def test_base64valid():
# Test base64 with valid data
MAX_BASE64 = 57
lines = []
for i in range(0, len(data), MAX_BASE64):
b = data[i:i + MAX_BASE64]
a = binascii.b2a_base64(b)
lines.append(a)
res = ""
for line in lines:
b = binascii.a2b_base64(line)
res = res + b
assert res == data
def test_base64valid():
# Test base64 with valid data
MAX_BASE64 = 57
lines = []
for i in range(0, len(data), MAX_BASE64):
b = data[i:i+MAX_BASE64]
a = binascii.b2a_base64(b)
lines.append(a)
res = ""
for line in lines:
b = binascii.a2b_base64(line)
res = res + b
assert res == data
def test_base64invalid():
# Test base64 with random invalid characters sprinkled throughout
# (This requires a new version of binascii.)
MAX_BASE64 = 57
lines = []
for i in range(0, len(data), MAX_BASE64):
b = data[i:i + MAX_BASE64]
a = binascii.b2a_base64(b)
lines.append(a)
fillers = ""
valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/"
for i in xrange(256):
c = chr(i)
if c not in valid:
fillers += c
def addnoise(line):
noise = fillers
ratio = len(line) // len(noise)
res = ""
while line and noise:
if len(line) // len(noise) > ratio:
c, line = line[0], line[1:]
else:
c, noise = noise[0], noise[1:]
res += c
return res + noise + line
res = ""
for line in map(addnoise, lines):
b = binascii.a2b_base64(line)
res += b
assert res == data
# Test base64 with just invalid characters, which should return
# empty strings. TBD: shouldn't it raise an exception instead ?
assert binascii.a2b_base64(fillers) == ''
def test_base64invalid():
# Test base64 with random invalid characters sprinkled throughout
# (This requires a new version of binascii.)
MAX_BASE64 = 57
lines = []
for i in range(0, len(data), MAX_BASE64):
b = data[i:i+MAX_BASE64]
a = binascii.b2a_base64(b)
lines.append(a)
fillers = ""
valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/"
for i in xrange(256):
c = chr(i)
if c not in valid:
fillers += c
def addnoise(line):
noise = fillers
ratio = len(line) // len(noise)
res = ""
while line and noise:
if len(line) // len(noise) > ratio:
c, line = line[0], line[1:]
else:
c, noise = noise[0], noise[1:]
res += c
return res + noise + line
res = ""
for line in map(addnoise, lines):
b = binascii.a2b_base64(line)
res += b
assert res == data
# Test base64 with just invalid characters, which should return
# empty strings. TBD: shouldn't it raise an exception instead ?
assert binascii.a2b_base64(fillers) == ''
def test_base64():
assert binascii.b2a_base64('xxxx') == 'eHh4eA==\n'