/*
* 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.step.util.RequirementsStep;
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 java.util.Collections;
import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.__;
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)
*/
@RunWith(Parameterized.class)
public class StandardVerificationStrategyTest {
private static final RequirementsStep emptyRequirementStep = new RequirementsStep<>(null, Collections.EMPTY_SET);
@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().requirementsStep()",
__.V().profile().asAdmin().addStep(emptyRequirementStep), true},
{"__.V().profile('metrics').cap('metrics').requirementsStep()",
__.V().profile("metrics").asAdmin().addStep(emptyRequirementStep), 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 TraversalStrategies strategies = new DefaultTraversalStrategies();
strategies.addStrategies(StandardVerificationStrategy.instance());
traversal.asAdmin().setStrategies(strategies);
if (legalTraversal) {
traversal.asAdmin().applyStrategies();
} else {
try {
traversal.asAdmin().applyStrategies();
fail("The strategy should not allow traversal: " + this.traversal);
} catch (IllegalStateException ise) {
assertTrue(true);
}
}
}
}