| /* |
| * 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.process.traversal.step.map; |
| |
| import org.apache.tinkerpop.gremlin.LoadGraphWith; |
| import org.apache.tinkerpop.gremlin.process.AbstractGremlinProcessTest; |
| import org.apache.tinkerpop.gremlin.process.GremlinProcessRunner; |
| import org.apache.tinkerpop.gremlin.process.traversal.Path; |
| import org.apache.tinkerpop.gremlin.process.traversal.Traversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.util.MutablePath; |
| import org.apache.tinkerpop.gremlin.structure.Edge; |
| import org.apache.tinkerpop.gremlin.structure.Vertex; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.apache.tinkerpop.gremlin.LoadGraphWith.GraphData.MODERN; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.out; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| @RunWith(GremlinProcessRunner.class) |
| public abstract class PathTest extends AbstractGremlinProcessTest { |
| |
| public abstract Traversal<Vertex, Path> get_g_VX1X_name_path(final Object v1Id); |
| |
| public abstract Traversal<Vertex, Path> get_g_VX1X_out_path_byXageX_byXnameX(final Object v1Id); |
| |
| public abstract Traversal<Vertex, Path> get_g_V_repeatXoutX_timesX2X_path_by_byXnameX_byXlangX(); |
| |
| public abstract Traversal<Vertex, Path> get_g_V_out_out_path_byXnameX_byXageX(); |
| |
| public abstract Traversal<Vertex, Path> get_g_V_asXaX_hasXname_markoX_asXbX_hasXage_29X_asXcX_path(); |
| |
| public abstract Traversal<Vertex, Path> get_g_VX1X_outEXcreatedX_inV_inE_outV_path(final Object v1Id); |
| |
| public abstract Traversal<Vertex, Path> get_g_V_asXaX_out_asXbX_out_asXcX_path_fromXbX_toXcX_byXnameX(); |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_VX1X_name_path() { |
| final Traversal<Vertex, Path> traversal = get_g_VX1X_name_path(convertToVertexId("marko")); |
| printTraversalForm(traversal); |
| final Path path = traversal.next(); |
| assertFalse(traversal.hasNext()); |
| assertEquals(2, path.size()); |
| assertEquals(convertToVertexId("marko"), ((Vertex) path.get(0)).<String>id()); |
| assertEquals("marko", path.<String>get(1)); |
| assertFalse(traversal.hasNext()); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_VX1X_out_path_byXageX_byXnameX() { |
| final Traversal<Vertex, Path> traversal = get_g_VX1X_out_path_byXageX_byXnameX(convertToVertexId("marko")); |
| printTraversalForm(traversal); |
| int counter = 0; |
| final Set<String> names = new HashSet<>(); |
| while (traversal.hasNext()) { |
| counter++; |
| final Path path = traversal.next(); |
| assertEquals(Integer.valueOf(29), path.<Integer>get(0)); |
| assertTrue(path.get(1).equals("josh") || path.get(1).equals("vadas") || path.get(1).equals("lop")); |
| names.add(path.get(1)); |
| } |
| assertEquals(3, counter); |
| assertEquals(3, names.size()); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_repeatXoutX_timesX2X_path_byXitX_byXnameX_byXlangX() { |
| final Traversal<Vertex, Path> traversal = get_g_V_repeatXoutX_timesX2X_path_by_byXnameX_byXlangX(); |
| printTraversalForm(traversal); |
| int counter = 0; |
| while (traversal.hasNext()) { |
| counter++; |
| final Path path = traversal.next(); |
| assertEquals(3, path.size()); |
| assertEquals("marko", ((Vertex) path.get(0)).<String>value("name")); |
| assertEquals("josh", path.<String>get(1)); |
| assertEquals("java", path.<String>get(2)); |
| } |
| assertEquals(2, counter); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_out_out_path_byXnameX_byXageX() { |
| final Traversal<Vertex, Path> traversal = get_g_V_out_out_path_byXnameX_byXageX(); |
| printTraversalForm(traversal); |
| int counter = 0; |
| while (traversal.hasNext()) { |
| counter++; |
