| /* |
| * 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.branch; |
| |
| 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.P; |
| import org.apache.tinkerpop.gremlin.process.traversal.Traversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.TraversalOptionParent; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.util.MapHelper; |
| import org.apache.tinkerpop.gremlin.structure.Vertex; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.apache.tinkerpop.gremlin.LoadGraphWith.GraphData.MODERN; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.hasLabel; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.identity; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.in; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.label; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.out; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.outE; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.valueMap; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.values; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.Is.is; |
| 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 Joshua Shinavier (http://fortytwo.net) |
| */ |
| @RunWith(GremlinProcessRunner.class) |
| public abstract class ChooseTest extends AbstractGremlinProcessTest { |
| |
| public abstract Traversal<Vertex, Object> get_g_V_chooseXout_countX_optionX2L_nameX_optionX3L_ageX(); |
| |
| public abstract Traversal<Vertex, String> get_g_V_chooseXlabel_eqXpersonX__outXknowsX__inXcreatedXX_name(); |
| |
| public abstract Traversal<Vertex, String> get_g_V_chooseXhasLabelXpersonX_and_outXcreatedX__outXknowsX__identityX_name(); |
| |
| public abstract Traversal<Vertex, String> get_g_V_chooseXlabelX_optionXblah__outXknowsXX_optionXbleep__outXcreatedXX_optionXnone__identityX_name(); |
| |
| public abstract Traversal<Vertex, String> get_g_V_chooseXoutXknowsX_count_isXgtX0XX__outXknowsXX_name(); |
| |
| public abstract Traversal<Vertex, Map<String, String>> get_g_V_hasLabelXpersonX_asXp1X_chooseXoutEXknowsX__outXknowsXX_asXp2X_selectXp1_p2X_byXnameX(); |
| |
| public abstract Traversal<Vertex, Map<String, Long>> get_g_V_hasLabelXpersonX_chooseXageX__optionX27L__constantXyoungXX_optionXnone__constantXoldXX_groupCount(); |
| |
| public abstract Traversal<Integer, List<Integer>> get_g_injectX1X_chooseXisX1X__constantX10Xfold__foldX(); |
| |
| public abstract Traversal<Integer, List<Integer>> get_g_injectX2X_chooseXisX1X__constantX10Xfold__foldX(); |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_chooseXout_countX_optionX2L_nameX_optionX3L_ageX() { |
| final Traversal<Vertex, Object> traversal = get_g_V_chooseXout_countX_optionX2L_nameX_optionX3L_ageX(); |
| printTraversalForm(traversal); |
| final Map<String, Long> counts = new HashMap<>(); |
| int counter = 0; |
| while (traversal.hasNext()) { |
| MapHelper.incr(counts, traversal.next().toString(), 1L); |
| counter++; |
| } |
| assertFalse(traversal.hasNext()); |
| assertEquals(2, counter); |
| assertEquals(2, counts.size()); |
| assertEquals(Long.valueOf(1), counts.get("29")); |
| assertEquals(Long.valueOf(1), counts.get("josh")); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_chooseXlabel_eqXpersonX__outXknowsX__inXcreatedXX_name() { |
| final Traversal<Vertex, String> traversal = get_g_V_chooseXlabel_eqXpersonX__outXknowsX__inXcreatedXX_name(); |
| printTraversalForm(traversal); |
| checkResults(Arrays.asList("josh", "vadas", "josh", "josh", "marko", "peter"), traversal); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_chooseXhasLabelXpersonX_and_outXcreatedX__outXknowsX__identityX_name() { |
| final Traversal<Vertex, String> traversal = get_g_V_chooseXhasLabelXpersonX_and_outXcreatedX__outXknowsX__identityX_name(); |
| printTraversalForm(traversal); |
| checkResults(Arrays.asList("lop", "ripple", "josh", "vadas", "vadas"), traversal); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_chooseXlabelX_optionXblah__outXknowsXX_optionXbleep__outXcreatedXX_optionXnone__identityX_name() { |
| final Traversal<Vertex, String> traversal = get_g_V_chooseXlabelX_optionXblah__outXknowsXX_optionXbleep__outXcreatedXX_optionXnone__identityX_name(); |
| printTraversalForm(traversal); |
| checkResults(Arrays.asList("marko", "vadas", "peter", "josh", "lop", "ripple"), traversal); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_chooseXoutXknowsX_count_isXgtX0XX__outXknowsXX_name() { |
| final Traversal<Vertex, String> traversal = get_g_V_chooseXoutXknowsX_count_isXgtX0XX__outXknowsXX_name(); |
