/*
* 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.mahout.math.random;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset;
import org.apache.mahout.common.RandomUtils;
import org.junit.Test;
import java.util.List;
public class IndianBuffetTest {
@Test
public void testBasicText() {
RandomUtils.useTestSeed();
IndianBuffet<String> sampler = IndianBuffet.createTextDocumentSampler(30);
Multiset<String> counts = HashMultiset.create();
int[] lengths = new int[100];
for (int i = 0; i < 30; i++) {
final List<String> doc = sampler.sample();
lengths[doc.size()]++;
for (String w : doc) {
counts.add(w);
}
System.out.printf("%s\n", doc);
}
}
}