import unittest from test.test_support import TestFailed, have_unicode, TESTFN class C: def __cmp__(self, other): return cmp(self.__dict__, other.__dict__) import __main__ __main__.C = C C.__module__ = "__main__" class myint(int): def __init__(self, x): self.str = str(x) class initarg(C): __safe_for_unpickling__ = 1 def __init__(self, a, b): self.a = a self.b = b def __getinitargs__(self): return self.a, self.b class metaclass(type): pass class use_metaclass(object): __metaclass__ = metaclass # break into multiple strings to avoid confusing font-lock-mode DATA = """(lp1 I0 aL1L aF2 ac__builtin__ complex p2 """ + \ """(F3 F0 tRp3 aI1 aI-1 aI255 aI-255 aI-256 aI65535 aI-65535 aI-65536 aI2147483647 aI-2147483647 aI-2147483648 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\x01(K\x00L1L\nG@\x00\x00\x00\x00\x00\x00\x00' + \ 'c__builtin__\ncomplex\nq\x02(G@\x08\x00\x00\x00\x00\x00' + \ '\x00G\x00\x00\x00\x00\x00\x00\x00\x00tRq\x03K\x01J\xff\xff' + \ '\xff\xffK\xffJ\x01\xff\xff\xffJ\x00\xff\xff\xffM\xff\xff' + \ 'J\x01\x00\xff\xffJ\x00\x00\xff\xffJ\xff\xff\xff\x7fJ\x01\x00' + \ '\x00\x80J\x00\x00\x00\x80(U\x03abcq\x04h\x04(c__main__\n' + \ 'C\nq\x05oq\x06}q\x07(U\x03fooq\x08K\x01U\x03barq\tK\x02ubh' + \ '\x06tq\nh\nK\x05e.' def create_data(): c = C() c.foo = 1 c.bar = 2 x = [0, 1L, 2.0, 3.0+0j] # Append some integer test cases at cPickle.c's internal size # cutoffs. uint1max = 0xff uint2max = 0xffff int4max = 0x7fffffff x.extend([1, -1, uint1max, -uint1max, -uint1max-1, uint2max, -uint2max, -uint2max-1, int4max, -int4max, -int4max-1]) y = ('abc', 'abc', c, c) x.append(y) x.append(y) x.append(5) return x class AbstractPickleTests(unittest.TestCase): _testdata = create_data() def setUp(self): # subclass must define self.dumps, self.loads, self.error pass def test_misc(self): # test various datatypes not tested by testdata x = myint(4) s = self.dumps(x) y = self.loads(s) self.assertEqual(x, y) x = (1, ()) s = self.dumps(x) y = self.loads(s) self.assertEqual(x, y) x = initarg(1, x) s = self.dumps(x) y = self.loads(s) self.assertEqual(x, y) # XXX test __reduce__ protocol? def test_identity(self): s = self.dumps(self._testdata) x = self.loads(s) self.assertEqual(x, self._testdata) def test_constant(self): x = self.loads(DATA) self.assertEqual(x, self._testdata) x = self.loads(BINDATA) self.assertEqual(x, self._testdata) def test_binary(self): s = self.dumps(self._testdata, 1) x = self.loads(s) self.assertEqual(x, self._testdata) def test_recursive_list(self): l = [] l.append(l) s = self.dumps(l) x = self.loads(s) self.assertEqual(x, l) self.assertEqual(x, x[0]) self.assertEqual(id(x), id(x[0])) def test_recursive_dict(self): d = {} d[1] = d s = self.dumps(d) x = self.loads(s) self.assertEqual(x, d) self.assertEqual(x[1], x) self.assertEqual(id(x[1]), id(x)) def test_recursive_inst(self): i = C() i.attr = i s = self.dumps(i) x = self.loads(s) self.assertEqual(x, i) self.assertEqual(x.attr, x) self.assertEqual(id(x.attr), id(x)) def test_recursive_multi(self): l = [] d = {1:l} i = C() i.attr = d l.append(i) s = self.dumps(l) x = self.loads(s) self.assertEqual(x, l) self.assertEqual(x[0], i) self.assertEqual(x[0].attr, d) self.assertEqual(x[0].attr[1], x) self.assertEqual(x[0].attr[1][0], i) self.assertEqual(x[0].attr[1][0].attr, d) def test_garyp(self): self.assertRaises(self.error, self.loads, 'garyp') def test_insecure_strings(self): 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 "'\\'", # trailing backslash # some tests of the quoting rules #"'abc\"\''", #"'\\\\a\'\'\'\\\'\\\\\''", ] for s in insecure: buf = "S" + s + "\012p0\012." self.assertRaises(ValueError, self.loads, buf) if have_unicode: def test_unicode(self): endcases = [unicode(''), unicode('<\\u>'), unicode('<\\\u1234>'), unicode('<\n>'), unicode('<\\>')] for u in endcases: p = self.dumps(u) u2 = self.loads(p) self.assertEqual(u2, u) def test_ints(self): import sys n = sys.maxint while n: for expected in (-n, n): s = self.dumps(expected) n2 = self.loads(s) self.assertEqual(expected, n2) n = n >> 1 def test_maxint64(self): maxint64 = (1L << 63) - 1 data = 'I' + str(maxint64) + '\n.' got = self.loads(data) self.assertEqual(got, maxint64) # Try too with a bogus literal. data = 'I' + str(maxint64) + 'JUNK\n.' self.assertRaises(ValueError, self.loads, data) def test_reduce(self): pass def test_getinitargs(self): pass def test_metaclass(self): a = use_metaclass() s = self.dumps(a) b = self.loads(s) self.assertEqual(a.__class__, b.__class__) def test_structseq(self): import time t = time.localtime() s = self.dumps(t) u = self.loads(s) self.assertEqual(t, u) import os if hasattr(os, "stat"): t = os.stat(os.curdir) s = self.dumps(t) u = self.loads(s) self.assertEqual(t, u) if hasattr(os, "statvfs"): t = os.statvfs(os.curdir) s = self.dumps(t) u = self.loads(s) self.assertEqual(t, u) class AbstractPickleModuleTests(unittest.TestCase): def test_dump_closed_file(self): import os f = open(TESTFN, "w") try: f.close() self.assertRaises(ValueError, self.module.dump, 123, f) finally: os.remove(TESTFN) def test_load_closed_file(self): import os f = open(TESTFN, "w") try: f.close() self.assertRaises(ValueError, self.module.dump, 123, f) finally: os.remove(TESTFN)