def test_traversals(self):
statics.load_statics(globals())
connection = DriverRemoteConnection('ws://localhost:8182/gremlin', 'g')
assert "remoteconnection[ws://localhost:8182/gremlin,g]" == str(
connection)
#
g = Graph().traversal().withRemote(connection)
#
assert 6L == g.V().count().toList()[0]
#
assert Vertex(1) == g.V(1).next()
assert 1 == g.V(1).id().next()
assert Traverser(Vertex(1)) == g.V(1).nextTraverser()
assert 1 == len(g.V(1).toList())
assert isinstance(g.V(1).toList(), list)
#
results = g.V().repeat(out()).times(2).name.toList()
assert 2 == len(results)
assert "lop" in results
assert "ripple" in results
#
assert 10 == g.V().repeat(both()).times(5)[0:10].count().next()
assert 1 == g.V().repeat(both()).times(5)[0].count().next()
assert 0 == g.V().repeat(both()).times(5)[0:0].count().next()
assert 4 == g.V()[2:].count().next()
assert 2 == g.V()[:2].count().next()
# todo: need a traversal metrics deserializer
g.V().out().profile().next()
connection.close()
def test_side_effects(self):
statics.load_statics(globals())
connection = DriverRemoteConnection('ws://localhost:45940/gremlin',
'g')
#
g = Graph().traversal().withRemote(connection)
###
t = g.V().hasLabel("project").name.iterate()
assert 0 == len(t.side_effects.keys())
try:
m = t.side_effects["m"]
raise Exception(
"Accessing a non-existent key should throw an error")
except KeyError:
pass
###
t = g.V().out("created").groupCount("m").by("name")
results = t.toSet()
assert 2 == len(results)
assert Vertex(3) in results
assert Vertex(5) in results
assert 1 == len(t.side_effects.keys())
assert "m" in t.side_effects.keys()
m = t.side_effects["m"]
assert isinstance(m, dict)
assert 2 == len(m)
assert 3 == m["lop"]
assert 1 == m["ripple"]
assert isinstance(m["lop"], long)
assert isinstance(m["ripple"], long)
###
t = g.V().out("created").groupCount("m").by("name").name.aggregate("n")
results = t.toSet()
assert 2 == len(results)
assert "lop" in results
assert "ripple" in results
assert 2 == len(t.side_effects.keys())
assert "m" in t.side_effects.keys()
assert "n" in t.side_effects.keys()
n = t.side_effects.get("n")
assert isinstance(n, dict)
assert 2 == len(n)
assert "lop" in n.keys()
assert "ripple" in n.keys()
assert 3 == n["lop"]
assert 1 == n["ripple"]
t = g.withSideEffect('m', 32).V().map(lambda: "x: x.sideEffects('m')")
results = t.toSet()
assert 1 == len(results)
assert 32 == list(results)[0]
assert 32 == t.side_effects['m']
assert 1 == len(t.side_effects.keys())
try:
x = t.side_effects["x"]
raise Exception(
"Accessing a non-existent key should throw an error")
except KeyError:
pass
connection.close()
def test_edge(self):
x = Edge(123, Vertex(1, 'person'), "developed", Vertex(10, "software"))
output = self.graphbinary_reader.readObject(
self.graphbinary_writer.writeObject(x))
assert x == output
assert x.inV == output.inV
assert x.outV == output.outV
async def test_traversals(self, remote_connection):
statics.load_statics(globals())
g = Graph().traversal().withRemote(remote_connection)
result = await g.V().count().toList()
assert long(6) == result[0]
# #
assert Vertex(1) == await g.V(1).next()
assert 1 == await g.V(1).id().next()
assert Traverser(Vertex(1)) == await g.V(1).nextTraverser()
result = await g.V(1).toList()
assert 1 == len(result)
result = await g.V(1).toList()
assert isinstance(result, list)
results = g.V().repeat(out()).times(2).name
results = await results.toList()
assert 2 == len(results)
assert "lop" in results # FIXME : Test fails here.
