@Test
public void shouldPersistToGraphML() {
    final String graphLocation = TestHelper.makeTestDataDirectory(TinkerGraphTest.class) + "shouldPersistToGraphML.xml";
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "graphml");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateModern(graph);
    graph.close();

    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertModernGraph(reloadedGraph, true, true);
    reloadedGraph.close();
}
 

@Test
public void shouldPersistToGraphSON() {
    final String graphLocation = TestHelper.makeTestDataDirectory(TinkerGraphTest.class) + "shouldPersistToGraphSON.json";
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "graphson");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateModern(graph);
    graph.close();

    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertModernGraph(reloadedGraph, true, false);
    reloadedGraph.close();
}
 

@Test
public void shouldPersistToGryo() {
    final String graphLocation = TestHelper.makeTestDataDirectory(TinkerGraphTest.class) + "shouldPersistToGryo.kryo";
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateModern(graph);
    graph.close();

    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertModernGraph(reloadedGraph, true, false);
    reloadedGraph.close();
}
 

@Test
public void shouldPersistToGryoAndHandleMultiProperties() {
    final String graphLocation = TestHelper.makeTestDataDirectory(TinkerGraphTest.class) + "shouldPersistToGryoMulti.kryo";
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateTheCrew(graph);
    graph.close();

    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_DEFAULT_VERTEX_PROPERTY_CARDINALITY, VertexProperty.Cardinality.list.toString());
    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertCrewGraph(reloadedGraph, false);
    reloadedGraph.close();
}
 

@Test
public void shouldPersistWithRelativePath() {
    final String graphLocation = TestHelper.convertToRelative(TinkerGraphTest.class,
            new File(TestHelper.makeTestDataDirectory(TinkerGraphTest.class)))  + "shouldPersistToGryoRelative.kryo";
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateModern(graph);
    graph.close();

    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertModernGraph(reloadedGraph, true, false);
    reloadedGraph.close();
}
 

@Override
public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName,
                                                final LoadGraphWith.GraphData loadGraphWith) {
    final TinkerGraph.DefaultIdManager idManager = TinkerGraph.DefaultIdManager.UUID;
    final String idMaker = idManager.name();
    return new HashMap<String, Object>() {{
        put(Graph.GRAPH, TinkerGraph.class.getName());
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_EDGE_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_PROPERTY_ID_MANAGER, idMaker);
        if (requiresListCardinalityAsDefault(loadGraphWith, test, testMethodName))
            put(TinkerGraph.GREMLIN_TINKERGRAPH_DEFAULT_VERTEX_PROPERTY_CARDINALITY, VertexProperty.Cardinality.list.name());
        if (requiresPersistence(test, testMethodName)) {
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
            final File tempDir = TestHelper.makeTestDataPath(test, "temp");
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION,
                    tempDir.getAbsolutePath() + File.separator + testMethodName + ".kryo");
        }
    }};
}
 

@Override
public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName,
                                                final LoadGraphWith.GraphData loadGraphWith) {
    final TinkerGraph.DefaultIdManager idManager = selectIdMakerFromGraphData(loadGraphWith);
    final String idMaker = (idManager.equals(TinkerGraph.DefaultIdManager.ANY) ? selectIdMakerFromTest(test, testMethodName) : idManager).name();
    return new HashMap<String, Object>() {{
        put(Graph.GRAPH, TinkerGraph.class.getName());
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_EDGE_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_PROPERTY_ID_MANAGER, idMaker);
        if (requiresListCardinalityAsDefault(loadGraphWith, test, testMethodName))
            put(TinkerGraph.GREMLIN_TINKERGRAPH_DEFAULT_VERTEX_PROPERTY_CARDINALITY, VertexProperty.Cardinality.list.name());
        if (requiresPersistence(test, testMethodName)) {
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
            final File tempDir = TestHelper.makeTestDataPath(test, "temp");
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION,
                    tempDir.getAbsolutePath() + File.separator + testMethodName + ".kryo");
        }
    }};
}
 

