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Posted to commits@tinkerpop.apache.org by ok...@apache.org on 2017/07/24 20:27:53 UTC

[7/7] tinkerpop git commit: had to organize the tp32 changes to work with how we re-org'd Gremlin-Python in 3.3.0. A little painful, but got it.

had to organize the tp32 changes to work with how we re-org'd Gremlin-Python in 3.3.0. A little painful, but got it.


Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo
Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/fcd623ce
Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/fcd623ce
Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/fcd623ce

Branch: refs/heads/master
Commit: fcd623ce3f725245e9a77ca5ed09173b706a88f7
Parents: 957ed09 9a33651
Author: Marko A. Rodriguez <ok...@gmail.com>
Authored: Mon Jul 24 14:27:42 2017 -0600
Committer: Marko A. Rodriguez <ok...@gmail.com>
Committed: Mon Jul 24 14:27:42 2017 -0600

----------------------------------------------------------------------
 CHANGELOG.asciidoc                              |  2 +
 .../gremlin/process/remote/RemoteGraph.java     |  8 ---
 .../process/traversal/step/map/AddEdgeStep.java | 18 ++++--
 .../gremlin_python/structure/io/graphsonV2d0.py |  1 -
 .../driver/test_driver_remote_connection.py     | 19 ++++++-
 .../tests/structure/io/test_graphsonV2d0.py     | 59 +++++++++++++-------
 .../tests/structure/io/test_graphsonV3d0.py     | 22 ++++++++
 .../process/traversal/step/map/AddEdgeTest.java | 27 +++++++++
 8 files changed, 120 insertions(+), 36 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/fcd623ce/CHANGELOG.asciidoc
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/fcd623ce/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/remote/RemoteGraph.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/fcd623ce/gremlin-python/src/main/jython/gremlin_python/structure/io/graphsonV2d0.py
----------------------------------------------------------------------
diff --cc gremlin-python/src/main/jython/gremlin_python/structure/io/graphsonV2d0.py
index 395bdef,0000000..eedc4bc
mode 100644,000000..100644
--- a/gremlin-python/src/main/jython/gremlin_python/structure/io/graphsonV2d0.py
+++ b/gremlin-python/src/main/jython/gremlin_python/structure/io/graphsonV2d0.py
@@@ -1,404 -1,0 +1,403 @@@
 +'''
 +Licensed to the Apache Software Foundation (ASF) under one
 +or more contributor license agreements.  See the NOTICE file
 +distributed with this work for additional information
 +regarding copyright ownership.  The ASF licenses this file
 +to you under the Apache License, Version 2.0 (the
 +"License"); you may not use this file except in compliance
 +with the License.  You may obtain a copy of the License at
 +
 +http://www.apache.org/licenses/LICENSE-2.0
 +
 +Unless required by applicable law or agreed to in writing,
 +software distributed under the License is distributed on an
 +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 +KIND, either express or implied.  See the License for the
 +specific language governing permissions and limitations
 +under the License.
 +'''
 +from aenum import Enum
 +import json
 +import six
 +from collections import OrderedDict
 +
 +from gremlin_python import statics
 +from gremlin_python.statics import FloatType, FunctionType, IntType, LongType, TypeType
 +from gremlin_python.process.traversal import Binding, Bytecode, P, Traversal, Traverser, TraversalStrategy
 +from gremlin_python.structure.graph import Edge, Property, Vertex, VertexProperty, Path
 +
 +# When we fall back to a superclass's serializer, we iterate over this map.
 +# We want that iteration order to be consistent, so we use an OrderedDict,
 +# not a dict.
 +_serializers = OrderedDict()
 +_deserializers = {}
 +
 +
 +class GraphSONTypeType(type):
 +    def __new__(mcs, name, bases, dct):
 +        cls = super(GraphSONTypeType, mcs).__new__(mcs, name, bases, dct)
 +        if not name.startswith('_'):
 +            if cls.python_type:
 +                _serializers[cls.python_type] = cls
 +            if cls.graphson_type:
 +                _deserializers[cls.graphson_type] = cls
 +        return cls
 +
 +
 +class GraphSONUtil(object):
 +    TYPE_KEY = "@type"
 +    VALUE_KEY = "@value"
 +
 +    @classmethod
 +    def typedValue(cls, type_name, value, prefix="g"):
 +        out = {cls.TYPE_KEY: cls.formatType(prefix, type_name)}
 +        if value is not None:
 +            out[cls.VALUE_KEY] = value
 +        return out
 +
 +    @classmethod
 +    def formatType(cls, prefix, type_name):
 +        return "%s:%s" % (prefix, type_name)
 +
 +
 +# Read/Write classes split to follow precedence of the Java API
 +class GraphSONWriter(object):
 +    def __init__(self, serializer_map=None):
 +        """
 +        :param serializer_map: map from Python type to serializer instance implementing `dictify`
 +        """
 +        self.serializers = _serializers.copy()
 +        if serializer_map:
 +            self.serializers.update(serializer_map)
 +
 +    def writeObject(self, objectData):
 +        # to JSON
 +        return json.dumps(self.toDict(objectData), separators=(',', ':'))
 +
 +    def toDict(self, obj):
 +        """
 +        Encodes python objects in GraphSON type-tagged dict values
 +        """
 +        try:
 +            return self.serializers[type(obj)].dictify(obj, self)
 +        except KeyError:
 +            for key, serializer in self.serializers.items():
 +                if isinstance(obj, key):
 +                    return serializer.dictify(obj, self)
 +
 +        # list and map are treated as normal json objs (could be isolated serializers)
 +        if isinstance(obj, (list, set)):
 +            return [self.toDict(o) for o in obj]
 +        elif isinstance(obj, dict):
 +            return dict((self.toDict(k), self.toDict(v)) for k, v in obj.items())
 +        else:
 +            return obj
 +
 +
 +class GraphSONReader(object):
 +    def __init__(self, deserializer_map=None):
 +        """
 +        :param deserializer_map: map from GraphSON type tag to deserializer instance implementing `objectify`
 +        """
 +        self.deserializers = _deserializers.copy()
 +        if deserializer_map:
 +            self.deserializers.update(deserializer_map)
 +
 +    def readObject(self, jsonData):
 +        # from JSON
 +        return self.toObject(json.loads(jsonData))
 +
 +    def toObject(self, obj):
 +        """
 +        Unpacks GraphSON type-tagged dict values into objects mapped in self.deserializers
 +        """
 +        if isinstance(obj, dict):
 +            try:
 +                return self.deserializers[obj[GraphSONUtil.TYPE_KEY]].objectify(obj[GraphSONUtil.VALUE_KEY], self)
 +            except KeyError:
 +                pass
 +            # list and map are treated as normal json objs (could be isolated deserializers)
 +            return dict((self.toObject(k), self.toObject(v)) for k, v in obj.items())
 +        elif isinstance(obj, list):
 +            return [self.toObject(o) for o in obj]
 +        else:
 +            return obj
 +
 +
 +@six.add_metaclass(GraphSONTypeType)
 +class _GraphSONTypeIO(object):
 +    python_type = None
 +    graphson_type = None
 +
