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1   ///////////////////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3   // Copyright (C) 2001-2025 the original author or authors.
4   //
5   // This library is free software; you can redistribute it and/or
6   // modify it under the terms of the GNU Lesser General Public
7   // License as published by the Free Software Foundation; either
8   // version 2.1 of the License, or (at your option) any later version.
9   //
10  // This library is distributed in the hope that it will be useful,
11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  // Lesser General Public License for more details.
14  //
15  // You should have received a copy of the GNU Lesser General Public
16  // License along with this library; if not, write to the Free Software
17  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  ///////////////////////////////////////////////////////////////////////////////////////////////
19  
20  package org.checkstyle.suppressionxpathfilter.annotation;
21  
22  import java.io.File;
23  import java.util.Arrays;
24  import java.util.List;
25  
26  import org.checkstyle.suppressionxpathfilter.AbstractXpathTestSupport;
27  import org.junit.jupiter.api.Test;
28  
29  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
30  import com.puppycrawl.tools.checkstyle.checks.annotation.AnnotationLocationCheck;
31  
32  public class XpathRegressionAnnotationLocationTest extends AbstractXpathTestSupport {
33  
34      private final String checkName = AnnotationLocationCheck.class.getSimpleName();
35  
36      @Override
37      protected String getPackageLocation() {
38          return "org/checkstyle/suppressionxpathfilter/annotation/annotationlocation";
39      }
40  
41      @Override
42      protected String getCheckName() {
43          return checkName;
44      }
45  
46      @Test
47      public void testClass() throws Exception {
48          final File fileToProcess = new File(getPath(
49                  "InputXpathAnnotationLocationClass.java"));
50  
51          final DefaultConfiguration moduleConfig =
52                  createModuleConfig(AnnotationLocationCheck.class);
53  
54          final String[] expectedViolation = {
55              "6:1: " + getCheckMessage(AnnotationLocationCheck.class,
56                      AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE, "ClassAnnotation"),
57          };
58  
59          final List<String> expectedXpathQueries = Arrays.asList(
60                  "/COMPILATION_UNIT/CLASS_DEF"
61                          + "[./IDENT[@text='InputXpathAnnotationLocationClass']]",
62                  "/COMPILATION_UNIT/CLASS_DEF"
63                          + "[./IDENT[@text='InputXpathAnnotationLocationClass']]"
64                          + "/MODIFIERS",
65                  "/COMPILATION_UNIT/CLASS_DEF"
66                          + "[./IDENT[@text='InputXpathAnnotationLocationClass']]/"
67                          + "MODIFIERS/ANNOTATION[./IDENT[@text='ClassAnnotation']]",
68                  "/COMPILATION_UNIT/CLASS_DEF"
69                          + "[./IDENT[@text='InputXpathAnnotationLocationClass']]/"
70                          + "MODIFIERS/ANNOTATION[./IDENT[@text='ClassAnnotation']]/AT"
71          );
72  
73          runVerifications(moduleConfig, fileToProcess, expectedViolation,
74                  expectedXpathQueries);
75      }
76  
77      @Test
78      public void testInterface() throws Exception {
79          final File fileToProcess = new File(getPath(
80                  "InputXpathAnnotationLocationInterface.java"));
81  
82          final DefaultConfiguration moduleConfig =
83                  createModuleConfig(AnnotationLocationCheck.class);
84  
85          final String[] expectedViolation = {
86              "7:1: " + getCheckMessage(AnnotationLocationCheck.class,
87               AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
88                      "InterfaceAnnotation"),
89          };
90  
91          final List<String> expectedXpathQueries = Arrays.asList(
92              "/COMPILATION_UNIT/INTERFACE_DEF"
93                      + "[./IDENT[@text='"
94                      + "InputXpathAnnotationLocationInterface']]",
