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Add tests and resolve ClassCastException running SparkGraphComputer o…
…n HBase Signed-off-by: sjudeng <[email protected]>
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...ent/janusgraph-hadoop-core/src/test/java/org/janusgraph/hadoop/AbstractInputFormatIT.java
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| // Copyright 2017 JanusGraph Authors | ||
| // | ||
| // Licensed 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. | ||
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| package org.janusgraph.hadoop; | ||
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| import org.janusgraph.core.Cardinality; | ||
| import org.janusgraph.core.JanusGraphVertex; | ||
| import org.janusgraph.diskstorage.configuration.WriteConfiguration; | ||
| import org.janusgraph.example.GraphOfTheGodsFactory; | ||
| import org.janusgraph.graphdb.JanusGraphBaseTest; | ||
| import org.apache.commons.configuration.ConfigurationException; | ||
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; | ||
| import org.apache.tinkerpop.gremlin.spark.process.computer.SparkGraphComputer; | ||
| import org.apache.tinkerpop.gremlin.structure.Direction; | ||
| import org.apache.tinkerpop.gremlin.structure.Edge; | ||
| import org.apache.tinkerpop.gremlin.structure.Graph; | ||
| import org.apache.tinkerpop.gremlin.structure.Vertex; | ||
| import org.apache.tinkerpop.gremlin.structure.util.GraphFactory; | ||
| import org.junit.Test; | ||
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| import java.io.IOException; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| import com.google.common.collect.Iterators; | ||
| import com.google.common.collect.Lists; | ||
| import com.google.common.collect.Sets; | ||
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| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.assertTrue; | ||
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| public abstract class AbstractInputFormatIT extends JanusGraphBaseTest { | ||
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| @Test | ||
| public void testReadGraphOfTheGods() throws Exception { | ||
| GraphOfTheGodsFactory.load(graph, null, true); | ||
| assertEquals(12L, (long) graph.traversal().V().count().next()); | ||
| Graph g = getGraph(); | ||
| GraphTraversalSource t = g.traversal(GraphTraversalSource.computer(SparkGraphComputer.class)); | ||
| assertEquals(12L, (long) t.V().count().next()); | ||
| } | ||
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| @Test | ||
| public void testReadWideVertexWithManyProperties() throws Exception { | ||
| int numProps = 1 << 16; | ||
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| long numV = 1; | ||
| mgmt.makePropertyKey("p").cardinality(Cardinality.LIST).dataType(Integer.class).make(); | ||
| mgmt.commit(); | ||
| finishSchema(); | ||
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| for (int j = 0; j < numV; j++) { | ||
| Vertex v = graph.addVertex(); | ||
| for (int i = 0; i < numProps; i++) { | ||
| v.property("p", i); | ||
| } | ||
| } | ||
| graph.tx().commit(); | ||
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| assertEquals(numV, (long) graph.traversal().V().count().next()); | ||
| Map<String, Object> propertiesOnVertex = graph.traversal().V().valueMap().next(); | ||
| List<?> valuesOnP = (List)propertiesOnVertex.values().iterator().next(); | ||
| assertEquals(numProps, valuesOnP.size()); | ||
| Graph g = getGraph(); | ||
| GraphTraversalSource t = g.traversal(GraphTraversalSource.computer(SparkGraphComputer.class)); | ||
| assertEquals(numV, (long) t.V().count().next()); | ||
| propertiesOnVertex = t.V().valueMap().next(); | ||
| valuesOnP = (List)propertiesOnVertex.values().iterator().next(); | ||
| assertEquals(numProps, valuesOnP.size()); | ||
| } | ||
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| @Test | ||
| public void testReadSelfEdge() throws Exception { | ||
| GraphOfTheGodsFactory.load(graph, null, true); | ||
| assertEquals(12L, (long) graph.traversal().V().count().next()); | ||
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| // Add a self-loop on sky with edge label "lives"; it's nonsense, but at least it needs no schema changes | ||
| JanusGraphVertex sky = (JanusGraphVertex)graph.query().has("name", "sky").vertices().iterator().next(); | ||
| assertNotNull(sky); | ||
| assertEquals("sky", sky.value("name")); | ||
| assertEquals(1L, sky.query().direction(Direction.IN).edgeCount()); | ||
| assertEquals(0L, sky.query().direction(Direction.OUT).edgeCount()); | ||
| assertEquals(1L, sky.query().direction(Direction.BOTH).edgeCount()); | ||
| sky.addEdge("lives", sky, "reason", "testReadSelfEdge"); | ||
| assertEquals(2L, sky.query().direction(Direction.IN).edgeCount()); | ||
| assertEquals(1L, sky.query().direction(Direction.OUT).edgeCount()); | ||
| assertEquals(3L, sky.query().direction(Direction.BOTH).edgeCount()); | ||
| graph.tx().commit(); | ||
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| // Read the new edge using the inputformat | ||
| Graph g = getGraph(); | ||
| GraphTraversalSource t = g.traversal(GraphTraversalSource.computer(SparkGraphComputer.class)); | ||
| Iterator<Object> edgeIdIter = t.V().has("name", "sky").bothE().id(); | ||
| assertNotNull(edgeIdIter); | ||
| assertTrue(edgeIdIter.hasNext()); | ||
| Set<Object> edges = Sets.newHashSet(edgeIdIter); | ||
| assertEquals(2, edges.size()); | ||
| } | ||
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| abstract protected Graph getGraph() throws IOException, ConfigurationException; | ||
| } |
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