import unittest
import sys, io, subprocess
import quopri
ENCSAMPLE = b"""\
Here's a bunch of special=20
=A1=A2=A3=A4=A5=A6=A7=A8=A9
=AA=AB=AC=AD=AE=AF=B0=B1=B2=B3
=B4=B5=B6=B7=B8=B9=BA=BB=BC=BD=BE
=BF=C0=C1=C2=C3=C4=C5=C6
=C7=C8=C9=CA=CB=CC=CD=CE=CF
=D0=D1=D2=D3=D4=D5=D6=D7
=D8=D9=DA=DB=DC=DD=DE=DF
=E0=E1=E2=E3=E4=E5=E6=E7
=E8=E9=EA=EB=EC=ED=EE=EF
=F0=F1=F2=F3=F4=F5=F6=F7
=F8=F9=FA=FB=FC=FD=FE=FF
characters... have fun!
"""
# First line ends with a space
DECSAMPLE = b"Here's a bunch of special \n" + \
b"""\
\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9
\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3
\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe
\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6
\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf
\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7
\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf
\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7
\xe8\xe9\xea\xeb\xec\xed\xee\xef
\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7
\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff
characters... have fun!
"""
def withpythonimplementation(testfunc):
def newtest(self):
# Test default implementation
testfunc(self)
# Test Python implementation
if quopri.b2a_qp is not None or quopri.a2b_qp is not None:
oldencode = quopri.b2a_qp
olddecode = quopri.a2b_qp
try:
quopri.b2a_qp = None
quopri.a2b_qp = None
testfunc(self)
finally:
quopri.b2a_qp = oldencode
quopri.a2b_qp = olddecode
newtest.__name__ = testfunc.__name__
return newtest
class QuopriTestCase(unittest.TestCase):
# Each entry is a tuple of (plaintext, encoded string). These strings are
# used in the "quotetabs=0" tests.
STRINGS = (
# Some normal strings
(b'hello', b'hello'),
(b'''hello
there
world''', b'''hello
there
world'''),
(b'''hello
there
world
''', b'''hello
there
world
'''),
(b'\201\202\203', b'=81=82=83'),
# Add some trailing MUST QUOTE strings
(b'hello ', b'hello=20'),
(b'hello\t', b'hello=09'),
# Some long lines. First, a single line of 108 characters
(b'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\xd8\xd9\xda\xdb\xdc\xdd\xde\xdfxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
b'''xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=D8=D9=DA=DB=DC=DD=DE=DFx=
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'''),
# A line of exactly 76 characters, no soft line break should be needed
(b'yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy',
b'yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy'),
# A line of 77 characters, forcing a soft line break at position 75,
# and a second line of exactly 2 characters (because the soft line
# break `=' sign counts against the line length limit).
(b'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz',
b'''zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz=
zz'''),
# A line of 151 characters, forcing a soft line break at position 75,
# with a second line of exactly 76 characters and no trailing =
(b'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz',
b'''zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz=
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz'''),
# A string containing a hard line break, but which the first line is
# 151 characters and the second line is exactly 76 characters. This
# should leave us with three lines, the first which has a soft line
# break, and which the second and third do not.
(b'''yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz''',
b'''yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy=
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz'''),
# Now some really complex stuff ;)
(DECSAMPLE, ENCSAMPLE),
)
# These are used in the "quotetabs=1" tests.
ESTRINGS = (
(b'hello world', b'hello=20world'),
(b'hello\tworld', b'hello=09world'),
)
# These are used in the "header=1" tests.
HSTRINGS = (
(b'hello world', b'hello_world'),
(b'hello_world', b'hello=5Fworld'),
)
@withpythonimplementation
def test_encodestring(self):
for p, e in self.STRINGS:
self.assertEqual(quopri.encodestring(p), e)
@withpythonimplementation
def test_decodestring(self):
for p, e in self.STRINGS:
self.assertEqual(quopri.decodestring(e), p)
@withpythonimplementation
def test_decodestring_double_equals(self):
# Issue 21511 - Ensure that byte string is compared to byte string
# instead of int byte value
decoded_value, encoded_value = (b"123=four", b"123==four")
self.assertEqual(quopri.decodestring(encoded_value), decoded_value)
@withpythonimplementation
def test_idempotent_string(self):
for p, e in self.STRINGS:
self.assertEqual(quopri.decodestring(quopri.encodestring(e)), e)
@withpythonimplementation
def test_encode(self):
for p, e in self.STRINGS:
infp = io.BytesIO(p)
outfp = io.BytesIO()
quopri.encode(infp, outfp, quotetabs=False)
self.assertEqual(outfp.getvalue(), e)
@withpythonimplementation
def test_decode(self):
for p, e in self.STRINGS:
infp = io.BytesIO(e)
outfp = io.BytesIO()
quopri.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), p)
@withpythonimplementation
def test_embedded_ws(self):
for p, e in self.ESTRINGS:
self.assertEqual(quopri.encodestring(p, quotetabs=True), e)
self.assertEqual(quopri.decodestring(e), p)
@withpythonimplementation
def test_encode_header(self):
for p, e in self.HSTRINGS:
self.assertEqual(quopri.encodestring(p, header=True), e)
@withpythonimplementation
def test_decode_header(self):
for p, e in self.HSTRINGS:
self.assertEqual(quopri.decodestring(e, header=True), p)
def test_scriptencode(self):
(p, e) = self.STRINGS[-1]
process = subprocess.Popen([sys.executable, "-mquopri"],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
self.addCleanup(process.stdout.close)
cout, cerr = process.communicate(p)
# On Windows, Python will output the result to stdout using
# CRLF, as the mode of stdout is text mode. To compare this
# with the expected result, we need to do a line-by-line comparison.
cout = cout.decode('latin-1').splitlines()
e = e.decode('latin-1').splitlines()
assert len(cout)==len(e)
for i in range(len(cout)):
self.assertEqual(cout[i], e[i])
self.assertEqual(cout, e)
def test_scriptdecode(self):
(p, e) = self.STRINGS[-1]
process = subprocess.Popen([sys.executable, "-mquopri", "-d"],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
self.addCleanup(process.stdout.close)
cout, cerr = process.communicate(e)
cout = cout.decode('latin-1')
p = p.decode('latin-1')
self.assertEqual(cout.splitlines(), p.splitlines())
if __name__ == "__main__":
unittest.main()