95              "/COMPILATION_UNIT/INTERFACE_DEF"
96                      + "[./IDENT[@text='InputXpathAnnotationLocationInterface'"
97                      + "]]/MODIFIERS",
98              "/COMPILATION_UNIT/INTERFACE_DEF"
99                      + "[./IDENT[@text='InputXpathAnnotationLocationInterface']]"
100                     + "/MODIFIERS/ANNOTATION[./IDENT[@text='InterfaceAnnotation']]",
101             "/COMPILATION_UNIT/INTERFACE_DEF"
102                     + "[./IDENT[@text='InputXpathAnnotationLocationInterface']]"
103                     + "/MODIFIERS/ANNOTATION[./IDENT[@text='InterfaceAnnotation']]/AT"
104         );
105 
106         runVerifications(moduleConfig, fileToProcess, expectedViolation,
107                 expectedXpathQueries);
108     }
109 
110     @Test
111     public void testEnum() throws Exception {
112         final File fileToProcess = new File(getPath(
113                 "InputXpathAnnotationLocationEnum.java"));
114 
115         final DefaultConfiguration moduleConfig =
116                 createModuleConfig(AnnotationLocationCheck.class);
117 
118         final String[] expectedViolation = {
119             "6:1: " + getCheckMessage(AnnotationLocationCheck.class,
120                     AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
121                     "EnumAnnotation"),
122         };
123 
124         final List<String> expectedXpathQueries = Arrays.asList(
125                 "/COMPILATION_UNIT/ENUM_DEF[./IDENT[@text='"
126                         + "InputXpathAnnotationLocationEnum']]",
127                 "/COMPILATION_UNIT/ENUM_DEF"
128                         + "[./IDENT[@text='InputXpathAnnotationLocationEnum']]"
129                         + "/MODIFIERS",
130                 "/COMPILATION_UNIT/ENUM_DEF"
131                         + "[./IDENT[@text='InputXpathAnnotationLocationEnum']]"
132                         + "/MODIFIERS/ANNOTATION[./IDENT[@text='EnumAnnotation']]",
133                 "/COMPILATION_UNIT/ENUM_DEF"
134                         + "[./IDENT[@text='InputXpathAnnotationLocationEnum']]"
135                         + "/MODIFIERS/ANNOTATION[./IDENT[@text='EnumAnnotation']]/AT"
136         );
137 
138         runVerifications(moduleConfig, fileToProcess, expectedViolation,
139                 expectedXpathQueries);
140 
141     }
142 
143     @Test
144     public void testMethod() throws Exception {
145         final File fileToProcess = new File(getPath(
146                 "InputXpathAnnotationLocationMethod.java"));
147 
148         final DefaultConfiguration moduleConfig =
149                 createModuleConfig(AnnotationLocationCheck.class);
150         moduleConfig.addProperty("tokens", "METHOD_DEF");
151 
152         final String[] expectedViolation = {
153             "4:6: " + getCheckMessage(AnnotationLocationCheck.class,
154                     AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
155                     "MethodAnnotation"),
156         };
157 
158         final List<String> expectedXpathQueries = Arrays.asList(
159                 "/COMPILATION_UNIT/CLASS_DEF"
160                         + "[./IDENT[@text='InputXpathAnnotationLocationMethod']]/"
161                         + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]",
162                 "/COMPILATION_UNIT/CLASS_DEF"
163                         + "[./IDENT[@text='InputXpathAnnotationLocationMethod']]/"
164                         + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]/MODIFIERS",
165                 "/COMPILATION_UNIT/CLASS_DEF"
166                         + "[./IDENT[@text='InputXpathAnnotationLocationMethod']]/"
167                         + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]/MODIFIERS/"
168                         + "ANNOTATION[./IDENT[@text='MethodAnnotation']]",
169                 "/COMPILATION_UNIT/CLASS_DEF"
170                         + "[./IDENT[@text='InputXpathAnnotationLocationMethod']]/"
171                         + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo1']]/MODIFIERS/"
172                         + "ANNOTATION[./IDENT[@text='MethodAnnotation']]/AT"
173         );
174 
175         runVerifications(moduleConfig, fileToProcess, expectedViolation,
