sonarqube/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/duplication/CrossProjectDuplicateTest.java

/*
 * SonarQube
 * Copyright (C) 2009-2021 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.ce.task.projectanalysis.duplication;

import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

public class CrossProjectDuplicateTest {
  private static final String FILE_KEY_1 = "file key 1";
  private static final String FILE_KEY_2 = "file key 2";

  @Test
  public void constructors_throws_NPE_if_fileKey_is_null() {
    assertThatThrownBy(() -> new CrossProjectDuplicate(null, new TextBlock(1, 1)))
      .isInstanceOf(NullPointerException.class)
      .hasMessage("fileKey can not be null");
  }

  @Test
  public void constructors_throws_NPE_if_textBlock_is_null() {
    assertThatThrownBy(() -> new CrossProjectDuplicate(FILE_KEY_1, null))
      .isInstanceOf(NullPointerException.class)
      .hasMessage("textBlock of duplicate can not be null");
  }

  @Test
  public void getTextBlock_returns_TextBlock_constructor_argument() {
    TextBlock textBlock = new TextBlock(2, 3);

    assertThat(new CrossProjectDuplicate(FILE_KEY_1, textBlock).getTextBlock()).isSameAs(textBlock);
  }

  @Test
  public void getFileKey_returns_constructor_argument() {
    assertThat(new CrossProjectDuplicate(FILE_KEY_1, new TextBlock(2, 3)).getFileKey()).isEqualTo(FILE_KEY_1);
  }

  @Test
  public void equals_compares_on_file_and_TextBlock() {
    TextBlock textBlock1 = new TextBlock(1, 2);

    assertThat(new CrossProjectDuplicate(FILE_KEY_1, textBlock1)).isEqualTo(new CrossProjectDuplicate(FILE_KEY_1, new TextBlock(1, 2)));

    assertThat(new CrossProjectDuplicate(FILE_KEY_1, textBlock1)).isNotEqualTo(new CrossProjectDuplicate(FILE_KEY_1, new TextBlock(1, 1)));
    assertThat(new CrossProjectDuplicate(FILE_KEY_1, textBlock1)).isNotEqualTo(new CrossProjectDuplicate(FILE_KEY_2, textBlock1));
  }

  @Test
  public void hashcode_depends_on_file_and_TextBlock() {
    TextBlock textBlock = new TextBlock(1, 2);
    assertThat(new CrossProjectDuplicate(FILE_KEY_1, textBlock).hashCode()).isEqualTo(new CrossProjectDuplicate(FILE_KEY_1, textBlock).hashCode());

    assertThat(new CrossProjectDuplicate(FILE_KEY_1, textBlock).hashCode()).isNotEqualTo(new CrossProjectDuplicate(FILE_KEY_2, textBlock).hashCode());
    assertThat(new CrossProjectDuplicate(FILE_KEY_1, textBlock).hashCode()).isNotEqualTo(new CrossProjectDuplicate(FILE_KEY_2, new TextBlock(1, 1)).hashCode());
  }

  @Test
  public void verify_toString() {
    assertThat(new CrossProjectDuplicate(FILE_KEY_1, new TextBlock(1, 2)).toString()).isEqualTo("CrossProjectDuplicate{fileKey='file key 1', textBlock=TextBlock{start=1, end=2}}");
  }

}