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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.EqualsHashCodeCheck;
31
32 public class XpathRegressionEqualsHashCodeTest extends AbstractXpathTestSupport {
33
34 @Override
35 protected String getCheckName() {
36 return EqualsHashCodeCheck.class.getSimpleName();
37 }
38
39 @Override
40 public String getPackageLocation() {
41 return "org/checkstyle/suppressionxpathfilter/coding/equalshashcode";
42 }
43
44 @Test
45 public void testEqualsOnly() throws Exception {
46 final File fileToProcess = new File(
47 getPath("InputXpathEqualsHashCodeEqualsOnly.java"));
48
49 final DefaultConfiguration moduleConfig = createModuleConfig(EqualsHashCodeCheck.class);
50
51 final String[] expectedViolation = {
52 "4:5: " + getCheckMessage(EqualsHashCodeCheck.class,
53 EqualsHashCodeCheck.MSG_KEY_HASHCODE),
54 };
55
56 final List<String> expectedXpathQueries = Arrays.asList(
57 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
58 + "[@text='InputXpathEqualsHashCodeEqualsOnly']]"
59 + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='equals']]",
60 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
61 + "[@text='InputXpathEqualsHashCodeEqualsOnly']]/OBJBLOCK/"
62 + "METHOD_DEF[./IDENT[@text='equals']]/MODIFIERS",
63 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
64 + "[@text='InputXpathEqualsHashCodeEqualsOnly']]/OBJBLOCK/"
65 + "METHOD_DEF[./IDENT[@text='equals']]/MODIFIERS/LITERAL_PUBLIC"
66 );
67
68 runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
69 }
70
71 @Test
72 public void testHashCodeOnly() throws Exception {
73 final File fileToProcess = new File(
74 getPath("InputXpathEqualsHashCodeHashCodeOnly.java"));
75
76 final DefaultConfiguration moduleConfig = createModuleConfig(EqualsHashCodeCheck.class);
77
78 final String[] expectedViolation = {
79 "4:5: " + getCheckMessage(EqualsHashCodeCheck.class,
80 EqualsHashCodeCheck.MSG_KEY_EQUALS),
81 };
82
83 final List<String> expectedXpathQueries = Arrays.asList(
84 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
85 + "[@text='InputXpathEqualsHashCodeHashCodeOnly']]"
86 + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='hashCode']]",
87 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
88 + "[@text='InputXpathEqualsHashCodeHashCodeOnly']]"
89 + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='hashCode']]/MODIFIERS",
90 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
91 + "[@text='InputXpathEqualsHashCodeHashCodeOnly']]"
92 + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='hashCode']]/MODIFIERS/LITERAL_PUBLIC"
93 );
94
95 runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
96 }
97
98 @Test
99 public void testNestedCase() throws Exception {
100 final File fileToProcess = new File(
101 getPath("InputXpathEqualsHashCodeNestedCase.java"));
102
103 final DefaultConfiguration moduleConfig = createModuleConfig(EqualsHashCodeCheck.class);
104
105 final String[] expectedViolation = {
106 "5:9: " + getCheckMessage(EqualsHashCodeCheck.class,
107 EqualsHashCodeCheck.MSG_KEY_HASHCODE),
108 };
109
110 final List<String> expectedXpathQueries = Arrays.asList(
111 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
112 + "[@text='InputXpathEqualsHashCodeNestedCase']]"
113 + "/OBJBLOCK/CLASS_DEF[./IDENT[@text='innerClass']]"
114 + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='equals']]",
115 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
116 + "[@text='InputXpathEqualsHashCodeNestedCase']]"
117 + "/OBJBLOCK/CLASS_DEF[./IDENT[@text='innerClass']]"
118 + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='equals']]/MODIFIERS",
119 "/COMPILATION_UNIT/CLASS_DEF[./IDENT"
120 + "[@text='InputXpathEqualsHashCodeNestedCase']]"
121 + "/OBJBLOCK/CLASS_DEF[./IDENT[@text='innerClass']]"
122 + "/OBJBLOCK/METHOD_DEF[./IDENT[@text='equals']]"
123 + "/MODIFIERS/LITERAL_PUBLIC"
124 );
125
126 runVerifications(moduleConfig, fileToProcess, expectedViolation, expectedXpathQueries);
127 }
128
129 }