assert "ripple" in results
# # #
assert 10 == await g.V().repeat(both()).times(5)[0:10].count().next()
assert 1 == await g.V().repeat(both()).times(5)[0:1].count().next()
assert 0 == await g.V().repeat(both()).times(5)[0:0].count().next()
assert 4 == await g.V()[2:].count().next()
assert 2 == await g.V()[:2].count().next()
# # #
results = await g.withSideEffect('a', [
'josh', 'peter'
]).V(1).out('created').in_('created').values('name').where(within('a')
).toList()
assert 2 == len(results)
assert 'josh' in results
assert 'peter' in results
# # # todo: need a traversal metrics deserializer
# g.V().out().profile().next()
await remote_connection.close()
def test_traversals(self, remote_connection):
statics.load_statics(globals())
assert "remoteconnection[ws://localhost:45940/gremlin,g]" == str(
remote_connection)
g = Graph().traversal().withRemote(remote_connection)
assert long(6) == g.V().count().toList()[0]
# #
assert Vertex(1) == g.V(1).next()
assert 1 == g.V(1).id().next()
assert Traverser(Vertex(1)) == g.V(1).nextTraverser()
assert 1 == len(g.V(1).toList())
assert isinstance(g.V(1).toList(), list)
results = g.V().repeat(out()).times(2).name
results = results.toList()
assert 2 == len(results)
assert "lop" in results
assert "ripple" in results
# #
assert 10 == g.V().repeat(both()).times(5)[0:10].count().next()
assert 1 == g.V().repeat(both()).times(5)[0:1].count().next()
assert 0 == g.V().repeat(both()).times(5)[0:0].count().next()
assert 4 == g.V()[2:].count().next()
assert 2 == g.V()[:2].count().next()
# #
results = g.withSideEffect(
'a', ['josh', 'peter'
]).V(1).out('created').in_('created').values('name').where(
within('a')).toList()
assert 2 == len(results)
assert 'josh' in results
assert 'peter' in results
# # todo: need a traversal metrics deserializer
g.V().out().profile().next()
def _read_edge(cls, b, r):
edgeid = r.readObject(b)
edgelbl = r.toObject(b, DataType.string, False)
inv = Vertex(r.readObject(b), r.toObject(b, DataType.string, False))
outv = Vertex(r.readObject(b), r.toObject(b, DataType.string, False))
edge = Edge(edgeid, outv, edgelbl, inv)
b.read(4)
return edge
def test_traversals(self, remote_connection):
statics.load_statics(globals())
g = traversal().withRemote(remote_connection)
assert long(6) == g.V().count().toList()[0]
# #
assert Vertex(1) == g.V(1).next()
assert 1 == g.V(1).id().next()
assert Traverser(Vertex(1)) == g.V(1).nextTraverser()
assert 1 == len(g.V(1).toList())
assert isinstance(g.V(1).toList(), list)
results = g.V().repeat(out()).times(2).name
results = results.toList()
assert 2 == len(results)
assert "lop" in results
assert "ripple" in results
# #
assert 10 == g.V().repeat(both()).times(5)[0:10].count().next()
assert 1 == g.V().repeat(both()).times(5)[0:1].count().next()
assert 0 == g.V().repeat(both()).times(5)[0:0].count().next()
assert 4 == g.V()[2:].count().next()
assert 2 == g.V()[:2].count().next()
# #
results = g.withSideEffect('a', ['josh', 'peter']).V(1).out('created').in_('created').values('name').where(P.within('a')).toList()
assert 2 == len(results)
assert 'josh' in results
assert 'peter' in results
# #
results = g.V().out().profile().toList()
assert 1 == len(results)
assert 'metrics' in results[0]
assert 'dur' in results[0]
# #
results = g.V().has('name', 'peter').as_('a').out('created').as_('b').select('a', 'b').by(
__.valueMap()).toList()
assert 1 == len(results)
assert 'peter' == results[0]['a']['name'][0]
assert 35 == results[0]['a']['age'][0]
assert 'lop' == results[0]['b']['name'][0]
assert 'java' == results[0]['b']['lang'][0]
assert 2 == len(results[0]['a'])
assert 2 == len(results[0]['b'])
# #
results = g.V(1).inject(g.V(2).next()).values('name').toList()
assert 2 == len(results)
