pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / backwards / src / test / org / apache / lucene / analysis / TestKeywordMarkerFilter.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/analysis/TestKeywordMarkerFilter.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/analysis/TestKeywordMarkerFilter.java
new file mode 100644 (file)
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--- /dev/null
+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/analysis/TestKeywordMarkerFilter.java
@@ -0,0 +1,90 @@
+package org.apache.lucene.analysis;
+
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.Set;
+
+import org.apache.lucene.analysis.tokenattributes.KeywordAttribute;
+import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
+import org.junit.Test;
+
+/**
+ * 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.
+ */
+
+/**
+ * Testcase for {@link KeywordMarkerFilter}
+ */
+public class TestKeywordMarkerFilter extends BaseTokenStreamTestCase {
+
+  @Test
+  public void testIncrementToken() throws IOException {
+    CharArraySet set = new CharArraySet(TEST_VERSION_CURRENT, 5, true);
+    set.add("lucenefox");
+    String[] output = new String[] { "the", "quick", "brown", "LuceneFox",
+        "jumps" };
+    assertTokenStreamContents(new LowerCaseFilterMock(
+        new KeywordMarkerFilter(new MockTokenizer(new StringReader(
+            "The quIck browN LuceneFox Jumps"), MockTokenizer.WHITESPACE, false), set)), output);
+    Set<String> jdkSet = new HashSet<String>();
+    jdkSet.add("LuceneFox");
+    assertTokenStreamContents(new LowerCaseFilterMock(
+        new KeywordMarkerFilter(new MockTokenizer(new StringReader(
+            "The quIck browN LuceneFox Jumps"), MockTokenizer.WHITESPACE, false), jdkSet)), output);
+    Set<?> set2 = set;
+    assertTokenStreamContents(new LowerCaseFilterMock(
+        new KeywordMarkerFilter(new MockTokenizer(new StringReader(
+            "The quIck browN LuceneFox Jumps"), MockTokenizer.WHITESPACE, false), set2)), output);
+  }
+
+  // LUCENE-2901
+  public void testComposition() throws Exception {   
+    TokenStream ts = new LowerCaseFilterMock(
+                     new KeywordMarkerFilter(
+                     new KeywordMarkerFilter(
+                     new MockTokenizer(new StringReader("Dogs Trees Birds Houses"), MockTokenizer.WHITESPACE, false),
+                     new HashSet<String>(Arrays.asList(new String[] { "Birds", "Houses" }))), 
+                     new HashSet<String>(Arrays.asList(new String[] { "Dogs", "Trees" }))));
+    
+    assertTokenStreamContents(ts, new String[] { "Dogs", "Trees", "Birds", "Houses" });
+  }
+  
+  public static final class LowerCaseFilterMock extends TokenFilter {
+
+    private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
+    private final KeywordAttribute keywordAttr = addAttribute(KeywordAttribute.class);
+
+    public LowerCaseFilterMock(TokenStream in) {
+      super(in);
+    }
+
+    @Override
+    public boolean incrementToken() throws IOException {
+      if (input.incrementToken()) {
+        if (!keywordAttr.isKeyword()) {
+          final String term = termAtt.toString().toLowerCase(Locale.ENGLISH);
+          termAtt.setEmpty().append(term);
+        }
+        return true;
+      }
+      return false;
+    }
+
+  }
+}