 +    symbolMap = {"global_": "global", "as_": "as", "in_": "in", "and_": "and",
 +                 "or_": "or", "is_": "is", "not_": "not", "from_": "from",
 +                 "set_": "set", "list_": "list", "all_": "all"}
 +
 +    @classmethod
 +    def unmangleKeyword(cls, symbol):
 +        return cls.symbolMap.get(symbol, symbol)
 +
 +    def dictify(self, obj, writer):
 +        raise NotImplementedError()
 +
 +    def objectify(self, d, reader):
 +        raise NotImplementedError()
 +
 +
 +class _BytecodeSerializer(_GraphSONTypeIO):
 +    @classmethod
 +    def _dictify_instructions(cls, instructions, writer):
 +        out = []
 +        for instruction in instructions:
 +            inst = [instruction[0]]
 +            inst.extend(writer.toDict(arg) for arg in instruction[1:])
 +            out.append(inst)
 +        return out
 +
 +    @classmethod
 +    def dictify(cls, bytecode, writer):
 +        if isinstance(bytecode, Traversal):
 +            bytecode = bytecode.bytecode
 +        out = {}
 +        if bytecode.source_instructions:
 +            out["source"] = cls._dictify_instructions(bytecode.source_instructions, writer)
 +        if bytecode.step_instructions:
 +            out["step"] = cls._dictify_instructions(bytecode.step_instructions, writer)
 +        return GraphSONUtil.typedValue("Bytecode", out)
 +
- 
 +class TraversalSerializer(_BytecodeSerializer):
 +    python_type = Traversal
 +
 +
 +class BytecodeSerializer(_BytecodeSerializer):
 +    python_type = Bytecode
 +
 +
 +class VertexSerializer(_GraphSONTypeIO):
 +    python_type = Vertex
 +    graphson_type = "g:Vertex"
 +
 +    @classmethod
 +    def dictify(cls, vertex, writer):
 +        return GraphSONUtil.typedValue("Vertex", {"id": writer.toDict(vertex.id),
 +                                                  "label": writer.toDict(vertex.label)})
 +
 +
 +class EdgeSerializer(_GraphSONTypeIO):
 +    python_type = Edge
 +    graphson_type = "g:Edge"
 +
 +    @classmethod
 +    def dictify(cls, edge, writer):
 +        return GraphSONUtil.typedValue("Edge", {"id": writer.toDict(edge.id),
 +                                                "outV": writer.toDict(edge.outV.id),
 +                                                "outVLabel": writer.toDict(edge.outV.label),
 +                                                "label": writer.toDict(edge.label),
 +                                                "inV": writer.toDict(edge.inV.id),
 +                                                "inVLabel": writer.toDict(edge.inV.label)})
 +
 +
 +class VertexPropertySerializer(_GraphSONTypeIO):
 +    python_type = VertexProperty
 +    graphson_type = "g:VertexProperty"
 +
 +    @classmethod
 +    def dictify(cls, vertex_property, writer):
 +        return GraphSONUtil.typedValue("VertexProperty", {"id": writer.toDict(vertex_property.id),
 +                                                          "label": writer.toDict(vertex_property.label),
 +                                                          "value": writer.toDict(vertex_property.value),
 +                                                          "vertex": writer.toDict(vertex_property.vertex.id)})
 +
 +
 +class PropertySerializer(_GraphSONTypeIO):
 +    python_type = Property
 +    graphson_type = "g:Property"
 +
 +    @classmethod
 +    def dictify(cls, property, writer):
 +        elementDict = writer.toDict(property.element)
 +        if elementDict is not None:
 +            valueDict = elementDict["@value"]
 +            if "outVLabel" in valueDict:
 +                del valueDict["outVLabel"]
 +            if "inVLabel" in valueDict:
 +                del valueDict["inVLabel"]
 +            if "properties" in valueDict:
 +                del valueDict["properties"]
 +            if "value" in valueDict:
 +                del valueDict["value"]
 +        return GraphSONUtil.typedValue("Property", {"key": writer.toDict(property.key),
 +                                                    "value": writer.toDict(property.value),
 +                                                    "element": elementDict})
 +
 +
 +class TraversalStrategySerializer(_GraphSONTypeIO):
 +    python_type = TraversalStrategy
 +
 +    @classmethod
 +    def dictify(cls, strategy, writer):
 +        return GraphSONUtil.typedValue(strategy.strategy_name, writer.toDict(strategy.configuration))
 +
 +
 +class TraverserIO(_GraphSONTypeIO):
 +    python_type = Traverser
 +    graphson_type = "g:Traverser"
 +
 +    @classmethod
 +    def dictify(cls, traverser, writer):
 +        return GraphSONUtil.typedValue("Traverser", {"value": writer.toDict(traverser.object),
 +                                                     "bulk": writer.toDict(traverser.bulk)})
 +
 +    @classmethod
 +    def objectify(cls, d, reader):
 +        return Traverser(reader.toObject(d["value"]),
 +                         reader.toObject(d["bulk"]))
 +
 +
 +class EnumSerializer(_GraphSONTypeIO):
 +    python_type = Enum
 +
 +    @classmethod
 +    def dictify(cls, enum, _):
 +        return GraphSONUtil.typedValue(cls.unmangleKeyword(type(enum).__name__),
 +                                       cls.unmangleKeyword(str(enum.name)))
 +
 +
 +class PSerializer(_GraphSONTypeIO):
 +    python_type = P
 +
 +    @classmethod
 +    def dictify(cls, p, writer):
 +        out = {"predicate": p.operator,
 +               "value": [writer.toDict(p.value), writer.toDict(p.other)] if p.other is not None else
 +               writer.toDict(p.value)}
 +        return GraphSONUtil.typedValue("P", out)
 +
 +
 +class BindingSerializer(_GraphSONTypeIO):
 +    python_type = Binding
 +
 +    @classmethod
 +    def dictify(cls, binding, writer):
 +        out = {"key": binding.key,
 +               "value": writer.toDict(binding.value)}
 +        return GraphSONUtil.typedValue("Binding", out)
 +
 +
 +class LambdaSerializer(_GraphSONTypeIO):
 +    python_type = FunctionType
 +
 +    @classmethod
 +    def dictify(cls, lambda_object, writer):
 +        lambda_result = lambda_object()
 +        script = lambda_result if isinstance(lambda_result, str) else lambda_result[0]
 +        language = statics.default_lambda_language if isinstance(lambda_result, str) else lambda_result[1]
 +        out = {"script": script,
 +               "language": language}
 +        if language == "gremlin-jython" or language == "gremlin-python":
 +            if not script.strip().startswith("lambda"):
 +                script = "lambda " + script
 +                out["script"] = script
 +            out["arguments"] = six.get_function_code(eval(out["script"])).co_argcount
 +        else:
 +            out["arguments"] = -1
 +        return GraphSONUtil.typedValue("Lambda", out)
 +
 +
 +class TypeSerializer(_GraphSONTypeIO):
 +    python_type = TypeType
 +
 +    @classmethod
 +    def dictify(cls, typ, writer):
 +        return writer.toDict(typ())
 +
 +
 +class _NumberIO(_GraphSONTypeIO):
 +    @classmethod
 +    def dictify(cls, n, writer):
 +        if isinstance(n, bool):  # because isinstance(False, int) and isinstance(True, int)
 +            return n
 +        return GraphSONUtil.typedValue(cls.graphson_base_type, n)
 +
 +    @classmethod
