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20 package com.puppycrawl.tools.checkstyle.checks.metrics;
21
22 import static com.google.common.truth.Truth.assertWithMessage;
23 import static com.puppycrawl.tools.checkstyle.checks.metrics.JavaNCSSCheck.MSG_CLASS;
24 import static com.puppycrawl.tools.checkstyle.checks.metrics.JavaNCSSCheck.MSG_FILE;
25 import static com.puppycrawl.tools.checkstyle.checks.metrics.JavaNCSSCheck.MSG_METHOD;
26 import static com.puppycrawl.tools.checkstyle.checks.metrics.JavaNCSSCheck.MSG_RECORD;
27
28 import org.junit.jupiter.api.Test;
29
30 import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
31 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
32 import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
33
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38
39 public class JavaNCSSCheckTest extends AbstractModuleTestSupport {
40
41 @Override
42 protected String getPackageLocation() {
43 return "com/puppycrawl/tools/checkstyle/checks/metrics/javancss";
44 }
45
46 @Test
47 public void test() throws Exception {
48
49 final String[] expected = {
50 "12:1: " + getCheckMessage(MSG_FILE, 39, 2),
51 "19:1: " + getCheckMessage(MSG_CLASS, 22, 1),
52 "24:3: " + getCheckMessage(MSG_METHOD, 2, 0),
53 "31:3: " + getCheckMessage(MSG_METHOD, 4, 0),
54 "40:3: " + getCheckMessage(MSG_METHOD, 12, 0),
55 "52:7: " + getCheckMessage(MSG_METHOD, 2, 0),
56 "59:3: " + getCheckMessage(MSG_CLASS, 2, 1),
57 "66:1: " + getCheckMessage(MSG_CLASS, 10, 1),
58 "71:3: " + getCheckMessage(MSG_METHOD, 8, 0),
59 "90:1: " + getCheckMessage(MSG_CLASS, 4, 1),
60 "91:3: " + getCheckMessage(MSG_METHOD, 1, 0),
61 "92:3: " + getCheckMessage(MSG_METHOD, 1, 0),
62 "93:3: " + getCheckMessage(MSG_METHOD, 1, 0),
63 };
64
65 verifyWithInlineConfigParser(
66 getPath("InputJavaNCSS.java"), expected);
67 }
68
69 @Test
70 public void testEqualToMax() throws Exception {
71
72 final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
73
74 verifyWithInlineConfigParser(
75 getPath("InputJavaNCSS2.java"), expected);
76 }
77
78 @Test
79 public void testDefaultConfiguration() throws Exception {
80 final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
81 verifyWithInlineConfigParser(
82 getPath("InputJavaNCSS3.java"), expected);
83 }
84
85 @Test
86 public void testRecordsAndCompactCtors() throws Exception {
87
88 final String[] expected = {
89 "12:1: " + getCheckMessage(MSG_FILE, 89, 2),
90 "16:1: " + getCheckMessage(MSG_CLASS, 87, 3),
91 "18:3: " + getCheckMessage(MSG_CLASS, 7, 3),
92 "36:3: " + getCheckMessage(MSG_RECORD, 6, 4),
93 "45:3: " + getCheckMessage(MSG_RECORD, 15, 4),
94 "56:5: " + getCheckMessage(MSG_METHOD, 8, 7),
95 "75:3: " + getCheckMessage(MSG_RECORD, 6, 4),
96 "109:3: " + getCheckMessage(MSG_RECORD, 8, 4),
97 "130:3: " + getCheckMessage(MSG_CLASS, 11, 3),
98 "151:3: " + getCheckMessage(MSG_RECORD, 12, 4),
99 "152:5: " + getCheckMessage(MSG_METHOD, 11, 7),
100 "166:3: " + getCheckMessage(MSG_CLASS, 12, 3),
101 "167:5: " + getCheckMessage(MSG_METHOD, 11, 7),
102 };
103
104 verifyWithInlineConfigParser(
105 getNonCompilablePath("InputJavaNCSSRecordsAndCompactCtors.java"),
106 expected);
107 }
108
109 @Test
