1
2
3
4
5 package com.qulice.checkstyle;
6
7 import com.qulice.spi.Environment;
8 import com.qulice.spi.Violation;
9 import java.io.File;
10 import java.io.IOException;
11 import java.util.Collection;
12 import org.cactoos.io.ResourceOf;
13 import org.cactoos.text.FormattedText;
14 import org.cactoos.text.IoCheckedText;
15 import org.cactoos.text.TextOf;
16 import org.hamcrest.MatcherAssert;
17 import org.hamcrest.Matchers;
18 import org.junit.jupiter.api.Assertions;
19 import org.junit.jupiter.api.Test;
20
21
22
23
24
25
26
27 final class UnusedSuppressionTest {
28
29 @Test
30 void rejectsNearbySuppressionThatCoversNoViolation() throws Exception {
31 final String file = "UnusedSuppression.java";
32 MatcherAssert.assertThat(
33 "A nearby suppression of a check that never fires must be reported",
34 this.runValidation(file, false),
35 Matchers.hasItem(
36 new ViolationMatcher(
37 "This suppression covers no violation of \"LineLengthCheck\"",
38 file, "4", "UnusedSuppressionCheck"
39 )
40 )
41 );
42 }
43
44 @Test
45 void rejectsDisableSuppressionThatCoversNoViolation() throws Exception {
46 final String file = "UnusedDisableSuppression.java";
47 MatcherAssert.assertThat(
48 "A disable suppression of a check that never fires must be reported",
49 this.runValidation(file, false),
50 Matchers.hasItem(
51 new ViolationMatcher(
52 "This suppression covers no violation of \"LineLengthCheck\"",
53 file, "4", "UnusedSuppressionCheck"
54 )
55 )
56 );
57 }
58
59 @Test
60 void acceptsSuppressionThatCoversAViolation() throws Exception {
61 Assertions.assertDoesNotThrow(
62 () -> this.runValidation("KnownSuppression.java", true)
63 );
64 }
65
66 private Collection<Violation> runValidation(final String file,
67 final boolean passes) throws IOException {
68 final Environment.Mock mock = new Environment.Mock();
69 final Environment env = mock.withParam(
70 "license",
71 String.format(
72 "file:%s",
73 new License().savePackageInfo(
74 new File(mock.basedir(), "src/main/java/foo")
75 ).withLines("Hello.")
76 .withEol(String.valueOf('\n')).file()
77 )
78 ).withFile(
79 String.format("src/main/java/foo/%s", file),
80 new IoCheckedText(
81 new TextOf(
82 new ResourceOf(
83 new FormattedText("com/qulice/checkstyle/%s", file)
84 )
85 )
86 ).asString()
87 );
88 final Collection<Violation> results =
89 new CheckstyleValidator(env).validate(env.files(file));
90 MatcherAssert.assertThat(
91 "validation result should match expected state",
92 results.isEmpty(),
93 Matchers.is(passes)
94 );
95 return results;
96 }
97 }