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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) 2001-2024 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;
21  
22  import java.io.File;
23  import java.util.Arrays;
24  import java.util.List;
25  
26  import org.junit.jupiter.api.Test;
27  
28  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
29  import com.puppycrawl.tools.checkstyle.checks.metrics.CyclomaticComplexityCheck;
30  
31  public class XpathRegressionCyclomaticComplexityTest extends AbstractXpathTestSupport {
32  
33      private final String checkName = CyclomaticComplexityCheck.class.getSimpleName();
34  
35      @Override
36      protected String getCheckName() {
37          return checkName;
38      }
39  
40      @Test
41      public void testConditionals() throws Exception {
42  
43          final File fileToProcess =
44                  new File(getPath("InputXpathCyclomaticComplexityConditionals.java"));
45  
46          final DefaultConfiguration moduleConfig =
47                  createModuleConfig(CyclomaticComplexityCheck.class);
48          moduleConfig.addProperty("max", "0");
49  
50          final String[] expectedViolation = {
51              "4:5: " + getCheckMessage(CyclomaticComplexityCheck.class,
52                      CyclomaticComplexityCheck.MSG_KEY, 2, 0),
53          };
54  
55          final List<String> expectedXpathQueries = Arrays.asList(
56              "/COMPILATION_UNIT/CLASS_DEF"
57                  + "[./IDENT[@text='InputXpathCyclomaticComplexityConditionals']]"
58                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='test']]",
59              "/COMPILATION_UNIT/CLASS_DEF"
60                  + "[./IDENT[@text='InputXpathCyclomaticComplexityConditionals']]"
61                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='test']]/MODIFIERS",
62              "/COMPILATION_UNIT/CLASS_DEF"
63                  + "[./IDENT[@text='InputXpathCyclomaticComplexityConditionals']]"
64                  + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='test']]/MODIFIERS/LITERAL_PUBLIC"
65                  );
66  
67          runVerifications(moduleConfig, fileToProcess, expectedViolation,
68                  expectedXpathQueries);
69      }
70  
71      @Test
72      public void testSwitchBlock() throws Exception {
73          final File fileToProcess =
74                  new File(getPath("InputXpathCyclomaticComplexitySwitchBlock.java"));
75  
76          final DefaultConfiguration moduleConfig =
77                  createModuleConfig(CyclomaticComplexityCheck.class);
78          moduleConfig.addProperty("max", "0");
79  
80          final String[] expectedViolation = {
81              "6:5: " + getCheckMessage(CyclomaticComplexityCheck.class,
82                      CyclomaticComplexityCheck.MSG_KEY, 5, 0),
83          };
84  
85          final List<String> expectedXpathQueries = Arrays.asList(
86              "/COMPILATION_UNIT/CLASS_DEF"
87                      + "[./IDENT[@text='InputXpathCyclomaticComplexitySwitchBlock']]"
88                      + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='foo2']]",
89              "/COMPILATION_UNIT/CLASS_DEF"
90                      + "[./IDENT[@text='InputXpathCyclomaticComplexitySwitchBlock']]"
91                      + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='foo2']]/MODIFIERS",
92              "/COMPILATION_UNIT/CLASS_DEF"
93                      + "[./IDENT[@text='InputXpathCyclomaticComplexitySwitchBlock']]"
94                      + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='foo2']]/MODIFIERS/LITERAL_PUBLIC"
95          );
96  
97          runVerifications(moduleConfig, fileToProcess, expectedViolation,
98                  expectedXpathQueries);
99      }
100 }