package org.apache.lucene.facet.index.categorypolicy;
import org.apache.lucene.store.Directory;
import org.junit.Test;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.facet.index.categorypolicy.DefaultPathPolicy;
import org.apache.lucene.facet.index.categorypolicy.NonTopLevelPathPolicy;
import org.apache.lucene.facet.index.categorypolicy.PathPolicy;
import org.apache.lucene.facet.taxonomy.CategoryPath;
import org.apache.lucene.facet.taxonomy.TaxonomyWriter;
import org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter;
/**
* 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.
*/
public class PathPolicyTest extends LuceneTestCase {
@Test
public void testDefaultPathPolicy() {
// check path policy
CategoryPath cp = new CategoryPath();
PathPolicy pathPolicy = new DefaultPathPolicy();
assertFalse("default path policy should not accept root",
pathPolicy.shouldAdd(cp));
for (int i = 0; i < 300; i++) {
int nComponents = 1 + random.nextInt(10);
String[] components = new String[nComponents];
for (int j = 0; j < components.length; j++) {
components[j] = (Integer.valueOf(random.nextInt(30))).toString();
}
cp = new CategoryPath(components);
assertTrue("default path policy should accept "
+ cp.toString('/'),
pathPolicy.shouldAdd(cp));
}
}
@Test
public void testNonTopLevelPathPolicy() throws Exception {
Directory dir = newDirectory();
TaxonomyWriter taxonomy = null;
taxonomy = new DirectoryTaxonomyWriter(dir);
CategoryPath[] topLevelPaths = new CategoryPath[10];
String[] topLevelStrings = new String[10];
for (int i = 0; i < 10; i++) {
topLevelStrings[i] = Integer.valueOf(random.nextInt(30)).toString();
topLevelPaths[i] = new CategoryPath(topLevelStrings[i]);
taxonomy.addCategory(topLevelPaths[i]);
}
CategoryPath[] nonTopLevelPaths = new CategoryPath[300];
for (int i = 0; i < 300; i++) {
int nComponents = 2 + random.nextInt(10);
String[] components = new String[nComponents];
components[0] = topLevelStrings[i % 10];
for (int j = 1; j < components.length; j++) {
components[j] = (Integer.valueOf(random.nextInt(30))).toString();
}
nonTopLevelPaths[i] = new CategoryPath(components);
taxonomy.addCategory(nonTopLevelPaths[i]);
}
// check ordinal policy
PathPolicy pathPolicy = new NonTopLevelPathPolicy();
assertFalse("top level path policy should not match root",
pathPolicy.shouldAdd(new CategoryPath()));
for (int i = 0; i < 10; i++) {
assertFalse("top level path policy should not match "
+ topLevelPaths[i],
pathPolicy.shouldAdd(topLevelPaths[i]));
}
for (int i = 0; i < 300; i++) {
assertTrue("top level path policy should match "
+ nonTopLevelPaths[i],
pathPolicy.shouldAdd(nonTopLevelPaths[i]));
}
taxonomy.close();
dir.close();
}
}