@Test
public void g_io_write_withXwriter_graphsonX() throws IOException {
    loadModern();
    final String fileToWrite = TestHelper.generateTempFile(WriteTest.class, "tinkerpop-modern-v3d0", ".json").getAbsolutePath().replace('\\', '/');

    final File f = new File(fileToWrite);
    assertThat(f.length() == 0, is(true));

    final Traversal<Object, Object> traversal = this.sqlgGraph.traversal().io(fileToWrite)
            .with(IO.writer, IO.graphson)
            .with(IO.registry, SqlgIoRegistryV3.instance())
            .write();
    printTraversalForm(traversal);
    traversal.iterate();

    assertThat(f.length() > 0, is(true));
}
 

@Test
public void shouldReadFromWriteToArbitraryRDD() throws Exception {
    final Configuration configuration = new BaseConfiguration();
    configuration.setProperty("spark.master", "local[4]");
    configuration.setProperty("spark.serializer", GryoSerializer.class.getCanonicalName());
    configuration.setProperty(Graph.GRAPH, HadoopGraph.class.getName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_READER, ExampleInputRDD.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_WRITER, ExampleOutputRDD.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, TestHelper.makeTestDataDirectory(this.getClass(), "shouldReadFromWriteToArbitraryRDD"));
    configuration.setProperty(Constants.GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE, false);
    ////////
    Graph graph = GraphFactory.open(configuration);
    graph.compute(SparkGraphComputer.class)
            .result(GraphComputer.ResultGraph.NEW)
            .persist(GraphComputer.Persist.EDGES)
            .program(TraversalVertexProgram.build()
                    .traversal(graph.traversal().withComputer(SparkGraphComputer.class),
                            "gremlin-groovy",
                            "g.V()").create(graph)).submit().get();
}
 

@Test
public void shouldNotHaveDanglingPersistedComputeRDDs() throws Exception {
    Spark.create("local[4]");
    final String rddName = TestHelper.makeTestDataDirectory(PersistedInputOutputRDDIntegrateTest.class, UUID.randomUUID().toString());
    final Configuration configuration = super.getBaseConfiguration();
    configuration.setProperty(Constants.GREMLIN_HADOOP_INPUT_LOCATION, SparkHadoopGraphProvider.PATHS.get("tinkerpop-modern-v3d0.kryo"));
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_READER, GryoInputFormat.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_WRITER, GryoOutputFormat.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, rddName);
    configuration.setProperty(Constants.GREMLIN_SPARK_PERSIST_CONTEXT, true);
    Graph graph = GraphFactory.open(configuration);
    ///
    assertEquals(6, graph.traversal().withComputer(Computer.compute(SparkGraphComputer.class)).V().out().count().next().longValue());
    assertFalse(Spark.hasRDD(Constants.getGraphLocation(rddName)));
    assertEquals(0, Spark.getContext().getPersistentRDDs().size());
    //
    assertEquals(2, graph.traversal().withComputer(Computer.compute(SparkGraphComputer.class)).V().out().out().count().next().longValue());
    assertFalse(Spark.hasRDD(Constants.getGraphLocation(rddName)));
    assertEquals(0, Spark.getContext().getPersistentRDDs().size());
    ///////
    Spark.close();
}
 

@Test
public void g_io_writeXkryoX() throws IOException {
    loadModern();
    final String fileToWrite = TestHelper.generateTempFile(WriteTest.class, "tinkerpop-modern-v3d0", ".kryo").getAbsolutePath().replace('\\', '/');

    final File f = new File(fileToWrite);
    assertThat(f.length() == 0, is(true));

    final Traversal<Object,Object> traversal = this.sqlgGraph.traversal()
            .io(fileToWrite)
            .with(IO.writer, IO.gryo)
            .with(IO.registry, SqlgIoRegistryV3.instance())
            .write();
    printTraversalForm(traversal);
    traversal.iterate();

