/*
* 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.TraversalStrategies;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
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.junit.Assert.assertEquals;
/**
* @author Marko A. Rodriguez (http://markorodriguez.com)
*/
@RunWith(Parameterized.class)
public class ConnectiveStrategyTest {
@Parameterized.Parameter(value = 0)
public Traversal original;
@Parameterized.Parameter(value = 1)
public Traversal optimized;
void applyConnectiveStrategy(final Traversal traversal) {
final TraversalStrategies strategies = new DefaultTraversalStrategies();
strategies.addStrategies(ConnectiveStrategy.instance());
traversal.asAdmin().setStrategies(strategies);
traversal.asAdmin().applyStrategies();
}
@Test
public void doTest() {
applyConnectiveStrategy(original);
assertEquals(optimized, original);
}
@Parameterized.Parameters(name = "{0}")
public static Iterable<Object[]> generateTestParameters() {
return Arrays.asList(new Traversal[][]{
{__.has("name", "stephen").or().where(__.out("knows").has("name", "stephen")), __.or(__.has("name", "stephen"), __.where(__.out("knows").has("name", "stephen")))},
{__.out("a").out("b").and().out("c").or().out("d"), __.or(__.and(__.out("a").out("b"), __.out("c")), __.out("d"))},
{__.as("1").out("a").out("b").as("2").and().as("3").out("c").as("4").or().as("5").out("d").as("6"), __.or(__.and(__.as("1").out("a").out("b").as("2"), __.as("3").out("c").as("4")), __.as("5").out("d").as("6"))},
{__.as("1").out("a").out("b").and().as("3").out("c").or().as("5").out("d"), __.or(__.and(__.as("1").out("a").out("b"), __.as("3").out("c")), __.as("5").out("d"))},
{__.as("1").out("a").out("b").or().as("3").out("c").and().as("5").out("d"), __.or(__.as("1").out("a").out("b"), __.and(__.as("3").out("c"), __.as("5").out("d")))},
{__.as("a").out().as("b").and().as("c").in().as("d"), __.and(__.as("a").out().as("b"), __.as("c").in().as("d"))},
{__.union(__.as("a").out("l1").as("b").or().as("c").in("l2").as("d"), __.as("e").out("l3").as("f").and().as("g").in("l4").as("h")), __.union(__.or(__.as("a").out("l1").as("b"), __.as("c").in("l2").as("d")), __.and(__.as("e").out("l3").as("f"), __.as("g").in("l4").as("h")))},
{__
.as("a1").out("a").as("a2").or()
.as("b1").out("b").as("b2").and()
.as("c1").out("c").as("c2").or()
.as("d1").out("d").as("d2").or()
.as("e1").out("e").as("e2").and()
.as("f1").out("f").as("f2").and()
.as("g1").out("g").as("g2").or()
.as("h1").out("h").as("h2").or(__
.as("i1").out("i").as("i2").or()
.as("j1").out("j").as("j2").and()
.as("k1").out("k").as("k2")).and()
.as("l1").out("l").as("l2").and()
.as("m1").out("m").as("m2").and()
.as("n1").out("n").as("n2"),
// EXPECT:
__.or(
__.as("a1").out("a").as("a2"),
__.or(
__.and(
__.as("b1").out("b").as("b2"),
__.as("c1").out("c").as("c2")
),
__.or(
__.as("d1").out("d").as("d2"),
__.or(
__.and(
__.as("e1").out("e").as("e2"),
__.and(
__.as("f1").out("f").as("f2"),
__.as("g1").out("g").as("g2")
)
),
__.and(
__.as("h1").out("h").as("h2").or(
__.or(
__.as("i1").out("i").as("i2"),
__.and(
__.as("j1").out("j").as("j2"),
__.as("k1").out("k").as("k2")
)
)
),
__.and(
__.as("l1").out("l").as("l2"),
__.and(
__.as("m1").out("m").as("m2"),
__.as("n1").out("n").as("n2")
)
)
)
)
)
)
)
}
});
}
}