assert 'marko' in results
assert 'vadas' in results
# #
results = g.V().has('person', 'name', 'marko').map(lambda: ("it.get().value('name')", "gremlin-groovy")).toList()
assert 1 == len(results)
assert 'marko' in results
# #
# this test just validates that the underscored versions of steps conflicting with Gremlin work
# properly and can be removed when the old steps are removed - TINKERPOP-2272
results = g.V().filter_(__.values('age').sum_().and_(
__.max_().is_(gt(0)), __.min_().is_(gt(0)))).range_(0, 1).id_().next()
assert 1 == results
def test_path(self):
path = self.graphson_reader.readObject(
"""{"@type":"g:Path","@value":{"labels":{"@type":"g:List","@value":[{"@type":"g:Set","@value":["a"]},{"@type":"g:Set","@value":["b","c"]},{"@type":"g:Set","@value":[]}]},"objects":{"@type":"g:List","@value":[{"@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_parse_gremlin_path_elements(gremlin_parser):
# parse path with elements
v = Vertex("foo")
v2 = Vertex("bar")
e1 = Edge("e1", "foo", "label", "bar")
p = Path(labels=["vertex", "label", "vertex"], objects=[v, e1, v2])
out = gremlin_parser.gremlin_results_to_dict([p])
df = pd.DataFrame.from_records(out)
row = df.iloc[0]
assert df.shape == (1, 3)
assert row[0] == {"id": "foo", "label": "vertex"}
assert row[1] == {"id": "e1", "label": "label", "outV": "foo", "inV": "bar"}
assert row[2] == {"id": "bar", "label": "vertex"}
# parse path with multiple elements
e2 = Edge("bar", "out1", "label", "in2")
v3 = Vertex("in2")
p1 = Path(labels=["vertex", "label", "vertex"], objects=[v2, e2, v3])
out = gremlin_parser.gremlin_results_to_dict([p, p1])
df = pd.DataFrame.from_records(out)
row = df.iloc[1]
assert df.shape == (2, 3)
assert row[0] == {"id": "bar", "label": "vertex"}
assert row[1] == {"id": "bar", "label": "label", "outV": "out1", "inV": "in2"}
assert row[2] == {"id": "in2", "label": "vertex"}
# parse path with maps
p = Path(
labels=["vertex", "label", "vertex"],
objects=[{"name": "foo", "age": 29}, {"dist": 32}, {"name": "bar", "age": 40}],
)
out = gremlin_parser.gremlin_results_to_dict([p])
df = pd.DataFrame.from_records(out)
row = df.iloc[0]
assert df.shape == (1, 3)
assert row[0]["name"] == "foo"
assert row[0]["age"] == 29
assert row[1]["dist"] == 32
assert row[2]["name"] == "bar"
assert row[2]["age"] == 40
# parse path with mixed elements and maps
p = Path(
labels=["vertex", "label", "vertex"],
objects=[{"name": "foo", "age": 29}, Edge("bar", "out1", "label", "in2"), {"name": "bar", "age": 40}],
)
out = gremlin_parser.gremlin_results_to_dict([p])
df = pd.DataFrame.from_records(out)
row = df.iloc[0]
assert df.shape == (1, 3)
assert row[0]["name"] == "foo"
assert row[0]["age"] == 29
assert row[1] == {"id": "bar", "label": "label", "outV": "out1", "inV": "in2"}
assert row[2]["name"] == "bar"
assert row[2]["age"] == 40
def test_path(self):
path = GraphSONReader.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)
async def test_side_effects(self, remote_connection):
statics.load_statics(globals())
g = Graph().traversal().withRemote(remote_connection)
t = await g.V().hasLabel("project").name.iterate()
keys = await t.side_effects.keys()
assert 0 == len(keys)
with pytest.raises(Exception):
m = await t.side_effects["m"]
t = g.V().out("created").groupCount("m").by("name")
results = await t.toSet()
assert 2 == len(results)
assert Vertex(3) in results
assert Vertex(5) in results
keys = await t.side_effects.keys()
assert 1 == len(keys)
assert "m" in keys
m = await t.side_effects["m"]
assert isinstance(m, dict)
assert 2 == len(m)
assert 3 == m["lop"]
assert 1 == m["ripple"]
assert isinstance(m["lop"], long)
assert isinstance(m["ripple"], long)
# ##
t = g.V().out("created").groupCount("m").by("name").name.aggregate("n")
