pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / test / org / apache / lucene / search / TestSpanQueryFilter.java

diff --git a/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestSpanQueryFilter.java b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestSpanQueryFilter.java
new file mode 100644 (file)
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+++ b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestSpanQueryFilter.java
@@ -0,0 +1,81 @@
+package org.apache.lucene.search;
+
+/**
+ * Copyright 2004 The Apache Software Foundation
+ *
+ * Licensed 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.List;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.spans.SpanTermQuery;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.English;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestSpanQueryFilter extends LuceneTestCase {
+
+  public void testFilterWorks() throws Exception {
+    Directory dir = newDirectory();
+    RandomIndexWriter writer = new RandomIndexWriter(random, dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy()));
+    for (int i = 0; i < 500; i++) {
+      Document document = new Document();
+      document.add(newField("field", English.intToEnglish(i) + " equals " + English.intToEnglish(i),
+              Field.Store.NO, Field.Index.ANALYZED));
+      writer.addDocument(document);
+    }
+    IndexReader reader = writer.getReader();
+    writer.close();
+
+    SpanTermQuery query = new SpanTermQuery(new Term("field", English.intToEnglish(10).trim()));
+    SpanQueryFilter filter = new SpanQueryFilter(query);
+    SpanFilterResult result = filter.bitSpans(reader);
+    DocIdSet docIdSet = result.getDocIdSet();
+    assertTrue("docIdSet is null and it shouldn't be", docIdSet != null);
+    assertContainsDocId("docIdSet doesn't contain docId 10", docIdSet, 10);
+    List<SpanFilterResult.PositionInfo> spans = result.getPositions();
+    assertTrue("spans is null and it shouldn't be", spans != null);
+    int size = getDocIdSetSize(docIdSet);
+    assertTrue("spans Size: " + spans.size() + " is not: " + size, spans.size() == size);
+    for (final SpanFilterResult.PositionInfo info: spans) {
+      assertTrue("info is null and it shouldn't be", info != null);
+      //The doc should indicate the bit is on
+      assertContainsDocId("docIdSet doesn't contain docId " + info.getDoc(), docIdSet, info.getDoc());
+      //There should be two positions in each
+      assertTrue("info.getPositions() Size: " + info.getPositions().size() + " is not: " + 2, info.getPositions().size() == 2);
+    }
+    reader.close();
+    dir.close();
+  }
+  
+  int getDocIdSetSize(DocIdSet docIdSet) throws Exception {
+    int size = 0;
+    DocIdSetIterator it = docIdSet.iterator();
+    while (it.nextDoc() != DocIdSetIterator.NO_MORE_DOCS) {
+      size++;
+    }
+    return size;
+  }
+  
+  public void assertContainsDocId(String msg, DocIdSet docIdSet, int docId) throws Exception {
+    DocIdSetIterator it = docIdSet.iterator();
+    assertTrue(msg, it.advance(docId) != DocIdSetIterator.NO_MORE_DOCS);
+    assertTrue(msg, it.docID() == docId);
+  }
+}