/* * 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.sideEffect; 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.dsl.graph.__; 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.Arrays; import java.util.HashMap; import java.util.Map; import static org.apache.tinkerpop.gremlin.LoadGraphWith.GraphData.MODERN; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; /** * @author Marko A. Rodriguez (http://markorodriguez.com) */ @RunWith(GremlinProcessRunner.class) public abstract class InjectTest extends AbstractGremlinProcessTest { public abstract Traversal<Vertex, String> get_g_VX1X_out_injectXv2X_name(final Object v1Id, final Object v2Id); public abstract Traversal<Vertex, Path> get_g_VX1X_out_name_injectXdanielX_asXaX_mapXlengthX_path(final Object v1Id); public abstract Traversal<Vertex, String> get_g_VX1X_injectXg_VX4XX_out_name(final Object v1Id, final Object v4Id); public abstract Traversal<Integer, Integer> get_g_injectXnull_1_3_nullX(); public abstract Traversal<Integer, Map<String, Object>> get_g_injectX10_20_null_20_10_10X_groupCountXxX_dedup_asXyX_projectXa_bX_by_byXselectXxX_selectXselectXyXXX(); public abstract Traversal<Map<String,Object>, Map<String, Object>> get_g_injectXname_marko_age_nullX_selectXname_ageX(); @Test @LoadGraphWith(MODERN) public void g_VX1X_out_injectXv2X_name() { final Traversal<Vertex, String> traversal = get_g_VX1X_out_injectXv2X_name(convertToVertexId("marko"), convertToVertexId("vadas")); printTraversalForm(traversal); final Map<String, Long> counter = new HashMap<>(); while (traversal.hasNext()) { MapHelper.incr(counter, traversal.next(), 1l); } assertEquals(3, counter.size()); assertEquals(1l, counter.get("josh").longValue()); assertEquals(1l, counter.get("lop").longValue()); assertEquals(2l, counter.get("vadas").longValue()); assertFalse(traversal.hasNext()); } @Test @LoadGraphWith(MODERN) public void g_VX1X_out_name_injectXdanielX_asXaX_mapXlengthX_path() { final Traversal<Vertex, Path> traversal = get_g_VX1X_out_name_injectXdanielX_asXaX_mapXlengthX_path(convertToVertexId("marko")); printTraversalForm(traversal); int counter = 0; while (traversal.hasNext()) { counter++; final Path path = traversal.next(); if (path.get("a").equals("daniel")) { assertEquals(2, path.size()); assertEquals(6, (int) path.get(1)); } else { assertEquals(4, path.size()); assertEquals(path.<String>get("a").length(), (int) path.get(3)); } } assertEquals(4, counter); } @Test public void g_injectXnull_1_3_nullX() { final Traversal<Integer, Integer> traversal = get_g_injectXnull_1_3_nullX(); printTraversalForm(traversal); checkResults(Arrays.asList(null, 1, 3, null), traversal); } @Test public void g_injectX10_20_null_20_10_10X_groupCountXxX_dedup_asXyX_projectXa_bX_by_byXselectXxX_selectXselectXyXXX() { final Traversal<Integer, Map<String, Object>> traversal = get_g_injectX10_20_null_20_10_10X_groupCountXxX_dedup_asXyX_projectXa_bX_by_byXselectXxX_selectXselectXyXXX(); printTraversalForm(traversal); checkResults(makeMapList(2, "a", 10, "b", 3L, "a", 20, "b", 2L, "a", null, "b", 1L), traversal); } @Test public void g_injectXname_marko_age_nullX_selectXname_ageX() { final Traversal<Map<String, Object>, Map<String, Object>> traversal = get_g_injectXname_marko_age_nullX_selectXname_ageX(); printTraversalForm(traversal); checkResults(makeMapList(2, "name", "marko", "age", null), traversal); } @Test @LoadGraphWith(MODERN) public void g_VX1X_injectXg_VX4XX_out_name() { final Traversal<Vertex, String> traversal = get_g_VX1X_injectXg_VX4XX_out_name(convertToVertexId("marko"), convertToVertexId("josh")); printTraversalForm(traversal); checkResults(Arrays.asList("ripple", "lop", "lop", "vadas", "josh"), traversal); } public static class Traversals extends InjectTest { @Override public Traversal<Vertex, String> get_g_VX1X_out_injectXv2X_name(final Object v1Id, final Object v2Id) { return g.V(v1Id).out().inject(g.V(v2Id).next()).values("name"); } @Override public Traversal<Vertex, Path> get_g_VX1X_out_name_injectXdanielX_asXaX_mapXlengthX_path(final Object v1Id) { return g.V(v1Id).out().<String>values("name").inject("daniel").as("a").map(t -> t.get().length()).path(); } @Override public Traversal<Vertex, String> get_g_VX1X_injectXg_VX4XX_out_name(final Object v1Id, final Object v4Id) { return g.V(v1Id).inject(g.V(v4Id).next()).out().values("name"); } @Override public Traversal<Integer, Integer> get_g_injectXnull_1_3_nullX() { return g.inject(null, 1, 3, null); } @Override public Traversal<Integer, Map<String, Object>> get_g_injectX10_20_null_20_10_10X_groupCountXxX_dedup_asXyX_projectXa_bX_by_byXselectXxX_selectXselectXyXXX() { return g.inject(10,20,null,20,10,10).groupCount("x"). dedup().as("y"). project("a","b"). by(). by(__.select("x").select(__.select("y"))); } @Override public Traversal<Map<String, Object>, Map<String, Object>> get_g_injectXname_marko_age_nullX_selectXname_ageX() { final Map<String,Object> m = new HashMap<>(); m.put("name", "marko"); m.put("age", null); return g.inject(m).select("name","age"); } } }