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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.text.similarity;
18  
19  import static org.junit.jupiter.api.Assertions.assertEquals;
20  import static org.junit.jupiter.api.Assertions.assertSame;
21  import static org.junit.jupiter.api.Assertions.assertThrows;
22  
23  import java.util.Locale;
24  
25  import org.junit.jupiter.api.Test;
26  
27  /**
28   * Tests {@link FuzzyScore}.
29   */
30  class FuzzyScoreTest {
31  
32      private static final FuzzyScore ENGLISH_SCORE = new FuzzyScore(Locale.ENGLISH);
33  
34      @Test
35      void testGetFuzzyScore() {
36          assertEquals(0, ENGLISH_SCORE.fuzzyScore("", ""));
37          assertEquals(0, ENGLISH_SCORE.fuzzyScore("Workshop", "b"));
38          assertEquals(1, ENGLISH_SCORE.fuzzyScore("Room", "o"));
39          assertEquals(1, ENGLISH_SCORE.fuzzyScore("Workshop", "w"));
40          assertEquals(2, ENGLISH_SCORE.fuzzyScore("Workshop", "ws"));
41          assertEquals(4, ENGLISH_SCORE.fuzzyScore("Workshop", "wo"));
42          assertEquals(3, ENGLISH_SCORE.fuzzyScore("Apache Software Foundation", "asf"));
43      }
44  
45      @Test
46      void testGetFuzzyScore_NullNullLocale() {
47          assertThrows(IllegalArgumentException.class, () -> ENGLISH_SCORE.fuzzyScore(null, null));
48      }
49  
50      @Test
51      void testGetFuzzyScore_NullStringLocale() {
52          assertThrows(IllegalArgumentException.class, () -> ENGLISH_SCORE.fuzzyScore(null, "not null"));
53      }
54  
55      @Test
56      void testGetFuzzyScore_StringNullLocale() {
57          assertThrows(IllegalArgumentException.class, () -> ENGLISH_SCORE.fuzzyScore("not null", null));
58      }
59  
60      @Test
61      void testGetLocale() {
62          final Locale locale = Locale.CANADA_FRENCH;
63          final FuzzyScore fuzzyScore = new FuzzyScore(locale);
64          final Locale localeTwo = fuzzyScore.getLocale();
65          assertSame(localeTwo, locale);
66      }
67  
68      @Test
69      void testMissingLocale() {
70          assertThrows(IllegalArgumentException.class, () -> new FuzzyScore((Locale) null));
71      }
72  
73  }