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()
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 TestGraphSONReader(object): graphson_reader = GraphSONReader() def test_number_input(self): x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:Byte", "@value": 1 })) assert isinstance(x, SingleByte) assert 1 == x 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 ## x = self.graphson_reader.readObject(json.dumps({ "@type": "g:Double", "@value": "NaN" })) assert isinstance(x, float) assert math.isnan(x) ## x = self.graphson_reader.readObject(json.dumps({ "@type": "g:Double", "@value": "Infinity" })) assert isinstance(x, float) assert math.isinf(x) and x > 0 ## x = self.graphson_reader.readObject(json.dumps({ "@type": "g:Double", "@value": "-Infinity" })) assert isinstance(x, float) assert math.isinf(x) and x < 0 ## x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:BigDecimal", "@value": 31.2 })) assert isinstance(x, Decimal) assert Decimal(31.2) == x ## x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:BigDecimal", "@value": 123456789987654321123456789987654321 })) assert isinstance(x, Decimal) assert Decimal('123456789987654321123456789987654321') == x ## x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:BigDecimal", "@value": "NaN" })) assert isinstance(x, Decimal) assert math.isnan(x) ## x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:BigDecimal", "@value": "Infinity" })) assert isinstance(x, Decimal) assert math.isinf(x) and x > 0 ## x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:BigDecimal", "@value": "-Infinity" })) assert isinstance(x, Decimal) assert math.isinf(x) and x < 0 ## x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:BigInteger", "@value": 31 })) assert isinstance(x, long) assert 31 == x ## x = self.graphson_reader.readObject(json.dumps({ "@type": "gx:BigInteger", "@value": 123456789987654321123456789987654321 })) assert isinstance(x, long) assert 123456789987654321123456789987654321 == 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) assert "path[v[1], v[3], 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() def test_datetime(self): expected = datetime.datetime(2016, 12, 14, 16, 14, 36, 295000) pts = time.mktime((expected.year, expected.month, expected.day, expected.hour, expected.minute, expected.second, -1, -1, -1)) + expected.microsecond / 1e6 timestamp = int(round(pts * 1000)) dt = self.graphson_reader.readObject(json.dumps({"@type": "g:Date", "@value": timestamp})) assert isinstance(dt, datetime.datetime) # TINKERPOP-1848 assert dt == expected def test_timestamp(self): dt = self.graphson_reader.readObject(json.dumps({"@type": "g:Timestamp", "@value": 1481750076295})) assert isinstance(dt, timestamp) assert float(dt) == 1481750076.295 def test_duration(self): d = self.graphson_reader.readObject(json.dumps({"@type": "gx:Duration", "@value": "PT120H"})) assert isinstance(d, datetime.timedelta) assert d == datetime.timedelta(hours=120) def test_uuid(self): prop = self.graphson_reader.readObject( json.dumps({'@type': 'g:UUID', '@value': "41d2e28a-20a4-4ab0-b379-d810dede3786"})) assert isinstance(prop, uuid.UUID) assert str(prop) == '41d2e28a-20a4-4ab0-b379-d810dede3786' def test_metrics(self): prop = self.graphson_reader.readObject( json.dumps([{'@type': 'g:TraversalMetrics', '@value': {'dur': 1.468594, 'metrics': [ {'@type': 'g:Metrics', '@value': {'dur': 1.380957, 'counts': {}, 'name': 'GraphStep(__.V())', 'annotations': {'percentDur': 94.03259171697556}, 'id': '4.0.0()'}}, {'@type': 'g:Metrics', '@value': {'dur': 0.087637, 'counts': {}, 'name': 'ReferenceElementStep', 'annotations': {'percentDur': 5.967408283024444}, 'id': '3.0.0()'}} ]}}])) assert isinstance(prop, list) assert prop == [{'dur': 1.468594, 'metrics': [ {'dur': 1.380957, 'counts': {}, 'name': 'GraphStep(__.V())', 'annotations': {'percentDur': 94.03259171697556}, 'id': '4.0.0()'}, {'dur': 0.087637, 'counts': {}, 'name': 'ReferenceElementStep', 'annotations': {'percentDur': 5.967408283024444}, 'id': '3.0.0()'} ]}] def test_bytebuffer(self): bb = self.graphson_reader.readObject( json.dumps({"@type": "gx:ByteBuffer", "@value": "c29tZSBieXRlcyBmb3IgeW91"})) assert isinstance(bb, ByteBufferType) assert ByteBufferType("c29tZSBieXRlcyBmb3IgeW91", "utf8") == bb def test_char(self): c = self.graphson_reader.readObject(json.dumps({"@type": "gx:Char", "@value": "L"})) assert isinstance(c, SingleChar) assert chr(76) == c
