pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / facet / src / test / org / apache / lucene / facet / search / BaseTestTopK.java

diff --git a/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/facet/search/BaseTestTopK.java b/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/facet/search/BaseTestTopK.java
new file mode 100644 (file)
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+++ b/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/facet/search/BaseTestTopK.java
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+package org.apache.lucene.facet.search;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.util._TestUtil;
+
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.facet.FacetTestBase;
+import org.apache.lucene.facet.index.params.FacetIndexingParams;
+import org.apache.lucene.facet.search.params.CountFacetRequest;
+import org.apache.lucene.facet.search.params.FacetSearchParams;
+import org.apache.lucene.facet.taxonomy.CategoryPath;
+import org.apache.lucene.facet.taxonomy.TaxonomyWriter;
+
+/**
+ * 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 abstract class BaseTestTopK extends FacetTestBase {
+
+  protected static final String ALPHA = "alpha";
+  protected static final String BETA  = "beta";
+
+  /** partition sizes on which the tests are run */
+  protected static int[] partitionSizes = new int[] { 2, 3, 100, Integer.MAX_VALUE };
+
+  /** Categories are generated from range [0,maxCategory) */
+  protected static int maxCategory = 5000;
+  private static final int categoriesPow2 = maxCategory * maxCategory;
+
+  private int currDoc;
+  private int nextInt;
+
+  @Override
+  protected void populateIndex(RandomIndexWriter iw, TaxonomyWriter taxo,
+      FacetIndexingParams iParams) throws IOException, CorruptIndexException {
+    currDoc = -1;
+    super.populateIndex(iw, taxo, iParams);
+  }
+  
+  /** prepare the next random int */
+  private void nextInt(int doc) {
+    if (currDoc == doc ) {
+      return;
+    }
+    currDoc = doc;
+    nextInt = random.nextInt(categoriesPow2);
+    nextInt = (int)Math.sqrt(nextInt);
+  }
+  
+  @Override
+  protected String getContent(int doc) {
+    nextInt(doc);
+    if (random.nextDouble() > 0.1) {
+      return ALPHA + ' ' + BETA;
+    }
+    return ALPHA;
+  }
+  
+  @Override
+  protected List<CategoryPath> getCategories(int doc) {
+    nextInt(doc);
+    CategoryPath cp = new CategoryPath(
+        "a", 
+        Integer.toString(nextInt / 1000), 
+        Integer.toString(nextInt / 100), 
+        Integer.toString(nextInt / 10));
+    if (VERBOSE) {
+      System.out.println("Adding CP: " + cp.toString());
+    }
+    return Arrays.asList(new CategoryPath[] { cp });
+  }
+
+  protected FacetSearchParams searchParamsWithRequests(int numResults) {
+    return searchParamsWithRequests(numResults, Integer.MAX_VALUE);
+  }
+  
+  protected FacetSearchParams searchParamsWithRequests(int numResults, int partitionSize) {
+    FacetSearchParams res = getFacetedSearchParams(partitionSize);
+    res.addFacetRequest(new CountFacetRequest(new CategoryPath("a"), numResults));
+    res.addFacetRequest(new CountFacetRequest(new CategoryPath("a", "1"), numResults));
+    res.addFacetRequest(new CountFacetRequest(new CategoryPath("a", "1", "10"), numResults));
+    res.addFacetRequest(new CountFacetRequest(new CategoryPath("a", "2",  "26", "267"), numResults));
+    return res;
+  }
+
+  @Override
+  protected int numDocsToIndex() {
+    return 20000;
+  }
+
+  @Override
+  protected IndexWriterConfig getIndexWriterConfig(Analyzer analyzer) {
+    return super.getIndexWriterConfig(analyzer).setMaxBufferedDocs(_TestUtil.nextInt(random, 500, 10000));
+  }
+}