132dce2246
Use != instead of <> since <> is documented as "obsolescent". Use "is" and "is not" when comparing with None or type objects.
113 lines
2.7 KiB
Python
Executable File
113 lines
2.7 KiB
Python
Executable File
"""Test the binascii C module."""
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from test_support import verbose
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import binascii
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# Show module doc string
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print binascii.__doc__
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# Show module exceptions
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print binascii.Error
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print binascii.Incomplete
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# Check presence and display doc strings of all functions
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funcs = []
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for suffix in "base64", "hqx", "uu":
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prefixes = ["a2b_", "b2a_"]
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if suffix == "hqx":
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prefixes.extend(["crc_", "rlecode_", "rledecode_"])
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for prefix in prefixes:
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name = prefix + suffix
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funcs.append(getattr(binascii, name))
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for func in funcs:
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print "%-15s: %s" % (func.__name__, func.__doc__)
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# Create binary test data
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testdata = "The quick brown fox jumps over the lazy dog.\r\n"
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for i in range(256):
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# Be slow so we don't depend on other modules
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testdata = testdata + chr(i)
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testdata = testdata + "\r\nHello world.\n"
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# Test base64 with valid data
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print "base64 test"
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MAX_BASE64 = 57
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lines = []
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for i in range(0, len(testdata), MAX_BASE64):
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b = testdata[i:i+MAX_BASE64]
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a = binascii.b2a_base64(b)
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lines.append(a)
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print a,
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res = ""
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for line in lines:
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b = binascii.a2b_base64(line)
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res = res + b
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assert res == testdata
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# Test base64 with random invalid characters sprinkled throughout
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# (This requires a new version of binascii.)
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fillers = ""
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valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/"
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for i in range(256):
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c = chr(i)
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if c not in valid:
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fillers = fillers + c
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def addnoise(line):
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noise = fillers
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ratio = len(line) / len(noise)
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res = ""
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while line and noise:
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if len(line) / len(noise) > ratio:
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c, line = line[0], line[1:]
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else:
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c, noise = noise[0], noise[1:]
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res = res + c
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return res + noise + line
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res = ""
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for line in map(addnoise, lines):
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b = binascii.a2b_base64(line)
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res = res + b
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assert res == testdata
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# Test uu
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print "uu test"
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MAX_UU = 45
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lines = []
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for i in range(0, len(testdata), MAX_UU):
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b = testdata[i:i+MAX_UU]
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a = binascii.b2a_uu(b)
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lines.append(a)
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print a,
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res = ""
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for line in lines:
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b = binascii.a2b_uu(line)
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res = res + b
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assert res == testdata
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# Test crc32()
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crc = binascii.crc32("Test the CRC-32 of")
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crc = binascii.crc32(" this string.", crc)
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if crc != 1571220330:
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print "binascii.crc32() failed."
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# The hqx test is in test_binhex.py
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# test hexlification
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s = '{s\005\000\000\000worldi\002\000\000\000s\005\000\000\000helloi\001\000\000\0000'
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t = binascii.b2a_hex(s)
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u = binascii.a2b_hex(t)
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if s != u:
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print 'binascii hexlification failed'
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try:
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binascii.a2b_hex(t[:-1])
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except TypeError:
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pass
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else:
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print 'expected TypeError not raised'
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try:
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binascii.a2b_hex(t[:-1] + 'q')
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except TypeError:
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pass
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else:
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print 'expected TypeError not raised'
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