    assertThat(f.length() > 0, is(true));
}
 

@Test
@LoadGraphWith(LoadGraphWith.GraphData.CREW)
public void shouldAttachWithGetMethod() {
    // vertex host
    g.V().forEachRemaining(vertex -> TestHelper.validateEquality(vertex, StarGraph.of(vertex).getStarVertex().attach(Attachable.Method.get(vertex))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().properties().forEachRemaining(vertexProperty -> TestHelper.validateEquality(vertexProperty, ((Attachable<VertexProperty>) vertexProperty).attach(Attachable.Method.get(vertex)))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().properties().forEachRemaining(vertexProperty -> vertexProperty.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ((Attachable<Property>) property).attach(Attachable.Method.get(vertex))))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().edges(Direction.OUT).forEachRemaining(edge -> TestHelper.validateEquality(edge, ((Attachable<Edge>) edge).attach(Attachable.Method.get(vertex)))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().edges(Direction.OUT).forEachRemaining(edge -> edge.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ((Attachable<Property>) property).attach(Attachable.Method.get(vertex))))));

    // graph host
    g.V().forEachRemaining(vertex -> TestHelper.validateEquality(vertex, StarGraph.of(vertex).getStarVertex().attach(Attachable.Method.get(graph))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().properties().forEachRemaining(vertexProperty -> TestHelper.validateEquality(vertexProperty, ((Attachable<VertexProperty>) vertexProperty).attach(Attachable.Method.get(graph)))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().properties().forEachRemaining(vertexProperty -> vertexProperty.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ((Attachable<Property>) property).attach(Attachable.Method.get(graph))))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().edges(Direction.OUT).forEachRemaining(edge -> TestHelper.validateEquality(edge, ((Attachable<Edge>) edge).attach(Attachable.Method.get(graph)))));
    g.V().forEachRemaining(vertex -> StarGraph.of(vertex).getStarVertex().edges(Direction.OUT).forEachRemaining(edge -> edge.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ((Attachable<Property>) property).attach(Attachable.Method.get(graph))))));
}
 

@Test
public void shouldNotPersistRDDAcrossJobs() throws Exception {
    Spark.create("local[4]");
    final String rddName = TestHelper.makeTestDataDirectory(PersistedInputOutputRDDIntegrateTest.class, UUID.randomUUID().toString());
    final Configuration configuration = super.getBaseConfiguration();
    configuration.setProperty(Constants.GREMLIN_HADOOP_INPUT_LOCATION, SparkHadoopGraphProvider.PATHS.get("tinkerpop-modern-v3d0.kryo"));
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_READER, GryoInputFormat.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_WRITER, PersistedOutputRDD.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, rddName);
    configuration.setProperty(Constants.GREMLIN_SPARK_PERSIST_CONTEXT, false);  // because the spark context is NOT persisted, neither is the RDD
    Graph graph = GraphFactory.open(configuration);
    graph.compute(SparkGraphComputer.class)
            .result(GraphComputer.ResultGraph.NEW)
            .persist(GraphComputer.Persist.EDGES)
            .program(TraversalVertexProgram.build()
                    .traversal(graph.traversal().withComputer(SparkGraphComputer.class),
                            "gremlin-groovy",
                            "g.V()").create(graph)).submit().get();
    ////////
    Spark.create("local[4]");
    assertFalse(Spark.hasRDD(Constants.getGraphLocation(rddName)));
    assertEquals(0, Spark.getContext().getPersistentRDDs().size());
    Spark.close();
}
 

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexPropertyFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_PROPERTY)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_META_PROPERTIES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_MULTI_PROPERTIES)
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_PROPERTY)
public void shouldAttachWithCreateMethod() {
    final Random random = TestHelper.RANDOM;
    StarGraph starGraph = StarGraph.open();
    Vertex starVertex = starGraph.addVertex(T.label, "person", "name", "stephen", "name", "spmallete");
    starVertex.property("acl", true, "timestamp", random.nextLong(), "creator", "marko");
    for (int i = 0; i < 100; i++) {
        starVertex.addEdge("knows", starGraph.addVertex("person", "name", new UUID(random.nextLong(), random.nextLong()), "since", random.nextLong()));
        starGraph.addVertex(T.label, "project").addEdge("developedBy", starVertex, "public", random.nextBoolean());
    }
    final Vertex createdVertex = starGraph.getStarVertex().attach(Attachable.Method.create(graph));
    starGraph.getStarVertex().edges(Direction.BOTH).forEachRemaining(edge -> ((Attachable<Edge>) edge).attach(Attachable.Method.create(random.nextBoolean() ? graph : createdVertex)));
    TestHelper.validateEquality(starVertex, createdVertex);
}
 