 +    def objectify(cls, v, _):
 +        return cls.python_type(v)
 +
 +
 +class FloatIO(_NumberIO):
 +    python_type = FloatType
 +    graphson_type = "g:Float"
 +    graphson_base_type = "Float"
 +
 +
 +class DoubleIO(FloatIO):
 +    graphson_type = "g:Double"
 +    graphson_base_type = "Double"
 +
 +
 +class Int64IO(_NumberIO):
 +    python_type = LongType
 +    graphson_type = "g:Int64"
 +    graphson_base_type = "Int64"
 +
 +
 +class Int32IO(_NumberIO):
 +    python_type = IntType
 +    graphson_type = "g:Int32"
 +    graphson_base_type = "Int32"
 +
 +    @classmethod
 +    def dictify(cls, n, writer):
 +        if isinstance(n, bool):
 +            return n
 +        return GraphSONUtil.typedValue(cls.graphson_base_type, n)
 +
 +
 +class VertexDeserializer(_GraphSONTypeIO):
 +    graphson_type = "g:Vertex"
 +
 +    @classmethod
 +    def objectify(cls, d, reader):
 +        return Vertex(reader.toObject(d["id"]), d.get("label", "vertex"))
 +
 +
 +class EdgeDeserializer(_GraphSONTypeIO):
 +    graphson_type = "g:Edge"
 +
 +    @classmethod
 +    def objectify(cls, d, reader):
 +        return Edge(reader.toObject(d["id"]),
 +                    Vertex(reader.toObject(d["outV"]), d.get("outVLabel", "vertex")),
 +                    d.get("label", "edge"),
 +                    Vertex(reader.toObject(d["inV"]), d.get("inVLabel", "vertex")))
 +
 +
 +class VertexPropertyDeserializer(_GraphSONTypeIO):
 +    graphson_type = "g:VertexProperty"
 +
 +    @classmethod
 +    def objectify(cls, d, reader):
 +        vertex = Vertex(reader.toObject(d.get("vertex"))) if "vertex" in d else None
 +        return VertexProperty(reader.toObject(d["id"]),
 +                              d["label"],
 +                              reader.toObject(d["value"]),
 +                              vertex)
 +
 +
 +class PropertyDeserializer(_GraphSONTypeIO):
 +    graphson_type = "g:Property"
 +
 +    @classmethod
 +    def objectify(cls, d, reader):
 +        element = reader.toObject(d["element"]) if "element" in d else None
 +        return Property(d["key"], reader.toObject(d["value"]), element)
 +
 +
 +class PathDeserializer(_GraphSONTypeIO):
 +    graphson_type = "g:Path"
 +
 +    @classmethod
 +    def objectify(cls, d, reader):
 +        labels = [set(label) for label in d["labels"]]
 +        objects = [reader.toObject(o) for o in d["objects"]]
 +        return Path(labels, objects)

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/fcd623ce/gremlin-python/src/main/jython/tests/driver/test_driver_remote_connection.py
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/fcd623ce/gremlin-python/src/main/jython/tests/structure/io/test_graphsonV2d0.py
----------------------------------------------------------------------
diff --cc gremlin-python/src/main/jython/tests/structure/io/test_graphsonV2d0.py
index 6bc5097,0000000..8f6285f
mode 100644,000000..100644
--- a/gremlin-python/src/main/jython/tests/structure/io/test_graphsonV2d0.py
+++ b/gremlin-python/src/main/jython/tests/structure/io/test_graphsonV2d0.py
@@@ -1,273 -1,0 +1,294 @@@
 +'''
 +Licensed to the Apache Software Foundation (ASF) under one
 +or more contributor license agreements.  See the NOTICE file
 +distributed with this work for additional information
 +regarding copyright ownership.  The ASF licenses this file
 +to you under the Apache License, Version 2.0 (the
 +"License"); you may not use this file except in compliance
 +with the License.  You may obtain a copy of the License at
 +
 +http://www.apache.org/licenses/LICENSE-2.0
 +
 +Unless required by applicable law or agreed to in writing,
 +software distributed under the License is distributed on an
 +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 +KIND, either express or implied.  See the License for the
 +specific language governing permissions and limitations
 +under the License.
 +'''
 +
 +__author__ = 'Marko A. Rodriguez (http://markorodriguez.com)'
 +
 +import sys
 +import json
 +from mock import Mock
 +
 +import six
 +
 +from gremlin_python.statics import *
 +from gremlin_python.structure.graph import Vertex, Edge, Property, VertexProperty
 +from gremlin_python.structure.graph import Path
 +from gremlin_python.structure.io.graphsonV2d0 import GraphSONWriter, GraphSONReader, GraphSONUtil
 +import gremlin_python.structure.io.graphsonV2d0
 +from gremlin_python.process.traversal import P
 +from gremlin_python.process.strategies import SubgraphStrategy
 +from gremlin_python.process.graph_traversal import __
 +
 +
 +class TestGraphSONReader(object):
 +    graphson_reader = GraphSONReader()
 +
 +    def test_number_input(self):
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Int32",
 +            "@value": 31
 +        }))
 +        assert isinstance(x, int)
 +        assert 31 == x
 +        ##
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Int64",
 +            "@value": 31
 +        }))
 +        assert isinstance(x, long)
 +        assert long(31) == x
 +        ##
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Float",
 +            "@value": 31.3
 +        }))
 +        assert isinstance(x, float)
 +        assert 31.3 == x
 +        ##
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Double",
 +            "@value": 31.2
 +        }))
 +        assert isinstance(x, float)
 +        assert 31.2 == x
 +
 +    def test_graph(self):
 +        vertex = self.graphson_reader.readObject("""
 +        {"@type":"g:Vertex", "@value":{"id":{"@type":"g:Int32","@value":1},"label":"person","outE":{"created":[{"id":{"@type":"g:Int32","@value":9},"inV":{"@type":"g:Int32","@value":3},"properties":{"weight":{"@type":"g:Double","@value":0.4}}}],"knows":[{"id":{"@type":"g:Int32","@value":7},"inV":{"@type":"g:Int32","@value":2},"properties":{"weight":{"@type":"g:Double","@value":0.5}}},{"id":{"@type":"g:Int32","@value":8},"inV":{"@type":"g:Int32","@value":4},"properties":{"weight":{"@type":"g:Double","@value":1.0}}}]},"properties":{"name":[{"id":{"@type":"g:Int64","@value":0},"value":"marko"}],"age":[{"id":{"@type":"g:Int64","@value":1},"value":{"@type":"g:Int32","@value":29}}]}}}""")
 +        assert isinstance(vertex, Vertex)
 +        assert "person" == vertex.label
 +        assert 1 == vertex.id
 +        assert isinstance(vertex.id, int)
 +        assert vertex == Vertex(1)
 +        ##
 +        vertex = self.graphson_reader.readObject("""
 +        {"@type":"g:Vertex", "@value":{"id":{"@type":"g:Float","@value":45.23}}}""")
 +        assert isinstance(vertex, Vertex)
 +        assert 45.23 == vertex.id
 +        assert isinstance(vertex.id, FloatType)
 +        assert "vertex" == vertex.label
 +        assert vertex == Vertex(45.23)
 +        ##
 +        vertex_property = self.graphson_reader.readObject("""
 +        {"@type":"g:VertexProperty", "@value":{"id":"anId","label":"aKey","value":true,"vertex":{"@type":"g:Int32","@value":9}}}""")
 +        assert isinstance(vertex_property, VertexProperty)
 +        assert "anId" == vertex_property.id
 +        assert "aKey" == vertex_property.label
 +        assert vertex_property.value
 +        assert vertex_property.vertex == Vertex(9)
 +        ##
 +        vertex_property = self.graphson_reader.readObject("""
