| /* |
| * 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.verification; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.Traversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategies; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__; |
| import org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.RequirementsStrategy; |
| import org.apache.tinkerpop.gremlin.process.traversal.traverser.TraverserRequirement; |
| import org.apache.tinkerpop.gremlin.process.traversal.util.DefaultTraversalStrategies; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.util.Arrays; |
| |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.out; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.repeat; |
| import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.sum; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| @RunWith(Parameterized.class) |
| public class StandardVerificationStrategyTest { |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static Iterable<Object[]> data() { |
| return Arrays.asList(new Object[][]{ |
| // traversals that should fail verification |
| {"__.repeat(out().fold().unfold()).times(2)", repeat(out().fold().unfold()).times(2), false}, |
| {"__.repeat(sum()).times(2)", repeat(sum()).times(2), false}, |
| {"__.repeat(out().count())", repeat(out().count()), false}, |
| // traversals that should pass verification |
| {"__.V().profile()", |
| __.V().profile(), true}, |
| {"__.V().profile('metrics').cap('metrics')", |
| __.V().profile("metrics").cap("metrics"), true} |
| }); |
| } |
| |
| @Parameterized.Parameter(value = 0) |
| public String name; |
| |
| @Parameterized.Parameter(value = 1) |
| public Traversal traversal; |
| |
| @Parameterized.Parameter(value = 2) |
| public Boolean legalTraversal; |
| |
| @Test |
| public void shouldBeVerified() { |
| final Traversal copy = copyAndConfigureTraversal(traversal); |
| |
| if (legalTraversal) { |
| copy.asAdmin().applyStrategies(); |
| |
| // try to also apply strategies with iterate() so that a NoneStep is added - for consistency sake we want |
| // to be able to run a profile and get no result back with this. |
| final Traversal forIteration = copyAndConfigureTraversal(traversal); |
| forIteration.iterate(); |
| } else { |
| try { |
| copy.asAdmin().applyStrategies(); |
| fail("The strategy should not allow traversal: " + this.traversal); |
| } catch (IllegalStateException ise) { |
| assertTrue(true); |
| } |
| } |
| } |
| |
| private static Traversal copyAndConfigureTraversal(final Traversal traversalToCopy) { |
| final Traversal copy = traversalToCopy.asAdmin().clone(); |
| final TraversalStrategies strategies = new DefaultTraversalStrategies(); |
| strategies.addStrategies(StandardVerificationStrategy.instance()); |
| |
| // just add a junk requirement |
| RequirementsStrategy.addRequirements(strategies, TraverserRequirement.BULK); |
| |
| copy.asAdmin().setStrategies(strategies); |
| return copy; |
| } |
| } |