@Test
@LoadGraphWith(LoadGraphWith.GraphData.CREW)
public void testAttachableGetMethod() {
    // vertex host
    g.V().forEachRemaining(vertex -> TestHelper.validateEquality(vertex, ReferenceFactory.detach(vertex).attach(Attachable.Method.get(vertex))));
    g.V().forEachRemaining(vertex -> vertex.properties().forEachRemaining(vertexProperty -> TestHelper.validateEquality(vertexProperty, ReferenceFactory.detach(vertexProperty).attach(Attachable.Method.get(vertex)))));
    g.V().forEachRemaining(vertex -> vertex.properties().forEachRemaining(vertexProperty -> vertexProperty.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ReferenceFactory.detach(property).attach(Attachable.Method.get(vertex))))));
    g.V().forEachRemaining(vertex -> vertex.edges(Direction.OUT).forEachRemaining(edge -> TestHelper.validateEquality(edge, ReferenceFactory.detach(edge).attach(Attachable.Method.get(vertex)))));
    g.V().forEachRemaining(vertex -> vertex.edges(Direction.OUT).forEachRemaining(edge -> edge.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ReferenceFactory.detach(property).attach(Attachable.Method.get(vertex))))));

    // graph host
    g.V().forEachRemaining(vertex -> TestHelper.validateEquality(vertex, ReferenceFactory.detach(vertex).attach(Attachable.Method.get(graph))));
    g.V().forEachRemaining(vertex -> vertex.properties().forEachRemaining(vertexProperty -> TestHelper.validateEquality(vertexProperty, ReferenceFactory.detach(vertexProperty).attach(Attachable.Method.get(graph)))));
    g.V().forEachRemaining(vertex -> vertex.properties().forEachRemaining(vertexProperty -> vertexProperty.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ReferenceFactory.detach(property).attach(Attachable.Method.get(graph))))));
    g.V().forEachRemaining(vertex -> vertex.edges(Direction.OUT).forEachRemaining(edge -> TestHelper.validateEquality(edge, ReferenceFactory.detach(edge).attach(Attachable.Method.get(graph)))));
    g.V().forEachRemaining(vertex -> vertex.edges(Direction.OUT).forEachRemaining(edge -> edge.properties().forEachRemaining(property -> TestHelper.validateEquality(property, ReferenceFactory.detach(property).attach(Attachable.Method.get(graph))))));

}
 

@Test
@LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
public void shouldReadWriteClassicToFileWithHelpers() throws Exception {
    final File f = TestHelper.generateTempFile(this.graph.getClass(), name.getMethodName(), fileExtension);
    try {
        graph.io(ioBuilderToTest).writeGraph(Storage.toPath(f));

        final Configuration configuration = graphProvider.newGraphConfiguration("readGraph", this.getClass(), name.getMethodName(), LoadGraphWith.GraphData.CLASSIC);
        final Graph g1 = graphProvider.openTestGraph(configuration);
        g1.io(ioBuilderToTest).readGraph(Storage.toPath(f));

        IoTest.assertClassicGraph(g1, assertDouble, lossyForId);

        graphProvider.clear(g1, configuration);
    } catch (Exception ex) {
        f.delete();
        throw ex;
    }
}
 

@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
public void shouldReadWriteModernToFileWithHelpers() throws Exception {
    final File f = TestHelper.generateTempFile(this.graph.getClass(), name.getMethodName(), fileExtension);
    try {
        graph.io(ioBuilderToTest).writeGraph(Storage.toPath(f));

        final Configuration configuration = graphProvider.newGraphConfiguration("readGraph", this.getClass(), name.getMethodName(), LoadGraphWith.GraphData.MODERN);
        final Graph g1 = graphProvider.openTestGraph(configuration);
        g1.io(ioBuilderToTest).readGraph(Storage.toPath(f));

