Python jelly.unjelly函数代码示例

 def test_classSecurity(self):
     """
     Test for class-level security of serialization.
     """
     taster = jelly.SecurityOptions()
     taster.allowInstancesOf(A, B)
     a = A()
     b = B()
     c = C()
     # add a little complexity to the data
     a.b = b
     a.c = c
     # and a backreference
     a.x = b
     b.c = c
     # first, a friendly insecure serialization
     friendly = jelly.jelly(a, taster)
     x = jelly.unjelly(friendly, taster)
     self.assertIsInstance(x.c, jelly.Unpersistable)
     # now, a malicious one
     mean = jelly.jelly(a)
     self.assertRaises(jelly.InsecureJelly, jelly.unjelly, mean, taster)
     self.assertIdentical(x.x, x.b, "Identity mismatch")
     # test class serialization
     friendly = jelly.jelly(A, taster)
     x = jelly.unjelly(friendly, taster)
     self.assertIdentical(x, A, "A came back: %s" % x)

 def testClassSecurity(self):
     """
     test for class-level security of serialization
     """
     taster = jelly.SecurityOptions()
     taster.allowInstancesOf(A, B)
     a = A()
     b = B()
     c = C()
     # add a little complexity to the data
     a.b = b
     a.c = c
     # and a backreference
     a.x = b
     b.c = c
     # first, a friendly insecure serialization
     friendly = jelly.jelly(a, taster)
     x = jelly.unjelly(friendly, taster)
     assert isinstance(x.c, jelly.Unpersistable), "C came back: %s" % x.c.__class__
     # now, a malicious one
     mean = jelly.jelly(a)
     try:
         x = jelly.unjelly(mean, taster)
         assert 0, "x came back: %s" % x
     except jelly.InsecureJelly:
         # OK
         pass
     assert x.x is x.b, "Identity mismatch"

 def testLotsaTypes(self):
     """
     test for all types currently supported in jelly
     """
     a = A()
     jelly.unjelly(jelly.jelly(a))
     jelly.unjelly(jelly.jelly(a.amethod))
     items = [afunc, [1, 2, 3], not bool(1), bool(1), 'test', 20.3, (1,2,3), None, A, unittest, {'a':1}, A.amethod]
     for i in items:
         self.assertEquals(i, jelly.unjelly(jelly.jelly(i)))

 def testSerialize(self):
     text = N_("Something is really wrong.")
     self.cmsg = messages.Error(T_(text))
     self.mmsg = jelly.unjelly(jelly.jelly(self.cmsg))
     t = self.mmsg.translatables[0]
     self.assertEquals(t.format, "Something is really wrong.")
     self.assertEquals(self.mmsg.level, messages.ERROR)
     self.amsg = jelly.unjelly(jelly.jelly(self.mmsg))
     t = self.amsg.translatables[0]
     self.assertEquals(t.format, "Something is really wrong.")
     self.assertEquals(self.amsg.level, messages.ERROR)

 def testTypeSecurity(self):
     """
     test for type-level security of serialization
     """
     taster = jelly.SecurityOptions()
     dct = jelly.jelly({})
     try:
         jelly.unjelly(dct, taster)
         assert 0, "Insecure Jelly unjellied successfully."
     except jelly.InsecureJelly:
         # OK, works
         pass

 def test_deprecatedUnjellyingInstanceAtom(self):
     """
     Unjellying the instance atom is deprecated with 15.0.0.
     """
     jelly.unjelly(["instance", ["class", "twisted.test.test_jelly.A"], ["dictionary"]])
     warnings = self.flushWarnings()
     self.assertEqual(len(warnings), 1)
     self.assertEqual(
         warnings[0]["message"],
         "Unjelly support for the instance atom is deprecated since "
         "Twisted 15.0.0.  Upgrade peer for modern instance support.",
     )
     self.assertEqual(warnings[0]["category"], DeprecationWarning)

    def testPersistentStorage(self):
        perst = [{}, 1]
        def persistentStore(obj, jel, perst = perst):
            perst[1] = perst[1] + 1
            perst[0][perst[1]] = obj
            return str(perst[1])

        def persistentLoad(pidstr, unj, perst = perst):
            pid = int(pidstr)
            return perst[0][pid]

        a = SimpleJellyTest(1, 2)
        b = SimpleJellyTest(3, 4)
        c = SimpleJellyTest(5, 6)

        a.b = b
        a.c = c
        c.b = b

        jel = jelly.jelly(a, persistentStore = persistentStore)
        x = jelly.unjelly(jel, persistentLoad = persistentLoad)

        assert x.b is x.c.b, "Identity failure."
        # assert len(perst) == 3, "persistentStore should only be called 3 times."
        assert perst[0], "persistentStore was not called."
        assert x.b is a.b, "Persistent storage identity failure."

