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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.blocks;
21  
22  import java.io.File;
23  import java.util.Collections;
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.blocks.EmptyCatchBlockCheck;
31  
32  public class XpathRegressionEmptyCatchBlockTest extends AbstractXpathTestSupport {
33      private static final Class<EmptyCatchBlockCheck> CLAZZ =
34          EmptyCatchBlockCheck.class;
35  
36      @Override
37      protected String getPackageLocation() {
38          return "org/checkstyle/suppressionxpathfilter/blocks/emptycatchblock";
39      }
40  
41      @Override
42      protected String getCheckName() {
43          return CLAZZ.getSimpleName();
44      }
45  
46      @Test
47      public void testOne() throws Exception {
48          final File fileToProcess = new File(
49              getPath("InputXpathEmptyCatchBlockOne.java"));
50  
51          final DefaultConfiguration moduleConfig = createModuleConfig(CLAZZ);
52  
53          final String[] expectedViolation = {
54              "8:38: " + getCheckMessage(CLAZZ, EmptyCatchBlockCheck.MSG_KEY_CATCH_BLOCK_EMPTY),
55          };
56  
57          final List<String> expectedXpathQueries = Collections.singletonList(
58              "/COMPILATION_UNIT/CLASS_DEF"
59                  + "[./IDENT[@text='InputXpathEmptyCatchBlockOne']]"
60                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='main']]"
61                  + "/SLIST/LITERAL_TRY/LITERAL_CATCH/SLIST"
62          );
63  
64          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
65      }
66  
67      @Test
68      public void testTwo() throws Exception {
69          final File fileToProcess = new File(
70              getPath("InputXpathEmptyCatchBlockTwo.java"));
71  
72          final DefaultConfiguration moduleConfig = createModuleConfig(CLAZZ);
73  
74          final String[] expectedViolation = {
75              "8:47: " + getCheckMessage(CLAZZ, EmptyCatchBlockCheck.MSG_KEY_CATCH_BLOCK_EMPTY),
76          };
77  
78          final List<String> expectedXpathQueries = Collections.singletonList(
79              "/COMPILATION_UNIT/CLASS_DEF"
80                  + "[./IDENT[@text='InputXpathEmptyCatchBlockTwo']]"
81                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='main']]"
82                  + "/SLIST/LITERAL_TRY/LITERAL_CATCH/SLIST"
83          );
84  
85          runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
86      }
87  
88  }