X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestSegmentReader.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestSegmentReader.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestSegmentReader.java
new file mode 100644
index 0000000..be5df47
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestSegmentReader.java
@@ -0,0 +1,203 @@
+package org.apache.lucene.index;
+
+/**
+ * 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.
+ */
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.lucene.util.LuceneTestCase;
+
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Fieldable;
+import org.apache.lucene.search.Similarity;
+import org.apache.lucene.store.Directory;
+
+public class TestSegmentReader extends LuceneTestCase {
+  private Directory dir;
+  private Document testDoc = new Document();
+  private SegmentReader reader = null;
+  
+  //TODO: Setup the reader w/ multiple documents
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+    dir = newDirectory();
+    DocHelper.setupDoc(testDoc);
+    SegmentInfo info = DocHelper.writeDoc(random, dir, testDoc);
+    reader = SegmentReader.get(true, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);
+  }
+  
+  @Override
+  public void tearDown() throws Exception {
+    reader.close();
+    dir.close();
+    super.tearDown();
+  }
+
+  public void test() {
+    assertTrue(dir != null);
+    assertTrue(reader != null);
+    assertTrue(DocHelper.nameValues.size() > 0);
+    assertTrue(DocHelper.numFields(testDoc) == DocHelper.all.size());
+  }
+  
+  public void testDocument() throws IOException {
+    assertTrue(reader.numDocs() == 1);
+    assertTrue(reader.maxDoc() >= 1);
+    Document result = reader.document(0);
+    assertTrue(result != null);
+    //There are 2 unstored fields on the document that are not preserved across writing
+    assertTrue(DocHelper.numFields(result) == DocHelper.numFields(testDoc) - DocHelper.unstored.size());
+    
+    List<Fieldable> fields = result.getFields();
+    for (final Fieldable field : fields ) { 
+      assertTrue(field != null);
+      assertTrue(DocHelper.nameValues.containsKey(field.name()));
+    }
+  }
+  
+  public void testDelete() throws IOException {
+    Document docToDelete = new Document();
+    DocHelper.setupDoc(docToDelete);
+    SegmentInfo info = DocHelper.writeDoc(random, dir, docToDelete);
+    SegmentReader deleteReader = SegmentReader.get(false, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);
+    assertTrue(deleteReader != null);
+    assertTrue(deleteReader.numDocs() == 1);
+    deleteReader.deleteDocument(0);
+    assertTrue(deleteReader.isDeleted(0) == true);
+    assertTrue(deleteReader.hasDeletions() == true);
+    assertTrue(deleteReader.numDocs() == 0);
+    deleteReader.close();
+  }    
+  
+  public void testGetFieldNameVariations() {
+    Collection<String> result = reader.getFieldNames(IndexReader.FieldOption.ALL);
+    assertTrue(result != null);
+    assertTrue(result.size() == DocHelper.all.size());
+    for (Iterator<String> iter = result.iterator(); iter.hasNext();) {
+      String s =  iter.next();
+      //System.out.println("Name: " + s);
+      assertTrue(DocHelper.nameValues.containsKey(s) == true || s.equals(""));
+    }                                                                               
+    result = reader.getFieldNames(IndexReader.FieldOption.INDEXED);
+    assertTrue(result != null);
+    assertTrue(result.size() == DocHelper.indexed.size());
+    for (Iterator<String> iter = result.iterator(); iter.hasNext();) {
+      String s = iter.next();
+      assertTrue(DocHelper.indexed.containsKey(s) == true || s.equals(""));
+    }
+    
+    result = reader.getFieldNames(IndexReader.FieldOption.UNINDEXED);
+    assertTrue(result != null);
+    assertTrue(result.size() == DocHelper.unindexed.size());
+    //Get all indexed fields that are storing term vectors
+    result = reader.getFieldNames(IndexReader.FieldOption.INDEXED_WITH_TERMVECTOR);
+    assertTrue(result != null);
+    assertTrue(result.size() == DocHelper.termvector.size());
+    
+    result = reader.getFieldNames(IndexReader.FieldOption.INDEXED_NO_TERMVECTOR);
+    assertTrue(result != null);
+    assertTrue(result.size() == DocHelper.notermvector.size());
+  } 
+  
+  public void testTerms() throws IOException {
+    TermEnum terms = reader.terms();
+    assertTrue(terms != null);
+    while (terms.next() == true)
+    {
+      Term term = terms.term();
+      assertTrue(term != null);
+      //System.out.println("Term: " + term);
+      String fieldValue = (String)DocHelper.nameValues.get(term.field());
+      assertTrue(fieldValue.indexOf(term.text()) != -1);
+    }
+    
+    TermDocs termDocs = reader.termDocs();
+    assertTrue(termDocs != null);
+    termDocs.seek(new Term(DocHelper.TEXT_FIELD_1_KEY, "field"));
+    assertTrue(termDocs.next() == true);
+
+    termDocs.seek(new Term(DocHelper.NO_NORMS_KEY,  DocHelper.NO_NORMS_TEXT));
+    assertTrue(termDocs.next() == true);
+
+    
+    TermPositions positions = reader.termPositions();
+    assertTrue(positions != null);
+    positions.seek(new Term(DocHelper.TEXT_FIELD_1_KEY, "field"));
+    assertTrue(positions.doc() == 0);
+    assertTrue(positions.nextPosition() >= 0);
+  }    
+  
+  public void testNorms() throws IOException {
+    //TODO: Not sure how these work/should be tested
+/*
+    try {
+      byte [] norms = reader.norms(DocHelper.TEXT_FIELD_1_KEY);
+      System.out.println("Norms: " + norms);
+      assertTrue(norms != null);
+    } catch (IOException e) {
+      e.printStackTrace();
+      assertTrue(false);
+    }
+*/
+
+    checkNorms(reader);
+  }
+
+  public static void checkNorms(IndexReader reader) throws IOException {
+        // test omit norms
+    for (int i=0; i<DocHelper.fields.length; i++) {
+      Fieldable f = DocHelper.fields[i];
+      if (f.isIndexed()) {
+        assertEquals(reader.hasNorms(f.name()), !f.getOmitNorms());
+        assertEquals(reader.hasNorms(f.name()), !DocHelper.noNorms.containsKey(f.name()));
+        if (!reader.hasNorms(f.name())) {
+          // test for fake norms of 1.0 or null depending on the flag
+          byte [] norms = reader.norms(f.name());
+          byte norm1 = Similarity.getDefault().encodeNormValue(1.0f);
+          assertNull(norms);
+          norms = new byte[reader.maxDoc()];
+          reader.norms(f.name(),norms, 0);
+          for (int j=0; j<reader.maxDoc(); j++) {
+            assertEquals(norms[j], norm1);
+          }
+        }
+      }
+    }
+  }
+  
+  public void testTermVectors() throws IOException {
+    TermFreqVector result = reader.getTermFreqVector(0, DocHelper.TEXT_FIELD_2_KEY);
+    assertTrue(result != null);
+    String [] terms = result.getTerms();
+    int [] freqs = result.getTermFrequencies();
+    assertTrue(terms != null && terms.length == 3 && freqs != null && freqs.length == 3);
+    for (int i = 0; i < terms.length; i++) {
+      String term = terms[i];
+      int freq = freqs[i];
+      assertTrue(DocHelper.FIELD_2_TEXT.indexOf(term) != -1);
+      assertTrue(freq > 0);
+    }
+
+    TermFreqVector [] results = reader.getTermFreqVectors(0);
+    assertTrue(results != null);
+    assertTrue("We do not have 3 term freq vectors, we have: " + results.length, results.length == 3);      
+  }    
+}