| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.tinkerpop.gremlin.structure.io; |
| |
| import org.apache.tinkerpop.gremlin.AbstractGremlinTest; |
| import org.apache.tinkerpop.gremlin.FeatureRequirement; |
| import org.apache.tinkerpop.gremlin.LoadGraphWith; |
| import org.apache.tinkerpop.gremlin.TestHelper; |
| import org.apache.tinkerpop.gremlin.process.traversal.P; |
| import org.apache.tinkerpop.gremlin.structure.Direction; |
| import org.apache.tinkerpop.gremlin.structure.Edge; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| import org.apache.tinkerpop.gremlin.structure.T; |
| import org.apache.tinkerpop.gremlin.structure.Vertex; |
| import org.apache.tinkerpop.gremlin.structure.VertexProperty; |
| import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONIo; |
| import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONVersion; |
| import org.apache.tinkerpop.gremlin.structure.io.graphson.TypeInfo; |
| import org.apache.tinkerpop.gremlin.structure.io.gryo.GryoIo; |
| import org.apache.tinkerpop.gremlin.structure.io.gryo.GryoVersion; |
| import org.apache.tinkerpop.gremlin.structure.io.gryo.VertexByteArrayInputStream; |
| import org.apache.tinkerpop.gremlin.structure.util.detached.DetachedFactory; |
| import org.apache.tinkerpop.gremlin.util.iterator.IteratorUtils; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.io.BufferedReader; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.function.Function; |
| import java.util.function.Predicate; |
| |
| import static org.apache.tinkerpop.gremlin.structure.Graph.Features.DataTypeFeatures.FEATURE_STRING_VALUES; |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.core.StringStartsWith.startsWith; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.junit.Assume.assumeThat; |
| import static org.mockito.Mockito.mock; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| @RunWith(Parameterized.class) |
| public class IoVertexTest extends AbstractGremlinTest { |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static Iterable<Object[]> data() { |
| return Arrays.asList(new Object[][]{ |
| {"graphson-v1", false, false, |
| (Function<Graph, GraphReader>) g -> g.io(GraphSONIo.build(GraphSONVersion.V1_0)).reader().create(), |
| (Function<Graph, GraphWriter>) g -> g.io(GraphSONIo.build(GraphSONVersion.V1_0)).writer().create()}, |
| {"graphson-v1-embedded", true, false, |
| (Function<Graph, GraphReader>) g -> g.io(GraphSONIo.build(GraphSONVersion.V1_0)).reader().mapper(g.io(GraphSONIo.build(GraphSONVersion.V1_0)).mapper().typeInfo(TypeInfo.PARTIAL_TYPES).create()).create(), |
| (Function<Graph, GraphWriter>) g -> g.io(GraphSONIo.build(GraphSONVersion.V1_0)).writer().mapper(g.io(GraphSONIo.build(GraphSONVersion.V1_0)).mapper().typeInfo(TypeInfo.PARTIAL_TYPES).create()).create()}, |
| {"graphson-v2", false, false, |
| (Function<Graph, GraphReader>) g -> g.io(GraphSONIo.build(GraphSONVersion.V2_0)).reader().mapper(g.io(GraphSONIo.build(GraphSONVersion.V2_0)).mapper().typeInfo(TypeInfo.NO_TYPES).create()).create(), |
| (Function<Graph, GraphWriter>) g -> g.io(GraphSONIo.build(GraphSONVersion.V2_0)).writer().mapper(g.io(GraphSONIo.build(GraphSONVersion.V2_0)).mapper().typeInfo(TypeInfo.NO_TYPES).create()).create()}, |
| {"graphson-v2-embedded", true, false, |
| (Function<Graph, GraphReader>) g -> g.io(GraphSONIo.build(GraphSONVersion.V2_0)).reader().mapper(g.io(GraphSONIo.build(GraphSONVersion.V2_0)).mapper().typeInfo(TypeInfo.PARTIAL_TYPES).create()).create(), |
| (Function<Graph, GraphWriter>) g -> g.io(GraphSONIo.build(GraphSONVersion.V2_0)).writer().mapper(g.io(GraphSONIo.build(GraphSONVersion.V2_0)).mapper().typeInfo(TypeInfo.PARTIAL_TYPES).create()).create()}, |
| {"graphson-v3", true, false, |
| (Function<Graph, GraphReader>) g -> g.io(GraphSONIo.build(GraphSONVersion.V3_0)).reader().mapper(g.io(GraphSONIo.build(GraphSONVersion.V3_0)).mapper().create()).create(), |