results = await t.toSet()
assert 2 == len(results)
assert "lop" in results
assert "ripple" in results
keys = await t.side_effects.keys()
assert 2 == len(keys)
assert "m" in keys
assert "n" in keys
n = await t.side_effects.get("n")
assert isinstance(n, dict)
assert 2 == len(n)
assert "lop" in n.keys()
assert "ripple" in n.keys()
assert 3 == n["lop"]
assert 1 == n["ripple"]
#
t = g.withSideEffect('m', 32).V().map(lambda: "x: x.sideEffects('m')")
results = await t.toSet()
assert 1 == len(results)
assert 32 == list(results)[0]
assert 32 == await t.side_effects['m']
keys = await t.side_effects.keys()
assert 1 == len(keys)
with pytest.raises(Exception):
x = await t.side_effects["x"]
await remote_connection.close()
def test_traversals(self, remote_connection):
statics.load_statics(globals())
assert "remoteconnection[ws://localhost:45940/gremlin,gmodern]" == str(remote_connection)
g = traversal().withRemote(remote_connection)
assert long(6) == g.V().count().toList()[0]
# #
assert Vertex(1) == g.V(1).next()
assert 1 == g.V(1).id().next()
assert Traverser(Vertex(1)) == g.V(1).nextTraverser()
assert 1 == len(g.V(1).toList())
assert isinstance(g.V(1).toList(), list)
results = g.V().repeat(out()).times(2).name
results = results.toList()
assert 2 == len(results)
assert "lop" in results
assert "ripple" in results
# #
assert 10 == g.V().repeat(both()).times(5)[0:10].count().next()
assert 1 == g.V().repeat(both()).times(5)[0:1].count().next()
assert 0 == g.V().repeat(both()).times(5)[0:0].count().next()
assert 4 == g.V()[2:].count().next()
assert 2 == g.V()[:2].count().next()
# #
results = g.withSideEffect('a', ['josh', 'peter']).V(1).out('created').in_('created').values('name').where(
within('a')).toList()
assert 2 == len(results)
assert 'josh' in results
assert 'peter' in results
# #
results = g.V().out().profile().toList()
assert 1 == len(results)
assert 'metrics' in results[0]
assert 'dur' in results[0]
# #
results = g.V().has('name', 'peter').as_('a').out('created').as_('b').select('a', 'b').by(
__.valueMap()).toList()
assert 1 == len(results)
assert 'peter' == results[0]['a']['name'][0]
assert 35 == results[0]['a']['age'][0]
assert 'lop' == results[0]['b']['name'][0]
assert 'java' == results[0]['b']['lang'][0]
assert 2 == len(results[0]['a'])
assert 2 == len(results[0]['b'])
# #
results = g.V(1).inject(g.V(2).next()).values('name').toList()
assert 2 == len(results)
assert 'marko' in results
assert 'vadas' in results
def test_group_returnvertex_groupby_notspecified(self):
vertex = Vertex(id='1')
gn = GremlinNetwork()
gn.add_vertex(vertex)
node = gn.graph.nodes.get('1')
self.assertEqual(node['group'], 'vertex')
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)
def traversal_mult_note_result():
vert_0 = Vertex(id=7700, label='Note')
vert_1 = Vertex(id=7800, label='Note')
result = [{'p': VertexProperty(id=7701, label='name', value='D3', vertex=None),
'v': vert_0},
{'p': VertexProperty(id=7702, label='length', value=16, vertex=None),
'v': vert_0},
{'p': VertexProperty(id=7703, label='dot', value=0, vertex=None),
'v': vert_0},
{'p': VertexProperty(id=7710, label='name', value='F3', vertex=None),
'v': vert_1},
{'p': VertexProperty(id=7712, label='length', value=8, vertex=None),
'v': vert_1},
{'p': VertexProperty(id=7713, label='dot', value=1, vertex=None),
'v': vert_1}]
return result
def traversal_note_result():
vert = Vertex(id=7700, label='Note')
result = [{'p': VertexProperty(id=7701, label='name', value='D3', vertex=None),
'v': vert},
{'p': VertexProperty(id=7702, label='length', value=16, vertex=None),
'v': vert},
{'p': VertexProperty(id=7703, label='dot', value=0, vertex=None),
'v': vert}]
return result
