1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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.assertThrows;
21
22 import org.junit.jupiter.api.BeforeAll;
23 import org.junit.jupiter.api.Test;
24 import org.junit.jupiter.params.ParameterizedTest;
25 import org.junit.jupiter.params.provider.MethodSource;
26
27
28
29
30 class JaroWinklerDistanceTest {
31
32 private static JaroWinklerDistance distance;
33
34 @BeforeAll
35 public static void setUp() {
36 distance = new JaroWinklerDistance();
37 }
38
39 @ParameterizedTest
40 @MethodSource("org.apache.commons.text.similarity.SimilarityInputTest#similarityInputsEquals()")
41 void testGetJaroWinklerDistance(final Class<?> cls) {
42 assertEquals(0.07501d, distance.apply(SimilarityInputTest.build(cls, "frog"), SimilarityInputTest.build(cls, "fog")), 0.00001d);
43 assertEquals(1.0d, distance.apply(SimilarityInputTest.build(cls, "fly"), SimilarityInputTest.build(cls, "ant")), 0.00000000000000000001d);
44 assertEquals(0.55834d, distance.apply(SimilarityInputTest.build(cls, "elephant"), SimilarityInputTest.build(cls, "hippo")), 0.00001d);
45 assertEquals(0.09334d, distance.apply(SimilarityInputTest.build(cls, "ABC Corporation"), SimilarityInputTest.build(cls, "ABC Corp")), 0.00001d);
46 assertEquals(0.04749d,
47 distance.apply(SimilarityInputTest.build(cls, "D N H Enterprises Inc"), SimilarityInputTest.build(cls, "D & H Enterprises, Inc.")), 0.00001d);
48 assertEquals(0.058d,
49 distance.apply(SimilarityInputTest.build(cls, "My Gym Children's Fitness Center"), SimilarityInputTest.build(cls, "My Gym. Childrens Fitness")),
50 0.00001d);
51 assertEquals(0.101982d, distance.apply(SimilarityInputTest.build(cls, "PENNSYLVANIA"), SimilarityInputTest.build(cls, "PENNCISYLVNIA")), 0.00001d);
52 assertEquals(0.028572d, distance.apply(SimilarityInputTest.build(cls, "/opt/software1"), SimilarityInputTest.build(cls, "/opt/software2")), 0.00001d);
53 assertEquals(0.058334d, distance.apply(SimilarityInputTest.build(cls, "aaabcd"), SimilarityInputTest.build(cls, "aaacdb")), 0.00001d);
54 assertEquals(0.088889d, distance.apply(SimilarityInputTest.build(cls, "John Horn"), SimilarityInputTest.build(cls, "John Hopkins")), 0.00001d);
55 assertEquals(0d, distance.apply(SimilarityInputTest.build(cls, ""), SimilarityInputTest.build(cls, "")), 0.00001d);
56 assertEquals(0d, distance.apply(SimilarityInputTest.build(cls, "foo"), SimilarityInputTest.build(cls, "foo")), 0.00001d);
57 assertEquals(1 - 0.94166d, distance.apply(SimilarityInputTest.build(cls, "foo"), SimilarityInputTest.build(cls, "foo ")), 0.00001d);
58 assertEquals(1 - 0.90666d, distance.apply(SimilarityInputTest.build(cls, "foo"), SimilarityInputTest.build(cls, "foo ")), 0.00001d);
59 assertEquals(1 - 0.86666d, distance.apply(SimilarityInputTest.build(cls, "foo"), SimilarityInputTest.build(cls, " foo ")), 0.00001d);
60 assertEquals(1 - 0.51111d, distance.apply(SimilarityInputTest.build(cls, "foo"), SimilarityInputTest.build(cls, " foo")), 0.00001d);
61 }
62
63 @Test
64 void testGetJaroWinklerDistance_NullNull() {
65 assertThrows(IllegalArgumentException.class, () -> distance.apply((String) null, null));
66 }
67
68 @Test
69 void testGetJaroWinklerDistance_NullString() {
70 assertThrows(IllegalArgumentException.class, () -> distance.apply(null, "clear"));
71 }
72
73 @Test
74 void testGetJaroWinklerDistance_StringNull() {
75 assertThrows(IllegalArgumentException.class, () -> distance.apply(" ", null));
76 }
77
78 @Test
79 void testGetJaroWinklerDistance_StringString() {
80 assertEquals(0.07501d, distance.apply("frog", "fog"), 0.00001d);
81 assertEquals(1.0d, distance.apply("fly", "ant"), 0.00000000000000000001d);
82 assertEquals(0.55834d, distance.apply("elephant", "hippo"), 0.00001d);
83 assertEquals(0.09334d, distance.apply("ABC Corporation", "ABC Corp"), 0.00001d);
84 assertEquals(0.04749d, distance.apply("D N H Enterprises Inc", "D & H Enterprises, Inc."), 0.00001d);
85 assertEquals(0.058d, distance.apply("My Gym Children's Fitness Center", "My Gym. Childrens Fitness"), 0.00001d);
86 assertEquals(0.101982d, distance.apply("PENNSYLVANIA", "PENNCISYLVNIA"), 0.00001d);
87 assertEquals(0.028572d, distance.apply("/opt/software1", "/opt/software2"), 0.00001d);
88 assertEquals(0.058334d, distance.apply("aaabcd", "aaacdb"), 0.00001d);
89 assertEquals(0.088889d, distance.apply("John Horn", "John Hopkins"), 0.00001d);
90 assertEquals(0d, distance.apply("", ""), 0.00001d);
91 assertEquals(0d, distance.apply("foo", "foo"), 0.00001d);
92 assertEquals(1 - 0.94166d, distance.apply("foo", "foo "), 0.00001d);
93 assertEquals(1 - 0.90666d, distance.apply("foo", "foo "), 0.00001d);
94 assertEquals(1 - 0.86666d, distance.apply("foo", " foo "), 0.00001d);
95 assertEquals(1 - 0.51111d, distance.apply("foo", " foo"), 0.00001d);
96 }
97
98 }