| (Function<Graph, GraphWriter>) g -> g.io(GraphSONIo.build(GraphSONVersion.V3_0)).writer().mapper(g.io(GraphSONIo.build(GraphSONVersion.V3_0)).mapper().create()).create()}, |
| {"gryo-v1", true, true, |
| (Function<Graph, GraphReader>) g -> g.io(GryoIo.build(GryoVersion.V1_0)).reader().create(), |
| (Function<Graph, GraphWriter>) g -> g.io(GryoIo.build(GryoVersion.V1_0)).writer().create()}, |
| {"gryo-v3", true, true, |
| (Function<Graph, GraphReader>) g -> g.io(GryoIo.build(GryoVersion.V3_0)).reader().create(), |
| (Function<Graph, GraphWriter>) g -> g.io(GryoIo.build(GryoVersion.V3_0)).writer().create()} |
| }); |
| } |
| |
| @Parameterized.Parameter(value = 0) |
| public String ioType; |
| |
| @Parameterized.Parameter(value = 1) |
| public boolean assertViaDirectEquality; |
| |
| @Parameterized.Parameter(value = 2) |
| public boolean assertEdgesAtSameTimeAsVertex; |
| |
| @Parameterized.Parameter(value = 3) |
| public Function<Graph, GraphReader> readerMaker; |
| |
| @Parameterized.Parameter(value = 4) |
| public Function<Graph, GraphWriter> writerMaker; |
| |
| @Test |
| @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) |
| @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteVertexWithBOTHEdges() throws Exception { |
| final Vertex v1 = graph.addVertex("name", "marko", T.label, "person"); |
| |
| final Vertex v2 = graph.addVertex(T.label, "person"); |
| final Edge e1 = v2.addEdge("friends", v1, "weight", 0.5d); |
| final Edge e2 = v1.addEdge("friends", v2, "weight", 1.0d); |
| |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertex(os, v1, Direction.BOTH); |
| |
| final AtomicBoolean calledVertex = new AtomicBoolean(false); |
| final AtomicBoolean calledEdge1 = new AtomicBoolean(false); |
| final AtomicBoolean calledEdge2 = new AtomicBoolean(false); |
| |
| final GraphReader reader = readerMaker.apply(graph); |
| try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { |
| reader.readVertex(bais, attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| if (assertViaDirectEquality) { |
| TestHelper.validateVertexEquality(v1, detachedVertex, assertEdgesAtSameTimeAsVertex); |
| } else { |
| assertEquals(v1.id(), graph.vertices(detachedVertex.id().toString()).next().id()); |
| assertEquals(v1.label(), detachedVertex.label()); |
| assertEquals(1, IteratorUtils.count(detachedVertex.properties())); |
| assertEquals("marko", detachedVertex.value("name")); |
| } |
| calledVertex.set(true); |
| return detachedVertex; |
| }, attachable -> { |
| final Edge detachedEdge = attachable.get(); |
| final Predicate<Edge> matcher = assertViaDirectEquality ? e -> detachedEdge.id().equals(e.id()) : |
| e -> graph.edges(detachedEdge.id().toString()).next().id().equals(e.id()); |
| if (matcher.test(e1)) { |
| if (assertViaDirectEquality) { |
| TestHelper.validateEdgeEquality(e1, detachedEdge); |
| } else { |
| assertEquals(e1.id(), graph.edges(detachedEdge.id().toString()).next().id()); |
| assertEquals(v1.id(), graph.vertices(detachedEdge.inVertex().id().toString()).next().id()); |
| assertEquals(v2.id(), graph.vertices(detachedEdge.outVertex().id().toString()).next().id()); |
| assertEquals(v2.label(), detachedEdge.inVertex().label()); |
| assertEquals(e1.label(), detachedEdge.label()); |
| assertEquals(1, IteratorUtils.count(detachedEdge.properties())); |
| assertEquals(0.5d, detachedEdge.value("weight"), 0.000001d); |
| } |
| calledEdge1.set(true); |
| } else if (matcher.test(e2)) { |
| if (assertViaDirectEquality) { |
| TestHelper.validateEdgeEquality(e2, detachedEdge); |
| } else { |
| assertEquals(e2.id(), graph.edges(detachedEdge.id().toString()).next().id()); |
| assertEquals(v2.id(), graph.vertices(detachedEdge.inVertex().id().toString()).next().id()); |
| assertEquals(v1.id(), graph.vertices(detachedEdge.outVertex().id().toString()).next().id()); |
| assertEquals(v1.label(), detachedEdge.outVertex().label()); |
| assertEquals(e2.label(), detachedEdge.label()); |
