pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / test / org / apache / lucene / index / TestLazyBug.java

diff --git a/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/index/TestLazyBug.java b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/index/TestLazyBug.java
new file mode 100755 (executable)
index 0000000..8884452
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/index/TestLazyBug.java
@@ -0,0 +1,147 @@
+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.util.Arrays;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.FieldSelector;
+import org.apache.lucene.document.FieldSelectorResult;
+import org.apache.lucene.document.Fieldable;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+
+
+/**
+ * Test demonstrating EOF bug on the last field of the last doc 
+ * if other docs have already been accessed.
+ */
+public class TestLazyBug extends LuceneTestCase {
+
+  public static int NUM_DOCS = TEST_NIGHTLY ? 500 : 50;
+  public static int NUM_FIELDS = TEST_NIGHTLY ? 100 : 10;
+
+  private static String[] data = new String[] {
+    "now",
+    "is the time",
+    "for all good men",
+    "to come to the aid",
+    "of their country!",
+    "this string contains big chars:{\u0111 \u0222 \u0333 \u1111 \u2222 \u3333}",
+    "this string is a bigger string, mary had a little lamb, little lamb, little lamb!"
+  };
+
+  private static Set<String> dataset = new HashSet<String>(Arrays.asList(data));
+  
+  private static String MAGIC_FIELD = "f"+(NUM_FIELDS/3);
+  
+  private static Directory directory;
+  
+  @BeforeClass
+  public static void beforeClass() throws Exception {
+    directory = makeIndex();
+  }
+  
+  @AfterClass
+  public static void afterClass() throws Exception {
+    directory.close();
+    directory = null;
+  }
+
+  private static FieldSelector SELECTOR = new FieldSelector() {
+      public FieldSelectorResult accept(String f) {
+        if (f.equals(MAGIC_FIELD)) {
+          return FieldSelectorResult.LOAD;
+        }
+        return FieldSelectorResult.LAZY_LOAD;
+      }
+    };
+
+  private static Directory makeIndex() throws Exception {
+    Directory dir = newDirectory();
+    try {
+      IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
+                                                                     TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy()));
+      LogMergePolicy lmp = (LogMergePolicy) writer.getConfig().getMergePolicy();
+      lmp.setUseCompoundFile(false);
+
+      for (int d = 1; d <= NUM_DOCS; d++) {
+        Document doc = new Document();
+        for (int f = 1; f <= NUM_FIELDS; f++ ) {
+          doc.add(newField("f"+f,
+                            data[f % data.length]
+                            + '#' + data[random.nextInt(data.length)],
+                            Field.Store.NO,
+                            Field.Index.ANALYZED));
+        }
+        writer.addDocument(doc);
+      }
+      writer.close();
+    } catch (Exception e) {
+      throw new RuntimeException(e);
+    }
+    return dir;
+  }
+  
+  public void doTest(int[] docs) throws Exception {
+    IndexReader reader = IndexReader.open(directory, true);
+    for (int i = 0; i < docs.length; i++) {
+      Document d = reader.document(docs[i], SELECTOR);
+      d.get(MAGIC_FIELD);
+      
+      List<Fieldable> fields = d.getFields();
+      for (Iterator<Fieldable> fi = fields.iterator(); fi.hasNext(); ) {
+        Fieldable f=null;
+        try {
+          f =  fi.next();
+          String fname = f.name();
+          String fval = f.stringValue();
+          assertNotNull(docs[i]+" FIELD: "+fname, fval);
+          String[] vals = fval.split("#");
+          if (!dataset.contains(vals[0]) || !dataset.contains(vals[1])) {        
+            fail("FIELD:"+fname+",VAL:"+fval);
+          }
+        } catch (Exception e) {
+          throw new Exception(docs[i]+" WTF: "+f.name(), e);
+        }
+      }
+    }
+    reader.close();
+  }
+
+  public void testLazyWorks() throws Exception {
+    doTest(new int[] { NUM_DOCS-1 });
+  }
+  
+  public void testLazyAlsoWorks() throws Exception {
+    doTest(new int[] { NUM_DOCS-1, NUM_DOCS/2 });
+  }
+
+  public void testLazyBroken() throws Exception {
+    doTest(new int[] { NUM_DOCS/2, NUM_DOCS-1 });
+  }
+
+}