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1   /**
2    * Copyright (c) 2013-2023, jcabi.com
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met: 1) Redistributions of source code must retain the above
8    * copyright notice, this list of conditions and the following
9    * disclaimer. 2) Redistributions in binary form must reproduce the above
10   * copyright notice, this list of conditions and the following
11   * disclaimer in the documentation and/or other materials provided
12   * with the distribution. 3) Neither the name of the jcabi.com nor
13   * the names of its contributors may be used to endorse or promote
14   * products derived from this software without specific prior written
15   * permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28   * OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package com.jcabi.github;
31  
32  import com.google.common.collect.ImmutableSet;
33  import com.google.common.collect.Iterables;
34  import com.jcabi.aspects.Immutable;
35  import java.util.Set;
36  import org.hamcrest.CustomTypeSafeMatcher;
37  import org.hamcrest.MatcherAssert;
38  import org.hamcrest.Matchers;
39  import org.junit.Rule;
40  import org.junit.Test;
41  
42  /**
43   * Test for immutability.
44   * Checks that all classes in package {@code com.jcabi.github }
45   * have {@code @Immutable} annotation.
46   *
47   * @author Paul Polishchuk (ppol@ua.fm)
48   * @version $Id: 4249ab11b100a8ca452aa5b4084f94dcdba1b2ef $
49   */
50  public final class ImmutabilityTest {
51  
52      /**
53       * ClasspathRule.
54       * @checkstyle VisibilityModifierCheck (3 lines)
55       */
56      @Rule
57      public final transient ClasspathRule classpath = new ClasspathRule();
58  
59      /**
60       * Test for immutability.
61       * Checks that all classes in package {@code com.jcabi.github }
62       * have {@code @Immutable} annotation.
63       *
64       */
65      @Test
66      public void checkImmutability() {
67          MatcherAssert.assertThat(
68              Iterables.filter(
69                  this.classpath.allTypes(),
70                  input -> !ImmutabilityTest.skip().contains(
71                      input.getName()
72                  )
73              ),
74              Matchers.everyItem(
75                  new CustomTypeSafeMatcher<Class<?>>("annotated type") {
76                      @Override
77                      protected boolean matchesSafely(final Class<?> item) {
78                          return item.isAnnotationPresent(Immutable.class);
79                      }
80                  }
81              )
82          );
83      }
84  
85      /**
86       * Get set of class names to be skipped.
87       * @return Set
88       */
89      private static Set<String> skip() {
90          return ImmutableSet.<String>builder()
91              .add("com.jcabi.github.mock.JsonNode")
92              .add("com.jcabi.github.Bulk")
93              .add("com.jcabi.github.Smarts")
94              .build();
95      }
96  }