| assertEquals(1, IteratorUtils.count(detachedEdge.properties())); |
| assertEquals(1.0d, detachedEdge.value("weight"), 0.000001d); |
| } |
| calledEdge2.set(true); |
| } else { |
| fail("An edge id generated that does not exist"); |
| } |
| |
| return null; |
| }, Direction.BOTH); |
| } |
| |
| assertTrue(calledVertex.get()); |
| assertTrue(calledEdge1.get()); |
| assertTrue(calledEdge2.get()); |
| } |
| } |
| |
| @Test |
| @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) |
| @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteVertexWithINEdges() throws Exception { |
| final Vertex v1 = graph.addVertex("name", "marko", T.label, "person"); |
| |
| final Vertex v2 = graph.addVertex(T.label, "person"); |
| final Edge e = v2.addEdge("friends", v1, "weight", 0.5d); |
| |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertex(os, v1, Direction.IN); |
| |
| final AtomicBoolean calledVertex = new AtomicBoolean(false); |
| final AtomicBoolean calledEdge = new AtomicBoolean(false); |
| |
| final GraphReader reader = readerMaker.apply(graph); |
| try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { |
| reader.readVertex(bais, attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| if (assertViaDirectEquality) { |
| TestHelper.validateVertexEquality(v1, detachedVertex, assertEdgesAtSameTimeAsVertex); |
| } else { |
| assertEquals(v1.id(), graph.vertices(detachedVertex.id().toString()).next().id()); |
| assertEquals(v1.label(), detachedVertex.label()); |
| assertEquals(1, IteratorUtils.count(detachedVertex.properties())); |
| assertEquals("marko", detachedVertex.value("name")); |
| } |
| calledVertex.set(true); |
| return detachedVertex; |
| }, attachable -> { |
| final Edge detachedEdge = attachable.get(); |
| if (assertViaDirectEquality) |
| TestHelper.validateEdgeEquality(e, detachedEdge); |
| else { |
| assertEquals(e.id(), graph.edges(detachedEdge.id().toString()).next().id()); |
| assertEquals(v1.id(), graph.vertices(detachedEdge.inVertex().id().toString()).next().id()); |
| assertEquals(v2.id(), graph.vertices(detachedEdge.outVertex().id().toString()).next().id()); |
| assertEquals(v2.label(), detachedEdge.inVertex().label()); |
| assertEquals(e.label(), detachedEdge.label()); |
| assertEquals(1, IteratorUtils.count(detachedEdge.properties())); |
| assertEquals(0.5d, detachedEdge.value("weight"), 0.000001d); |
| } |
| calledEdge.set(true); |
| |
| return detachedEdge; |
| }, Direction.IN); |
| } |
| |
| assertTrue(calledVertex.get()); |
| assertTrue(calledEdge.get()); |
| } |
| } |
| |
| @Test |
| @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) |
| @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteVertexWithOUTEdges() throws Exception { |
| final Vertex v1 = graph.addVertex("name", "marko", T.label, "person"); |
| |
| final Vertex v2 = graph.addVertex(T.label, "person"); |
| final Edge e = v1.addEdge("friends", v2, "weight", 0.5d); |
| |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertex(os, v1, Direction.OUT); |
| |
| final AtomicBoolean calledVertex = new AtomicBoolean(false); |
| final AtomicBoolean calledEdge = new AtomicBoolean(false); |
| final GraphReader reader = readerMaker.apply(graph); |
| |
| try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { |
| reader.readVertex(bais, attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| if (assertViaDirectEquality) { |
| TestHelper.validateVertexEquality(v1, detachedVertex, assertEdgesAtSameTimeAsVertex); |
| } else { |
| assertEquals(v1.id(), graph.vertices(detachedVertex.id().toString()).next().id()); |
| assertEquals(v1.label(), detachedVertex.label()); |
| assertEquals(1, IteratorUtils.count(detachedVertex.properties())); |
| assertEquals("marko", detachedVertex.value("name")); |
| } |
| calledVertex.set(true); |
| return detachedVertex; |
| }, |
| attachable -> { |
| final Edge detachedEdge = attachable.get(); |
| if (assertViaDirectEquality) |
