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1   /*
2    * Copyright (c) 2011-2025 Yegor Bugayenko
3    *
4    * All rights reserved.
5    *
6    * Redistribution and use in source and binary forms, with or without
7    * modification, are permitted provided that the following conditions
8    * are met: 1) Redistributions of source code must retain the above
9    * copyright notice, this list of conditions and the following
10   * disclaimer. 2) Redistributions in binary form must reproduce the above
11   * copyright notice, this list of conditions and the following
12   * disclaimer in the documentation and/or other materials provided
13   * with the distribution. 3) Neither the name of the Qulice.com nor
14   * the names of its contributors may be used to endorse or promote
15   * products derived from this software without specific prior written
16   * permission.
17   *
18   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
20   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
22   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
23   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
29   * OF THE POSSIBILITY OF SUCH DAMAGE.
30   */
31  package com.qulice.pmd;
32  
33  import com.qulice.spi.Environment;
34  import com.qulice.spi.Violation;
35  import java.io.File;
36  import java.util.Collection;
37  import java.util.Collections;
38  import org.cactoos.text.TextOf;
39  import org.hamcrest.Matcher;
40  import org.hamcrest.MatcherAssert;
41  
42  /**
43   * PMD Validator assertions.
44   * @since 0.16
45   */
46  final class PmdAssert {
47      /**
48       * File to validate.
49       */
50      private final String file;
51  
52      /**
53       * Expected build status, true means success.
54       */
55      private final Matcher<Boolean> result;
56  
57      /**
58       * Matcher that needs to match.
59       */
60      private final Matcher<String> matcher;
61  
62      /**
63       * Constructor.
64       * @param file File to validate.
65       * @param result Expected build status.
66       * @param matcher Matcher that needs to match.
67       */
68      PmdAssert(final String file, final Matcher<Boolean> result,
69          final Matcher<String> matcher) {
70          this.file = file;
71          this.result = result;
72          this.matcher = matcher;
73      }
74  
75      /**
76       * Validates given file against PMD.
77       * @throws Exception In case of error.
78       */
79      public void validate() throws Exception {
80          final Environment.Mock mock = new Environment.Mock();
81          final String name = String.format("src/main/java/foo/%s", this.file);
82          final Environment env = mock.withFile(
83              name,
84              new TextOf(
85                  this.getClass().getResourceAsStream(this.file)
86              ).asString()
87          );
88          final Collection<Violation> violations = new PmdValidator(env).validate(
89              Collections.singletonList(new File(env.basedir(), name))
90          );
91          MatcherAssert.assertThat(violations.isEmpty(), this.result);
92          final StringBuilder builder = new StringBuilder();
93          for (final Violation violation : violations) {
94              builder.append(
95                  String.format(
96                      "PMD: %s[%s]: %s (%s)\n",
97                      this.file,
98                      violation.lines(),
99                      violation.message(),
100                     violation.name()
101                 )
102             );
103         }
104         MatcherAssert.assertThat(builder.toString(), this.matcher);
105     }
106 }