def test_maximum(I):
'Test the encoder with 0xff.'
N = 100
datum = N * [0xff,0xff]
sut = [byt for byt in base41.B41Encoder(datum)]
expected = N * [0x41, 0x58, 0x56] # AXV
I.assertEqual(sut, expected)
def test_minimum(I):
'Test the encoder with nulls.'
N = 100
datum = N * [0, 0]
sut = [byt for byt in base41.B41Encoder(datum)]
expected = N * [0x30, 0x30, 0x30]
I.assertEqual(sut, expected)
def test_pair_boundaries(I):
'Test the encoder on base41 boundaries.'
data = [
([ 0, 0], [0x30, 0x30, 0x30]), # 000
([ 0, 40], [0x58, 0x30, 0x30]), # X00
([ 0, 41], [0x30, 0x31, 0x30]), # 010
([ 6, 104], [0x30, 0x58, 0x30]), # 0X0
([ 6, 144], [0x58, 0x58, 0x30]), # XX0
([ 6, 145], [0x30, 0x30, 0x31]), # 001
([249, 134], [0x30, 0x30, 0x56]), # 00V
([255, 238], [0x30, 0x58, 0x56]), # 0XV
([255, 255], [0x41, 0x58, 0x56]), # AXV
]
for datum, expected in data:
sut = [byt for byt in base41.B41Encoder(datum)]
I.assertEqual(sut, expected)
def test_singles(I):
'Test the encoder using single bytes.'
for datum, expected in zip(range(41), base41.ALFA):
sut = [byt for byt in base41.B41Encoder([datum])]
I.assertEqual(sut, [expected])
def test_maximum_trailing(I):
'Test the encoder with an odd number of 0xff.'
datum = [0xff,0xff,0xff]
sut = [byt for byt in base41.B41Encoder(datum)]
expected = [0x41, 0x58, 0x56, 0x39, 0x36] # AXV-96
I.assertEqual(sut, expected)
def test_minimum_trailing(I):
'Test the encoder with an odd number of nulls.'
datum = [0,0,0]
sut = [byt for byt in base41.B41Encoder(datum)]
expected = [0x30, 0x30, 0x30, 0x30]
I.assertEqual(sut, expected)
def test_sanity_hi_trailing(I):
'Test the encoder with a high trailing byte.'
datum = b'John)'
sut = [byt for byt in base41.B41Encoder(datum)]
expected = [0x4f, 0x6d, 0x6b, 0x32, 0x55, 0x6f, 0x30, 0x31]
I.assertEqual(sut, expected)
def test_sanity(I):
'Test the encoder with a standard byte string.'
datum = b'John'
sut = [byt for byt in base41.B41Encoder(datum)]
expected = [0x4f, 0x6d, 0x6b, 0x32, 0x55, 0x6f]
I.assertEqual(sut, expected)