| TestHelper.validateEdgeEquality(e, detachedEdge); |
| else { |
| assertEquals(e.id(), graph.edges(detachedEdge.id().toString()).next().id()); |
| assertEquals(v1.id(), graph.vertices(detachedEdge.outVertex().id().toString()).next().id()); |
| assertEquals(v2.id(), graph.vertices(detachedEdge.inVertex().id().toString()).next().id()); |
| assertEquals(v1.label(), detachedEdge.outVertex().label()); |
| assertEquals(e.label(), detachedEdge.label()); |
| assertEquals(1, IteratorUtils.count(detachedEdge.properties())); |
| assertEquals(0.5d, detachedEdge.value("weight"), 0.000001d); |
| } |
| calledEdge.set(true); |
| |
| return detachedEdge; |
| }, Direction.OUT); |
| } |
| |
| assertTrue(calledVertex.get()); |
| assertTrue(calledEdge.get()); |
| } |
| } |
| |
| @Test |
| @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) |
| @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteVertexNoEdges() throws Exception { |
| final Vertex v1 = graph.addVertex("name", "marko", "acl", "rw"); |
| final Vertex v2 = graph.addVertex(); |
| v1.addEdge("friends", v2, "weight", 0.5d); |
| assertVertexToSerialize(v1, true); |
| } |
| |
| @Test |
| @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) |
| @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteDetachedVertexNoEdges() throws Exception { |
| final Vertex v1 = graph.addVertex("name", "marko", "acl", "rw"); |
| final Vertex v2 = graph.addVertex(); |
| v1.addEdge("friends", v2, "weight", 0.5d); |
| assertVertexToSerialize(DetachedFactory.detach(v1, true), true); |
| } |
| |
| @Test |
| @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) |
| @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteDetachedVertexAsReferenceNoEdges() throws Exception { |
| final Vertex v1 = graph.addVertex("name", "marko", "acl", "rw"); |
| final Vertex v2 = graph.addVertex(); |
| v1.addEdge("friends", v2, "weight", 0.5d); |
| assertVertexToSerialize(DetachedFactory.detach(v1, false), false); |
| } |
| |
| @Test |
| @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) |
| @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_MULTI_PROPERTIES) |
| @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_META_PROPERTIES) |
| public void shouldReadWriteVertexMultiPropsNoEdges() throws Exception { |
| final Vertex v1 = graph.addVertex("name", "marko", "name", "mark", "acl", "rw"); |
| v1.property(VertexProperty.Cardinality.single, "propsSquared", 123, "x", "a", "y", "b"); |
| final Vertex v2 = graph.addVertex(); |
| v1.addEdge("friends", v2, "weight", 0.5d); |
| |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertex(os, v1); |
| |
| final AtomicBoolean called = new AtomicBoolean(false); |
| final GraphReader reader = readerMaker.apply(graph); |
| try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { |
| reader.readVertex(bais, attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| assertEquals(v1.id(), assertViaDirectEquality ? detachedVertex.id() : graph.vertices(detachedVertex.id().toString()).next().id()); |
| assertEquals(v1.label(), detachedVertex.label()); |
| assertEquals(4, IteratorUtils.count(detachedVertex.properties())); |
| assertEquals("a", detachedVertex.property("propsSquared").value("x")); |
| assertEquals("b", detachedVertex.property("propsSquared").value("y")); |
| assertEquals(2, IteratorUtils.count(detachedVertex.properties("name"))); |
| assertTrue(IteratorUtils.stream(detachedVertex.properties("name")).allMatch(p -> p.key().equals("name") && (p.value().equals("marko") || p.value().equals("mark")))); |
| assertEquals(v1.value("acl"), detachedVertex.value("acl").toString()); |
| called.set(true); |
| return mock(Vertex.class); |
| }); |
| } |
| assertTrue(called.get()); |
| } |
| } |
| |
| @Test |
| @LoadGraphWith(LoadGraphWith.GraphData.MODERN) |
| public void shouldReadWriteVerticesNoEdges() throws Exception { |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertices(os, g.V().has("age", P.gt(30))); |
