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https://issues.apache.org/jira/browse/TINKERPOP-1036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15093779#comment-15093779
]
ASF GitHub Bot commented on TINKERPOP-1036:
-------------------------------------------
Github user spmallette commented on a diff in the pull request:
https://github.com/apache/incubator-tinkerpop/pull/175#discussion_r49443884
--- Diff:
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/structure/io/IoTest.java
---
@@ -249,6 +250,63 @@ public void shouldProperlyEncodeWithGraphML() throws
Exception {
// need to manually close the "g2" instance
graphProvider.clear(g2, configuration);
}
+
+ @Test
+ @FeatureRequirement(featureClass =
Graph.Features.EdgeFeatures.class, feature =
Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
+ @FeatureRequirement(featureClass = EdgePropertyFeatures.class,
feature = FEATURE_STRING_VALUES)
+ @FeatureRequirement(featureClass =
Graph.Features.VertexFeatures.class, feature =
Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
+ public void shouldReadWriteSelfLoopingEdges() throws Exception {
+ final Configuration sourceConf =
graphProvider.newGraphConfiguration("source", this.getClass(),
name.getMethodName(), null);
--- End diff --
@laxatives you don't need to create a new graph here as you get one for
free by virtue of starting a test. Just assign the "graph" variable to your
"source" variable on the line below. please do that for the other tests as
well.
> Support self-looping edges in IO
> --------------------------------
>
> Key: TINKERPOP-1036
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1036
> Project: TinkerPop
> Issue Type: Bug
> Components: io
> Affects Versions: 3.1.0-incubating
> Reporter: stephen mallette
> Assignee: stephen mallette
> Fix For: 3.1.1-incubating
>
>
> Seems like GraphSON is having trouble with self-loops. Not sure about other
> IO at this time.
> {code}
> gremlin> a = TinkerGraph.open()
> ==>tinkergraph[vertices:0 edges:0]
> gremlin> v1 = a.addVertex()
> ==>v[0]
> gremlin> v2 = a.addVertex()
> ==>v[1]
> gremlin> control = v1.addEdge("CONTROL", v2)
> ==>e[2][0-CONTROL->1]
> gremlin> selfLoop = v1.addEdge("SELF-LOOP", v1)
> ==>e[3][0-SELF-LOOP->0]
> gremlin> a.io(IoCore.graphson()).writeGraph("test.gson")
> ==>null
> gremlin> b = TinkerGraph.open()
> ==>tinkergraph[vertices:0 edges:0]
> gremlin> b.io(IoCore.graphson()).readGraph("test.gson")
> ==>null
> gremlin> b.traversal().E()
> ==>e[2][0-CONTROL->1]
> {code}
> with graphson of:
> {code}
> {"id":0,"label":"vertex","inE":{"SELF-LOOP":[{"id":3,"outV":0}]},"outE":{"CONTROL":[{"id":2,"inV":1}]}}
> {"id":1,"label":"vertex","inE":{"CONTROL":[{"id":2,"outV":0}]}}
> {code}
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