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1   /*
2    * Copyright (c) 2012-2023, 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.jdbc;
31  
32  import java.util.Collection;
33  import javax.sql.DataSource;
34  import org.hamcrest.MatcherAssert;
35  import org.hamcrest.Matchers;
36  import org.junit.jupiter.api.Test;
37  
38  /**
39   * Test case for {@link ColumnOutcome}.
40   *
41   * @since 0.13
42   */
43  final class ColumnOutcomeTest {
44  
45      /**
46       * ColumnOutcome can return the first column.
47       * @throws Exception If there is some problem inside
48       */
49      @Test
50      void retrievesFirstColumn() throws Exception {
51          final DataSource source = new H2Source("i8o98");
52          new JdbcSession(source)
53              .autocommit(false)
54              .sql("CREATE TABLE foo (name VARCHAR(50))")
55              .execute()
56              .sql("INSERT INTO foo (name) VALUES (?)")
57              .set("Jeff Lebowski")
58              .execute()
59              .set("Walter Sobchak")
60              .execute()
61              .commit();
62          final Collection<String> names = new JdbcSession(source)
63              .sql("SELECT name FROM foo")
64              .select(new ColumnOutcome<>(String.class));
65          MatcherAssert.assertThat(
66              names, Matchers.hasSize(2)
67          );
68      }
69  
70  }