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1   /**
2    * Copyright (c) 2013-2022, 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 java.io.IOException;
33  import javax.json.Json;
34  import org.hamcrest.MatcherAssert;
35  import org.hamcrest.Matchers;
36  import org.junit.Test;
37  import org.mockito.Mockito;
38  
39  /**
40   * Unit tests for {@link Existence}.
41   *
42   * @author Mihai Andronache (amihaiemil@gmail.com)
43   * @version $Id: 41d2c8058905a0b3a270fe9bf9756568a8880008 $
44   * @since 0.38
45   */
46  public final class ExistenceTest {
47  
48      /**
49       * Existence can tell when the given JsonReadable exists.
50       * @throws Exception If something goes wrong.
51       */
52      @Test
53      public void jsonExists() throws Exception {
54          final JsonReadable object = Mockito.mock(JsonReadable.class);
55          Mockito.when(object.json()).thenReturn(
56              Json.createObjectBuilder().build()
57          );
58          MatcherAssert.assertThat(
59              new Existence(object).check(), Matchers.is(Boolean.TRUE)
60          );
61      }
62  
63      /**
64       * Existence can tell when the given JsonReadable does not exist.
65       * @throws Exception If something goes wrong.
66       */
67      @Test
68      public void jsonDoesNotExist() throws Exception {
69          final JsonReadable object = Mockito.mock(JsonReadable.class);
70          Mockito.doThrow(new AssertionError()).when(object).json();
71          MatcherAssert.assertThat(
72              new Existence(object).check(), Matchers.is(Boolean.FALSE)
73          );
74      }
75  
76      /**
77       * Existends throws the possible IOException resulted from the server call.
78       * @throws Exception If something goes wrong.
79       */
80      @Test(expected = IOException.class)
81      public void rethrowsIOException() throws Exception {
82          final JsonReadable object = Mockito.mock(JsonReadable.class);
83          Mockito.doThrow(new IOException()).when(object).json();
84          new Existence(object).check();
85      }
86  
87  }