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": "gx:Byte", "@value": 1} == json.loads(self.graphson_writer.writeObject(int.__new__(SingleByte, 1))) 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 {"@type": "g:Double", "@value": "NaN"} == json.loads(self.graphson_writer.writeObject(float('nan'))) assert {"@type": "g:Double", "@value": "Infinity"} == json.loads(self.graphson_writer.writeObject(float('inf'))) assert {"@type": "g:Double", "@value": "-Infinity"} == json.loads(self.graphson_writer.writeObject(float('-inf'))) assert {"@type": "gx:BigDecimal", "@value": "123456789987654321123456789987654321"} == json.loads(self.graphson_writer.writeObject(Decimal('123456789987654321123456789987654321'))) assert {"@type": "gx:BigDecimal", "@value": "NaN"} == json.loads(self.graphson_writer.writeObject(Decimal('nan'))) assert {"@type": "gx:BigDecimal", "@value": "Infinity"} == json.loads(self.graphson_writer.writeObject(Decimal('inf'))) assert {"@type": "gx:BigDecimal", "@value": "-Infinity"} == json.loads(self.graphson_writer.writeObject(Decimal('-inf'))) assert {"@type": "gx:BigInteger", "@value": "123456789987654321123456789987654321"} == json.loads(self.graphson_writer.writeObject(long(123456789987654321123456789987654321))) assert {"@type": "gx:BigInteger", "@value": "123456789987654321123456789987654321"} == json.loads(self.graphson_writer.writeObject(123456789987654321123456789987654321)) 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: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 def test_datetime(self): expected = json.dumps({"@type": "g:Date", "@value": 1481750076295}, separators=(',', ':')) dt = datetime.datetime.fromtimestamp(1481750076295 / 1000.0) output = self.graphson_writer.writeObject(dt) assert expected == output def test_timestamp(self): expected = json.dumps({"@type": "g:Timestamp", "@value": 1481750076295}, separators=(',', ':')) ts = timestamp(1481750076295 / 1000.0) output = self.graphson_writer.writeObject(ts) assert expected == output def test_duration(self): expected = json.dumps({"@type": "gx:Duration", "@value": "P5D"}, separators=(',', ':')) d = datetime.timedelta(hours=120) output = self.graphson_writer.writeObject(d) assert expected == output def test_uuid(self): expected = json.dumps({'@type': 'g:UUID', '@value': "41d2e28a-20a4-4ab0-b379-d810dede3786"}, separators=(',', ':')) prop = uuid.UUID("41d2e28a-20a4-4ab0-b379-d810dede3786") output = self.graphson_writer.writeObject(prop) assert expected == output def test_bytebuffer(self): expected = json.dumps({'@type': 'gx:ByteBuffer', '@value': 'c29tZSBieXRlcyBmb3IgeW91'}, separators=(',', ':')) bb = ByteBufferType("c29tZSBieXRlcyBmb3IgeW91", "utf8") output = self.graphson_writer.writeObject(bb) assert expected == output def test_char(self): expected = json.dumps({'@type': 'gx:Char', '@value': 'L'}, separators=(',', ':')) c = str.__new__(SingleChar, chr(76)) output = self.graphson_writer.writeObject(c) assert expected == output
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( 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
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 ## x = self.graphson_reader.readObject( json.dumps({ "@type": "g:Double", "@value": "NaN" })) assert isinstance(x, float) assert math.isnan(x) ## x = self.graphson_reader.readObject( json.dumps({ "@type": "g:Double", "@value": "Infinity" })) assert isinstance(x, float) assert math.isinf(x) and x > 0 ## x = self.graphson_reader.readObject( json.dumps({ "@type": "g:Double", "@value": "-Infinity" })) assert isinstance(x, float) assert math.isinf(x) and x < 0 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) assert "path[v[1], v[3], 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() def test_datetime(self): expected = datetime.datetime(2016, 12, 14, 16, 14, 36, 295000) pts = time.mktime((expected.year, expected.month, expected.day, expected.hour, expected.minute, expected.second, -1, -1, -1)) + expected.microsecond / 1e6 timestamp = int(round(pts * 1000)) dt = self.graphson_reader.readObject( json.dumps({ "@type": "g:Date", "@value": timestamp })) assert isinstance(dt, datetime.datetime) # TINKERPOP-1848 assert dt == expected def test_timestamp(self): dt = self.graphson_reader.readObject( json.dumps({ "@type": "g:Timestamp", "@value": 1481750076295 })) assert isinstance(dt, timestamp) assert float(dt) == 1481750076.295 def test_uuid(self): prop = self.graphson_reader.readObject( json.dumps({ '@type': 'g:UUID', '@value': "41d2e28a-20a4-4ab0-b379-d810dede3786" })) assert isinstance(prop, uuid.UUID) assert str(prop) == '41d2e28a-20a4-4ab0-b379-d810dede3786'