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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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package org.apache.tinkerpop.gremlin.process.computer.bulkdumping;
import org.apache.tinkerpop.gremlin.LoadGraphWith;
import org.apache.tinkerpop.gremlin.process.AbstractGremlinProcessTest;
import org.apache.tinkerpop.gremlin.process.computer.ComputerResult;
import org.apache.tinkerpop.gremlin.process.computer.GraphComputer;
import org.apache.tinkerpop.gremlin.structure.Direction;
import org.apache.tinkerpop.gremlin.util.iterator.IteratorUtils;
import org.junit.Test;
import static org.apache.tinkerpop.gremlin.LoadGraphWith.GraphData.MODERN;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Daniel Kuppitz (http://gremlin.guru)
*/
public class BulkDumperVertexProgramTest extends AbstractGremlinProcessTest {
@Test
@LoadGraphWith(MODERN)
public void shouldDumpWholeGraph() throws Exception {
if (graphProvider.getGraphComputer(graph).features().supportsResultGraphPersistCombination(GraphComputer.ResultGraph.NEW, GraphComputer.Persist.EDGES)) {
final ComputerResult result = graphProvider.getGraphComputer(graph).program(BulkDumperVertexProgram.build().create(graph)).submit().get();
result.graph().traversal().V().forEachRemaining(v -> {
assertEquals(2, v.keys().size());
assertTrue(v.keys().contains("name"));
assertTrue(v.keys().contains("age") || v.keys().contains("lang"));
assertEquals(1, IteratorUtils.count(v.values("name")));
assertEquals(1, IteratorUtils.count(v.values("age", "lang")));
final String name = v.value("name");
if (name.equals("marko")) {
assertEquals("person", v.label());
assertEquals(Integer.valueOf(29), v.value("age"));
assertEquals(3, IteratorUtils.count(v.edges(Direction.OUT)));
assertEquals(2, IteratorUtils.count(v.edges(Direction.OUT, "knows")));
assertEquals(1, IteratorUtils.count(v.edges(Direction.OUT, "created")));
assertEquals(0, IteratorUtils.count(v.edges(Direction.IN)));
} else if (name.equals("vadas")) {
assertEquals("person", v.label());
assertEquals(Integer.valueOf(27), v.value("age"));
assertEquals(0, IteratorUtils.count(v.edges(Direction.OUT)));
assertEquals(1, IteratorUtils.count(v.edges(Direction.IN)));
assertEquals(1, IteratorUtils.count(v.edges(Direction.IN, "knows")));
} else if (name.equals("lop")) {
assertEquals("software", v.label());
assertEquals("java", v.value("lang"));
assertEquals(0, IteratorUtils.count(v.edges(Direction.OUT)));
assertEquals(3, IteratorUtils.count(v.edges(Direction.IN)));
assertEquals(3, IteratorUtils.count(v.edges(Direction.IN, "created")));
} else if (name.equals("josh")) {
assertEquals("person", v.label());
assertEquals(Integer.valueOf(32), v.value("age"));
assertEquals(2, IteratorUtils.count(v.edges(Direction.OUT)));
assertEquals(2, IteratorUtils.count(v.edges(Direction.OUT, "created")));
assertEquals(1, IteratorUtils.count(v.edges(Direction.IN)));
assertEquals(1, IteratorUtils.count(v.edges(Direction.IN, "knows")));
} else if (name.equals("ripple")) {
assertEquals("software", v.label());
assertEquals("java", v.value("lang"));
assertEquals(0, IteratorUtils.count(v.edges(Direction.OUT)));
assertEquals(1, IteratorUtils.count(v.edges(Direction.IN)));
assertEquals(1, IteratorUtils.count(v.edges(Direction.IN, "created")));
} else if (name.equals("peter")) {
assertEquals("person", v.label());
assertEquals(Integer.valueOf(35), v.value("age"));
assertEquals(1, IteratorUtils.count(v.edges(Direction.OUT)));
assertEquals(1, IteratorUtils.count(v.edges(Direction.OUT, "created")));
assertEquals(0, IteratorUtils.count(v.edges(Direction.IN)));
} else
throw new IllegalStateException("The following vertex should not exist in the graph: " + name);
});
assertEquals(3.5, (Double) result.graph().traversal().E().values("weight").sum().next(), 0.01);
assertEquals(1.5, (Double) result.graph().traversal().E().hasLabel("knows").values("weight").sum().next(), 0.01);
assertEquals(2.0, (Double) result.graph().traversal().E().hasLabel("created").values("weight").sum().next(), 0.01);
assertEquals(result.memory().getIteration(), 0);
assertEquals(result.memory().asMap().size(), 0);
}
}
}