--- /dev/null
+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.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.zip.ZipFile;
+
+import org.apache.lucene.analysis.Analyzer;
+import org.junit.Assert;
+
+/** Utility class for doing vocabulary-based stemming tests */
+public class VocabularyAssert {
+ /** Run a vocabulary test against two data files. */
+ public static void assertVocabulary(Analyzer a, InputStream voc, InputStream out)
+ throws IOException {
+ BufferedReader vocReader = new BufferedReader(
+ new InputStreamReader(voc, "UTF-8"));
+ BufferedReader outputReader = new BufferedReader(
+ new InputStreamReader(out, "UTF-8"));
+ String inputWord = null;
+ while ((inputWord = vocReader.readLine()) != null) {
+ String expectedWord = outputReader.readLine();
+ Assert.assertNotNull(expectedWord);
+ BaseTokenStreamTestCase.checkOneTermReuse(a, inputWord, expectedWord);
+ }
+ }
+
+ /** Run a vocabulary test against one file: tab separated. */
+ public static void assertVocabulary(Analyzer a, InputStream vocOut)
+ throws IOException {
+ BufferedReader vocReader = new BufferedReader(
+ new InputStreamReader(vocOut, "UTF-8"));
+ String inputLine = null;
+ while ((inputLine = vocReader.readLine()) != null) {
+ if (inputLine.startsWith("#") || inputLine.trim().length() == 0)
+ continue; /* comment */
+ String words[] = inputLine.split("\t");
+ BaseTokenStreamTestCase.checkOneTermReuse(a, words[0], words[1]);
+ }
+ }
+
+ /** Run a vocabulary test against two data files inside a zip file */
+ public static void assertVocabulary(Analyzer a, File zipFile, String voc, String out)
+ throws IOException {
+ ZipFile zip = new ZipFile(zipFile);
+ InputStream v = zip.getInputStream(zip.getEntry(voc));
+ InputStream o = zip.getInputStream(zip.getEntry(out));
+ assertVocabulary(a, v, o);
+ v.close();
+ o.close();
+ zip.close();
+ }
+
+ /** Run a vocabulary test against a tab-separated data file inside a zip file */
+ public static void assertVocabulary(Analyzer a, File zipFile, String vocOut)
+ throws IOException {
+ ZipFile zip = new ZipFile(zipFile);
+ InputStream vo = zip.getInputStream(zip.getEntry(vocOut));
+ assertVocabulary(a, vo);
+ vo.close();
+ zip.close();
+ }
+}