        // modern uses double natively so always assert as such
        IoTest.assertModernGraph(g1, true, lossyForId);

        graphProvider.clear(g1, configuration);
    } catch (Exception ex) {
        f.delete();
        throw ex;
    }
}
 

@Test
@LoadGraphWith(MODERN)
public void g_V_hasXname_rippleX_inXcreatedX_peerPressure_withXedges_outEX_withXpropertyName_clusterX_repeatXunionXidentity__bothX_timesX2X_dedup_valueMapXname_clusterX() {
    TestHelper.assumeNonDeterministic();
    final Traversal<Vertex, Map<Object, List<Object>>> traversal = get_g_V_hasXname_rippleX_inXcreatedX_peerPressure_withXedges_outEX_withXpropertyName_clusterX_repeatXunionXidentity__bothX_timesX2X_dedup_valueMapXname_clusterX();
    printTraversalForm(traversal);
    final List<Map<Object, List<Object>>> results = traversal.toList();
    assertEquals(6, results.size());
    final Map<String, Object> clusters = new HashMap<>();
    results.forEach(m -> clusters.put((String) m.get("name").get(0), m.get("cluster").get(0)));
    assertEquals(2, results.get(0).size());
    assertEquals(6, clusters.size());
    assertEquals(clusters.get("josh"), clusters.get("ripple"));
    assertEquals(clusters.get("josh"), clusters.get("lop"));
    final Set<Object> ids = new HashSet<>(clusters.values());
    assertEquals(4, ids.size());
    assertTrue(ids.contains(convertToVertexId("marko")));
    assertTrue(ids.contains(convertToVertexId("vadas")));
    assertTrue(ids.contains(convertToVertexId("josh")));
    assertTrue(ids.contains(convertToVertexId("peter")));
}
 

@Test
public void shouldPersistToGraphSON() {
    final String graphLocation = TestHelper.makeTestDataFile(TinkerGraphTest.class, "shouldPersistToGraphSON.json");
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "graphson");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateModern(graph);
    graph.close();

    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertModernGraph(reloadedGraph, true, false);
    reloadedGraph.close();
}
 

@Test
public void shouldPersistToGryo() {
    final String graphLocation = TestHelper.makeTestDataFile(TinkerGraphTest.class, "shouldPersistToGryo.kryo");
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateModern(graph);
    graph.close();

    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertModernGraph(reloadedGraph, true, false);
    reloadedGraph.close();
}
 

@Test
public void shouldPersistToGryoAndHandleMultiProperties() {
    final String graphLocation = TestHelper.makeTestDataFile(TinkerGraphTest.class, "shouldPersistToGryoMulti.kryo");
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateTheCrew(graph);
    graph.close();

    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_DEFAULT_VERTEX_PROPERTY_CARDINALITY, VertexProperty.Cardinality.list.toString());
    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertCrewGraph(reloadedGraph, false);
    reloadedGraph.close();
}
 

@Test
public void shouldPersistWithRelativePath() {
    final String graphLocation = TestHelper.convertToRelative(TinkerGraphTest.class,
                                                              TestHelper.makeTestDataPath(TinkerGraphTest.class))
                                 + "shouldPersistToGryoRelative.kryo";
    final File f = new File(graphLocation);
    if (f.exists() && f.isFile()) f.delete();

    final Configuration conf = new BaseConfiguration();
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
    conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, graphLocation);
    final TinkerGraph graph = TinkerGraph.open(conf);
    TinkerFactory.generateModern(graph);
    graph.close();

    final TinkerGraph reloadedGraph = TinkerGraph.open(conf);
    IoTest.assertModernGraph(reloadedGraph, true, false);
    reloadedGraph.close();
}
 