 +        {"@type":"g:VertexProperty", "@value":{"id":{"@type":"g:Int32","@value":1},"label":"name","value":"marko"}}""")
 +        assert isinstance(vertex_property, VertexProperty)
 +        assert 1 == vertex_property.id
 +        assert "name" == vertex_property.label
 +        assert "marko" == vertex_property.value
 +        assert vertex_property.vertex is None
 +        ##
 +        edge = self.graphson_reader.readObject("""
 +        {"@type":"g:Edge", "@value":{"id":{"@type":"g:Int64","@value":17},"label":"knows","inV":"x","outV":"y","inVLabel":"xLab","properties":{"aKey":"aValue","bKey":true}}}""")
 +        # print edge
 +        assert isinstance(edge, Edge)
 +        assert 17 == edge.id
 +        assert "knows" == edge.label
 +        assert edge.inV == Vertex("x", "xLabel")
 +        assert edge.outV == Vertex("y", "vertex")
 +        ##
 +        property = self.graphson_reader.readObject("""
 +        {"@type":"g:Property", "@value":{"key":"aKey","value":{"@type":"g:Int64","@value":17},"element":{"@type":"g:Edge","@value":{"id":{"@type":"g:Int64","@value":122},"label":"knows","inV":"x","outV":"y","inVLabel":"xLab"}}}}""")
 +        # print property
 +        assert isinstance(property, Property)
 +        assert "aKey" == property.key
 +        assert 17 == property.value
 +        assert Edge(122, Vertex("x"), "knows", Vertex("y")) == property.element
 +
 +    def test_path(self):
 +        path = self.graphson_reader.readObject(
 +            """{"@type":"g:Path","@value":{"labels":[["a"],["b","c"],[]],"objects":[{"@type":"g:Vertex","@value":{"id":{"@type":"g:Int32","@value":1},"label":"person","properties":{"name":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":0},"value":"marko","label":"name"}}],"age":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":1},"value":{"@type":"g:Int32","@value":29},"label":"age"}}]}}},{"@type":"g:Vertex","@value":{"id":{"@type":"g:Int32","@value":3},"label":"software","properties":{"name":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":4},"value":"lop","label":"name"}}],"lang":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":5},"value":"java","label":"lang"}}]}}},"lop"]}}"""
 +        )
 +        assert isinstance(path, Path)
 +        if six.PY3:
 +            assert "[v[1], v[3], 'lop']" == str(path)
 +        else:
 +            assert "[v[1], v[3], u'lop']" == str(path)
 +        assert Vertex(1) == path[0]
 +        assert Vertex(1) == path["a"]
 +        assert "lop" == path[2]
 +        assert 3 == len(path)
 +
 +    def test_custom_mapping(self):
 +
 +        # extended mapping
 +        class X(object):
 +            pass
 +
 +        type_string = "test:Xtype"
 +        override_string = "g:Int64"
 +        serdes = Mock()
 +
 +        reader = GraphSONReader(deserializer_map={type_string: serdes})
 +        assert type_string in reader.deserializers
 +
 +        # base dicts are not modified
 +        assert type_string not in gremlin_python.structure.io.graphsonV2d0._deserializers
 +
 +        x = X()
 +        o = reader.toObject({GraphSONUtil.TYPE_KEY: type_string, GraphSONUtil.VALUE_KEY: x})
 +        serdes.objectify.assert_called_once_with(x, reader)
 +        assert o is serdes.objectify()
 +
 +        # overridden mapping
 +        type_string = "g:Int64"
 +        serdes = Mock()
 +        reader = GraphSONReader(deserializer_map={type_string: serdes, override_string: serdes})
 +        assert gremlin_python.structure.io.graphsonV2d0._deserializers[type_string] is not reader.deserializers[type_string]
 +
 +        value = 3
 +        o = reader.toObject({GraphSONUtil.TYPE_KEY: type_string, GraphSONUtil.VALUE_KEY: value})
 +        serdes.objectify.assert_called_once_with(value, reader)
 +        assert o is serdes.objectify()
 +
 +class TestGraphSONWriter(object):
- 
 +    graphson_writer = GraphSONWriter()
++    graphson_reader = GraphSONReader()
 +
 +    def test_number_output(self):
 +        assert {"@type": "g:Int64", "@value": 2} == json.loads(self.graphson_writer.writeObject(long(2)))
 +        assert {"@type": "g:Int32", "@value": 1} == json.loads(self.graphson_writer.writeObject(1))
 +        assert {"@type": "g:Double", "@value": 3.2} == json.loads(self.graphson_writer.writeObject(3.2))
 +        assert """true""" == self.graphson_writer.writeObject(True)
 +
 +    def test_numbers(self):
 +        assert {"@type": "g:Int64", "@value": 2} == json.loads(self.graphson_writer.writeObject(long(2)))
 +        assert {"@type": "g:Int32", "@value": 1} == json.loads(self.graphson_writer.writeObject(1))
 +        assert {"@type": "g:Double", "@value": 3.2} == json.loads(self.graphson_writer.writeObject(3.2))
 +        assert """true""" == self.graphson_writer.writeObject(True)
 +
 +    def test_P(self):
 +        result = {'@type': 'g:P',
 +                  '@value': {
-                      'predicate': 'and',
-                      'value': [{
-                         '@type': 'g:P',
-                         '@value': {
-                             'predicate': 'or',
-                             'value': [{
-                                 '@type': 'g:P',
-                                 '@value': {'predicate': 'lt', 'value': 'b'}
-                             },
-                             {'@type': 'g:P', '@value': {'predicate': 'gt', 'value': 'c'}}
-                             ]
-                         }
-                     },
-                     {'@type': 'g:P', '@value': {'predicate': 'neq', 'value': 'd'}}]}}
- 
-         assert  result == json.loads(
++                      'predicate': 'and',
++                      'value': [{
++                          '@type': 'g:P',
++                          '@value': {
++                              'predicate': 'or',
++                              'value': [{
++                                  '@type': 'g:P',
++                                  '@value': {'predicate': 'lt', 'value': 'b'}
++                              },
++                                  {'@type': 'g:P', '@value': {'predicate': 'gt', 'value': 'c'}}
++                              ]
++                          }
++                      },
++                          {'@type': 'g:P', '@value': {'predicate': 'neq', 'value': 'd'}}]}}
++
++        assert result == json.loads(
 +            self.graphson_writer.writeObject(P.lt("b").or_(P.gt("c")).and_(P.neq("d"))))
 +
 +        result = {'@type': 'g:P', '@value': {'predicate':'within','value': [{"@type": "g:Int32", "@value": 1},{"@type": "g:Int32", "@value": 2}]}}
 +        assert result == json.loads(self.graphson_writer.writeObject(P.within([1,2])))
 +
 +    def test_strategies(self):
 +        # we have a proxy model for now given that we don't want to have to have g:XXX all registered on the Gremlin traversal machine (yet)
 +        assert {"@type": "g:SubgraphStrategy", "@value": {}} == json.loads(
 +            self.graphson_writer.writeObject(SubgraphStrategy))
 +        assert {"@type": "g:SubgraphStrategy", "@value": {
 +            "vertices": {"@type": "g:Bytecode", "@value": {"step": [["has", "name", "marko"]]}}}} == json.loads(
 +            self.graphson_writer.writeObject(SubgraphStrategy(vertices=__.has("name", "marko"))))