    def test_persistentStorage(self):
        perst = [{}, 1]

        def persistentStore(obj, jel, perst=perst):
            perst[1] = perst[1] + 1
            perst[0][perst[1]] = obj
            return str(perst[1])

        def persistentLoad(pidstr, unj, perst=perst):
            pid = int(pidstr)
            return perst[0][pid]

        a = SimpleJellyTest(1, 2)
        b = SimpleJellyTest(3, 4)
        c = SimpleJellyTest(5, 6)

        a.b = b
        a.c = c
        c.b = b

        jel = jelly.jelly(a, persistentStore=persistentStore)
        x = jelly.unjelly(jel, persistentLoad=persistentLoad)

        self.assertIdentical(x.b, x.c.b)
        self.failUnless(perst[0], "persistentStore was not called.")
        self.assertIdentical(x.b, a.b, "Persistent storage identity failure.")

 def test_twiceUnjelliedFailureCheck(self):
     """
     The object which results from jellying a L{CopyableFailure}, unjellying
     the result, creating a new L{CopyableFailure} from the result of that,
     jellying it, and finally unjellying the result of that has a check
     method which behaves the same way as the original L{CopyableFailure}'s
     check method.
     """
     original = pb.CopyableFailure(ZeroDivisionError())
     self.assertIdentical(original.check(ZeroDivisionError), ZeroDivisionError)
     self.assertIdentical(original.check(ArithmeticError), ArithmeticError)
     copiedOnce = jelly.unjelly(jelly.jelly(original, invoker=DummyInvoker()))
     derivative = pb.CopyableFailure(copiedOnce)
     copiedTwice = jelly.unjelly(jelly.jelly(derivative, invoker=DummyInvoker()))
     self.assertIdentical(copiedTwice.check(ZeroDivisionError), ZeroDivisionError)
     self.assertIdentical(copiedTwice.check(ArithmeticError), ArithmeticError)

 def test_methodSelfIdentity(self):
     a = A()
     b = B()
     a.bmethod = b.bmethod
     b.a = a
     im_ = jelly.unjelly(jelly.jelly(b)).a.bmethod
     self.assertEqual(im_.im_class, im_.im_self.__class__)

 def test_moreReferences(self):
     a = []
     t = (a,)
     a.append((t,))
     s = jelly.jelly(t)
     z = jelly.unjelly(s)
     self.assertIdentical(z[0][0][0], z)

    def testInvalidate(self):
        mcomp = planet.ManagerComponentState()
        mflow = planet.ManagerFlowState()
        mstate = planet.ManagerPlanetState()

        mflow.append('components', mcomp)
        mstate.append('flows', mflow)

        astate = jelly.unjelly(jelly.jelly(mstate))
        self.failUnless(isinstance(astate, planet.AdminPlanetState))

        aflow, = astate.get('flows')
        acomp, = aflow.get('components')

        invalidates = []

        def invalidate(obj):
            invalidates.append(obj)

        astate.addListener(self, invalidate=invalidate)
        aflow.addListener(self, invalidate=invalidate)
        acomp.addListener(self, invalidate=invalidate)

        self.assertEquals(invalidates, [])
        astate.invalidate()
        self.assertEquals(invalidates, [acomp, aflow, astate])

 def test_stressReferences(self):
     reref = []
     toplevelTuple = ({"list": reref}, reref)
     reref.append(toplevelTuple)
     s = jelly.jelly(toplevelTuple)
     z = jelly.unjelly(s)
     self.assertIdentical(z[0]["list"], z[1])
     self.assertIdentical(z[0]["list"][0], z)

 def test_dateTime(self):
     dtn = datetime.datetime.now()
     dtd = datetime.datetime.now() - dtn
     input = [dtn, dtd]
     c = jelly.jelly(input)
     output = jelly.unjelly(c)
     self.assertEqual(input, output)
     self.assertNotIdentical(input, output)

 def test_typeBuiltin(self):
     """
     Test that a builtin type can be jellied and unjellied to the original
     type.
     """
     t = [str]
     r = jelly.unjelly(jelly.jelly(t))
     self.assertEqual(t, r)