| |
| final AtomicInteger called = new AtomicInteger(0); |
| final GraphReader reader = readerMaker.apply(graph); |
| |
| try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { |
| final Iterator<Vertex> itty = reader.readVertices(bais, |
| attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| called.incrementAndGet(); |
| return detachedVertex; |
| }, null, null); |
| |
| assertNotNull(itty.next()); |
| assertNotNull(itty.next()); |
| assertFalse(itty.hasNext()); |
| } |
| |
| assertEquals(2, called.get()); |
| } |
| } |
| |
| @Test |
| @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC) |
| public void shouldReadWriteVerticesNoEdgesToGraphSONManual() throws Exception { |
| assumeThat(ioType, startsWith("graphson")); |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertices(os, g.V().has("age", P.gt(30))); |
| |
| final AtomicInteger called = new AtomicInteger(0); |
| final GraphReader reader = readerMaker.apply(graph); |
| try (final BufferedReader br = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(os.toByteArray())))) { |
| String line = br.readLine(); |
| reader.readVertex(new ByteArrayInputStream(line.getBytes()), |
| attachable -> { |
| called.incrementAndGet(); |
| return mock(Vertex.class); |
| }); |
| |
| line = br.readLine(); |
| reader.readVertex(new ByteArrayInputStream(line.getBytes()), |
| detachedVertex -> { |
| called.incrementAndGet(); |
| return mock(Vertex.class); |
| }); |
| } |
| |
| assertEquals(2, called.get()); |
| } |
| } |
| |
| @Test |
| @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC) |
| public void shouldReadWriteVerticesNoEdgesToGryoManual() throws Exception { |
| assumeThat(ioType, is("gryo")); |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertices(os, g.V().has("age", P.gt(30))); |
| |
| final AtomicInteger called = new AtomicInteger(0); |
| final GraphReader reader = readerMaker.apply(graph); |
| try (final VertexByteArrayInputStream vbais = new VertexByteArrayInputStream(new ByteArrayInputStream(os.toByteArray()))) { |
| final byte[] y = vbais.readVertexBytes().toByteArray(); |
| reader.readVertex(new ByteArrayInputStream(y), |
| attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| called.incrementAndGet(); |
| return detachedVertex; |
| }); |
| |
| final byte[] z = vbais.readVertexBytes().toByteArray(); |
| reader.readVertex(new ByteArrayInputStream(z), |
| attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| called.incrementAndGet(); |
| return detachedVertex; |
| }); |
| } |
| |
| assertEquals(2, called.get()); |
| } |
| } |
| |
| private void assertVertexToSerialize(final Vertex toSerialize, final boolean assertProperties) throws IOException { |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeVertex(os, toSerialize); |
| |
| final AtomicBoolean called = new AtomicBoolean(false); |
| final GraphReader reader = readerMaker.apply(graph); |
| try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { |
| reader.readVertex(bais, attachable -> { |
| final Vertex detachedVertex = attachable.get(); |
| if (assertViaDirectEquality) { |
| TestHelper.validateVertexEquality(toSerialize, detachedVertex, false); // don't assert edges - there are none |
| } else { |
| assertEquals(toSerialize.id(), graph.vertices(detachedVertex.id().toString()).next().id()); |
| assertEquals(toSerialize.label(), detachedVertex.label()); |
| if (assertProperties) { |
| assertEquals(2, IteratorUtils.count(detachedVertex.properties())); |
| assertEquals(toSerialize.value("name"), detachedVertex.value("name").toString()); |
| assertEquals(toSerialize.value("acl"), detachedVertex.value("acl").toString()); |
| } else { |
| assertEquals(0, IteratorUtils.count(detachedVertex.properties())); |
| } |
| } |
| |
| assertEquals(0, IteratorUtils.count(detachedVertex.edges(Direction.BOTH))); |
| |
| called.set(true); |
| return mock(Vertex.class); |
| }); |
| } |
| assertTrue(called.get()); |
| } |
| } |
| } |