def test_path(self):
path = Path(
[set(["a", "b"]), set(["c", "b"]),
set([])], [1, Vertex(1), "hello"])
assert "path[1, v[1], hello]" == str(path)
assert 1 == path["a"]
assert Vertex(1) == path["c"]
assert [1, Vertex(1)] == path["b"]
assert path[0] == 1
assert path[1] == Vertex(1)
assert path[2] == "hello"
assert 3 == len(path)
assert "hello" in path
assert "goodbye" not in path
assert Vertex(1) in path
assert Vertex(123) not in path
#
try:
temp = path[3]
raise Exception(
"Accessing beyond the list index should throw an index error")
except IndexError:
pass
#
try:
temp = path["zz"]
raise Exception("Accessing nothing should throw a key error")
except KeyError:
pass
#
try:
temp = path[1:2]
raise Exception("Accessing using slices should throw a type error")
except TypeError:
pass
#
assert path == path
assert hash(path) == hash(path)
path2 = Path(
[set(["a", "b"]), set(["c", "b"]),
set([])], [1, Vertex(1), "hello"])
assert path == path2
assert hash(path) == hash(path2)
assert path != Path(
[set(["a"]), set(["c", "b"]), set([])], [1, Vertex(1), "hello"])
assert path != Path(
[set(["a", "b"]), set(["c", "b"]),
set([])], [3, Vertex(1), "hello"])
def test_parse_gremlin_vertex_elements(gremlin_parser):
# parse vertex elements
v = Vertex("foo")
input = [v]
out = gremlin_parser.gremlin_results_to_dict(input)
df = pd.DataFrame.from_records(out)
row = df.iloc[0]
assert df.shape == (1, 2)
assert row["id"] == "foo"
assert row["label"] == "vertex"
# parse multiple vertex elements
v1 = Vertex("bar")
input = [v, v1]
out = gremlin_parser.gremlin_results_to_dict(input)
df = pd.DataFrame.from_records(out)
row = df.iloc[1]
assert df.shape == (2, 2)
assert row["id"] == "bar"
assert row["label"] == "vertex"
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_group_returnvertex_groupby_id(self):
vertex = Vertex(id='1')
gn = GremlinNetwork(group_by_property="id")
gn.add_vertex(vertex)
node = gn.graph.nodes.get('1')
self.assertEqual(node['group'], '1')
gn = GremlinNetwork(group_by_property="T.id")
gn.add_vertex(vertex)
node = gn.graph.nodes.get('1')
self.assertEqual(node['group'], '')
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_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")))))
def test_graph(self):
assert {"@type": "g:Vertex",
"@value": {"id": {"@type": "g:Int64", "@value": 12}, "label": "person"}} == json.loads(
self.graphson_writer.writeObject(Vertex(12l, "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": "anId",
"label": "aKey"}}}} == json.loads(
self.graphson_writer.writeObject(
Property("name", "marko", VertexProperty("anId", "aKey", 21345, Vertex("vertexId")))))
def __find_cached_element(ctx, graph_name, identifier, element_type):
if graph_name == "empty":
cache = world.create_lookup_v(
ctx.remote_conn["empty"]
) if element_type == "v" else world.create_lookup_e(
ctx.remote_conn["empty"])
else:
cache = ctx.lookup_v[
graph_name] if element_type == "v" else ctx.lookup_e[graph_name]
# try to lookup the element - if it can't be found then it must be a reference Vertex
if identifier in cache:
return cache[identifier]
else:
return Vertex(identifier)
def test_graph_objects(self):
vertex = Vertex(1)
assert "v[1]" == str(vertex)
assert "vertex" == vertex.label
assert "person" == Vertex(1, "person").label
assert vertex == Vertex(1)
#
edge = Edge(2, Vertex(1), "said", Vertex("hello", "phrase"))
assert "e[2][1-said->hello]" == str(edge)
assert Vertex(1) == edge.outV
assert Vertex("hello") == edge.inV
assert "said" == edge.label
assert "phrase" == edge.inV.label
assert edge.inV != edge.outV
#
vertex_property = VertexProperty(long(24), "name", "marko")
assert "vp[name->marko]" == str(vertex_property)
assert "name" == vertex_property.label