| final Path path = traversal.next(); |
| assertEquals(3, path.size()); |
| assertEquals("marko", path.<String>get(0)); |
| assertEquals(Integer.valueOf(32), path.<Integer>get(1)); |
| assertTrue(path.get(2).equals("lop") || path.get(2).equals("ripple")); |
| } |
| assertEquals(2, counter); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_asXaX_hasXname_markoX_asXbX_hasXage_29X_asXcX_path() { |
| final Traversal<Vertex, Path> traversal = get_g_V_asXaX_hasXname_markoX_asXbX_hasXage_29X_asXcX_path(); |
| printTraversalForm(traversal); |
| final Path path = traversal.next(); |
| assertFalse(traversal.hasNext()); |
| assertEquals(1, path.size()); |
| assertTrue(path.hasLabel("a")); |
| assertTrue(path.hasLabel("b")); |
| assertTrue(path.hasLabel("c")); |
| assertEquals(1, path.labels().size()); |
| assertEquals(3, path.labels().get(0).size()); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_VX1X_outEXcreatedX_inV_inE_outV_path() { |
| final Traversal<Vertex, Path> traversal = get_g_VX1X_outEXcreatedX_inV_inE_outV_path(convertToVertexId("marko")); |
| printTraversalForm(traversal); |
| final List<Path> paths = traversal.toList(); |
| assertEquals(3, paths.size()); |
| for (final Path path : paths) { |
| assertEquals(5, path.size()); |
| assertEquals(convertToVertexId("marko"), ((Vertex) path.get(0)).id()); |
| assertEquals(convertToEdgeId("marko", "created", "lop"), ((Edge) path.get(1)).id()); |
| assertEquals(convertToVertexId("lop"), ((Vertex) path.get(2)).id()); |
| assertEquals("created", ((Edge) path.get(3)).label()); |
| assertTrue(convertToVertexId("josh").equals(((Vertex) path.get(4)).id()) || |
| convertToVertexId("peter").equals(((Vertex) path.get(4)).id()) || |
| convertToVertexId("marko").equals(((Vertex) path.get(4)).id())); |
| } |
| assertFalse(traversal.hasNext()); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_asXaX_out_asXbX_out_asXcX_path_fromXbX_toXcX_byXnameX() { |
| final Traversal<Vertex, Path> traveral = get_g_V_asXaX_out_asXbX_out_asXcX_path_fromXbX_toXcX_byXnameX(); |
| printTraversalForm(traveral); |
| checkResults(Arrays.asList( |
| MutablePath.make().extend("josh", Collections.singleton("b")).extend("lop", Collections.singleton("c")), |
| MutablePath.make().extend("josh", Collections.singleton("b")).extend("ripple", Collections.singleton("c"))), traveral); |
| } |
| |
| public static class Traversals extends PathTest { |
| @Override |
| public Traversal<Vertex, Path> get_g_VX1X_name_path(final Object v1Id) { |
| return g.V(v1Id).values("name").path(); |
| } |
| |
| @Override |
| public Traversal<Vertex, Path> get_g_VX1X_out_path_byXageX_byXnameX(final Object v1Id) { |
| return g.V(v1Id).out().path().by("age").by("name"); |
| } |
| |
| @Override |
| public Traversal<Vertex, Path> get_g_V_repeatXoutX_timesX2X_path_by_byXnameX_byXlangX() { |
| return g.V().repeat(out()).times(2).path().by().by("name").by("lang"); |
| } |
| |
| @Override |
| public Traversal<Vertex, Path> get_g_V_out_out_path_byXnameX_byXageX() { |
| return g.V().out().out().path().by("name").by("age"); |
| } |
| |
| @Override |
| public Traversal<Vertex, Path> get_g_V_asXaX_hasXname_markoX_asXbX_hasXage_29X_asXcX_path() { |
| return g.V().as("a").has("name", "marko").as("b").has("age", 29).as("c").path(); |
| } |
| |
| @Override |
| public Traversal<Vertex, Path> get_g_VX1X_outEXcreatedX_inV_inE_outV_path(final Object v1Id) { |
| return g.V(v1Id).outE("created").inV().inE().outV().path(); |
| } |
| |
| @Override |
| public Traversal<Vertex, Path> get_g_V_asXaX_out_asXbX_out_asXcX_path_fromXbX_toXcX_byXnameX() { |
| return g.V().as("a").out().as("b").out().as("c").path().from("b").to("c").by("name"); |
| } |
| } |
| } |