@Override
public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName,
                                                final LoadGraphWith.GraphData loadGraphWith) {
    final TinkerGraph.DefaultIdManager idManager = TinkerGraph.DefaultIdManager.UUID;
    final String idMaker = idManager.name();
    return new HashMap<String, Object>() {{
        put(Graph.GRAPH, TinkerGraph.class.getName());
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_EDGE_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_PROPERTY_ID_MANAGER, idMaker);
        if (requiresListCardinalityAsDefault(loadGraphWith, test, testMethodName))
            put(TinkerGraph.GREMLIN_TINKERGRAPH_DEFAULT_VERTEX_PROPERTY_CARDINALITY, VertexProperty.Cardinality.list.name());
        if (requiresPersistence(test, testMethodName)) {
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, TestHelper.makeTestDataFile(test, "temp", testMethodName + ".kryo"));
        }
    }};
}
 

@Test
public void shouldWriteReadWithCustomIoRegistryGryo() throws Exception {
    final UUID uuid = UUID.randomUUID();
    g.addV("person").property("name","stephen").property("custom", new CustomId("a", uuid)).iterate();

    final File file = TestHelper.generateTempFile(TinkerGraphIoStepTest.class, "shouldWriteReadWithCustomIoRegistryGryo", ".kryo");
    g.io(file.getAbsolutePath()).with(IO.registry, CustomId.CustomIdIoRegistry.class.getName()).write().iterate();

    final Graph emptyGraph = TinkerGraph.open();
    final GraphTraversalSource emptyG = emptyGraph.traversal();

    try {
        emptyG.io(file.getAbsolutePath()).read().iterate();
        fail("Can't read without a registry");
    } catch (Exception ignored) {
        // do nothing
    }

    emptyG.io(file.getAbsolutePath()).with(IO.registry, CustomId.CustomIdIoRegistry.instance()).read().iterate();

    assertEquals(1, emptyG.V().has("custom", new CustomId("a", uuid)).count().next().intValue());
}
 

@Test
public void shouldWriteReadWithCustomIoRegistryGraphSON() throws Exception {
    final UUID uuid = UUID.randomUUID();
    g.addV("person").property("name","stephen").property("custom", new CustomId("a", uuid)).iterate();

    final File file = TestHelper.generateTempFile(TinkerGraphIoStepTest.class, "shouldWriteReadWithCustomIoRegistryGraphSON", ".json");
    g.io(file.getAbsolutePath()).with(IO.registry, CustomId.CustomIdIoRegistry.class.getName()).write().iterate();

    final Graph emptyGraph = TinkerGraph.open();
    final GraphTraversalSource emptyG = emptyGraph.traversal();

    try {
        emptyG.io(file.getAbsolutePath()).read().iterate();
        fail("Can't read without a registry");
    } catch (Exception ignored) {
        // do nothing
    }

    emptyG.io(file.getAbsolutePath()).with(IO.registry, CustomId.CustomIdIoRegistry.instance()).read().iterate();

    assertEquals(1, emptyG.V().has("custom", new CustomId("a", uuid)).count().next().intValue());
}
 

@Override
public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName,
                                                final LoadGraphWith.GraphData loadGraphWith) {
    final TinkerGraph.DefaultIdManager idManager = selectIdMakerFromGraphData(loadGraphWith);
    final String idMaker = (idManager.equals(TinkerGraph.DefaultIdManager.ANY) ? selectIdMakerFromTest(test, testMethodName) : idManager).name();
    return new HashMap<String, Object>() {{
        put(Graph.GRAPH, TinkerGraph.class.getName());
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_EDGE_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_PROPERTY_ID_MANAGER, idMaker);
        if (requiresListCardinalityAsDefault(loadGraphWith, test, testMethodName))
            put(TinkerGraph.GREMLIN_TINKERGRAPH_DEFAULT_VERTEX_PROPERTY_CARDINALITY, VertexProperty.Cardinality.list.name());
        if (requiresPersistence(test, testMethodName)) {
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION,TestHelper.makeTestDataFile(test, "temp", testMethodName + ".kryo"));
        }
    }};
}
 

