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#Copyright ReportLab Europe Ltd. 2000-2012
#see license.txt for license details
"""Tests for utility functions in reportlab.pdfbase.pdfutils.
"""
__version__='''$Id$'''
from reportlab.lib.testutils import setOutDir,makeSuiteForClasses, printLocation
setOutDir(__name__)
import os
import unittest
from reportlab.pdfbase.pdfutils import _AsciiHexEncode, _AsciiHexDecode
from reportlab.pdfbase.pdfutils import asciiBase85Encode, asciiBase85Decode
from reportlab.lib.utils import asBytes
class PdfEncodingTestCase(unittest.TestCase):
"Test various encodings used in PDF files."
def testAsciiHex(self):
"Test if the obvious test for whether ASCII-Hex encoding works."
plainText = 'What is the average velocity of a sparrow?'
encoded = _AsciiHexEncode(plainText)
decoded = _AsciiHexDecode(encoded)
msg = "Round-trip AsciiHex encoding failed."
assert decoded == plainText, msg
def testAsciiBase85(self):
"Test if the obvious test for whether ASCII-Base85 encoding works."
msg = "Round-trip AsciiBase85 encoding failed."
plain = 'What is the average velocity of a sparrow?'
#the remainder block can be absent or from 1 to 4 bytes
for i in xrange(256):
encoded = asciiBase85Encode(plain)
decoded = asciiBase85Decode(encoded)
assert decoded == asBytes(plain,'latin1'), msg
plain += chr(i)
def makeSuite():
return makeSuiteForClasses(PdfEncodingTestCase)
#noruntests
if __name__ == "__main__":
unittest.TextTestRunner().run(makeSuite())
printLocation()
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