| printTraversalForm(traversal); |
| checkResults(Arrays.asList("vadas", "josh", "vadas", "josh", "peter", "lop", "ripple"), traversal); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_hasLabelXpersonX_asXp1X_chooseXoutEXknowsX__outXknowsXX_asXp2X_selectXp1_p2X_byXnameX() { |
| final Traversal<Vertex, Map<String, String>> traversal = get_g_V_hasLabelXpersonX_asXp1X_chooseXoutEXknowsX__outXknowsXX_asXp2X_selectXp1_p2X_byXnameX(); |
| printTraversalForm(traversal); |
| checkResults(makeMapList(2, |
| "p1", "marko", "p2", "vadas", |
| "p1", "marko", "p2", "josh", |
| "p1", "vadas", "p2", "vadas", |
| "p1", "josh", "p2", "josh", |
| "p1", "peter", "p2", "peter" |
| ), traversal); |
| } |
| |
| @Test |
| @LoadGraphWith(MODERN) |
| public void g_V_hasLabelXpersonX_chooseXageX__optionX27L__constantXyoungXX_optionXnone__constantXoldXX_groupCount() { |
| final Traversal<Vertex, Map<String, Long>> traversal = get_g_V_hasLabelXpersonX_chooseXageX__optionX27L__constantXyoungXX_optionXnone__constantXoldXX_groupCount(); |
| printTraversalForm(traversal); |
| final Map<String, Long> expected = new HashMap<>(2); |
| expected.put("young", 1L); |
| expected.put("old", 3L); |
| assertTrue(traversal.hasNext()); |
| checkMap(expected, traversal.next()); |
| assertFalse(traversal.hasNext()); |
| } |
| |
| @Test |
| public void g_injectX1X_chooseXisX1X__constantX10Xfold__foldX() { |
| final Traversal<Integer, List<Integer>> traversal = get_g_injectX1X_chooseXisX1X__constantX10Xfold__foldX(); |
| printTraversalForm(traversal); |
| final List expected = new ArrayList() {{ add(10);}}; |
| assertEquals(expected, traversal.next()); |
| assertThat(traversal.hasNext(), is(false)); |
| } |
| |
| @Test |
| public void g_injectX2X_chooseXisX1X__constantX10Xfold__foldX() { |
| final Traversal<Integer, List<Integer>> traversal = get_g_injectX2X_chooseXisX1X__constantX10Xfold__foldX(); |
| printTraversalForm(traversal); |
| final List expected = new ArrayList() {{ add(2);}}; |
| assertEquals(expected, traversal.next()); |
| assertThat(traversal.hasNext(), is(false)); |
| } |
| |
| public static class Traversals extends ChooseTest { |
| |
| @Override |
| public Traversal<Vertex, Object> get_g_V_chooseXout_countX_optionX2L_nameX_optionX3L_ageX() { |
| return g.V().choose(out().count()) |
| .option(2L, values("name")) |
| .option(3L, values("age")); |
| } |
| |
| @Override |
| public Traversal<Vertex, String> get_g_V_chooseXlabel_eqXpersonX__outXknowsX__inXcreatedXX_name() { |
| return g.V().choose(v -> v.label().equals("person"), out("knows"), in("created")).values("name"); |
| } |
| |
| @Override |
| public Traversal<Vertex, String> get_g_V_chooseXhasLabelXpersonX_and_outXcreatedX__outXknowsX__identityX_name() { |
| return g.V().choose(hasLabel("person").and().out("created"), out("knows"), identity()).values("name"); |
| } |
| |
| @Override |
| public Traversal<Vertex, String> get_g_V_chooseXlabelX_optionXblah__outXknowsXX_optionXbleep__outXcreatedXX_optionXnone__identityX_name() { |
| return g.V().choose(label()) |
| .option("blah", out("knows")) |
| .option("bleep", out("created")) |
| .option(TraversalOptionParent.Pick.none, identity()).values("name"); |
| } |
| |
| @Override |
| public Traversal<Vertex, String> get_g_V_chooseXoutXknowsX_count_isXgtX0XX__outXknowsXX_name() { |
| return g.V().choose(out("knows").count().is(P.gt(0)), out("knows")).values("name"); |
| } |
| |
| @Override |
| public Traversal<Vertex, Map<String, String>> get_g_V_hasLabelXpersonX_asXp1X_chooseXoutEXknowsX__outXknowsXX_asXp2X_selectXp1_p2X_byXnameX() { |
| return g.V().hasLabel("person").as("p1").choose(outE("knows"), out("knows")).as("p2").<String>select("p1", "p2").by("name"); |
| } |
| |
| @Override |
| public Traversal<Vertex, Map<String, Long>> get_g_V_hasLabelXpersonX_chooseXageX__optionX27L__constantXyoungXX_optionXnone__constantXoldXX_groupCount() { |
| return g.V().hasLabel("person").choose(values("age")) |
| .option(27L, __.constant("young")) |
| .option(TraversalOptionParent.Pick.none, __.constant("old")) |
| .groupCount(); |
| } |
| |
| @Override |
| public Traversal<Integer, List<Integer>> get_g_injectX1X_chooseXisX1X__constantX10Xfold__foldX() { |
| return g.inject(1).choose(__.is(1), __.constant(10).fold(), __.fold()); |
| } |
| |
| @Override |
| public Traversal<Integer, List<Integer>> get_g_injectX2X_chooseXisX1X__constantX10Xfold__foldX() { |
| return g.inject(2).choose(__.is(1), __.constant(10).fold(), __.fold()); |
| } |
| } |
| } |