^1'),
(b'\xf9\x86', b'0-0-V'),
(b'\xff\xee', b'0[XV]'),
(b'\xff\xff', b'[AX[[[V'),
]
for expected, datum in data:
sut = base41.b41decode(datum)
I.assertEqual(sut, expected)
def test_pair_boundaries(I):
'Test the decoder on base41 boundaries.'
data = [
(b'\x00\x00', b'000'),
(b'\x00(', b'X00'),
(b'\x00)', b'010'),
(b'\x06h', b'0X0'),
(b'\x06\x90', b'XX0'),
(b'\x06\x91', b'001'),
(b'\xf9\x86', b'00V'),
(b'\xff\xee', b'0XV'),
(b'\xff\xff', b'AXV'),
]
for expected, datum in data:
sut = base41.b41decode(datum)
I.assertEqual(sut, expected)
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_singles(I):
'Test the decoder using single byte and punctuation.'
datum = b'_-+#+-_'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'#')
def test_sanity_hi_trailing(I):
'Test the decoder with a high trailing byte and punctuation.'
datum = b'Omk2Uo,0-.-1,'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'John)')
def test_sanity_hi_trailing(I):
'Test the decoder with a high trailing byte.'
datum = b'Omk2Uo01'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'John)')
def test_sanity(I):
'Test the decoder with a standard byte string and punctuation.'
datum = b'[O**m_k+,-./2U^^^^o]'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'John')
def test_maximum_trailing(I):
'Test the decoder with an odd number of 0xff.'
datum = b'AXV96'
sut = base41.b41decode(datum)
expected = b'\xff\xff\xff'
I.assertEqual(sut, expected)
def test_minimum_trailing(I):
'Test the decoder with an odd number of nulls.'
datum = b'0000'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'\x00\x00\x00')
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_just_punct(I):
'Test the decoder with only punctuation.'
datum = b'[-+/*___*/]'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'')
def test_sanity_lo_trailing(I):
'Test the decoder with a low trailing byte and punctuation.'
datum = b'Omk2Uo-Q/'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'John!')
def test_sanity(I):
'Test the decoder with a standard byte string.'
datum = b'Omk2Uo'
sut = base41.b41decode(datum)
I.assertEqual(sut, b'John')