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93 lines
2.3 KiB
Python
Executable file
93 lines
2.3 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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