pylucene 3.5.0-3
[pylucene.git] / lucene-java-3.5.0 / lucene / src / test / org / apache / lucene / analysis / TestWordlistLoader.java
diff --git a/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/analysis/TestWordlistLoader.java b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/analysis/TestWordlistLoader.java
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+package org.apache.lucene.analysis;
+
+/**
+ * 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.BufferedReader;
+import java.io.IOException;
+import java.io.StringReader;
+
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestWordlistLoader extends LuceneTestCase {
+
+  public void testWordlistLoading() throws IOException {
+    String s = "ONE\n  two \nthree";
+    CharArraySet wordSet1 = WordlistLoader.getWordSet(new StringReader(s), TEST_VERSION_CURRENT);
+    checkSet(wordSet1);
+    CharArraySet wordSet2 = WordlistLoader.getWordSet(new BufferedReader(new StringReader(s)), TEST_VERSION_CURRENT);
+    checkSet(wordSet2);
+  }
+
+  public void testComments() throws Exception {
+    String s = "ONE\n  two \nthree\n#comment";
+    CharArraySet wordSet1 = WordlistLoader.getWordSet(new StringReader(s), "#", TEST_VERSION_CURRENT);
+    checkSet(wordSet1);
+    assertFalse(wordSet1.contains("#comment"));
+    assertFalse(wordSet1.contains("comment"));
+  }
+
+
+  private void checkSet(CharArraySet wordset) {
+    assertEquals(3, wordset.size());
+    assertTrue(wordset.contains("ONE"));               // case is not modified
+    assertTrue(wordset.contains("two"));               // surrounding whitespace is removed
+    assertTrue(wordset.contains("three"));
+    assertFalse(wordset.contains("four"));
+  }
+
+  /**
+   * Test stopwords in snowball format
+   */
+  public void testSnowballListLoading() throws IOException {
+    String s = 
+      "|comment\n" + // commented line
+      " |comment\n" + // commented line with leading whitespace
+      "\n" + // blank line
+      "  \t\n" + // line with only whitespace
+      " |comment | comment\n" + // commented line with comment
+      "ONE\n" + // stopword, in uppercase
+      "   two   \n" + // stopword with leading/trailing space
+      " three   four five \n" + // multiple stopwords
+      "six seven | comment\n"; //multiple stopwords + comment
+    CharArraySet wordset = WordlistLoader.getSnowballWordSet(new StringReader(s), TEST_VERSION_CURRENT);
+    assertEquals(7, wordset.size());
+    assertTrue(wordset.contains("ONE"));
+    assertTrue(wordset.contains("two"));
+    assertTrue(wordset.contains("three"));
+    assertTrue(wordset.contains("four"));
+    assertTrue(wordset.contains("five"));
+    assertTrue(wordset.contains("six"));
+    assertTrue(wordset.contains("seven"));
+  }
+}