 +
 +    def test_graph(self):
 +        # TODO: this assert is not compatible with python 3 and now that we test with both 2 and 3 it fails
 +        assert {"@type": "g:Vertex", "@value": {"id": {"@type": "g:Int64", "@value": 12}, "label": "person"}} == json.loads(self.graphson_writer.writeObject(Vertex(long(12), "person")))
 +
 +        assert {"@type": "g:Edge", "@value": {"id": {"@type": "g:Int32", "@value": 7},
 +                                              "outV": {"@type": "g:Int32", "@value": 0},
 +                                              "outVLabel": "person",
 +                                              "label": "knows",
 +                                              "inV": {"@type": "g:Int32", "@value": 1},
 +                                              "inVLabel": "dog"}} == json.loads(
 +            self.graphson_writer.writeObject(Edge(7, Vertex(0, "person"), "knows", Vertex(1, "dog"))))
 +        assert {"@type": "g:VertexProperty", "@value": {"id": "blah", "label": "keyA", "value": True,
 +                                                        "vertex": "stephen"}} == json.loads(
 +            self.graphson_writer.writeObject(VertexProperty("blah", "keyA", True, Vertex("stephen"))))
 +
 +        assert {"@type": "g:Property",
 +                "@value": {"key": "name", "value": "marko", "element": {"@type": "g:VertexProperty",
 +                                                                        "@value": {
 +                                                                            "vertex": "vertexId",
 +                                                                            "id": {"@type": "g:Int32", "@value": 1234},
 +                                                                            "label": "aKey"}}}} == json.loads(
 +            self.graphson_writer.writeObject(
 +                Property("name", "marko", VertexProperty(1234, "aKey", 21345, Vertex("vertexId")))))
 +
++        vertex = self.graphson_reader.readObject(self.graphson_writer.writeObject(Vertex(1, "person")))
++        assert 1 == vertex.id
++        assert "person" == vertex.label
++
++        edge = self.graphson_reader.readObject(
++            self.graphson_writer.writeObject(Edge(3, Vertex(1, "person"), "knows", Vertex(2, "dog"))))
++        assert "knows" == edge.label
++        assert 3 == edge.id
++        assert 1 == edge.outV.id
++        assert 2 == edge.inV.id
++
++        vertex_property = self.graphson_reader.readObject(
++            self.graphson_writer.writeObject(VertexProperty(1, "age", 32, Vertex(1))))
++        assert 1 == vertex_property.id
++        assert "age" == vertex_property.key
++        assert 32 == vertex_property.value
++
++        property = self.graphson_reader.readObject(self.graphson_writer.writeObject(Property("age", 32.2, Edge(1,Vertex(2),"knows",Vertex(3)))))
++        assert "age" == property.key
++        assert 32.2 == property.value
++
 +    def test_custom_mapping(self):
 +        # extended mapping
 +        class X(object):
 +            pass
 +
 +        serdes = Mock()
 +        writer = GraphSONWriter(serializer_map={X: serdes})
 +        assert X in writer.serializers
 +
 +        # base dicts are not modified
 +        assert X not in gremlin_python.structure.io.graphsonV2d0._serializers
 +
 +        obj = X()
 +        d = writer.toDict(obj)
 +        serdes.dictify.assert_called_once_with(obj, writer)
 +        assert d is serdes.dictify()
 +
 +        # overridden mapping
 +        serdes = Mock()
 +        writer = GraphSONWriter(serializer_map={int: serdes})
 +        assert gremlin_python.structure.io.graphsonV2d0._serializers[int] is not writer.serializers[int]
 +
 +        value = 3
 +        d = writer.toDict(value)
 +        serdes.dictify.assert_called_once_with(value, writer)
 +        assert d is serdes.dictify()
 +
 +    def test_write_long(self):
- 
 +        mapping = self.graphson_writer.toDict(1)
 +        assert mapping['@type'] == 'g:Int32'
 +        assert mapping['@value'] == 1
 +
 +        mapping = self.graphson_writer.toDict(long(1))
 +        assert mapping['@type'] == 'g:Int64'
-         assert mapping['@value'] == 1
++        assert mapping['@value'] == 1
++

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/fcd623ce/gremlin-python/src/main/jython/tests/structure/io/test_graphsonV3d0.py
----------------------------------------------------------------------
diff --cc gremlin-python/src/main/jython/tests/structure/io/test_graphsonV3d0.py
index 78798b3,0000000..b4dfcac
mode 100644,000000..100644
--- a/gremlin-python/src/main/jython/tests/structure/io/test_graphsonV3d0.py
+++ b/gremlin-python/src/main/jython/tests/structure/io/test_graphsonV3d0.py
@@@ -1,313 -1,0 +1,335 @@@
 +'''
 +Licensed to the Apache Software Foundation (ASF) under one
 +or more contributor license agreements.  See the NOTICE file
 +distributed with this work for additional information
 +regarding copyright ownership.  The ASF licenses this file
 +to you under the Apache License, Version 2.0 (the
 +"License"); you may not use this file except in compliance
 +with the License.  You may obtain a copy of the License at
 +
 +http://www.apache.org/licenses/LICENSE-2.0
 +
 +Unless required by applicable law or agreed to in writing,
 +software distributed under the License is distributed on an
 +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 +KIND, either express or implied.  See the License for the
 +specific language governing permissions and limitations
 +under the License.
 +'''
 +
 +__author__ = 'Marko A. Rodriguez (http://markorodriguez.com)'
 +
 +import json
 +from mock import Mock
 +
 +import six
 +
 +from gremlin_python.statics import *
 +from gremlin_python.structure.graph import Vertex, Edge, Property, VertexProperty
 +from gremlin_python.structure.graph import Path
 +from gremlin_python.structure.io.graphsonV3d0 import GraphSONWriter, GraphSONReader, GraphSONUtil
 +import gremlin_python.structure.io.graphsonV3d0
 +from gremlin_python.process.traversal import P
 +from gremlin_python.process.strategies import SubgraphStrategy
 +from gremlin_python.process.graph_traversal import __
 +
 +
 +class TestGraphSONReader(object):
 +    graphson_reader = GraphSONReader()
 +
 +    def test_collections(self):
 +        x = self.graphson_reader.readObject(
 +            json.dumps({"@type": "g:List", "@value": [{"@type": "g:Int32", "@value": 1},
 +                                                      {"@type": "g:Int32", "@value": 2},
 +                                                      "3"]}))
 +        assert isinstance(x, list)
 +        assert x[0] == 1
 +        assert x[1] == 2
 +        assert x[2] == "3"
 +        ##
 +        x = self.graphson_reader.readObject(
 +            json.dumps({"@type": "g:Set", "@value": [{"@type": "g:Int32", "@value": 1},
 +                                                     {"@type": "g:Int32", "@value": 2},
 +                                                     "3"]}))
 +        assert isinstance(x, set)
 +        assert x == set([1, 2, "3"])
 +        ##
 +        x = self.graphson_reader.readObject(
