content: /*
   *    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
   *
   *      https://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.
   */
  package org.apache.cayenne.dbsync.naming;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class PatternStemmerTest {
  
      @Test
      public void testStemNoMatch() {
          assertEquals("xyzabc", new PatternStemmer("^pre", false).stem("xyzabc"));
      }
  
      @Test
      public void testStemCaseSensitive() {
          assertEquals("PREUPPERCASE", new PatternStemmer("^pre", true).stem("PREUPPERCASE"));
          assertEquals("UPPERCASE", new PatternStemmer("^pre", true).stem("preUPPERCASE"));
      }
  
      @Test
      public void testStemCaseInsensitive() {
          assertEquals("lowercase", new PatternStemmer("^pre", false).stem("prelowercase"));
          assertEquals("UPPERCASE", new PatternStemmer("^pre", false).stem("PREUPPERCASE"));
      }
  
      @Test
      public void testStemHead() {
          assertEquals("name", new PatternStemmer("^strip_", false).stem("strip_name"));
          assertEquals("strip_name", new PatternStemmer("^strip_", false).stem("strip_strip_name"));
      }
  
      @Test
      public void testStemTail() {
          assertEquals("name", new PatternStemmer("_strip$", false).stem("name_strip"));
          assertEquals("name_strip", new PatternStemmer("_strip$", false).stem("name_strip_strip"));
      }
  
      @Test
      public void testStemMiddle() {
          assertEquals("start_end", new PatternStemmer("_strip", false).stem("start_strip_end"));
          assertEquals("start_end", new PatternStemmer("_strip", false).stem("start_strip_strip_end"));
      }
  }
  