@Override
public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName,
                                                final LoadGraphWith.GraphData loadGraphWith) {
    final TinkerGraph.DefaultIdManager idManager = selectIdMakerFromGraphData(loadGraphWith);
    final String idMaker = (idManager.equals(TinkerGraph.DefaultIdManager.ANY) ? selectIdMakerFromTest(test, testMethodName) : idManager).name();
    return new HashMap<String, Object>() {{
        put(Graph.GRAPH, TinkerGraph.class.getName());
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_EDGE_ID_MANAGER, idMaker);
        put(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_PROPERTY_ID_MANAGER, idMaker);
        if (requiresListCardinalityAsDefault(loadGraphWith, test, testMethodName))
            put(TinkerGraph.GREMLIN_TINKERGRAPH_DEFAULT_VERTEX_PROPERTY_CARDINALITY, VertexProperty.Cardinality.list.name());
        if (requiresPersistence(test, testMethodName)) {
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, "gryo");
            put(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, TestHelper.makeTestDataFile(test, "temp", testMethodName + ".kryo"));
        }
    }};
}
 

@Test
public void shouldSupportDirectoryFileDistinction() throws Exception {
    // Make sure Spark is shut down before deleting its files and directories,
    // which are locked under Windows and fail the tests. See FileSystemStorageCheck
    graph.configuration().setProperty(Constants.GREMLIN_SPARK_PERSIST_CONTEXT, false);

    final Storage storage = FileSystemStorage.open(ConfUtil.makeHadoopConfiguration(graph.configuration()));
    final String directory1 = TestHelper.makeTestDataDirectory(FileSystemStorageCheck.class, "directory1");
    final String directory2 = TestHelper.makeTestDataDirectory(FileSystemStorageCheck.class, "directory2");
    for (int i = 0; i < 10; i++) {
        new File(directory1, "file1-" + i + ".txt.bz").createNewFile();
    }
    for (int i = 0; i < 5; i++) {
        new File(directory2, "file2-" + i + ".txt.bz").createNewFile();
    }
    super.checkFileDirectoryDistinction(storage, directory1, directory2);
    deleteDirectory(directory1);
    deleteDirectory(directory2);
}
 

@Test
public void shouldWriteToArbitraryRDD() throws Exception {
    final Configuration configuration = new BaseConfiguration();
    configuration.setProperty("spark.master", "local[4]");
    configuration.setProperty("spark.serializer", GryoSerializer.class.getCanonicalName());
    configuration.setProperty(Graph.GRAPH, HadoopGraph.class.getName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_INPUT_LOCATION, SparkHadoopGraphProvider.PATHS.get("tinkerpop-modern-v3d0.kryo"));
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_READER, GryoInputFormat.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_WRITER, ExampleOutputRDD.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, TestHelper.makeTestDataDirectory(this.getClass(), "shouldWriteToArbitraryRDD"));
    configuration.setProperty(Constants.GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE, false);
    ////////
    Graph graph = GraphFactory.open(configuration);
    graph.compute(SparkGraphComputer.class)
            .result(GraphComputer.ResultGraph.NEW)
            .persist(GraphComputer.Persist.EDGES)
            .program(TraversalVertexProgram.build()
                    .traversal(graph.traversal().withComputer(Computer.compute(SparkGraphComputer.class)),
                            "gremlin-groovy",
                            "g.V()").create(graph)).submit().get();
}
 

@Test
public void shouldSupportHadoopGraphOLTP() {
    final Configuration configuration = new BaseConfiguration();
    configuration.setProperty("spark.master", "local[4]");
    configuration.setProperty("spark.serializer", GryoSerializer.class.getCanonicalName());
    configuration.setProperty(Graph.GRAPH, HadoopGraph.class.getName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_READER, ExampleInputRDD.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_WRITER, GryoOutputFormat.class.getCanonicalName());
    configuration.setProperty(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, TestHelper.makeTestDataDirectory(this.getClass(), "shouldSupportHadoopGraphOLTP"));
    configuration.setProperty(Constants.GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE, false);
    ////////
    Graph graph = GraphFactory.open(configuration);
    GraphTraversalSource g = graph.traversal(); // OLTP;
    assertEquals("person", g.V().has("age", 29).next().label());
    assertEquals(Long.valueOf(4), g.V().count().next());
    assertEquals(Long.valueOf(0), g.E().count().next());
    assertEquals(Long.valueOf(2), g.V().has("age", P.gt(30)).count().next());
}