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|
# Test the pickle module
# break into multiple strings to please font-lock-mode
DATA = """(lp0
I0
aL1L
aF2.0
ac__builtin__
complex
p1
""" \
"""(F3.0
F0.0
tp2
Rp3
a(S'abc'
p4
g4
""" \
"""(i__main__
C
p5
""" \
"""(dp6
S'foo'
p7
I1
sS'bar'
p8
I2
sbg5
tp9
ag9
aI5
a.
"""
BINDATA = ']q\000(K\000L1L\012G@\000\000\000\000\000\000\000c__builtin__\012complex\012q\001(G@\010\000\000\000\000\000\000G\000\000\000\000\000\000\000\000tq\002Rq\003(U\003abcq\004h\004(c__main__\012C\012q\005oq\006}q\007(U\003fooq\010K\001U\003barq\011K\002ubh\006tq\012h\012K\005e.'
class C:
def __cmp__(self, other):
return cmp(self.__dict__, other.__dict__)
import __main__
__main__.C = C
def dotest(pickle):
c = C()
c.foo = 1
c.bar = 2
x = [0, 1L, 2.0, 3.0+0j]
y = ('abc', 'abc', c, c)
x.append(y)
x.append(y)
x.append(5)
r = []
r.append(r)
print "dumps()"
s = pickle.dumps(x)
print "loads()"
x2 = pickle.loads(s)
if x2 == x: print "ok"
else: print "bad"
print "loads() DATA"
x2 = pickle.loads(DATA)
if x2 == x: print "ok"
else: print "bad"
print "dumps() binary"
s = pickle.dumps(x, 1)
print "loads() binary"
x2 = pickle.loads(s)
if x2 == x: print "ok"
else: print "bad"
print "loads() BINDATA"
x2 = pickle.loads(BINDATA)
if x2 == x: print "ok"
else: print "bad"
s = pickle.dumps(r)
print "dumps() RECURSIVE"
x2 = pickle.loads(s)
if x2 == r: print "ok"
else: print "bad"
# don't create cyclic garbage
del x2[0]
del r[0]
# Test protection against closed files
import tempfile, os
fn = tempfile.mktemp()
f = open(fn, "w")
f.close()
try:
pickle.dump(123, f)
except ValueError:
pass
else:
print "dump to closed file should raise ValueError"
f = open(fn, "r")
f.close()
try:
pickle.load(f)
except ValueError:
pass
else:
print "load from closed file should raise ValueError"
os.remove(fn)
# Test specific bad cases
for i in range(10):
try:
x = pickle.loads('garyp')
except KeyError, y:
# pickle
del y
except pickle.BadPickleGet, y:
# cPickle
del y
else:
print "unexpected success!"
break
# Test insecure strings
insecure = ["abc", "2 + 2", # not quoted
"'abc' + 'def'", # not a single quoted string
"'abc", # quote is not closed
"'abc\"", # open quote and close quote don't match
"'abc' ?", # junk after close quote
# some tests of the quoting rules
"'abc\"\''",
"'\\\\a\'\'\'\\\'\\\\\''",
]
for s in insecure:
buf = "S" + s + "\012p0\012."
try:
x = pickle.loads(buf)
except ValueError:
pass
else:
print "accepted insecure string: %s" % repr(buf)
# Test some Unicode end cases
endcases = [u'', u'<\\u>', u'<\\\u1234>', u'<\n>', u'<\\>']
for u in endcases:
try:
u2 = pickle.loads(pickle.dumps(u))
except Exception, msg:
print "Endcase exception: %s => %s(%s)" % \
(`u`, msg.__class__.__name__, str(msg))
else:
if u2 != u:
print "Endcase failure: %s => %s" % (`u`, `u2`)
import pickle
dotest(pickle)
|
