Reorganize pickle/cPickle testing so the tests pass regardless of the order

they're run.

1 files changed, 153 insertions, 0 deletions

diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
new file mode 100644
index 0000000..460a77f
--- /dev/null
+++ b/Lib/test/pickletester.py
@@ -0,0 +1,153 @@
+# 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`)