assert "name" == vertex_property.key
assert "marko" == vertex_property.value
assert long(24) == vertex_property.id
assert isinstance(vertex_property.id, long)
assert vertex_property == VertexProperty(long(24), "name", "marko")
#
property = Property("age", 29)
assert "p[age->29]" == str(property)
assert "age" == property.key
assert 29 == property.value
assert isinstance(property.value, int)
assert property == Property("age", 29)
if not six.PY3:
assert property != Property("age", long(29))
#
for i in [vertex, edge, vertex_property, property]:
for j in [vertex, edge, vertex_property, property]:
if type(i) != type(j):
assert i != j
else:
assert i == j
assert i.__hash__() == hash(i)
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)
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")))
def objectify(cls, d, reader):
return Vertex(reader.toObject(d["id"]), d.get("label", "vertex"))
def test_vertex(self):
x = Vertex(123, "person")
output = self.graphbinary_reader.readObject(
self.graphbinary_writer.writeObject(x))
assert x == output
def test_traversals(self, remote_connection):
statics.load_statics(globals())
g = traversal().withRemote(remote_connection)
assert long(6) == g.V().count().toList()[0]
# #
assert Vertex(1) == g.V(1).next()
assert 1 == g.V(1).id().next()
assert Traverser(Vertex(1)) == g.V(1).nextTraverser()
assert 1 == len(g.V(1).toList())
assert isinstance(g.V(1).toList(), list)
results = g.V().repeat(out()).times(2).name
results = results.toList()
assert 2 == len(results)
assert "lop" in results
assert "ripple" in results
# #
assert 10 == g.V().repeat(both()).times(5)[0:10].count().next()
assert 1 == g.V().repeat(both()).times(5)[0:1].count().next()
assert 0 == g.V().repeat(both()).times(5)[0:0].count().next()
assert 4 == g.V()[2:].count().next()
assert 2 == g.V()[:2].count().next()
# #
results = g.withSideEffect(
'a', ['josh', 'peter'
]).V(1).out('created').in_('created').values('name').where(
P.within('a')).toList()
assert 2 == len(results)
assert 'josh' in results
assert 'peter' in results
# #
results = g.V().out().profile().toList()
assert 1 == len(results)
assert 'metrics' in results[0]
assert 'dur' in results[0]
# #
results = g.V().has('name',
'peter').as_('a').out('created').as_('b').select(
'a', 'b').by(__.valueMap()).toList()
assert 1 == len(results)
assert 'peter' == results[0]['a']['name'][0]
assert 35 == results[0]['a']['age'][0]
assert 'lop' == results[0]['b']['name'][0]
assert 'java' == results[0]['b']['lang'][0]
assert 2 == len(results[0]['a'])
assert 2 == len(results[0]['b'])
# #
results = g.V(1).inject(g.V(2).next()).values('name').toList()
assert 2 == len(results)
assert 'marko' in results
assert 'vadas' in results
# #
results = g.V().has('person', 'name', 'marko').map(
lambda: ("it.get().value('name')", "gremlin-groovy")).toList()
assert 1 == len(results)
assert 'marko' in results
# #
# this test just validates that the underscored versions of steps conflicting with Gremlin work
# properly and can be removed when the old steps are removed - TINKERPOP-2272
results = g.V().filter_(
__.values('age').sum_().and_(__.max_().is_(gt(0)),
__.min_().is_(gt(0)))).range_(
0, 1).id_().next()
assert 1 == results
# #
# test binding in P
results = g.V().has('person', 'age',
Bindings.of('x', lt(30))).count().next()
assert 2 == results
# #
# test dict keys which can only work on GraphBinary and GraphSON3 which include specific serialization
# types for dict
if not isinstance(remote_connection._client._message_serializer,
GraphSONSerializersV2d0):
results = g.V().has(
'person', 'name',
'marko').elementMap("name").groupCount().next()
assert {
HashableDict.of({
T.id: 1,
T.label: 'person',
'name': 'marko'
}): 1
} == results