 +            json.dumps({"@type": "g:Map",
 +                        "@value": ['a', {"@type": "g:Int32", "@value": 1}, 'b', "marko"]}))
 +        assert isinstance(x, dict)
 +        assert x['a'] == 1
 +        assert x['b'] == "marko"
 +        assert len(x) == 2
 +
 +    def test_number_input(self):
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Int32",
 +            "@value": 31
 +        }))
 +        assert isinstance(x, int)
 +        assert 31 == x
 +        ##
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Int64",
 +            "@value": 31
 +        }))
 +        assert isinstance(x, long)
 +        assert long(31) == x
 +        ##
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Float",
 +            "@value": 31.3
 +        }))
 +        assert isinstance(x, float)
 +        assert 31.3 == x
 +        ##
 +        x = self.graphson_reader.readObject(json.dumps({
 +            "@type": "g:Double",
 +            "@value": 31.2
 +        }))
 +        assert isinstance(x, float)
 +        assert 31.2 == x
 +
 +    def test_graph(self):
 +        vertex = self.graphson_reader.readObject("""
 +        {"@type":"g:Vertex", "@value":{"id":{"@type":"g:Int32","@value":1},"label":"person","outE":{"created":[{"id":{"@type":"g:Int32","@value":9},"inV":{"@type":"g:Int32","@value":3},"properties":{"weight":{"@type":"g:Double","@value":0.4}}}],"knows":[{"id":{"@type":"g:Int32","@value":7},"inV":{"@type":"g:Int32","@value":2},"properties":{"weight":{"@type":"g:Double","@value":0.5}}},{"id":{"@type":"g:Int32","@value":8},"inV":{"@type":"g:Int32","@value":4},"properties":{"weight":{"@type":"g:Double","@value":1.0}}}]},"properties":{"name":[{"id":{"@type":"g:Int64","@value":0},"value":"marko"}],"age":[{"id":{"@type":"g:Int64","@value":1},"value":{"@type":"g:Int32","@value":29}}]}}}""")
 +        assert isinstance(vertex, Vertex)
 +        assert "person" == vertex.label
 +        assert 1 == vertex.id
 +        assert isinstance(vertex.id, int)
 +        assert vertex == Vertex(1)
 +        ##
 +        vertex = self.graphson_reader.readObject("""
 +        {"@type":"g:Vertex", "@value":{"id":{"@type":"g:Float","@value":45.23}}}""")
 +        assert isinstance(vertex, Vertex)
 +        assert 45.23 == vertex.id
 +        assert isinstance(vertex.id, FloatType)
 +        assert "vertex" == vertex.label
 +        assert vertex == Vertex(45.23)
 +        ##
 +        vertex_property = self.graphson_reader.readObject("""
 +        {"@type":"g:VertexProperty", "@value":{"id":"anId","label":"aKey","value":true,"vertex":{"@type":"g:Int32","@value":9}}}""")
 +        assert isinstance(vertex_property, VertexProperty)
 +        assert "anId" == vertex_property.id
 +        assert "aKey" == vertex_property.label
 +        assert vertex_property.value
 +        assert vertex_property.vertex == Vertex(9)
 +        ##
 +        vertex_property = self.graphson_reader.readObject("""
 +        {"@type":"g:VertexProperty", "@value":{"id":{"@type":"g:Int32","@value":1},"label":"name","value":"marko"}}""")
 +        assert isinstance(vertex_property, VertexProperty)
 +        assert 1 == vertex_property.id
 +        assert "name" == vertex_property.label
 +        assert "marko" == vertex_property.value
 +        assert vertex_property.vertex is None
 +        ##
 +        edge = self.graphson_reader.readObject("""
 +        {"@type":"g:Edge", "@value":{"id":{"@type":"g:Int64","@value":17},"label":"knows","inV":"x","outV":"y","inVLabel":"xLab","properties":{"aKey":"aValue","bKey":true}}}""")
 +        # print edge
 +        assert isinstance(edge, Edge)
 +        assert 17 == edge.id
 +        assert "knows" == edge.label
 +        assert edge.inV == Vertex("x", "xLabel")
 +        assert edge.outV == Vertex("y", "vertex")
 +        ##
 +        property = self.graphson_reader.readObject("""
 +        {"@type":"g:Property", "@value":{"key":"aKey","value":{"@type":"g:Int64","@value":17},"element":{"@type":"g:Edge","@value":{"id":{"@type":"g:Int64","@value":122},"label":"knows","inV":"x","outV":"y","inVLabel":"xLab"}}}}""")
 +        # print property
 +        assert isinstance(property, Property)
 +        assert "aKey" == property.key
 +        assert 17 == property.value
 +        assert Edge(122, Vertex("x"), "knows", Vertex("y")) == property.element
 +
 +    def test_path(self):
 +        path = self.graphson_reader.readObject(
 +            """{"@type":"g:Path","@value":{"labels":[["a"],["b","c"],[]],"objects":[{"@type":"g:Vertex","@value":{"id":{"@type":"g:Int32","@value":1},"label":"person","properties":{"name":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":0},"value":"marko","label":"name"}}],"age":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":1},"value":{"@type":"g:Int32","@value":29},"label":"age"}}]}}},{"@type":"g:Vertex","@value":{"id":{"@type":"g:Int32","@value":3},"label":"software","properties":{"name":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":4},"value":"lop","label":"name"}}],"lang":[{"@type":"g:VertexProperty","@value":{"id":{"@type":"g:Int64","@value":5},"value":"java","label":"lang"}}]}}},"lop"]}}"""
 +        )
 +        assert isinstance(path, Path)
 +        if six.PY3:
 +            assert "[v[1], v[3], 'lop']" == str(path)
 +        else:
 +            assert "[v[1], v[3], u'lop']" == str(path)
 +        assert Vertex(1) == path[0]
 +        assert Vertex(1) == path["a"]
 +        assert "lop" == path[2]
 +        assert 3 == len(path)
 +
 +    def test_custom_mapping(self):
 +
 +        # extended mapping
 +        class X(object):
 +            pass
 +
 +        type_string = "test:Xtype"
 +        override_string = "g:Int64"
 +        serdes = Mock()
 +
 +        reader = GraphSONReader(deserializer_map={type_string: serdes})
 +        assert type_string in reader.deserializers
 +
 +        # base dicts are not modified
 +        assert type_string not in gremlin_python.structure.io.graphsonV3d0._deserializers
 +
 +        x = X()
 +        o = reader.toObject({GraphSONUtil.TYPE_KEY: type_string, GraphSONUtil.VALUE_KEY: x})
 +        serdes.objectify.assert_called_once_with(x, reader)
 +        assert o is serdes.objectify()
 +
 +        # overridden mapping
 +        type_string = "g:Int64"
 +        serdes = Mock()
 +        reader = GraphSONReader(deserializer_map={type_string: serdes, override_string: serdes})
 +        assert gremlin_python.structure.io.graphsonV3d0._deserializers[type_string] is not reader.deserializers[
 +            type_string]
 +
 +        value = 3
 +        o = reader.toObject({GraphSONUtil.TYPE_KEY: type_string, GraphSONUtil.VALUE_KEY: value})
 +        serdes.objectify.assert_called_once_with(value, reader)
 +        assert o is serdes.objectify()
 +
 +
 +class TestGraphSONWriter(object):
 +    graphson_writer = GraphSONWriter()
++    graphson_reader = GraphSONReader()
 +
 +    def test_collections(self):
 +        assert {"@type": "g:List", "@value": [{"@type": "g:Int32", "@value": 1},
 +                                              {"@type": "g:Int32", "@value": 2},
 +                                              {"@type": "g:Int32", "@value": 3}]} == json.loads(
 +            self.graphson_writer.writeObject([1, 2, 3]))
