/*
 * SonarQube
 * Copyright (C) 2009-2017 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.api.ce.posttask;

import java.util.Date;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

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

public class PostProjectAnalysisTaskTesterTest {
  @Rule
  public ExpectedException expectedException = ExpectedException.none();

  private CeTask ceTask = mock(CeTask.class);
  private Project project = mock(Project.class);
  private long someDateAsLong = 846351351684351L;
  private Date someDate = new Date(someDateAsLong);
  private QualityGate qualityGate = mock(QualityGate.class);
  private CaptorPostProjectAnalysisTask captorPostProjectAnalysisTask = new CaptorPostProjectAnalysisTask();
  private PostProjectAnalysisTaskTester underTest = PostProjectAnalysisTaskTester.of(captorPostProjectAnalysisTask);

  @Test
  public void of_throws_NPE_if_PostProjectAnalysisTask_is_null() {
    expectedException.expect(NullPointerException.class);
    expectedException.expectMessage("PostProjectAnalysisTask instance cannot be null");

    PostProjectAnalysisTaskTester.of(null);
  }

  @Test
  public void withCeTask_throws_NPE_if_ceTask_is_null() {
    expectedException.expect(NullPointerException.class);
    expectedException.expectMessage("ceTask cannot be null");

    underTest.withCeTask(null);
  }

  @Test
  public void withProject_throws_NPE_if_project_is_null() {
    expectedException.expect(NullPointerException.class);
    expectedException.expectMessage("project cannot be null");

    underTest.withProject(null);
  }

  @Test
  public void at_throws_NPE_if_date_is_null() {
    expectedException.expect(NullPointerException.class);
    expectedException.expectMessage("date cannot be null");

    underTest.at(null);
  }

  @Test
  public void withQualityGate_does_not_throw_NPE_if_project_is_null() {
    underTest.withQualityGate(null);
  }

  @Test
  public void execute_throws_NPE_if_ceTask_is_null() {
    underTest.withProject(project).at(someDate);

    expectedException.expect(NullPointerException.class);
    expectedException.expectMessage("ceTask cannot be null");

    underTest.execute();
  }

  @Test
  public void execute_throws_NPE_if_project_is_null() {
    underTest.withCeTask(ceTask).at(someDate);

    expectedException.expect(NullPointerException.class);
    expectedException.expectMessage("project cannot be null");

    underTest.execute();
  }

  @Test
  public void verify_getters_of_ProjectAnalysis_object_passed_to_PostProjectAnalysisTask() {
    underTest.withCeTask(ceTask).withProject(project).withQualityGate(qualityGate).at(someDate);

    underTest.execute();

    PostProjectAnalysisTask.ProjectAnalysis projectAnalysis = captorPostProjectAnalysisTask.projectAnalysis;
    assertThat(projectAnalysis).isNotNull();
    assertThat(projectAnalysis.getCeTask()).isSameAs(ceTask);
    assertThat(projectAnalysis.getProject()).isSameAs(project);
    assertThat(projectAnalysis.getDate()).isSameAs(someDate);
    assertThat(projectAnalysis.getQualityGate()).isSameAs(qualityGate);
  }

  @Test
  public void verify_toString_of_ProjectAnalysis_object_passed_to_PostProjectAnalysisTask() {
    when(ceTask.toString()).thenReturn("CeTask");
    when(project.toString()).thenReturn("Project");
    when(qualityGate.toString()).thenReturn("QualityGate");
    underTest.withCeTask(ceTask).withProject(project).withQualityGate(qualityGate).at(someDate);

    underTest.execute();

    assertThat(captorPostProjectAnalysisTask.projectAnalysis.toString())
      .isEqualTo("ProjectAnalysis{ceTask=CeTask, project=Project, date=846351351684351, analysisDate=846351351684351, qualityGate=QualityGate}");

  }

  @Test
  public void execute_throws_NPE_if_date_is_null() {
    underTest.withCeTask(ceTask).withProject(project);

    expectedException.expect(NullPointerException.class);
    expectedException.expectMessage("date cannot be null");

    underTest.execute();
  }

  private static class CaptorPostProjectAnalysisTask implements PostProjectAnalysisTask {
    private ProjectAnalysis projectAnalysis;

    @Override
    public void finished(ProjectAnalysis analysis) {
      this.projectAnalysis = analysis;
    }
  }
}