176                 expectedXpathQueries);
177 
178     }
179 
180     @Test
181     public void testVariable() throws Exception {
182         final File fileToProcess = new File(getPath(
183                 "InputXpathAnnotationLocationVariable.java"));
184 
185         final DefaultConfiguration moduleConfig =
186                 createModuleConfig(AnnotationLocationCheck.class);
187         moduleConfig.addProperty("tokens", "VARIABLE_DEF");
188 
189         final String[] expectedViolation = {
190             "4:5: " + getCheckMessage(AnnotationLocationCheck.class,
191                     AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
192                     "VariableAnnotation"),
193         };
194 
195         final List<String> expectedXpathQueries = Arrays.asList(
196                 "/COMPILATION_UNIT/CLASS_DEF"
197                         + "[./IDENT[@text='InputXpathAnnotationLocationVariable']]/"
198                         + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]",
199                 "/COMPILATION_UNIT/CLASS_DEF"
200                         + "[./IDENT[@text='InputXpathAnnotationLocationVariable']]/"
201                         + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]/MODIFIERS",
202                 "/COMPILATION_UNIT/CLASS_DEF"
203                         + "[./IDENT[@text='InputXpathAnnotationLocationVariable']]/"
204                         + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]/MODIFIERS/"
205                         + "ANNOTATION[./IDENT[@text='VariableAnnotation']]",
206                 "/COMPILATION_UNIT/CLASS_DEF"
207                         + "[./IDENT[@text='InputXpathAnnotationLocationVariable']]/"
208                         + "OBJBLOCK/VARIABLE_DEF[./IDENT[@text='b']]/MODIFIERS/"
209                         + "ANNOTATION[./IDENT[@text='VariableAnnotation']]/AT"
210         );
211 
212         runVerifications(moduleConfig, fileToProcess, expectedViolation,
213                 expectedXpathQueries);
214 
215     }
216 
217     @Test
218     public void testConstructor() throws Exception {
219         final File fileToProcess = new File(getPath(
220                 "InputXpathAnnotationLocationCTOR.java"));
221 
222         final DefaultConfiguration moduleConfig =
223                 createModuleConfig(AnnotationLocationCheck.class);
224         moduleConfig.addProperty("tokens", "CTOR_DEF");
225 
226         final String[] expectedViolation = {
227             "4:5: " + getCheckMessage(AnnotationLocationCheck.class,
228                     AnnotationLocationCheck.MSG_KEY_ANNOTATION_LOCATION_ALONE,
229                     "CTORAnnotation"),
230         };
231 
232         final List<String> expectedXpathQueries = Arrays.asList(
233                 "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='"
234                         + "InputXpathAnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
235                         + "[./IDENT[@text='"
236                         + "InputXpathAnnotationLocationCTOR']]",
237                 "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='"
238                         + "InputXpathAnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
239                         + "[./IDENT[@text='"
240                         + "InputXpathAnnotationLocationCTOR']]/MODIFIERS",
241                 "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='"
242                         + "InputXpathAnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
243                         + "[./IDENT[@text='"
244                         + "InputXpathAnnotationLocationCTOR']]/"
245                         + "MODIFIERS/ANNOTATION[./IDENT[@text='CTORAnnotation']]",
246                 "/COMPILATION_UNIT/CLASS_DEF[./IDENT[@text='"
247                         + "InputXpathAnnotationLocationCTOR']]/OBJBLOCK/CTOR_DEF"
248                         + "[./IDENT[@text='"
249                         + "InputXpathAnnotationLocationCTOR']]/"
250                         + "MODIFIERS/ANNOTATION[./IDENT[@text='CTORAnnotation']]/AT"
251         );
252 
253         runVerifications(moduleConfig, fileToProcess, expectedViolation,
254                 expectedXpathQueries);
255 
256     }
257 
258 }