 +        assert {"@type": "g:Set", "@value": [{"@type": "g:Int32", "@value": 1},
 +                                             {"@type": "g:Int32", "@value": 2},
 +                                             {"@type": "g:Int32", "@value": 3}]} == json.loads(
 +            self.graphson_writer.writeObject(set([1, 2, 3, 3])))
 +        assert {"@type": "g:Map",
 +                "@value": ['a', {"@type": "g:Int32", "@value": 1}]} == json.loads(
 +            self.graphson_writer.writeObject({'a': 1}))
 +
 +    def test_number_output(self):
 +        assert {"@type": "g:Int64", "@value": 2} == json.loads(self.graphson_writer.writeObject(long(2)))
 +        assert {"@type": "g:Int32", "@value": 1} == json.loads(self.graphson_writer.writeObject(1))
 +        assert {"@type": "g:Double", "@value": 3.2} == json.loads(self.graphson_writer.writeObject(3.2))
 +        assert """true""" == self.graphson_writer.writeObject(True)
 +
 +    def test_numbers(self):
 +        assert {"@type": "g:Int64", "@value": 2} == json.loads(self.graphson_writer.writeObject(long(2)))
 +        assert {"@type": "g:Int32", "@value": 1} == json.loads(self.graphson_writer.writeObject(1))
 +        assert {"@type": "g:Double", "@value": 3.2} == json.loads(self.graphson_writer.writeObject(3.2))
 +        assert """true""" == self.graphson_writer.writeObject(True)
 +
 +    def test_P(self):
 +        result = {'@type': 'g:P',
 +                  '@value': {
 +                      'predicate': 'and',
 +                      'value': [{
 +                          '@type': 'g:P',
 +                          '@value': {
 +                              'predicate': 'or',
 +                              'value': [{
 +                                  '@type': 'g:P',
 +                                  '@value': {'predicate': 'lt', 'value': 'b'}
 +                              },
 +                                  {'@type': 'g:P', '@value': {'predicate': 'gt', 'value': 'c'}}
 +                              ]
 +                          }
 +                      },
 +                          {'@type': 'g:P', '@value': {'predicate': 'neq', 'value': 'd'}}]}}
 +
 +        assert result == json.loads(
 +            self.graphson_writer.writeObject(P.lt("b").or_(P.gt("c")).and_(P.neq("d"))))
 +
 +        result = {'@type': 'g:P', '@value': {'predicate': 'within', 'value': {'@type': 'g:List', '@value': [
 +            {"@type": "g:Int32", "@value": 1}, {"@type": "g:Int32", "@value": 2}]}}}
 +        assert result == json.loads(self.graphson_writer.writeObject(P.within([1, 2])))
 +
 +    def test_strategies(self):
 +        # we have a proxy model for now given that we don't want to have to have g:XXX all registered on the Gremlin traversal machine (yet)
 +        assert {"@type": "g:SubgraphStrategy", "@value": {}} == json.loads(
 +            self.graphson_writer.writeObject(SubgraphStrategy))
 +        assert {"@type": "g:SubgraphStrategy", "@value": {
 +            "vertices": {"@type": "g:Bytecode", "@value": {"step": [["has", "name", "marko"]]}}}} == json.loads(
 +            self.graphson_writer.writeObject(SubgraphStrategy(vertices=__.has("name", "marko"))))
 +
 +    def test_graph(self):
 +        # TODO: this assert is not compatible with python 3 and now that we test with both 2 and 3 it fails
 +        assert {"@type": "g:Vertex",
 +                "@value": {"id": {"@type": "g:Int64", "@value": 12}, "label": "person"}} == json.loads(
 +            self.graphson_writer.writeObject(Vertex(long(12), "person")))
 +
 +        assert {"@type": "g:Edge", "@value": {"id": {"@type": "g:Int32", "@value": 7},
 +                                              "outV": {"@type": "g:Int32", "@value": 0},
 +                                              "outVLabel": "person",
 +                                              "label": "knows",
 +                                              "inV": {"@type": "g:Int32", "@value": 1},
 +                                              "inVLabel": "dog"}} == json.loads(
 +            self.graphson_writer.writeObject(Edge(7, Vertex(0, "person"), "knows", Vertex(1, "dog"))))
 +        assert {"@type": "g:VertexProperty", "@value": {"id": "blah", "label": "keyA", "value": True,
 +                                                        "vertex": "stephen"}} == json.loads(
 +            self.graphson_writer.writeObject(VertexProperty("blah", "keyA", True, Vertex("stephen"))))
 +
 +        assert {"@type": "g:Property",
 +                "@value": {"key": "name", "value": "marko", "element": {"@type": "g:VertexProperty",
 +                                                                        "@value": {
 +                                                                            "vertex": "vertexId",
 +                                                                            "id": {"@type": "g:Int32", "@value": 1234},
 +                                                                            "label": "aKey"}}}} == json.loads(
 +            self.graphson_writer.writeObject(
 +                Property("name", "marko", VertexProperty(1234, "aKey", 21345, Vertex("vertexId")))))
 +
++        vertex = self.graphson_reader.readObject(self.graphson_writer.writeObject(Vertex(1, "person")))
++        assert 1 == vertex.id
++        assert "person" == vertex.label
++
++        edge = self.graphson_reader.readObject(
++            self.graphson_writer.writeObject(Edge(3, Vertex(1, "person"), "knows", Vertex(2, "dog"))))
++        assert "knows" == edge.label
++        assert 3 == edge.id
++        assert 1 == edge.outV.id
++        assert 2 == edge.inV.id
++
++        vertex_property = self.graphson_reader.readObject(
++            self.graphson_writer.writeObject(VertexProperty(1, "age", 32, Vertex(1))))
++        assert 1 == vertex_property.id
++        assert "age" == vertex_property.key
++        assert 32 == vertex_property.value
++
++        property = self.graphson_reader.readObject(self.graphson_writer.writeObject(Property("age", 32.2, Edge(1,Vertex(2),"knows",Vertex(3)))))
++        assert "age" == property.key
++        assert 32.2 == property.value
++
 +    def test_custom_mapping(self):
 +        # extended mapping
 +        class X(object):
 +            pass
 +
 +        serdes = Mock()
 +        writer = GraphSONWriter(serializer_map={X: serdes})
 +        assert X in writer.serializers
 +
 +        # base dicts are not modified
 +        assert X not in gremlin_python.structure.io.graphsonV3d0._serializers
 +
 +        obj = X()
 +        d = writer.toDict(obj)
 +        serdes.dictify.assert_called_once_with(obj, writer)
 +        assert d is serdes.dictify()
 +
 +        # overridden mapping
 +        serdes = Mock()
 +        writer = GraphSONWriter(serializer_map={int: serdes})
 +        assert gremlin_python.structure.io.graphsonV3d0._serializers[int] is not writer.serializers[int]
 +
 +        value = 3
 +        d = writer.toDict(value)
 +        serdes.dictify.assert_called_once_with(value, writer)
 +        assert d is serdes.dictify()
 +
 +    def test_write_long(self):
 +        mapping = self.graphson_writer.toDict(1)
 +        assert mapping['@type'] == 'g:Int32'