110 public void testForMutation() throws Exception {
111 final String[] expected = {
112 "13:1: " + getCheckMessage(MSG_CLASS, 84, 80),
113 "16:5: " + getCheckMessage(MSG_CLASS, 83, 80),
114 };
115 verifyWithInlineConfigParser(
116 getPath("InputJavaNCSSResolveMutation.java"),
117 expected);
118 }
119
120 @Test
121 public void testRecordMax() throws Exception {
122 final String[] expected = {
123 "14:1: " + getCheckMessage(MSG_CLASS, 152, 80),
124 "15:5: " + getCheckMessage(MSG_RECORD, 151, 150),
125 };
126
127 verifyWithInlineConfigParser(
128 getNonCompilablePath("InputJavaNCSSRecordsMax.java"),
129 expected);
130 }
131
132 @Test
133 public void testGetAcceptableTokens() {
134 final JavaNCSSCheck javaNcssCheckObj = new JavaNCSSCheck();
135 final int[] actual = javaNcssCheckObj.getAcceptableTokens();
136 final int[] expected = {
137 TokenTypes.CLASS_DEF,
138 TokenTypes.INTERFACE_DEF,
139 TokenTypes.METHOD_DEF,
140 TokenTypes.CTOR_DEF,
141 TokenTypes.INSTANCE_INIT,
142 TokenTypes.STATIC_INIT,
143 TokenTypes.PACKAGE_DEF,
144 TokenTypes.IMPORT,
145 TokenTypes.VARIABLE_DEF,
146 TokenTypes.CTOR_CALL,
147 TokenTypes.SUPER_CTOR_CALL,
148 TokenTypes.LITERAL_IF,
149 TokenTypes.LITERAL_ELSE,
150 TokenTypes.LITERAL_WHILE,
151 TokenTypes.LITERAL_DO,
152 TokenTypes.LITERAL_FOR,
153 TokenTypes.LITERAL_SWITCH,
154 TokenTypes.LITERAL_BREAK,
155 TokenTypes.LITERAL_CONTINUE,
156 TokenTypes.LITERAL_RETURN,
157 TokenTypes.LITERAL_THROW,
158 TokenTypes.LITERAL_SYNCHRONIZED,
159 TokenTypes.LITERAL_CATCH,
160 TokenTypes.LITERAL_FINALLY,
161 TokenTypes.EXPR,
162 TokenTypes.LABELED_STAT,
163 TokenTypes.LITERAL_CASE,
164 TokenTypes.LITERAL_DEFAULT,
165 TokenTypes.RECORD_DEF,
166 TokenTypes.COMPACT_CTOR_DEF,
167 };
168 assertWithMessage("Acceptable tokens should not be null")
169 .that(actual)
170 .isNotNull();
171 assertWithMessage("Invalid acceptable tokens")
172 .that(actual)
173 .isEqualTo(expected);
174 }
175
176 @Test
177 public void testGetRequiredTokens() {
178 final JavaNCSSCheck javaNcssCheckObj = new JavaNCSSCheck();
179 final int[] actual = javaNcssCheckObj.getRequiredTokens();
180 final int[] expected = {
181 TokenTypes.CLASS_DEF,
182 TokenTypes.INTERFACE_DEF,
183 TokenTypes.METHOD_DEF,
184 TokenTypes.CTOR_DEF,
185 TokenTypes.INSTANCE_INIT,
186 TokenTypes.STATIC_INIT,
187 TokenTypes.PACKAGE_DEF,
188 TokenTypes.IMPORT,
189 TokenTypes.VARIABLE_DEF,
190 TokenTypes.CTOR_CALL,
191 TokenTypes.SUPER_CTOR_CALL,
192 TokenTypes.LITERAL_IF,
193 TokenTypes.LITERAL_ELSE,
194 TokenTypes.LITERAL_WHILE,
195 TokenTypes.LITERAL_DO,
196 TokenTypes.LITERAL_FOR,
197 TokenTypes.LITERAL_SWITCH,
198 TokenTypes.LITERAL_BREAK,
199 TokenTypes.LITERAL_CONTINUE,
200 TokenTypes.LITERAL_RETURN,
201 TokenTypes.LITERAL_THROW,
202 TokenTypes.LITERAL_SYNCHRONIZED,
203 TokenTypes.LITERAL_CATCH,
204 TokenTypes.LITERAL_FINALLY,
205 TokenTypes.EXPR,
206 TokenTypes.LABELED_STAT,
207 TokenTypes.LITERAL_CASE,
208 TokenTypes.LITERAL_DEFAULT,
209 TokenTypes.RECORD_DEF,
210 TokenTypes.COMPACT_CTOR_DEF,
211 };
212 assertWithMessage("Required tokens should not be null")
213 .that(actual)
214 .isNotNull();
215 assertWithMessage("Invalid required tokens")
216 .that(actual)
217 .isEqualTo(expected);
218 }
219
220 }