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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.coding.MultipleVariableDeclarationsCheck;
30  
31  public class XpathRegressionMultipleVariableDeclarationsTest extends AbstractXpathTestSupport {
32  
33      private final String checkName = MultipleVariableDeclarationsCheck.class.getSimpleName();
34  
35      @Override
36      protected String getCheckName() {
37          return checkName;
38      }
39  
40      @Test
41      public void testCommaSeparator() throws Exception {
42          final File fileToProcess = new File(
43                  getPath("InputXpathMultipleVariableDeclarationsCommaSeparator.java"));
44  
45          final DefaultConfiguration moduleConfig =
46                  createModuleConfig(MultipleVariableDeclarationsCheck.class);
47  
48          final String[] expectedViolation = {
49              "4:5: " + getCheckMessage(MultipleVariableDeclarationsCheck.class,
50                  MultipleVariableDeclarationsCheck.MSG_MULTIPLE_COMMA),
51          };
52  
53          final List<String> expectedXpathQueries = Arrays.asList(
54              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
55                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
56                  + "/VARIABLE_DEF[./IDENT[@text='i']]",
57              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
58                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
59                  + "/VARIABLE_DEF[./IDENT[@text='i']]/MODIFIERS",
60              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
61                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
62                  + "/VARIABLE_DEF[./IDENT[@text='i']]/TYPE",
63              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
64                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
65                  + "/VARIABLE_DEF[./IDENT[@text='i']]/TYPE/LITERAL_INT",
66              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
67                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
68                  + "/VARIABLE_DEF[./IDENT[@text='j']]",
69              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
70                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
71                  + "/VARIABLE_DEF[./IDENT[@text='j']]/MODIFIERS",
72              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
73                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
74                  + "/VARIABLE_DEF[./IDENT[@text='j']]/TYPE",
75              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
76                  + "@text='InputXpathMultipleVariableDeclarationsCommaSeparator']]/OBJBLOCK"
77                  + "/VARIABLE_DEF[./IDENT[@text='j']]/TYPE/LITERAL_INT"
78          );
79  
80          runVerifications(moduleConfig, fileToProcess, expectedViolation,
81                  expectedXpathQueries);
82      }
83  
84      @Test
85      public void testMultipleVariableDeclarations() throws Exception {
86          final File fileToProcess = new File(
87                  getPath("InputXpathMultipleVariableDeclarations.java"));
88  
89          final DefaultConfiguration moduleConfig =
90                  createModuleConfig(MultipleVariableDeclarationsCheck.class);
91  
92          final String[] expectedViolation = {
93              "4:5: " + getCheckMessage(MultipleVariableDeclarationsCheck.class,
94                  MultipleVariableDeclarationsCheck.MSG_MULTIPLE),
95          };
96  
97          final List<String> expectedXpathQueries = Arrays.asList(
98              "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
99                  + "@text='InputXpathMultipleVariableDeclarations']]/OBJBLOCK"
100                 + "/VARIABLE_DEF[./IDENT[@text='i1']]",
101             "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
102                 + "@text='InputXpathMultipleVariableDeclarations']]/OBJBLOCK"
103                 + "/VARIABLE_DEF[./IDENT[@text='i1']]/MODIFIERS",
104             "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
105                 + "@text='InputXpathMultipleVariableDeclarations']]/OBJBLOCK"
106                 + "/VARIABLE_DEF[./IDENT[@text='i1']]/TYPE",
107             "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
108                 + "@text='InputXpathMultipleVariableDeclarations']]/OBJBLOCK"
109                 + "/VARIABLE_DEF[./IDENT[@text='i1']]/TYPE/LITERAL_INT"
110         );
111 
112         runVerifications(moduleConfig, fileToProcess, expectedViolation,
113                 expectedXpathQueries);
114     }
115 }