1
2
3
4 package de.powerstat.validation.values.test;
5
6
7 import static org.junit.jupiter.api.Assertions.assertAll;
8 import static org.junit.jupiter.api.Assertions.assertEquals;
9 import static org.junit.jupiter.api.Assertions.assertFalse;
10 import static org.junit.jupiter.api.Assertions.assertNotEquals;
11 import static org.junit.jupiter.api.Assertions.assertThrows;
12 import static org.junit.jupiter.api.Assertions.assertTrue;
13
14 import org.junit.jupiter.api.Test;
15 import org.junit.jupiter.params.ParameterizedTest;
16 import org.junit.jupiter.params.provider.ValueSource;
17
18 import de.powerstat.validation.values.Language;
19 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
20
21
22
23
24
25 @SuppressFBWarnings({"EC_NULL_ARG", "RV_NEGATING_RESULT_OF_COMPARETO", "RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT", "SPP_USE_ZERO_WITH_COMPARATOR"})
26 final class LanguageTests
27 {
28
29
30
31 private static final String FR = "fr";
32
33
34
35
36 private static final String DE = "de";
37
38
39
40
41 private static final String ILLEGAL_ARGUMENT = "Illegal argument exception expected";
42
43
44
45
46 private static final String LANGUAGE_CODE_NOT_AS_EXPECTED = "Language code not as expected";
47
48
49
50
51
52 LanguageTests()
53 {
54 super();
55 }
56
57
58
59
60
61
62
63 @ParameterizedTest
64 @ValueSource(strings = {LanguageTests.DE})
65 void testLanguageOk0(final String code)
66 {
67 final Language cleanLanguage = Language.of(code);
68 assertEquals(code, cleanLanguage.stringValue(), LanguageTests.LANGUAGE_CODE_NOT_AS_EXPECTED);
69 }
70
71
72
73
74
75
76
77 @ParameterizedTest
78 @ValueSource(strings = {"d", "dea"})
79 void testLanguageLength(final String code)
80 {
81 assertThrows(IllegalArgumentException.class, () ->
82 {
83 Language.of(code);
84 }, LanguageTests.ILLEGAL_ARGUMENT
85 );
86 }
87
88
89
90
91
92
93
94 @ParameterizedTest
95 @ValueSource(strings = {"d~", "zz"})
96 void testCountryIllegalParameters(final String code)
97 {
98 assertThrows(IllegalArgumentException.class, () ->
99 {
100 Language.of(code);
101 }, LanguageTests.ILLEGAL_ARGUMENT
102 );
103 }
104
105
106
107
108
109 @Test
110 void testStringValue()
111 {
112 final Language language = Language.of(LanguageTests.DE);
113 assertEquals(LanguageTests.DE, language.stringValue(), LanguageTests.LANGUAGE_CODE_NOT_AS_EXPECTED);
114 }
115
116
117
118
119
120 @Test
121 void testHashCode()
122 {
123 final Language language1 = Language.of(LanguageTests.DE);
124 final Language language2 = Language.of(LanguageTests.DE);
125 final Language language3 = Language.of(LanguageTests.FR);
126 assertAll("testHashCode",
127 () -> assertEquals(language1.hashCode(), language2.hashCode(), "hashCodes are not equal"),
128 () -> assertNotEquals(language1.hashCode(), language3.hashCode(), "hashCodes are equal")
129 );
130 }
131
132
133
134
135
136 @Test
137 @SuppressWarnings("java:S5785")
138 void testEquals()
139 {
140 final Language language1 = Language.of(LanguageTests.DE);
141 final Language language2 = Language.of(LanguageTests.DE);
142 final Language language3 = Language.of(LanguageTests.FR);
143 final Language language4 = Language.of(LanguageTests.DE);
144 assertAll("testEquals",
145 () -> assertTrue(language1.equals(language1), "language11 is not equal"),
146 () -> assertTrue(language1.equals(language2), "language12 are not equal"),
147 () -> assertTrue(language2.equals(language1), "language21 are not equal"),
148 () -> assertTrue(language2.equals(language4), "language24 are not equal"),
149 () -> assertTrue(language1.equals(language4), "language14 are not equal"),
150 () -> assertFalse(language1.equals(language3), "language13 are equal"),
151 () -> assertFalse(language3.equals(language1), "language31 are equal"),
152 () -> assertFalse(language1.equals(null), "language10 is equal")
153 );
154 }
155
156
157
158
159
160 @Test
161 void testToString()
162 {
163 final Language language = Language.of(LanguageTests.DE);
164 assertEquals("Language[code=de]", language.toString(), "toString not equal");
165 }
166
167
168
169
170
171 @Test
172 @SuppressWarnings("java:S5785")
173 void testCompareTo()
174 {
175 final Language language1 = Language.of(LanguageTests.DE);
176 final Language language2 = Language.of(LanguageTests.DE);
177 final Language language3 = Language.of("en");
178 final Language language4 = Language.of(LanguageTests.FR);
179 final Language language5 = Language.of(LanguageTests.DE);
180 assertAll("testCompareTo",
181 () -> assertTrue(language1.compareTo(language2) == -language2.compareTo(language1), "reflexive1"),
182 () -> assertTrue(language1.compareTo(language3) == -language3.compareTo(language1), "reflexive2"),
183 () -> assertTrue((language4.compareTo(language3) > 0) && (language3.compareTo(language1) > 0) && (language4.compareTo(language1) > 0), "transitive1"),
184 () -> assertTrue((language1.compareTo(language2) == 0) && (Math.abs(language1.compareTo(language5)) == Math.abs(language2.compareTo(language5))), "sgn1"),
185 () -> assertTrue((language1.compareTo(language2) == 0) && language1.equals(language2), "equals")
186 );
187 }
188
189 }