| /* |
| * 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.strategy.decoration; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.Traversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.Mutating; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.util.event.ConsoleMutationListener; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.util.event.MutationListener; |
| import org.apache.tinkerpop.gremlin.structure.Direction; |
| import org.apache.tinkerpop.gremlin.structure.util.empty.EmptyGraph; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.util.Arrays; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| */ |
| @RunWith(Parameterized.class) |
| public class EventStrategyTest { |
| @Parameterized.Parameters(name = "{0}") |
| public static Iterable<Object[]> data() { |
| return Arrays.asList(new Object[][]{ |
| {"addE(test).from(x)", new DefaultGraphTraversal<>(EmptyGraph.instance()).addE("test").from("x"), 1}, |
| {"addE(test).from(x).property(this,that)", new DefaultGraphTraversal<>(EmptyGraph.instance()).addE("test").from("x").property("this", "that"), 1}, |
| {"addE(test).to(x)", new DefaultGraphTraversal<>(EmptyGraph.instance()).addE("test").to("x"), 1}, |
| {"addE(test).to(x).property(this,that)", new DefaultGraphTraversal<>(EmptyGraph.instance()).addE("test").to("x").property("this", "that"), 1}, |
| {"addV()", new DefaultGraphTraversal<>(EmptyGraph.instance()).addV(), 1}, |
| {"addV().property(k,v)", new DefaultGraphTraversal<>(EmptyGraph.instance()).addV().property("test", "that"), 1}, |
| {"properties().drop()", new DefaultGraphTraversal<>(EmptyGraph.instance()).properties().drop(), 1}, |
| {"properties(k).drop()", new DefaultGraphTraversal<>(EmptyGraph.instance()).properties("test").drop(), 1}, |
| {"out().drop()", new DefaultGraphTraversal<>(EmptyGraph.instance()).out().drop(), 1}, |
| {"out(args).drop()", new DefaultGraphTraversal<>(EmptyGraph.instance()).out("test").drop(), 1}, |
| {"outE().drop()", new DefaultGraphTraversal<>(EmptyGraph.instance()).outE().drop(), 1}, |
| {"outE().properties().drop()", new DefaultGraphTraversal<>(EmptyGraph.instance()).outE().properties().drop(), 1}, |
| {"outE(args).drop()", new DefaultGraphTraversal<>(EmptyGraph.instance()).outE("test").drop(), 1}}); |
| } |
| |
| @Parameterized.Parameter(value = 0) |
| public String name; |
| |
| @Parameterized.Parameter(value = 1) |
| public Traversal traversal; |
| |
| @Parameterized.Parameter(value = 2) |
| public int expectedMutatingStepsFound; |
| |
| @Test |
| public void shouldEventOnMutatingSteps() { |
| final MutationListener listener1 = new ConsoleMutationListener(EmptyGraph.instance()); |
| final EventStrategy eventStrategy = EventStrategy.build() |
| .addListener(listener1).create(); |
| |
| eventStrategy.apply(traversal.asAdmin()); |
| |
| final AtomicInteger mutatingStepsFound = new AtomicInteger(0); |
| traversal.asAdmin().getSteps().stream() |
| .filter(s -> s instanceof Mutating) |
| .forEach(s -> { |
| final Mutating mutating = (Mutating) s; |
| assertEquals(1, mutating.getMutatingCallbackRegistry().getCallbacks().size()); |
| mutatingStepsFound.incrementAndGet(); |
| }); |
| |
| assertEquals(expectedMutatingStepsFound, mutatingStepsFound.get()); |
| } |
| } |