--- /dev/null
+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.DefaultOrdinalPolicy;
+import org.apache.lucene.facet.index.categorypolicy.NonTopLevelOrdinalPolicy;
+import org.apache.lucene.facet.index.categorypolicy.OrdinalPolicy;
+import org.apache.lucene.facet.taxonomy.CategoryPath;
+import org.apache.lucene.facet.taxonomy.TaxonomyReader;
+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 OrdinalPolicyTest extends LuceneTestCase {
+
+ @Test
+ public void testDefaultOrdinalPolicy() {
+ // check ordinal policy
+ OrdinalPolicy ordinalPolicy = new DefaultOrdinalPolicy();
+ assertFalse("default ordinal policy should not match root", ordinalPolicy
+ .shouldAdd(TaxonomyReader.ROOT_ORDINAL));
+ for (int i = 0; i < 300; i++) {
+ int ordinal = 1 + random.nextInt(Integer.MAX_VALUE - 1);
+ assertTrue("default ordinal policy should match " + ordinal,
+ ordinalPolicy.shouldAdd(ordinal));
+ }
+ }
+
+ @Test
+ public void testNonTopLevelOrdinalPolicy() throws Exception {
+ Directory dir = newDirectory();
+ TaxonomyWriter taxonomy = null;
+ taxonomy = new DirectoryTaxonomyWriter(dir);
+
+ int[] topLevelOrdinals = new int[10];
+ String[] topLevelStrings = new String[10];
+ for (int i = 0; i < 10; i++) {
+ topLevelStrings[i] = Integer.valueOf(random.nextInt(30)).toString();
+ topLevelOrdinals[i] = taxonomy.addCategory(new CategoryPath(
+ topLevelStrings[i]));
+ }
+ int[] nonTopLevelOrdinals = new int[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();
+ }
+ nonTopLevelOrdinals[i] = taxonomy.addCategory(new CategoryPath(
+ components));
+ }
+ // check ordinal policy
+ OrdinalPolicy ordinalPolicy = new NonTopLevelOrdinalPolicy();
+ ordinalPolicy.init(taxonomy);
+ assertFalse("top level ordinal policy should not match root", ordinalPolicy
+ .shouldAdd(TaxonomyReader.ROOT_ORDINAL));
+ for (int i = 0; i < 10; i++) {
+ assertFalse("top level ordinal policy should not match "
+ + topLevelOrdinals[i],
+ ordinalPolicy.shouldAdd(topLevelOrdinals[i]));
+ }
+ for (int i = 0; i < 300; i++) {
+ assertTrue("top level ordinal policy should match "
+ + nonTopLevelOrdinals[i],
+ ordinalPolicy.shouldAdd(nonTopLevelOrdinals[i]));
+ }
+
+ // check illegal ordinal
+ assertFalse("Should not add illegal ordinal", ordinalPolicy.shouldAdd(100000));
+ taxonomy.close();
+ dir.close();
+ }
+
+}