sonarqube/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/measure/MeasureComputersHolderImplTest.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.measure;

import com.google.common.collect.ImmutableList;
import java.util.Collections;
import org.junit.Test;
import org.sonar.ce.task.projectanalysis.api.measurecomputer.MeasureComputerWrapper;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.Mockito.mock;

public class MeasureComputersHolderImplTest {


  private MeasureComputersHolderImpl underTest = new MeasureComputersHolderImpl();

  @Test
  public void get_measure_computers() {
    MeasureComputerWrapper measureComputer = mock(MeasureComputerWrapper.class);
    underTest.setMeasureComputers(Collections.singletonList(measureComputer));

    assertThat(underTest.getMeasureComputers()).containsOnly(measureComputer);
  }

  @Test
  public void get_measure_computers_throws_ISE_if_not_initialized() {
    assertThatThrownBy(() -> underTest.getMeasureComputers())
      .isInstanceOf(IllegalStateException.class)
      .hasMessage("Measure computers have not been initialized yet");
  }

  @Test
  public void set_measure_computers_supports_empty_arg_is_empty() {
    underTest.setMeasureComputers(ImmutableList.of());

    assertThat(underTest.getMeasureComputers()).isEmpty();
  }

  @Test
  public void set_measure_computers_throws_ISE_if_already_initialized() {
    assertThatThrownBy(() -> {
      MeasureComputerWrapper measureComputer = mock(MeasureComputerWrapper.class);
      underTest.setMeasureComputers(Collections.singletonList(measureComputer));
      underTest.setMeasureComputers(Collections.singletonList(measureComputer));
    })
      .isInstanceOf(IllegalStateException.class)
      .hasMessage("Measure computers have already been initialized");
  }

}