 +        assert mapping['@value'] == 1
 +
 +        mapping = self.graphson_writer.toDict(long(1))
 +        assert mapping['@type'] == 'g:Int64'
 +        assert mapping['@value'] == 1

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/fcd623ce/gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/AddEdgeTest.java
----------------------------------------------------------------------
diff --cc gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/AddEdgeTest.java
index c6e76d8,0e5fca2..46d1766
--- a/gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/AddEdgeTest.java
+++ b/gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/AddEdgeTest.java
@@@ -63,6 -63,45 +63,10 @@@ public abstract class AddEdgeTest exten
  
      public abstract Traversal<Vertex, Edge> get_g_addV_asXfirstX_repeatXaddEXnextX_toXaddVX_inVX_timesX5X_addEXnextX_toXselectXfirstXX();
  
+     public abstract Traversal<Vertex, Edge> get_g_withSideEffectXb_bX_VXaX_addEXknowsX_toXbX_propertyXweight_0_5X();
+ 
+     ///////
+ 
 -    @Deprecated
 -    public abstract Traversal<Vertex, Edge> get_g_VX1X_asXaX_outXcreatedX_addOutEXcreatedBy_aX(final Object v1Id);
 -
 -    @Deprecated
 -    public abstract Traversal<Vertex, Edge> get_g_VX1X_asXaX_outXcreatedX_addOutEXcreatedBy_a_weight_2X(final Object v1Id);
 -
 -    @Deprecated
 -    public abstract Traversal<Vertex, Edge> get_g_withSideEffectXx__g_V_toListX_addOutEXexistsWith_x_time_nowX();
 -
 -    @Deprecated
 -    public abstract Traversal<Vertex, Edge> get_g_V_asXaX_outXcreatedX_inXcreatedX_whereXneqXaXX_asXbX_selectXa_bX_addInEXa_codeveloper_b_year_2009X();
 -
 -    @Deprecated
 -    public abstract Traversal<Vertex, Edge> get_g_V_asXaX_inXcreatedX_addInEXcreatedBy_a_year_2009_acl_publicX();
 -
 -    @Test
 -    @LoadGraphWith(MODERN)
 -    @Deprecated
 -    @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
 -    public void g_VX1X_asXaX_outXcreatedX_addOutEXcreatedBy_aX() {
 -        final Traversal<Vertex, Edge> traversal = get_g_VX1X_asXaX_outXcreatedX_addOutEXcreatedBy_aX(convertToVertexId("marko"));
 -        printTraversalForm(traversal);
 -        int count = 0;
 -        while (traversal.hasNext()) {
 -            final Edge edge = traversal.next();
 -            assertEquals("createdBy", edge.label());
 -            assertEquals(0, IteratorUtils.count(edge.properties()));
 -            count++;
 -
 -        }
 -        assertEquals(1, count);
 -        assertEquals(7, IteratorUtils.count(g.E()));
 -        assertEquals(6, IteratorUtils.count(g.V()));
 -    }
 -
      @Test
      @LoadGraphWith(MODERN)
      @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
@@@ -154,6 -265,48 +158,22 @@@
      @Test
      @LoadGraphWith(MODERN)
      @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
+     public void g_withSideEffectXb_bX_VXaX_addEXknowsX_toXbX_propertyXweight_0_5X() {
+         final Traversal<Vertex, Edge> traversal = get_g_withSideEffectXb_bX_VXaX_addEXknowsX_toXbX_propertyXweight_0_5X();
+         final Edge edge = traversal.next();
+         assertFalse(traversal.hasNext());
+         assertEquals(edge.outVertex(), convertToVertex(graph, "marko"));
+         assertEquals(edge.inVertex(), convertToVertex(graph, "peter"));
+         assertEquals("knows", edge.label());
+         assertEquals(1, IteratorUtils.count(edge.properties()));
+         assertEquals(0.5d, edge.value("weight"), 0.1d);
+         assertEquals(6L, g.V().count().next().longValue());
+         assertEquals(7L, g.E().count().next().longValue());
+     }
+ 
+     @Test
+     @LoadGraphWith(MODERN)
 -    @Deprecated
 -    @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
 -    public void g_V_asXaX_inXcreatedX_addInEXcreatedBy_a_year_2009_acl_publicX() {
 -        final Traversal<Vertex, Edge> traversal = get_g_V_asXaX_inXcreatedX_addInEXcreatedBy_a_year_2009_acl_publicX();
 -        printTraversalForm(traversal);
 -        int count = 0;
 -        while (traversal.hasNext()) {
 -            final Edge edge = traversal.next();
 -            assertEquals("createdBy", edge.label());
 -            assertEquals(2009, (int) edge.value("year"));
 -            assertEquals("public", edge.value("acl"));
 -            assertEquals(2, IteratorUtils.count(edge.properties()));
 -            assertEquals("person", edge.inVertex().label());
 -            assertEquals("software", edge.outVertex().label());
 -            if (edge.outVertex().value("name").equals("ripple"))
 -                assertEquals("josh", edge.inVertex().value("name"));
 -            count++;
 -
 -        }
 -        assertEquals(4, count);
 -        assertEquals(10, IteratorUtils.count(g.E()));
 -        assertEquals(6, IteratorUtils.count(g.V()));
 -    }
 -
 -    @Test
 -    @LoadGraphWith(MODERN)
+     @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
      public void g_V_asXaX_inXcreatedX_addEXcreatedByX_fromXaX_propertyXyear_2009X_propertyXacl_publicX() {
          final Traversal<Vertex, Edge> traversal = get_g_V_asXaX_inXcreatedX_addEXcreatedByX_fromXaX_propertyXyear_2009X_propertyXacl_publicX();
          printTraversalForm(traversal);
@@@ -220,6 -373,40 +240,13 @@@
          }
  
          @Override
+         public Traversal<Vertex, Edge> get_g_withSideEffectXb_bX_VXaX_addEXknowsX_toXbX_propertyXweight_0_5X() {
+             final Vertex a = g.V().has("name", "marko").next();
+             final Vertex b = g.V().has("name", "peter").next();
+             return g.withSideEffect("b", b).V(a).addE("knows").to("b").property("weight", 0.5d);
+         }
+ 
 -        ///////
 -
 -        @Override
 -        public Traversal<Vertex, Edge> get_g_VX1X_asXaX_outXcreatedX_addOutEXcreatedBy_aX(final Object v1Id) {
 -            return g.V(v1Id).as("a").out("created").addOutE("createdBy", "a");
 -        }
 -
 -        @Override
 -        public Traversal<Vertex, Edge> get_g_VX1X_asXaX_outXcreatedX_addOutEXcreatedBy_a_weight_2X(final Object v1Id) {
 -            return g.V(v1Id).as("a").out("created").addOutE("createdBy", "a", "weight", 2.0d);
 -        }
 -
 -        @Override
 -        public Traversal<Vertex, Edge> get_g_withSideEffectXx__g_V_toListX_addOutEXexistsWith_x_time_nowX() {
 -            return g.withSideEffect("x", g.V().toList()).V().addOutE("existsWith", "x", "time", "now");
 -        }
 -
 -        @Override
 -        public Traversal<Vertex, Edge> get_g_V_asXaX_outXcreatedX_inXcreatedX_whereXneqXaXX_asXbX_selectXa_bX_addInEXa_codeveloper_b_year_2009X() {
 -            return g.V().as("a").out("created").in("created").where(P.neq("a")).as("b").select("a", "b").addInE("a", "codeveloper", "b", "year", 2009);
 -        }
 -
 -        @Override
 -        public Traversal<Vertex, Edge> get_g_V_asXaX_inXcreatedX_addInEXcreatedBy_a_year_2009_acl_publicX() {
 -            return g.V().as("a").in("created").addInE("createdBy", "a", "year", 2009, "acl", "public");
 -        }
 -
+         @Override
          public Traversal<Vertex, Edge> get_g_addV_asXfirstX_repeatXaddEXnextX_toXaddVX_inVX_timesX5X_addEXnextX_toXselectXfirstXX() {
              return g.addV().as("first").repeat(__.addE("next").to(__.addV()).inV()).times(5).addE("next").to(select("first"));
          }