pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / highlighter / src / test / org / apache / lucene / search / highlight / OffsetLimitTokenFilterTest.java

diff --git a/lucene-java-3.5.0/lucene/contrib/highlighter/src/test/org/apache/lucene/search/highlight/OffsetLimitTokenFilterTest.java b/lucene-java-3.5.0/lucene/contrib/highlighter/src/test/org/apache/lucene/search/highlight/OffsetLimitTokenFilterTest.java
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+++ b/lucene-java-3.5.0/lucene/contrib/highlighter/src/test/org/apache/lucene/search/highlight/OffsetLimitTokenFilterTest.java
@@ -0,0 +1,69 @@
+package org.apache.lucene.search.highlight;
+
+/**
+ * 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.Reader;
+import java.io.StringReader;
+
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.MockTokenizer;
+import org.apache.lucene.analysis.WhitespaceAnalyzer;
+
+import org.apache.lucene.analysis.TokenStream;
+import org.apache.lucene.util.Version;
+
+public class OffsetLimitTokenFilterTest extends BaseTokenStreamTestCase {
+  
+  public void testFilter() throws Exception {
+    // we disable MockTokenizer checks because we will forcefully limit the 
+    // tokenstream and call end() before incrementToken() returns false.
+    MockTokenizer stream = new MockTokenizer(new StringReader(
+        "short toolong evenmuchlongertext a ab toolong foo"),
+        MockTokenizer.WHITESPACE, false);
+    stream.setEnableChecks(false);
+    OffsetLimitTokenFilter filter = new OffsetLimitTokenFilter(stream, 10);
+    assertTokenStreamContents(filter, new String[] {"short", "toolong"});
+    
+    stream = new MockTokenizer(new StringReader(
+    "short toolong evenmuchlongertext a ab toolong foo"),
+    MockTokenizer.WHITESPACE, false);
+    stream.setEnableChecks(false);
+    filter = new OffsetLimitTokenFilter(stream, 12);
+    assertTokenStreamContents(filter, new String[] {"short", "toolong"});
+  
+    stream = new MockTokenizer(new StringReader(
+    "short toolong evenmuchlongertext a ab toolong foo"),
+    MockTokenizer.WHITESPACE, false);
+    stream.setEnableChecks(false);
+    filter = new OffsetLimitTokenFilter(stream, 30);
+    assertTokenStreamContents(filter, new String[] {"short", "toolong",
+        "evenmuchlongertext"});
+    
+    // TODO: This is not actually testing reuse! (reusableTokenStream is not implemented)
+    checkOneTermReuse(new Analyzer() {
+      
+      @Override
+      public TokenStream tokenStream(String fieldName, Reader reader) {
+        MockTokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
+        tokenizer.setEnableChecks(false);
+        return new OffsetLimitTokenFilter(tokenizer, 10);
+      }
+    }, "llenges", "llenges");
+  }
+}
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