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1   /*
2    * SPDX-FileCopyrightText: Copyright (c) 2011-2026 Yegor Bugayenko
3    * SPDX-License-Identifier: MIT
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   * Test case for {@link CheckstyleValidator}'s enforcement that
23   * Javadoc {@code @param} type descriptions start with a capital
24   * letter, see https://github.com/yegor256/qulice/issues/705.
25   *
26   * @since 0.25.1
27   */
28  final class CheckstyleTypeParamDescriptionTest {
29  
30      @Test
31      @SuppressWarnings("unchecked")
32      void rejectsLowercaseTypeParamDescription() throws Exception {
33          final String file = "InvalidTypeParamDescription.java";
34          final String message =
35              "@param tag description should start with capital letter";
36          final String name = "RegexpSinglelineCheck";
37          MatcherAssert.assertThat(
38              "Both class and method type parameter descriptions must be reported",
39              this.runValidation(file, false),
40              Matchers.hasItems(
41                  new ViolationMatcher(message, file, "9", name),
42                  new ViolationMatcher(message, file, "17", name)
43              )
44          );
45      }
46  
47      @Test
48      void allowsUppercaseTypeParamDescription() throws Exception {
49          Assertions.assertDoesNotThrow(
50              () -> this.runValidation("ValidTypeParamDescription.java", true)
51          );
52      }
53  
54      private Collection<Violation> runValidation(final String file,
55          final boolean passes) throws IOException {
56          final Environment.Mock mock = new Environment.Mock();
57          final Environment env = mock.withParam(
58              "license",
59              String.format(
60                  "file:%s",
61                  new License().savePackageInfo(
62                      new File(mock.basedir(), "src/main/java/foo")
63                  ).withLines("Hello.")
64                      .withEol(String.valueOf('\n')).file()
65              )
66          ).withFile(
67              String.format("src/main/java/foo/%s", file),
68              new IoCheckedText(
69                  new TextOf(
70                      new ResourceOf(
71                          new FormattedText("com/qulice/checkstyle/%s", file)
72                      )
73                  )
74              ).asString()
75          );
76          final Collection<Violation> results =
77              new CheckstyleValidator(env).validate(env.files(file));
78          MatcherAssert.assertThat(
79              "validation result should match expected state",
80              results.isEmpty(),
81              Matchers.is(passes)
82          );
83          return results;
84      }
85  }