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20 package org.checkstyle.suppressionxpathfilter.coding;
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.coding.UnusedLocalVariableCheck;
31
32 public class XpathRegressionUnusedLocalVariableTest extends AbstractXpathTestSupport {
33 private final String checkName = UnusedLocalVariableCheck.class.getSimpleName();
34
35 @Override
36 protected String getCheckName() {
37 return checkName;
38 }
39
40 @Override
41 protected String getPackageLocation() {
42 return "org/checkstyle/suppressionxpathfilter/coding/unusedlocalvariable";
43 }
44
45 @Test
46 public void testOne() throws Exception {
47 final File fileToProcess = new File(getPath(
48 "InputXpathUnusedLocalVariableOne.java"));
49
50 final DefaultConfiguration moduleConfig =
51 createModuleConfig(UnusedLocalVariableCheck.class);
52
53 final String[] expectedViolation = {
54 "6:9: " + getCheckMessage(UnusedLocalVariableCheck.class,
55 UnusedLocalVariableCheck.MSG_UNUSED_NAMED_LOCAL_VARIABLE, "a"),
56 };
57
58 final List<String> expectedXpathQueries = Arrays.asList(
59 "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
60 + "@text='InputXpathUnusedLocalVariableOne']]/OBJBLOCK/"
61 + "METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF[./IDENT[@text='a']]",
62 "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
63 + "@text='InputXpathUnusedLocalVariableOne']]/OBJBLOCK/"
64 + "METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF["
65 + "./IDENT[@text='a']]/MODIFIERS",
66 "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
67 + "@text='InputXpathUnusedLocalVariableOne']]/OBJBLOCK/"
68 + "METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF["
69 + "./IDENT[@text='a']]/TYPE",
70 "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
71 + "@text='InputXpathUnusedLocalVariableOne']]/OBJBLOCK/"
72 + "METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF["
73 + "./IDENT[@text='a']]/TYPE/LITERAL_INT"
74 );
75
76 runVerifications(moduleConfig, fileToProcess, expectedViolation,
77 expectedXpathQueries);
78 }
79
80 @Test
81 public void testTwo() throws Exception {
82 final File fileToProcess = new File(getPath(
83 "InputXpathUnusedLocalVariableTwo.java"));
84
85 final DefaultConfiguration moduleConfig =
86 createModuleConfig(UnusedLocalVariableCheck.class);
87 moduleConfig.addProperty("allowUnnamedVariables", "false");
88
89 final String[] expectedViolation = {
90 "10:9: " + getCheckMessage(UnusedLocalVariableCheck.class,
91 UnusedLocalVariableCheck.MSG_UNUSED_LOCAL_VARIABLE, "b"),
92 };
93
94 final List<String> expectedXpathQueries = Arrays.asList(
95 "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
96 + "@text='InputXpathUnusedLocalVariableTwo']]/OBJBLOCK/"
97 + "METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF[./IDENT[@text='b']]",
98 "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
99 + "@text='InputXpathUnusedLocalVariableTwo']]/OBJBLOCK/"
100 + "METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF["
101 + "./IDENT[@text='b']]/MODIFIERS",
102 "/COMPILATION_UNIT/CLASS_DEF[./IDENT["
103 + "@text='InputXpathUnusedLocalVariableTwo']]/OBJBLOCK/"
104 + "METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF["
105 + "./IDENT[@text='b']]/TYPE", "/COMPILATION_UNIT/CLASS_DEF["
106 + "./IDENT[@text='InputXpathUnusedLocalVariableTwo']]/"
107 + "OBJBLOCK/METHOD_DEF[./IDENT[@text='foo']]/SLIST/VARIABLE_DEF["
108 + "./IDENT[@text='b']]/TYPE/LITERAL_INT"
109 );
110
111 runVerifications(moduleConfig, fileToProcess, expectedViolation,
112 expectedXpathQueries);
113
114 }
115 }