2000-09-01 19:25:51 +00:00
|
|
|
"""Test the binascii C module."""
|
|
|
|
|
1997-04-02 06:13:34 +00:00
|
|
|
from test_support import verbose
|
2000-09-01 19:25:51 +00:00
|
|
|
import binascii
|
|
|
|
|
|
|
|
# Show module doc string
|
|
|
|
print binascii.__doc__
|
|
|
|
|
|
|
|
# Show module exceptions
|
|
|
|
print binascii.Error
|
|
|
|
print binascii.Incomplete
|
|
|
|
|
|
|
|
# Check presence and display doc strings of all functions
|
|
|
|
funcs = []
|
|
|
|
for suffix in "base64", "hqx", "uu":
|
|
|
|
prefixes = ["a2b_", "b2a_"]
|
|
|
|
if suffix == "hqx":
|
|
|
|
prefixes.extend(["crc_", "rlecode_", "rledecode_"])
|
|
|
|
for prefix in prefixes:
|
|
|
|
name = prefix + suffix
|
|
|
|
funcs.append(getattr(binascii, name))
|
|
|
|
for func in funcs:
|
|
|
|
print "%-15s: %s" % (func.__name__, func.__doc__)
|
|
|
|
|
|
|
|
# Create binary test data
|
|
|
|
testdata = "The quick brown fox jumps over the lazy dog.\r\n"
|
|
|
|
for i in range(256):
|
|
|
|
# Be slow so we don't depend on other modules
|
|
|
|
testdata = testdata + chr(i)
|
|
|
|
testdata = testdata + "\r\nHello world.\n"
|
|
|
|
|
|
|
|
# Test base64 with valid data
|
|
|
|
print "base64 test"
|
|
|
|
MAX_BASE64 = 57
|
|
|
|
lines = []
|
|
|
|
for i in range(0, len(testdata), MAX_BASE64):
|
|
|
|
b = testdata[i:i+MAX_BASE64]
|
|
|
|
a = binascii.b2a_base64(b)
|
|
|
|
lines.append(a)
|
|
|
|
print a,
|
|
|
|
res = ""
|
|
|
|
for line in lines:
|
|
|
|
b = binascii.a2b_base64(line)
|
|
|
|
res = res + b
|
|
|
|
assert res == testdata
|
|
|
|
|
|
|
|
# Test base64 with random invalid characters sprinkled throughout
|
|
|
|
# (This requires a new version of binascii.)
|
|
|
|
fillers = ""
|
|
|
|
valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/"
|
|
|
|
for i in range(256):
|
|
|
|
c = chr(i)
|
|
|
|
if c not in valid:
|
|
|
|
fillers = 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 = res + c
|
|
|
|
return res + noise + line
|
|
|
|
res = ""
|
|
|
|
for line in map(addnoise, lines):
|
|
|
|
b = binascii.a2b_base64(line)
|
|
|
|
res = res + b
|
|
|
|
assert res == testdata
|
|
|
|
|
|
|
|
# Test uu
|
|
|
|
print "uu test"
|
|
|
|
MAX_UU = 45
|
|
|
|
lines = []
|
|
|
|
for i in range(0, len(testdata), MAX_UU):
|
|
|
|
b = testdata[i:i+MAX_UU]
|
|
|
|
a = binascii.b2a_uu(b)
|
|
|
|
lines.append(a)
|
|
|
|
print a,
|
|
|
|
res = ""
|
|
|
|
for line in lines:
|
|
|
|
b = binascii.a2b_uu(line)
|
|
|
|
res = res + b
|
|
|
|
assert res == testdata
|
|
|
|
|
|
|
|
# Test crc32()
|
|
|
|
crc = binascii.crc32("Test the CRC-32 of")
|
|
|
|
crc = binascii.crc32(" this string.", crc)
|
|
|
|
if crc != 1571220330:
|
|
|
|
print "binascii.crc32() failed."
|
|
|
|
|
|
|
|
# The hqx test is in test_binhex.py
|
1997-04-02 06:13:34 +00:00
|
|
|
|
2000-09-01 19:25:51 +00:00
|
|
|
# test hexlification
|
|
|
|
s = '{s\005\000\000\000worldi\002\000\000\000s\005\000\000\000helloi\001\000\000\0000'
|
|
|
|
t = binascii.b2a_hex(s)
|
|
|
|
u = binascii.a2b_hex(t)
|
|
|
|
if s <> u:
|
|
|
|
print 'binascii hexlification failed'
|
|
|
|
try:
|
|
|
|
binascii.a2b_hex(t[:-1])
|
|
|
|
except TypeError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
print 'expected TypeError not raised'
|
|
|
|
try:
|
|
|
|
binascii.a2b_hex(t[:-1] + 'q')
|
|
|
|
except TypeError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
print 'expected TypeError not raised'
|