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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.Collections;
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.HiddenFieldCheck;
30  
31  public class XpathRegressionHiddenFieldTest extends AbstractXpathTestSupport {
32  
33      private final String checkName = HiddenFieldCheck.class.getSimpleName();
34  
35      @Override
36      protected String getCheckName() {
37          return checkName;
38      }
39  
40      @Test
41      public void testLambdaExpInMethodCall() throws Exception {
42          final File fileToProcess =
43                  new File(getPath("InputXpathHiddenFieldLambdaExpInMethodCall.java"));
44  
45          final DefaultConfiguration moduleConfig =
46                  createModuleConfig(HiddenFieldCheck.class);
47  
48          final String[] expectedViolation = {
49              "10:34: " + getCheckMessage(HiddenFieldCheck.class,
50                  HiddenFieldCheck.MSG_KEY, "value"),
51          };
52  
53          final List<String> expectedXpathQueries = Collections.singletonList(
54              "/COMPILATION_UNIT/CLASS_DEF"
55                  + "[./IDENT[@text='InputXpathHiddenFieldLambdaExpInMethodCall']]/OBJBLOCK"
56                  + "/INSTANCE_INIT/SLIST/EXPR/METHOD_CALL/ELIST/LAMBDA/PARAMETERS"
57                  + "/PARAMETER_DEF/IDENT[@text='value']"
58          );
59  
60          runVerifications(moduleConfig, fileToProcess, expectedViolation,
61                  expectedXpathQueries);
62      }
63  
64      @Test
65      public void testMethodParam() throws Exception {
66          final File fileToProcess =
67                  new File(getPath("InputXpathHiddenFieldMethodParam.java"));
68  
69          final DefaultConfiguration moduleConfig =
70                  createModuleConfig(HiddenFieldCheck.class);
71  
72          final String[] expectedViolation = {
73              "8:45: " + getCheckMessage(HiddenFieldCheck.class,
74                  HiddenFieldCheck.MSG_KEY, "other"),
75          };
76  
77          final List<String> expectedXpathQueries = Collections.singletonList(
78              "/COMPILATION_UNIT/CLASS_DEF"
79                  + "[./IDENT[@text='InputXpathHiddenFieldMethodParam']]/OBJBLOCK"
80                  + "/METHOD_DEF[./IDENT[@text='method']]/PARAMETERS/PARAMETER_DEF"
81                  + "/IDENT[@text='other']"
82          );
83  
84          runVerifications(moduleConfig, fileToProcess, expectedViolation,
85                  expectedXpathQueries);
86      }
87  }