| /* |
| * 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.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.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.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.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.function.Function; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests for all IO implementations that are specific to reading and writing of a {@link Edge}. |
| * |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| @RunWith(Parameterized.class) |
| public class IoEdgeTest 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, true, |
| (Function<Graph,GraphReader>) g -> g.io(GraphSONIo.build(GraphSONVersion.V1_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.V1_0)).writer().mapper(g.io(GraphSONIo.build(GraphSONVersion.V2_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, true, |
| (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, true, |
| (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 assertIdDirectly; |
| |
| @Parameterized.Parameter(value = 2) |
| public boolean assertDouble; |
| |
| @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.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteEdge() throws Exception { |
| final Vertex v1 = graph.addVertex(T.label, "person"); |
| final Vertex v2 = graph.addVertex(T.label, "person"); |
| final Edge e = v1.addEdge("friend", v2, "weight", 0.5d, "acl", "rw"); |
| |
| assertEdge(v1, v2, e, 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.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteDetachedEdge() throws Exception { |
| final Vertex v1 = graph.addVertex(T.label, "person"); |
| final Vertex v2 = graph.addVertex(T.label, "person"); |
| final Edge e = DetachedFactory.detach(v1.addEdge("friend", v2, "weight", 0.5d, "acl", "rw"), true); |
| |
| assertEdge(v1, v2, e, 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.EdgePropertyFeatures.class, feature = Graph.Features.EdgePropertyFeatures.FEATURE_DOUBLE_VALUES) |
| public void shouldReadWriteDetachedEdgeAsReference() throws Exception { |
| final Vertex v1 = graph.addVertex(T.label, "person"); |
| final Vertex v2 = graph.addVertex(T.label, "person"); |
| final Edge e = DetachedFactory.detach(v1.addEdge("friend", v2, "weight", 0.5d, "acl", "rw"), false); |
| |
| assertEdge(v1, v2, e, false); |
| } |
| |
| private void assertEdge(final Vertex v1, final Vertex v2, final Edge e, final boolean assertProperties) throws IOException { |
| try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) { |
| final GraphWriter writer = writerMaker.apply(graph); |
| writer.writeEdge(os, e); |
| |
| final AtomicBoolean called = new AtomicBoolean(false); |
| final GraphReader reader = readerMaker.apply(graph); |
| try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) { |
| reader.readEdge(bais, edge -> { |
| final Edge detachedEdge = (Edge) edge; |
| assertEquals(e.id(), assertIdDirectly ? detachedEdge.id() : graph.edges(detachedEdge.id().toString()).next().id()); |
| assertEquals(v1.id(), assertIdDirectly ? detachedEdge.outVertex().id() : graph.vertices(detachedEdge.outVertex().id().toString()).next().id()); |
| assertEquals(v2.id(), assertIdDirectly ? detachedEdge.inVertex().id() : graph.vertices(detachedEdge.inVertex().id().toString()).next().id()); |
| assertEquals(v1.label(), detachedEdge.outVertex().label()); |
| assertEquals(v2.label(), detachedEdge.inVertex().label()); |
| assertEquals(e.label(), detachedEdge.label()); |
| |
| if (assertProperties) { |
| assertEquals(assertDouble ? 0.5d : 0.5f, e.properties("weight").next().value()); |
| assertEquals("rw", e.properties("acl").next().value()); |
| } else { |
| assertEquals(e.keys().size(), IteratorUtils.count(detachedEdge.properties())); |
| } |
| |
| called.set(true); |
| return null; |
| }); |
| } |
| |
| assertTrue(called.get()); |
| } |
| } |
| } |