pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / analyzers / common / src / test / org / apache / lucene / analysis / cz / TestCzechAnalyzer.java

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/cz/TestCzechAnalyzer.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/cz/TestCzechAnalyzer.java
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+++ b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/cz/TestCzechAnalyzer.java
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+package org.apache.lucene.analysis.cz;
+
+/**
+ * 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.io.InputStream;
+
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.CharArraySet;
+import org.apache.lucene.util.Version;
+
+/**
+ * Test the CzechAnalyzer
+ * 
+ * Before Lucene 3.1, CzechAnalyzer was a StandardAnalyzer with a custom 
+ * stopword list. As of 3.1 it also includes a stemmer.
+ *
+ */
+public class TestCzechAnalyzer extends BaseTokenStreamTestCase {
+  
+  /**
+   * @deprecated Remove this test when support for 3.0 indexes is no longer needed.
+   */
+  @Deprecated
+  public void testStopWordLegacy() throws Exception {
+    assertAnalyzesTo(new CzechAnalyzer(Version.LUCENE_30), "Pokud mluvime o volnem", 
+        new String[] { "mluvime", "volnem" });
+  }
+  
+  public void testStopWord() throws Exception {
+    assertAnalyzesTo(new CzechAnalyzer(TEST_VERSION_CURRENT), "Pokud mluvime o volnem", 
+        new String[] { "mluvim", "voln" });
+  }
+  
+  /**
+   * @deprecated Remove this test when support for 3.0 indexes is no longer needed.
+   */
+  @Deprecated
+  public void testReusableTokenStreamLegacy() throws Exception {
+    Analyzer analyzer = new CzechAnalyzer(Version.LUCENE_30);
+    assertAnalyzesToReuse(analyzer, "Pokud mluvime o volnem", new String[] { "mluvime", "volnem" });
+    assertAnalyzesToReuse(analyzer, "Česká Republika", new String[] { "česká", "republika" });
+  }
+  
+  public void testReusableTokenStream() throws Exception {
+    Analyzer analyzer = new CzechAnalyzer(TEST_VERSION_CURRENT);
+    assertAnalyzesToReuse(analyzer, "Pokud mluvime o volnem", new String[] { "mluvim", "voln" });
+    assertAnalyzesToReuse(analyzer, "Česká Republika", new String[] { "česk", "republik" });
+  }
+
+  /**
+   * An input stream that always throws IOException for testing.
+   * @deprecated Remove this class when the loadStopWords method is removed.
+   */
+  @Deprecated
+  private class UnreliableInputStream extends InputStream {
+    @Override
+    public int read() throws IOException {
+      throw new IOException();
+    }
+  }
+  
+  /**
+   * The loadStopWords method does not throw IOException on error,
+   * instead previously it set the stoptable to null (versus empty)
+   * this would cause a NPE when it is time to create the StopFilter.
+   * @deprecated Remove this test when the loadStopWords method is removed.
+   */
+  @Deprecated
+  public void testInvalidStopWordFile() throws Exception {
+    CzechAnalyzer cz = new CzechAnalyzer(Version.LUCENE_30);
+    cz.loadStopWords(new UnreliableInputStream(), "UTF-8");
+    assertAnalyzesTo(cz, "Pokud mluvime o volnem",
+        new String[] { "pokud", "mluvime", "o", "volnem" });
+  }
+  
+  /** 
+   * Test that changes to the stop table via loadStopWords are applied immediately
+   * when using reusable token streams.
+   * @deprecated Remove this test when the loadStopWords method is removed.
+   */
+  @Deprecated
+  public void testStopWordFileReuse() throws Exception {
+    CzechAnalyzer cz = new CzechAnalyzer(Version.LUCENE_30);
+    assertAnalyzesToReuse(cz, "Česká Republika", 
+      new String[] { "česká", "republika" });
+    
+    InputStream stopwords = getClass().getResourceAsStream("customStopWordFile.txt");
+    cz.loadStopWords(stopwords, "UTF-8");
+    
+    assertAnalyzesToReuse(cz, "Česká Republika", new String[] { "česká" });
+  }
+  
+  public void testWithStemExclusionSet() throws IOException{
+    CharArraySet set = new CharArraySet(TEST_VERSION_CURRENT, 1, true);
+    set.add("hole");
+    CzechAnalyzer cz = new CzechAnalyzer(TEST_VERSION_CURRENT, CharArraySet.EMPTY_SET, set);
+    assertAnalyzesTo(cz, "hole desek", new String[] {"hole", "desk"});
+  }
+  
+  /** blast some random strings through the analyzer */
+  public void testRandomStrings() throws Exception {
+    checkRandomData(random, new CzechAnalyzer(TEST_VERSION_CURRENT), 10000*RANDOM_MULTIPLIER);
+  }
+}