/*
* 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.jena.hadoop.rdf.mapreduce.characteristics;
import java.io.IOException;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mrunit.mapreduce.MapReduceDriver;
import org.apache.jena.graph.NodeFactory ;
import org.apache.jena.hadoop.rdf.mapreduce.AbstractMapReduceTests;
import org.apache.jena.hadoop.rdf.mapreduce.characteristics.AbstractCharacteristicSetGeneratingReducer;
import org.apache.jena.hadoop.rdf.types.AbstractNodeTupleWritable;
import org.apache.jena.hadoop.rdf.types.CharacteristicSetWritable;
import org.apache.jena.hadoop.rdf.types.CharacteristicWritable;
import org.apache.jena.hadoop.rdf.types.NodeWritable;
import org.junit.Test;
/**
* Abstract tests for the {@link AbstractCharacteristicSetGeneratingReducer}
*
*
*
* @param <TValue>
* @param <T>
*/
public abstract class AbstractCharacteristicSetGeneratingReducerTests<TValue, T extends AbstractNodeTupleWritable<TValue>>
extends AbstractMapReduceTests<LongWritable, T, NodeWritable, T, CharacteristicSetWritable, NullWritable> {
/**
* Create a tuple
*
* @param i
* Key to use in creating the subject
* @param predicateUri
* Predicate URI string
* @return Tuple
*/
protected abstract T createTuple(int i, String predicateUri);
/**
* Creates a set consisting of the given predicates
*
* @param predicates
* Predicates
* @return Set
*/
protected CharacteristicSetWritable createSet(MapReduceDriver<LongWritable, T, NodeWritable, T, CharacteristicSetWritable, NullWritable> driver, int occurrences, String... predicates) {
CharacteristicSetWritable set = new CharacteristicSetWritable();
for (String predicateUri : predicates) {
set.add(new CharacteristicWritable(NodeFactory.createURI(predicateUri)));
}
for (int i = 1; i <= occurrences; i++) {
driver.addOutput(set, NullWritable.get());
}
return set;
}
/**
* Test basic characteristic set computation
*
* @throws IOException
*/
@Test
public void characteristic_set_generating_reducer_01() throws IOException {
MapReduceDriver<LongWritable, T, NodeWritable, T, CharacteristicSetWritable, NullWritable> driver = this
.getMapReduceDriver();
T tuple = this.createTuple(1, "http://predicate");
driver.addInput(new LongWritable(1), tuple);
this.createSet(driver, 1, "http://predicate");
driver.runTest(false);
}
/**
* Test basic characteristic set computation
*
* @throws IOException
*/
@Test
public void characteristic_set_generating_reducer_02() throws IOException {
MapReduceDriver<LongWritable, T, NodeWritable, T, CharacteristicSetWritable, NullWritable> driver = this
.getMapReduceDriver();
T tuple = this.createTuple(1, "http://predicate");
driver.addInput(new LongWritable(1), tuple);
driver.addInput(new LongWritable(1), tuple);
this.createSet(driver, 1, "http://predicate");
driver.runTest(false);
}
/**
* Test basic characteristic set computation
*
* @throws IOException
*/
@Test
public void characteristic_set_generating_reducer_03() throws IOException {
MapReduceDriver<LongWritable, T, NodeWritable, T, CharacteristicSetWritable, NullWritable> driver = this
.getMapReduceDriver();
T tuple = this.createTuple(1, "http://predicate");
driver.addInput(new LongWritable(1), tuple);
tuple = this.createTuple(2, "http://predicate");
driver.addInput(new LongWritable(2), tuple);
this.createSet(driver, 2, "http://predicate");
driver.runTest(false);
}
/**
* Test basic characteristic set computation
*
* @throws IOException
*/
@Test
public void characteristic_set_generating_reducer_04() throws IOException {
MapReduceDriver<LongWritable, T, NodeWritable, T, CharacteristicSetWritable, NullWritable> driver = this
.getMapReduceDriver();
T tuple = this.createTuple(1, "http://predicate");
driver.addInput(new LongWritable(1), tuple);
tuple = this.createTuple(1, "http://other");
driver.addInput(new LongWritable(1), tuple);
// Single entry sets
this.createSet(driver, 1, "http://predicate");
this.createSet(driver, 1, "http://other");
// Two entry sets
this.createSet(driver, 1, "http://predicate", "http://other");
driver.runTest(false);
}
/**
* Test basic characteristic set computation
*
* @throws IOException
*/
@Test
public void characteristic_set_generating_reducer_05() throws IOException {
MapReduceDriver<LongWritable, T, NodeWritable, T, CharacteristicSetWritable, NullWritable> driver = this
.getMapReduceDriver();
T tuple = this.createTuple(1, "http://predicate");
driver.addInput(new LongWritable(1), tuple);
tuple = this.createTuple(1, "http://other");
driver.addInput(new LongWritable(2), tuple);
tuple = this.createTuple(1, "http://third");
driver.addInput(new LongWritable(3), tuple);
// Single entry sets
this.createSet(driver, 1, "http://predicate");
this.createSet(driver, 1, "http://other");
this.createSet(driver, 1, "http://third");
// Two entry sets
this.createSet(driver, 1, "http://predicate", "http://other");
this.createSet(driver, 1, "http://predicate", "http://third");
this.createSet(driver, 1, "http://other", "http://third");
// Three entry sets
this.createSet(driver, 1, "http://predicate", "http://other", "http://third");
driver.runTest(false);
}
}