54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
"""Test of various compression/encoding modules (previously in doctests)
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"""
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import binascii
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from pdfminer.arcfour import Arcfour
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from pdfminer.ascii85 import asciihexdecode, ascii85decode
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from pdfminer.lzw import lzwdecode
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from pdfminer.runlength import rldecode
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def hex(b):
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"""encode('hex')"""
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return binascii.hexlify(b)
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def dehex(b):
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"""decode('hex')"""
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return binascii.unhexlify(b)
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class TestAscii85():
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def test_ascii85decode(self):
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"""The sample string is taken from:
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http://en.wikipedia.org/w/index.php?title=Ascii85"""
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assert ascii85decode(b'9jqo^BlbD-BleB1DJ+*+F(f,q') \
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== b'Man is distinguished'
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assert ascii85decode(b'E,9)oF*2M7/c~>') == b'pleasure.'
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def test_asciihexdecode(self):
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assert asciihexdecode(b'61 62 2e6364 65') == b'ab.cde'
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assert asciihexdecode(b'61 62 2e6364 657>') == b'ab.cdep'
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assert asciihexdecode(b'7>') == b'p'
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class TestArcfour():
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def test(self):
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assert hex(Arcfour(b'Key').process(b'Plaintext')) \
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== b'bbf316e8d940af0ad3'
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assert hex(Arcfour(b'Wiki').process(b'pedia')) == b'1021bf0420'
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assert hex(Arcfour(b'Secret').process(b'Attack at dawn')) \
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== b'45a01f645fc35b383552544b9bf5'
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class TestLzw():
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def test_lzwdecode(self):
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assert lzwdecode(b'\x80\x0b\x60\x50\x22\x0c\x0c\x85\x01') \
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== b'\x2d\x2d\x2d\x2d\x2d\x41\x2d\x2d\x2d\x42'
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class TestRunlength():
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def test_rldecode(self):
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assert rldecode(b'\x05123456\xfa7\x04abcde\x80junk') \
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== b'1234567777777abcde'
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