[Python-checkins] CVS: python/dist/src/Lib/test pickletester.py,NONE,1.1 test_cpickle.py,1.6,1.7 test_pickle.py,1.5,1.6

Tim Peters tim_one@users.sourceforge.net
Mon, 22 Jan 2001 14:05:24 -0800


Update of /cvsroot/python/python/dist/src/Lib/test
In directory usw-pr-cvs1:/tmp/cvs-serv19410/python/dist/src/Lib/test

Modified Files:
	test_cpickle.py test_pickle.py 
Added Files:
	pickletester.py 
Log Message:
Reorganize pickle/cPickle testing so the tests pass regardless of the order
they're run.


--- NEW FILE: pickletester.py ---
# test_pick and test_cpickle both use this.

# 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

# Call this with the module to be tested (pickle or cPickle).

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`)

Index: test_cpickle.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_cpickle.py,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -r1.6 -r1.7
*** test_cpickle.py	2000/09/15 15:14:51	1.6
--- test_cpickle.py	2001/01/22 22:05:20	1.7
***************
*** 1,5 ****
- # Test the cPickle module
- 
  import cPickle
! import test_pickle
! test_pickle.dotest(cPickle)
--- 1,3 ----
  import cPickle
! import pickletester
! pickletester.dotest(cPickle)

Index: test_pickle.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_pickle.py,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -r1.5 -r1.6
*** test_pickle.py	2000/12/19 02:01:12	1.5
--- test_pickle.py	2001/01/22 22:05:20	1.6
***************
*** 1,155 ****
- # 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)
--- 1,3 ----
  import pickle
! import pickletester
! pickletester.dotest(pickle)